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-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/2d-getcontext-options.html47
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-001.html39
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-002.html39
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-003.tentative.html48
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-004.tentative.html47
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-005.html61
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.arguments.missing.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.casesensitive.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.emptystring.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.badname.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.badsuffix.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.nullsuffix.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.unicode.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.basic.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.multiple.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.nested.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/historical.html77
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/imagedata.html58
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.colour.html29
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.colour.pngbin0 -> 117 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.clip.html32
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.different.html30
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.different.pngbin0 -> 107 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.gradient.html35
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.path.html31
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.path.pngbin0 -> 117 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.pattern.html35
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.same.html31
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.same.pngbin0 -> 117 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.transform.html31
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.dataURI.html39
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.canvas.cross.html36
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.canvas.redirect.html36
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.image.cross.html31
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.image.redirect.html31
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.fillStyle.cross.html38
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.fillStyle.redirect.html38
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.strokeStyle.cross.html38
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.strokeStyle.redirect.html38
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.cross.html41
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.redirect.html41
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.create.cross.html32
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.create.redirect.html32
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.cross.cross.html39
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.cross.redirect.html39
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.fillStyle.sub.html50
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.fillStyle.cross.html33
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.fillStyle.redirect.html33
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.strokeStyle.cross.html33
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.strokeStyle.redirect.html33
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.reset.cross.html35
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.reset.redirect.html35
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.default.html30
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.default.pngbin0 -> 272 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.get.pngbin0 -> 125 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.idl.html50
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.idl.set.zero.html30
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setcontent.html32
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setcontent.pngbin0 -> 125 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidl.html32
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidl.pngbin0 -> 125 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidlzero.html32
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.removed.html29
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.removed.pngbin0 -> 168 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.set.pngbin0 -> 125 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.style.html29
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.style.pngbin0 -> 117 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html29
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.jpeg.html17
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.null.html33
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.png.html17
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.1.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.2.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.3.html29
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.bogustype.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.default.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.alpha.html44
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.alpha.pngbin0 -> 208 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.html47
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.pngbin0 -> 220 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.basic.html56
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.basic.pngbin0 -> 213 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.notnumber.html42
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.outsiderange.html43
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpg.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.lowercase.ascii.html35
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.lowercase.unicode.html32
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.nocontext.html33
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.complexcolours.html47
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.complexcolours.pngbin0 -> 242 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.primarycolours.html47
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.primarycolours.pngbin0 -> 220 bytes
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.unrecognised.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zeroheight.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zerosize.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zerowidth.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.delete.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.exists.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.extend.html28
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.name.html27
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.prototype.html36
-rw-r--r--testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.replace.html28
103 files changed, 3010 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/2d-getcontext-options.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/2d-getcontext-options.html
new file mode 100644
index 0000000000..5d35d4108c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/2d-getcontext-options.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<title>Options conversion for getContext("2d")</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+test(() => {
+ const expected = [
+ "alpha",
+ "colorSpace",
+ "colorSpace toString",
+ "desynchronized",
+ "willReadFrequently",
+ ];
+ var actual = [];
+ const options = {
+ get alpha() {
+ actual.push("alpha");
+ return true;
+ },
+ get willReadFrequently() {
+ actual.push("willReadFrequently");
+ return false;
+ },
+ get desynchronized() {
+ actual.push("desynchronized");
+ return false;
+ },
+ get colorSpace() {
+ actual.push("colorSpace");
+ return {
+ toString() {
+ actual.push("colorSpace toString");
+ return "srgb";
+ }
+ };
+ },
+ };
+
+ const canvas = document.createElement("canvas");
+ const context = canvas.getContext('2d', options);
+ assert_not_equals(context, null, "context");
+ assert_array_equals(actual, expected, "order of operations (creation)");
+ actual = [];
+ assert_equals(canvas.getContext('2d', options), context, "cached context");
+ assert_array_equals(actual, expected, "order of operations (caching)");
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-001.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-001.html
new file mode 100644
index 0000000000..327c9f49d6
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-001.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<meta charset="utf-8" />
+<title>Canvas descendants focusability</title>
+<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/canvas.html#being-used-as-relevant-canvas-fallback-content">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#focusable-area">
+<meta name="assert" content="Checks that elements being used as relevant canvas
+ fallback content can be focusable even if not rendered.">
+<div id="log"></div>
+<canvas>
+ <button data-focusable="true"></button>
+ <section data-focusable="false">
+ <div data-focusable="false"></div>
+ <span data-focusable="false"></span>
+ <a data-focusable="false"></a>
+ </section>
+ <section tabindex="-1" data-focusable="true">
+ <div tabindex="-1" data-focusable="true"></div>
+ <span tabindex="-1" data-focusable="true"></span>
+ <a href="#" data-focusable="true"></a>
+ </section>
+</canvas>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+for (let element of document.querySelectorAll("[data-focusable]")) {
+ let title = element.cloneNode(false).outerHTML.toLowerCase();
+ title = title.slice(0, title.lastIndexOf("<"));
+ test(function() {
+ assert_true(document.activeElement !== element, "Not initially focused");
+ element.focus();
+ if (JSON.parse(element.dataset.focusable)) {
+ assert_true(document.activeElement === element, "Should be focused");
+ } else {
+ assert_true(document.activeElement !== element, "Shouldn't be focused");
+ }
+ }, title);
+}
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-002.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-002.html
new file mode 100644
index 0000000000..aa607365d5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-002.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<meta charset="utf-8" />
+<title>Canvas descendants focusability</title>
+<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/canvas.html#being-used-as-relevant-canvas-fallback-content">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#focusable-area">
+<meta name="assert" content="Checks that descendants of a non-rendered canvas
+ aren't relevant canvas fallback content, so they aren't focusable.">
+<div id="log"></div>
+<canvas hidden>
+ <button data-focusable="false"></button>
+ <section tabindex="-1" data-focusable="false">
+ <div tabindex="-1" data-focusable="false"></div>
+ <span tabindex="-1" data-focusable="false"></span>
+ <a href="#" data-focusable="false"></a>
+ </section>
+</canvas>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+setup(() => {
+ const canvas = document.querySelector("canvas");
+ assert_equals(canvas.getClientRects().length, 0, "Canvas not rendered");
+});
+for (let element of document.querySelectorAll("[data-focusable]")) {
+ let title = element.cloneNode(false).outerHTML.toLowerCase();
+ title = title.slice(0, title.lastIndexOf("<"));
+ test(function() {
+ assert_equals(element.getClientRects().length, 0, "Not rendered");
+ assert_true(document.activeElement !== element, "Not initially focused");
+ element.focus();
+ if (JSON.parse(element.dataset.focusable)) {
+ assert_true(document.activeElement === element, "Should be focused");
+ } else {
+ assert_true(document.activeElement !== element, "Shouldn't be focused");
+ }
+ }, title);
+}
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-003.tentative.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-003.tentative.html
new file mode 100644
index 0000000000..cd42d1e6b7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-003.tentative.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<meta charset="utf-8" />
+<title>Canvas descendants focusability</title>
+<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/canvas.html#being-used-as-relevant-canvas-fallback-content">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#focusable-area">
+<link rel="help" href="https://github.com/whatwg/html/issues/7534">
+<meta name="assert" content="Checks that elements being used as relevant canvas
+ fallback content can't be focusable if they are not rendered because of an
+ explicit 'display: none' style, but can if they are not rendered because of
+ a 'display: contents' style.">
+<div id="log"></div>
+<canvas>
+ <button hidden data-focusable="false"></button>
+ <section hidden tabindex="-1" data-focusable="false">
+ <div tabindex="-1" data-focusable="false"></div>
+ <span tabindex="-1" data-focusable="false"></span>
+ <a href="#" data-focusable="false"></a>
+ </section>
+ <button style="display: contents" data-focusable="true"></button>
+ <section style="display: contents" tabindex="-1" data-focusable="true">
+ <div style="display: contents" tabindex="-1" data-focusable="true"></div>
+ <span style="display: contents" tabindex="-1" data-focusable="true"></span>
+ <a style="display: contents" href="#" data-focusable="true"></a>
+ </section>
+</canvas>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+setup(() => {
+ const canvas = document.querySelector("canvas");
+ assert_greater_than(canvas.getClientRects().length, 0, "Canvas is rendered");
+});
+for (let element of document.querySelectorAll("[data-focusable]")) {
+ let title = element.cloneNode(false).outerHTML.toLowerCase();
+ title = title.slice(0, title.lastIndexOf("<"));
+ test(function() {
+ assert_equals(element.getClientRects().length, 0, "Not rendered");
+ assert_true(document.activeElement !== element, "Not initially focused");
+ element.focus();
+ if (JSON.parse(element.dataset.focusable)) {
+ assert_true(document.activeElement === element, "Should be focused");
+ } else {
+ assert_true(document.activeElement !== element, "Shouldn't be focused");
+ }
+ }, title);
+}
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-004.tentative.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-004.tentative.html
new file mode 100644
index 0000000000..5d8dfcd2f4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-004.tentative.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<meta charset="utf-8" />
+<title>Canvas descendants focusability</title>
+<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/canvas.html#being-used-as-relevant-canvas-fallback-content">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#focusable-area">
+<link rel="help" href="https://github.com/whatwg/html/issues/7534">
+<meta name="assert" content="Checks that elements being used as relevant canvas
+ fallback content can't be focusable if they are not in the flat tree.">
+<div id="log"></div>
+<canvas>
+ <section id="shadow-host">
+ <button data-focusable="false"></button>
+ <section tabindex="-1" data-focusable="false">
+ <div tabindex="-1" data-focusable="false"></div>
+ <span tabindex="-1" data-focusable="false"></span>
+ <a href="#" data-focusable="false"></a>
+ </section>
+ </section>
+</canvas>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+setup(() => {
+ const canvas = document.querySelector("canvas");
+ assert_greater_than(canvas.getClientRects().length, 0, "Canvas is rendered");
+ const shadowHost = document.getElementById("shadow-host");
+ const shadowRoot = shadowHost.attachShadow({ mode: "open" });
+ const slot = document.createElement("slot");
+ slot.name = "slot";
+ shadowRoot.appendChild(slot);
+});
+for (let element of document.querySelectorAll("[data-focusable]")) {
+ let title = element.cloneNode(false).outerHTML.toLowerCase();
+ title = title.slice(0, title.lastIndexOf("<"));
+ test(function() {
+ assert_equals(element.getClientRects().length, 0, "Not rendered");
+ assert_true(document.activeElement !== element, "Not initially focused");
+ element.focus();
+ if (JSON.parse(element.dataset.focusable)) {
+ assert_true(document.activeElement === element, "Should be focused");
+ } else {
+ assert_true(document.activeElement !== element, "Shouldn't be focused");
+ }
+ }, title);
+}
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-005.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-005.html
new file mode 100644
index 0000000000..f3bee6b06b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-005.html
@@ -0,0 +1,61 @@
+<!DOCTYPE html>
+<meta charset="utf-8" />
+<title>Canvas descendants focusability</title>
+<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/canvas.html#being-used-as-relevant-canvas-fallback-content">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#focusable-area">
+<meta name="assert" content="Checks that descendants of a canvas that represents
+ fallback content are not focusable if not rendered, as usual.">
+<div id="log"></div>
+<!-- Use a sandboxed iframe to disable scripting and make the canvas
+ represent its fallback content instead of embedded content. -->
+<iframe sandbox="allow-same-origin" allow="focus-without-user-activation *"
+ srcdoc='
+ <button data-focusable="true" a></button>
+ <canvas>
+ <button data-focusable="true"></button>
+ <section tabindex="-1" data-focusable="true">
+ <div tabindex="-1" data-focusable="true"></div>
+ <span tabindex="-1" data-focusable="true"></span>
+ <a href="#" data-focusable="true"></a>
+ </section>
+ <button hidden data-focusable="false"></button>
+ <section tabindex="-1" hidden data-focusable="false">
+ <div tabindex="-1" data-focusable="false"></div>
+ <span tabindex="-1" data-focusable="false"></span>
+ <a href="#" data-focusable="false"></a>
+ </section>
+ </canvas>
+ '></iframe>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+setup({ explicit_done: true });
+setup(async () => {
+ const iframe = document.querySelector("iframe");
+ await new Promise(resolve => {
+ const win = iframe.contentWindow;
+ if (win.location.href === "about:blank" ||
+ win.document.readyState !== "complete") {
+ iframe.addEventListener("load", resolve, {once: true});
+ } else {
+ resolve();
+ }
+ });
+ const doc = iframe.contentDocument;
+ for (let element of doc.querySelectorAll("[data-focusable]")) {
+ let title = element.cloneNode(false).outerHTML.toLowerCase();
+ title = title.slice(0, title.lastIndexOf("<"));
+ test(function() {
+ assert_true(doc.activeElement !== element, "Not initially focused");
+ element.focus();
+ if (JSON.parse(element.dataset.focusable)) {
+ assert_true(doc.activeElement === element, "Should be focused");
+ } else {
+ assert_true(doc.activeElement !== element, "Shouldn't be focused");
+ }
+ }, title);
+ }
+ done();
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.arguments.missing.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.arguments.missing.html
new file mode 100644
index 0000000000..eb4d69aed0
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.arguments.missing.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: context.arguments.missing</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>context.arguments.missing</h1>
+<p class="desc"></p>
+
+<p class="notes">Defined in "Web IDL" (draft)
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("");
+_addTest(function(canvas, ctx) {
+
+assert_throws_js(TypeError, function() { canvas.getContext(); });
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.casesensitive.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.casesensitive.html
new file mode 100644
index 0000000000..8753185449
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.casesensitive.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: context.casesensitive</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>context.casesensitive</h1>
+<p class="desc">Context name "2D" is unrecognised; matching is case sensitive</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Context name \"2D\" is unrecognised; matching is case sensitive");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.getContext('2D'), null, "canvas.getContext('2D')", "null");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.emptystring.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.emptystring.html
new file mode 100644
index 0000000000..1f27225882
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.emptystring.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: context.emptystring</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>context.emptystring</h1>
+<p class="desc">getContext with empty string returns null</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("getContext with empty string returns null");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.getContext(""), null, "canvas.getContext(\"\")", "null");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.badname.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.badname.html
new file mode 100644
index 0000000000..55d503036b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.badname.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: context.unrecognised.badname</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>context.unrecognised.badname</h1>
+<p class="desc">getContext with unrecognised context name returns null</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("getContext with unrecognised context name returns null");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.getContext('This is not an implemented context in any real browser'), null, "canvas.getContext('This is not an implemented context in any real browser')", "null");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.badsuffix.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.badsuffix.html
new file mode 100644
index 0000000000..ea0a14aaed
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.badsuffix.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: context.unrecognised.badsuffix</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>context.unrecognised.badsuffix</h1>
+<p class="desc">Context name "2d" plus a suffix is unrecognised</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Context name \"2d\" plus a suffix is unrecognised");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.getContext("2d#"), null, "canvas.getContext(\"2d#\")", "null");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.nullsuffix.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.nullsuffix.html
new file mode 100644
index 0000000000..ea8db36a89
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.nullsuffix.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: context.unrecognised.nullsuffix</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>context.unrecognised.nullsuffix</h1>
+<p class="desc">Context name "2d" plus a "\0" suffix is unrecognised</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Context name \"2d\" plus a \"\\0\" suffix is unrecognised");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.getContext("2d\0"), null, "canvas.getContext(\"2d\\0\")", "null");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.unicode.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.unicode.html
new file mode 100644
index 0000000000..727ea3584f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/context.unrecognised.unicode.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: context.unrecognised.unicode</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>context.unrecognised.unicode</h1>
+<p class="desc">Context name which kind of looks like "2d" is unrecognised</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Context name which kind of looks like \"2d\" is unrecognised");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.getContext("2\uFF44"), null, "canvas.getContext(\"2\\uFF44\")", "null"); // Fullwidth Latin Small Letter D
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.basic.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.basic.html
new file mode 100644
index 0000000000..5aaf49adf7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.basic.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: fallback.basic</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>fallback.basic</h1>
+<p class="desc">Fallback content is inserted into the DOM</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Fallback content is inserted into the DOM");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.childNodes.length, 1, "canvas.childNodes.length", "1");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.multiple.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.multiple.html
new file mode 100644
index 0000000000..9585b06a4a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.multiple.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: fallback.multiple</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>fallback.multiple</h1>
+<p class="desc">Fallback content with multiple elements</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL</p><p class="fallback">FAIL</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Fallback content with multiple elements");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.childNodes.length, 2, "canvas.childNodes.length", "2");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.nested.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.nested.html
new file mode 100644
index 0000000000..14b19cd104
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/fallback.nested.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: fallback.nested</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>fallback.nested</h1>
+<p class="desc">Fallback content containing another canvas (mostly testing parsers)</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><canvas><p class="fallback">FAIL (fallback content)</p></canvas><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Fallback content containing another canvas (mostly testing parsers)");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.childNodes.length, 2, "canvas.childNodes.length", "2");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/historical.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/historical.html
new file mode 100644
index 0000000000..33044ffb1b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/historical.html
@@ -0,0 +1,77 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>Historical canvas features</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<div id=log></div>
+<script>
+var canvas, context, path2d;
+setup(function() {
+ canvas = document.createElement("canvas");
+ context = canvas.getContext('2d');
+ path2d = new Path2D();
+});
+function t(member, obj) {
+ var name = obj === canvas ? "Canvas" : String(obj).match(/\[object (\S+)\]/)[1];
+ test(function() {
+ assert_false(member in obj);
+ }, name + " support for " + member);
+}
+// added in https://github.com/whatwg/html/commit/0ecbf0e010df16d9c6d11eef6b2c58419158c4da
+// renamed in https://github.com/whatwg/html/commit/2542a12cb25ee93534cbed1f31b5e1bc05fcdd0e
+t("supportsContext", canvas);
+
+// removed in https://github.com/whatwg/html/commit/2cfb8e3f03d3166842d2ad0f661459d26e2a40eb
+t("probablySupportsContext", canvas);
+
+// removed in https://github.com/whatwg/html/commit/ef72f55da4acdf266174225c6ca8bf2a650d0219
+t("width", context);
+t("height", context);
+
+// removed in https://github.com/whatwg/html/commit/740634d0f30a3b76e9da166ac2fa8835fcc073ab
+t("setContext", canvas);
+t("transferControlToProxy", canvas);
+t("CanvasProxy", window);
+t("commit", canvas);
+test(function() {
+ assert_throws_js(TypeError, function() {
+ new CanvasRenderingContext2D();
+ }, 'no arguments');
+ assert_throws_js(TypeError, function() {
+ new CanvasRenderingContext2D(1, 1);
+ }, 'with arguments');
+}, "CanvasRenderingContext2D constructors");
+
+// removed in https://github.com/whatwg/html/commit/e1d04f49a38e2254a783c28987457a95a47d9511
+t("addPathByStrokingPath", path2d);
+t("addText", path2d);
+t("addPathByStrokingText", path2d);
+
+// renamed in https://github.com/whatwg/html/commit/fcb0756dd94d96df9b8355741d82fcd5ca0a6154
+test(function() {
+ var canvas = document.createElement('canvas');
+ var context = canvas.getContext('bitmaprenderer');
+ if (context) {
+ assert_false('transferImageBitmap' in context);
+ }
+}, 'ImageBitmapRenderingContext support for transferImageBitmap');
+
+// renamed in https://github.com/whatwg/html/commit/3aec2a7e04a3402201afd29c224b57fa54497517
+t('Path', window);
+
+// removed in https://github.com/whatwg/html/commit/d5759b0435091e4858c9bff90319cbe5b040eda2
+t('toDataURLHD', canvas);
+t('toBlobHD', canvas);
+t('createImageDataHD', context);
+t('getImageDataHD', context);
+t('putImageDataHD', context);
+test(function() {
+ if ('ImageData' in window) {
+ assert_false('resolution' in new ImageData(1, 1));
+ }
+}, 'ImageData support for resolution');
+
+// dropped/renamed in https://github.com/whatwg/html/commit/ff07c6d630fb986f6c4f64b2fb87387b4f89647d
+t('drawSystemFocusRing', context);
+t('drawCustomFocusRing', context);
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/imagedata.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/imagedata.html
new file mode 100644
index 0000000000..e124f8ff6e
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/imagedata.html
@@ -0,0 +1,58 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>ImageData Tests</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+test(function() {
+ assert_throws_dom("IndexSizeError", function() {
+ new ImageData(0, 1);
+ });
+}, "ImageData(w, h), width cannot be 0");
+
+test(function() {
+ assert_throws_dom("IndexSizeError", function() {
+ new ImageData(1, 0);
+ });
+}, "ImageData(w, h), height cannot be 0");
+
+test(function() {
+ var imageData = new ImageData(2, 3);
+ assert_equals(imageData.width, 2);
+ assert_equals(imageData.height, 3);
+ assert_equals(imageData.data.length, 24);
+ assert_true(imageData.data instanceof Uint8ClampedArray);
+}, "ImageData(w, h), exposed attributes check");
+
+test(function() {
+ assert_throws_dom("InvalidStateError", function() {
+ new ImageData(new Uint8ClampedArray(3), 1);
+ });
+}, "ImageData(buffer, w), the buffer size must be a multiple of 4");
+
+test(function() {
+ assert_throws_dom("IndexSizeError", function() {
+ new ImageData(new Uint8ClampedArray(16), 3);
+ });
+}, "ImageData(buffer, w), buffer size must be a multiple of the image width");
+
+test(function() {
+ assert_throws_dom("IndexSizeError", function() {
+ new ImageData(new Uint8ClampedArray(16), 4, 3);
+ });
+}, "ImageData(buffer, w, h), buffer.length == 4 * w * h must be true");
+
+test(function() {
+ assert_throws_js(TypeError, function() {
+ new ImageData(new Int8Array(1), 1);
+ });
+}, "ImageData(buffer, w, opt h), Uint8ClampedArray argument type check");
+
+test(function() {
+ var imageData = new ImageData(new Uint8ClampedArray(24), 2);
+ assert_equals(imageData.width, 2);
+ assert_equals(imageData.height, 3);
+ assert_equals(imageData.data.length, 24);
+ assert_true(imageData.data instanceof Uint8ClampedArray);
+}, "ImageData(buffer, w, opt h), exposed attributes check");
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.colour.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.colour.html
new file mode 100644
index 0000000000..166732a57b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.colour.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: initial.colour</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>initial.colour</h1>
+<p class="desc">Initial state is transparent black</p>
+
+<p class="notes">Output should be transparent black (not transparent anything-else), but manual
+verification can only confirm that it's transparent - it's not possible to make
+the actual blackness visible.
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="initial.colour.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Initial state is transparent black");
+_addTest(function(canvas, ctx) {
+
+_assertPixel(canvas, 20,20, 0,0,0,0);
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.colour.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.colour.png
new file mode 100644
index 0000000000..eeedd0ff05
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.colour.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.clip.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.clip.html
new file mode 100644
index 0000000000..ebf52bfa76
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.clip.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: initial.reset.clip</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>initial.reset.clip</h1>
+<p class="desc">Resetting the canvas state resets the current clip region</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Resetting the canvas state resets the current clip region");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 100;
+ctx.rect(0, 0, 1, 1);
+ctx.clip();
+canvas.width = 100;
+ctx.fillStyle = '#0f0';
+ctx.fillRect(0, 0, 100, 50);
+_assertPixel(canvas, 20,20, 0,255,0,255);
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.different.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.different.html
new file mode 100644
index 0000000000..d55dd250c0
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.different.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: initial.reset.different</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>initial.reset.different</h1>
+<p class="desc">Changing size resets canvas to transparent black</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="initial.reset.different.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Changing size resets canvas to transparent black");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 50, 50);
+_assertPixel(canvas, 20,20, 255,0,0,255);
+canvas.width = 50;
+_assertPixel(canvas, 20,20, 0,0,0,0);
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.different.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.different.png
new file mode 100644
index 0000000000..d83fdd55b1
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.different.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.gradient.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.gradient.html
new file mode 100644
index 0000000000..31b56ec8e9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.gradient.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: initial.reset.gradient</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>initial.reset.gradient</h1>
+<p class="desc">Resetting the canvas state does not invalidate any existing gradients</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Resetting the canvas state does not invalidate any existing gradients");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 50;
+var g = ctx.createLinearGradient(0, 0, 100, 0);
+g.addColorStop(0, '#0f0');
+g.addColorStop(1, '#0f0');
+canvas.width = 100;
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 100, 50);
+ctx.fillStyle = g;
+ctx.fillRect(0, 0, 100, 50);
+_assertPixel(canvas, 50,25, 0,255,0,255);
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.path.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.path.html
new file mode 100644
index 0000000000..3525377d2d
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.path.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: initial.reset.path</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>initial.reset.path</h1>
+<p class="desc">Resetting the canvas state resets the current path</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="initial.reset.path.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Resetting the canvas state resets the current path");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 100;
+ctx.rect(0, 0, 100, 50);
+canvas.width = 100;
+ctx.fillStyle = '#f00';
+ctx.fill();
+_assertPixel(canvas, 20,20, 0,0,0,0);
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.path.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.path.png
new file mode 100644
index 0000000000..eeedd0ff05
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.path.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.pattern.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.pattern.html
new file mode 100644
index 0000000000..28f8306d96
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.pattern.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: initial.reset.pattern</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>initial.reset.pattern</h1>
+<p class="desc">Resetting the canvas state does not invalidate any existing patterns</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Resetting the canvas state does not invalidate any existing patterns");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 30;
+ctx.fillStyle = '#0f0';
+ctx.fillRect(0, 0, 30, 50);
+var p = ctx.createPattern(canvas, 'repeat-x');
+canvas.width = 100;
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 100, 50);
+ctx.fillStyle = p;
+ctx.fillRect(0, 0, 100, 50);
+_assertPixel(canvas, 50,25, 0,255,0,255);
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.same.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.same.html
new file mode 100644
index 0000000000..1a0872ba2c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.same.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: initial.reset.same</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>initial.reset.same</h1>
+<p class="desc">Setting size (not changing the value) resets canvas to transparent black</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="initial.reset.same.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting size (not changing the value) resets canvas to transparent black");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 100;
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 50, 50);
+_assertPixel(canvas, 20,20, 255,0,0,255);
+canvas.width = 100;
+_assertPixel(canvas, 20,20, 0,0,0,0);
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.same.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.same.png
new file mode 100644
index 0000000000..eeedd0ff05
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.same.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.transform.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.transform.html
new file mode 100644
index 0000000000..36284ba498
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/initial.reset.transform.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: initial.reset.transform</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>initial.reset.transform</h1>
+<p class="desc">Resetting the canvas state resets the current transformation matrix</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Resetting the canvas state resets the current transformation matrix");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 100;
+ctx.scale(0.1, 0.1);
+canvas.width = 100;
+ctx.fillStyle = '#0f0';
+ctx.fillRect(0, 0, 100, 50);
+_assertPixel(canvas, 20,20, 0,255,0,255);
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.dataURI.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.dataURI.html
new file mode 100644
index 0000000000..93b560e82c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.dataURI.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.dataURI</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.dataURI</h1>
+<p class="desc">data: URIs do not count as different-origin, and do not taint the canvas</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("data: URIs do not count as different-origin, and do not taint the canvas");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#0f0';
+ctx.fillRect(0, 0, 100, 50);
+var data = canvas.toDataURL();
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 100, 50);
+var img = new Image();
+deferTest();
+img.onload = t.step_func_done(function ()
+{
+ ctx.drawImage(img, 0, 0);
+ canvas.toDataURL(); // should be permitted
+ _assertPixel(canvas, 50,25, 0,255,0,255);
+});
+img.src = data;
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.canvas.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.canvas.cross.html
new file mode 100644
index 0000000000..3a32cf2c16
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.canvas.cross.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.drawImage.canvas.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.drawImage.canvas.cross</h1>
+<p class="desc">drawImage of unclean canvas makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("drawImage of unclean canvas makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+ctx2.drawImage(document.getElementById('yellow.png'), 0, 0);
+ctx.drawImage(canvas2, 0, 0);
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.canvas.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.canvas.redirect.html
new file mode 100644
index 0000000000..5545205837
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.canvas.redirect.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.drawImage.canvas.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.drawImage.canvas.redirect</h1>
+<p class="desc">drawImage of unclean canvas makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("drawImage of unclean canvas makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+ctx2.drawImage(document.getElementById('yellow.png'), 0, 0);
+ctx.drawImage(canvas2, 0, 0);
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.image.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.image.cross.html
new file mode 100644
index 0000000000..b58177edc5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.image.cross.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.drawImage.image.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.drawImage.image.cross</h1>
+<p class="desc">drawImage of different-origin image makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("drawImage of different-origin image makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+ctx.drawImage(document.getElementById('yellow.png'), 0, 0);
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.image.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.image.redirect.html
new file mode 100644
index 0000000000..4661554f9b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.drawImage.image.redirect.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.drawImage.image.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.drawImage.image.redirect</h1>
+<p class="desc">drawImage of different-origin image makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("drawImage of different-origin image makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+ctx.drawImage(document.getElementById('yellow.png'), 0, 0);
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.fillStyle.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.fillStyle.cross.html
new file mode 100644
index 0000000000..35f0c70723
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.fillStyle.cross.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.canvas.fillStyle.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.canvas.fillStyle.cross</h1>
+<p class="desc">Setting fillStyle to a pattern of an unclean canvas makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting fillStyle to a pattern of an unclean canvas makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+ctx2.drawImage(document.getElementById('yellow.png'), 0, 0);
+var p = ctx.createPattern(canvas2, 'repeat');
+ctx.fillStyle = p;
+ctx.fillStyle = 'red';
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.fillStyle.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.fillStyle.redirect.html
new file mode 100644
index 0000000000..d17be93233
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.fillStyle.redirect.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.canvas.fillStyle.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.canvas.fillStyle.redirect</h1>
+<p class="desc">Setting fillStyle to a pattern of an unclean canvas makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting fillStyle to a pattern of an unclean canvas makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+ctx2.drawImage(document.getElementById('yellow.png'), 0, 0);
+var p = ctx.createPattern(canvas2, 'repeat');
+ctx.fillStyle = p;
+ctx.fillStyle = 'red';
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.strokeStyle.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.strokeStyle.cross.html
new file mode 100644
index 0000000000..828becef8c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.strokeStyle.cross.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.canvas.strokeStyle.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.canvas.strokeStyle.cross</h1>
+<p class="desc">Setting strokeStyle to a pattern of an unclean canvas makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting strokeStyle to a pattern of an unclean canvas makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+ctx2.drawImage(document.getElementById('yellow.png'), 0, 0);
+var p = ctx.createPattern(canvas2, 'repeat');
+ctx.strokeStyle = p;
+ctx.strokeStyle = 'red';
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.strokeStyle.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.strokeStyle.redirect.html
new file mode 100644
index 0000000000..c6e7a64c15
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.strokeStyle.redirect.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.canvas.strokeStyle.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.canvas.strokeStyle.redirect</h1>
+<p class="desc">Setting strokeStyle to a pattern of an unclean canvas makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting strokeStyle to a pattern of an unclean canvas makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+ctx2.drawImage(document.getElementById('yellow.png'), 0, 0);
+var p = ctx.createPattern(canvas2, 'repeat');
+ctx.strokeStyle = p;
+ctx.strokeStyle = 'red';
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.cross.html
new file mode 100644
index 0000000000..1ae1c4928b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.cross.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.canvas.timing.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.canvas.timing.cross</h1>
+<p class="desc">Pattern safety depends on whether the source was origin-clean, not on whether it still is clean</p>
+
+<p class="notes">Disagrees with spec on "is" vs "was"
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Pattern safety depends on whether the source was origin-clean, not on whether it still is clean");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+ctx2.fillStyle = '#0f0';
+ctx2.fillRect(0, 0, 100, 50);
+var p = ctx.createPattern(canvas2, 'repeat');
+ctx2.drawImage(document.getElementById('yellow.png'), 0, 0); // make canvas2 origin-unclean
+ctx.fillStyle = p;
+ctx.fillRect(0, 0, 100, 50);
+canvas.toDataURL();
+ctx.getImageData(0, 0, 1, 1);
+_assert(true, "true"); // okay if there was no exception
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.redirect.html
new file mode 100644
index 0000000000..f48366cd54
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.canvas.timing.redirect.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.canvas.timing.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.canvas.timing.redirect</h1>
+<p class="desc">Pattern safety depends on whether the source was origin-clean, not on whether it still is clean</p>
+
+<p class="notes">Disagrees with spec on "is" vs "was"
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Pattern safety depends on whether the source was origin-clean, not on whether it still is clean");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+ctx2.fillStyle = '#0f0';
+ctx2.fillRect(0, 0, 100, 50);
+var p = ctx.createPattern(canvas2, 'repeat');
+ctx2.drawImage(document.getElementById('yellow.png'), 0, 0); // make canvas2 origin-unclean
+ctx.fillStyle = p;
+ctx.fillRect(0, 0, 100, 50);
+canvas.toDataURL();
+ctx.getImageData(0, 0, 1, 1);
+_assert(true, "true"); // okay if there was no exception
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.create.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.create.cross.html
new file mode 100644
index 0000000000..e0d3d10556
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.create.cross.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.create.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.create.cross</h1>
+<p class="desc">Creating an unclean pattern does not make the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Creating an unclean pattern does not make the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var p = ctx.createPattern(document.getElementById('yellow.png'), 'repeat');
+canvas.toDataURL();
+ctx.getImageData(0, 0, 1, 1);
+_assert(true, "true"); // okay if there was no exception
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.create.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.create.redirect.html
new file mode 100644
index 0000000000..3fb7cf98b2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.create.redirect.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.create.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.create.redirect</h1>
+<p class="desc">Creating an unclean pattern does not make the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Creating an unclean pattern does not make the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var p = ctx.createPattern(document.getElementById('yellow.png'), 'repeat');
+canvas.toDataURL();
+ctx.getImageData(0, 0, 1, 1);
+_assert(true, "true"); // okay if there was no exception
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.cross.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.cross.cross.html
new file mode 100644
index 0000000000..2dd14a87a9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.cross.cross.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.cross.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.cross.cross</h1>
+<p class="desc">Using an unclean pattern makes the target canvas origin-unclean, not the pattern canvas</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Using an unclean pattern makes the target canvas origin-unclean, not the pattern canvas");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+var p = ctx2.createPattern(document.getElementById('yellow.png'), 'repeat');
+ctx.fillStyle = p;
+ctx.fillRect(0, 0, 100, 50);
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+canvas2.toDataURL();
+ctx2.getImageData(0, 0, 1, 1);
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.cross.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.cross.redirect.html
new file mode 100644
index 0000000000..8d69ea0afc
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.cross.redirect.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.cross.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.cross.redirect</h1>
+<p class="desc">Using an unclean pattern makes the target canvas origin-unclean, not the pattern canvas</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Using an unclean pattern makes the target canvas origin-unclean, not the pattern canvas");
+_addTest(function(canvas, ctx) {
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = 100;
+canvas2.height = 50;
+var ctx2 = canvas2.getContext('2d');
+var p = ctx2.createPattern(document.getElementById('yellow.png'), 'repeat');
+ctx.fillStyle = p;
+ctx.fillRect(0, 0, 100, 50);
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+canvas2.toDataURL();
+ctx2.getImageData(0, 0, 1, 1);
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.fillStyle.sub.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.fillStyle.sub.html
new file mode 100644
index 0000000000..a1053c04a4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.fillStyle.sub.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
+<title>Canvas test: security.pattern.canvas.fillStyle.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="/common/media.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<body>
+<p class="desc">Setting fillStyle to a pattern of an unclean canvas makes the canvas origin-unclean</p>
+
+<script>
+
+forEachCanvasSource(get_host_info().HTTP_REMOTE_ORIGIN,
+ get_host_info().HTTP_ORIGIN,
+ (name, factory) => {
+ promise_test(_ => {
+ return factory().then(source => {
+ const canvas = document.createElement('canvas');
+ const ctx = canvas.getContext('2d');
+ const pattern = ctx.createPattern(source, 'repeat');
+ ctx.fillStyle = pattern;
+ ctx.fillStyle = 'red';
+ assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+ assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+ });
+ }, `${name}: Setting fillStyle to an origin-unclean pattern makes the canvas origin-unclean`);
+});
+
+forEachCanvasSource(get_host_info().HTTP_REMOTE_ORIGIN,
+ get_host_info().HTTP_ORIGIN,
+ (name, factory) => {
+ promise_test(_ => {
+ return factory().then(source => {
+ const pattern = new OffscreenCanvas(10, 10)
+ .getContext('2d')
+ .createPattern(source, 'repeat');
+
+ const canvas = document.createElement('canvas');
+ const ctx = canvas.getContext('2d');
+ ctx.fillStyle = pattern;
+ ctx.fillStyle = 'red';
+ assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+ assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+ });
+ }, `${name}: Setting fillStyle to an origin-unclean offscreen canvas pattern makes the canvas origin-unclean`);
+});
+
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.fillStyle.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.fillStyle.cross.html
new file mode 100644
index 0000000000..1d7dc1d84f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.fillStyle.cross.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.image.fillStyle.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.image.fillStyle.cross</h1>
+<p class="desc">Setting fillStyle to a pattern of a different-origin image makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting fillStyle to a pattern of a different-origin image makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var p = ctx.createPattern(document.getElementById('yellow.png'), 'repeat');
+ctx.fillStyle = p;
+ctx.fillStyle = 'red';
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.fillStyle.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.fillStyle.redirect.html
new file mode 100644
index 0000000000..3af917705b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.fillStyle.redirect.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.image.fillStyle.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.image.fillStyle.redirect</h1>
+<p class="desc">Setting fillStyle to a pattern of a different-origin image makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting fillStyle to a pattern of a different-origin image makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var p = ctx.createPattern(document.getElementById('yellow.png'), 'repeat');
+ctx.fillStyle = p;
+ctx.fillStyle = 'red';
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.strokeStyle.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.strokeStyle.cross.html
new file mode 100644
index 0000000000..e35535af43
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.strokeStyle.cross.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.image.strokeStyle.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.image.strokeStyle.cross</h1>
+<p class="desc">Setting strokeStyle to a pattern of a different-origin image makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting strokeStyle to a pattern of a different-origin image makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var p = ctx.createPattern(document.getElementById('yellow.png'), 'repeat');
+ctx.strokeStyle = p;
+ctx.strokeStyle = 'red';
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.strokeStyle.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.strokeStyle.redirect.html
new file mode 100644
index 0000000000..09df15d24f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.pattern.image.strokeStyle.redirect.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.pattern.image.strokeStyle.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.pattern.image.strokeStyle.redirect</h1>
+<p class="desc">Setting strokeStyle to a pattern of a different-origin image makes the canvas origin-unclean</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting strokeStyle to a pattern of a different-origin image makes the canvas origin-unclean");
+_addTest(function(canvas, ctx) {
+
+var p = ctx.createPattern(document.getElementById('yellow.png'), 'repeat');
+ctx.strokeStyle = p;
+ctx.strokeStyle = 'red';
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+assert_throws_dom("SECURITY_ERR", function() { ctx.getImageData(0, 0, 1, 1); });
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.reset.cross.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.reset.cross.html
new file mode 100644
index 0000000000..f823bbd8ac
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.reset.cross.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.reset.cross</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.reset.cross</h1>
+<p class="desc">Resetting the canvas state resets the origin-clean flag</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Resetting the canvas state resets the origin-clean flag");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 50;
+ctx.drawImage(document.getElementById('yellow.png'), 0, 0);
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+canvas.width = 100;
+canvas.toDataURL();
+ctx.getImageData(0, 0, 1, 1);
+_assert(true, "true"); // okay if there was no exception
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.reset.redirect.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.reset.redirect.html
new file mode 100644
index 0000000000..af881c5fdc
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/security.reset.redirect.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: security.reset.redirect</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>security.reset.redirect</h1>
+<p class="desc">Resetting the canvas state resets the origin-clean flag</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Resetting the canvas state resets the origin-clean flag");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 50;
+ctx.drawImage(document.getElementById('yellow.png'), 0, 0);
+assert_throws_dom("SECURITY_ERR", function() { canvas.toDataURL(); });
+canvas.width = 100;
+canvas.toDataURL();
+ctx.getImageData(0, 0, 1, 1);
+_assert(true, "true"); // okay if there was no exception
+
+
+});
+</script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="data:text/javascript,addCrossOriginRedirectYellowImage()"></script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.default.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.default.html
new file mode 100644
index 0000000000..ecf35285a1
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.default.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: size.attributes.default</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>size.attributes.default</h1>
+<p class="desc">Default width/height when attributes are missing</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" ><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="size.attributes.default.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Default width/height when attributes are missing");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.width, 300, "canvas.width", "300");
+_assertSame(canvas.height, 150, "canvas.height", "150");
+_assert(!canvas.hasAttribute('width'), "!canvas.hasAttribute('width')");
+_assert(!canvas.hasAttribute('height'), "!canvas.hasAttribute('height')");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.default.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.default.png
new file mode 100644
index 0000000000..a72d047556
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.default.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.get.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.get.png
new file mode 100644
index 0000000000..47830c83ea
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.get.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.idl.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.idl.html
new file mode 100644
index 0000000000..1594a1c5e5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.idl.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: size.attributes.idl</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>size.attributes.idl</h1>
+<p class="desc">Getting/setting width/height IDL attributes</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Getting/setting width/height IDL attributes");
+_addTest(function(canvas, ctx) {
+
+canvas.width = "100";
+canvas.height = "100";
+_assertSame(canvas.width, 100, "canvas.width", "100");
+_assertSame(canvas.height, 100, "canvas.height", "100");
+
+canvas.width = "+1.5e2";
+canvas.height = "0x96";
+_assertSame(canvas.width, 150, "canvas.width", "150");
+_assertSame(canvas.height, 150, "canvas.height", "150");
+
+canvas.width = 200 - Math.pow(2, 32);
+canvas.height = 200 - Math.pow(2, 32);
+_assertSame(canvas.width, 200, "canvas.width", "200");
+_assertSame(canvas.height, 200, "canvas.height", "200");
+
+canvas.width = 301.999;
+canvas.height = 301.001;
+_assertSame(canvas.width, 301, "canvas.width", "301");
+_assertSame(canvas.height, 301, "canvas.height", "301");
+
+canvas.width = "400x";
+canvas.height = "foo";
+_assertSame(canvas.width, 0, "canvas.width", "0");
+_assertSame(canvas.height, 0, "canvas.height", "0");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.idl.set.zero.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.idl.set.zero.html
new file mode 100644
index 0000000000..c09d5cb278
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.idl.set.zero.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: size.attributes.idl.set.zero</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>size.attributes.idl.set.zero</h1>
+<p class="desc">Setting width/height IDL attributes to 0</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting width/height IDL attributes to 0");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 0;
+canvas.height = 0;
+_assertSame(canvas.width, 0, "canvas.width", "0");
+_assertSame(canvas.height, 0, "canvas.height", "0");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setcontent.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setcontent.html
new file mode 100644
index 0000000000..a25c4b784a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setcontent.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: size.attributes.reflect.setcontent</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>size.attributes.reflect.setcontent</h1>
+<p class="desc">Setting content attributes updates IDL and content attributes</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="size.attributes.reflect.setcontent.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting content attributes updates IDL and content attributes");
+_addTest(function(canvas, ctx) {
+
+canvas.setAttribute('width', '120');
+canvas.setAttribute('height', '60');
+_assertSame(canvas.getAttribute('width'), '120', "canvas.getAttribute('width')", "'120'");
+_assertSame(canvas.getAttribute('height'), '60', "canvas.getAttribute('height')", "'60'");
+_assertSame(canvas.width, 120, "canvas.width", "120");
+_assertSame(canvas.height, 60, "canvas.height", "60");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setcontent.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setcontent.png
new file mode 100644
index 0000000000..47830c83ea
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setcontent.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidl.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidl.html
new file mode 100644
index 0000000000..e228276da7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidl.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: size.attributes.reflect.setidl</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>size.attributes.reflect.setidl</h1>
+<p class="desc">Setting IDL attributes updates IDL and content attributes</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="size.attributes.reflect.setidl.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting IDL attributes updates IDL and content attributes");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 120;
+canvas.height = 60;
+_assertSame(canvas.getAttribute('width'), '120', "canvas.getAttribute('width')", "'120'");
+_assertSame(canvas.getAttribute('height'), '60', "canvas.getAttribute('height')", "'60'");
+_assertSame(canvas.width, 120, "canvas.width", "120");
+_assertSame(canvas.height, 60, "canvas.height", "60");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidl.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidl.png
new file mode 100644
index 0000000000..47830c83ea
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidl.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidlzero.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidlzero.html
new file mode 100644
index 0000000000..65df3f9f94
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.reflect.setidlzero.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: size.attributes.reflect.setidlzero</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>size.attributes.reflect.setidlzero</h1>
+<p class="desc">Setting IDL attributes to 0 updates IDL and content attributes</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Setting IDL attributes to 0 updates IDL and content attributes");
+_addTest(function(canvas, ctx) {
+
+canvas.width = 0;
+canvas.height = 0;
+_assertSame(canvas.getAttribute('width'), '0', "canvas.getAttribute('width')", "'0'");
+_assertSame(canvas.getAttribute('height'), '0', "canvas.getAttribute('height')", "'0'");
+_assertSame(canvas.width, 0, "canvas.width", "0");
+_assertSame(canvas.height, 0, "canvas.height", "0");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.removed.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.removed.html
new file mode 100644
index 0000000000..c96cba7b17
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.removed.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: size.attributes.removed</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>size.attributes.removed</h1>
+<p class="desc">Removing content attributes reverts to default size</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="120" height="60"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="size.attributes.removed.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Removing content attributes reverts to default size");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.width, 120, "canvas.width", "120");
+canvas.removeAttribute('width');
+_assertSame(canvas.width, 300, "canvas.width", "300");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.removed.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.removed.png
new file mode 100644
index 0000000000..1ebf30d8aa
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.removed.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.set.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.set.png
new file mode 100644
index 0000000000..47830c83ea
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.set.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.style.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.style.html
new file mode 100644
index 0000000000..aeb5c7ecb2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.style.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: size.attributes.style</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>size.attributes.style</h1>
+<p class="desc">Canvas size is independent of CSS resizing</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="50" height="30" style="width: 100px; height: 50px"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="size.attributes.style.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("Canvas size is independent of CSS resizing");
+_addTest(function(canvas, ctx) {
+
+_assertSame(canvas.width, 50, "canvas.width", "50");
+_assertSame(canvas.height, 30, "canvas.height", "30");
+
+
+});
+</script>
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.style.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.style.png
new file mode 100644
index 0000000000..eeedd0ff05
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/size.attributes.style.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html
new file mode 100644
index 0000000000..393170baad
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html
@@ -0,0 +1,29 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>toBlob() reports the exception from its callback in the callback's global object</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<iframe srcdoc="<canvas></canvas>"></iframe>
+<iframe></iframe>
+<iframe></iframe>
+<script>
+setup({ allow_uncaught_exception: true });
+
+const onerrorCalls = [];
+window.onerror = () => { onerrorCalls.push("top"); };
+frames[0].onerror = () => { onerrorCalls.push("frame0"); };
+frames[1].onerror = () => { onerrorCalls.push("frame1"); };
+frames[2].onerror = () => { onerrorCalls.push("frame2"); };
+
+async_test(t => {
+ window.onload = t.step_func(() => {
+ const canvas = frames[0].document.querySelector("canvas");
+ canvas.toBlob(new frames[1].Function(`throw new parent.frames[2].Error("PASS");`));
+
+ t.step_timeout(() => {
+ assert_array_equals(onerrorCalls, ["frame1"]);
+ t.done();
+ }, 25);
+ });
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.jpeg.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.jpeg.html
new file mode 100644
index 0000000000..1a95d4a6dd
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.jpeg.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<title>Canvas test: toBlob.jpeg</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<canvas id="c"></canvas>
+<script>
+async_test(function() {
+ on_event(window, "load", this.step_func(function() {
+ var canvas = document.getElementById('c');
+ var ctx = canvas.getContext('2d');
+ canvas.toBlob(this.step_func_done(function(data) {
+ assert_equals(data.type, "image/jpeg");
+ }), 'image/jpeg');
+ }));
+}, "toBlob with image/jpeg returns a JPEG Blob");
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.null.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.null.html
new file mode 100644
index 0000000000..11368a169c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.null.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>Canvas test: toBlob.null</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toBlob.null</h1>
+<p class="desc">toBlob with zero dimension returns a null Blob</p>
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="0"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+async_test(function() {
+ on_event(window, "load", this.step_func(function() {
+ var toBlobCalled = false;
+ c.toBlob(this.step_func(function(blob) {
+ toBlobCalled = true;
+ _assertSame(blob, null, "blob", "null");
+ c.width = 0;
+ c.height = 100;
+ c.toBlob(this.step_func_done(function(blob) {
+ _assertSame(blob, null, "blob", "null");
+ }), 'image/jpeg');
+ }), 'image/jpeg');
+ assert_false(toBlobCalled, "toBlob callback shouldn't be called synchronously");
+ }));
+}, "toBlob with zero dimension returns a null Blob");
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.png.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.png.html
new file mode 100644
index 0000000000..1533bfdb6c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob.png.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<title>Canvas test: toBlob.png</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<canvas id="c"></canvas>
+<script>
+async_test(function() {
+ on_event(window, "load", this.step_func(function() {
+ var canvas = document.getElementById('c');
+ var ctx = canvas.getContext('2d');
+ canvas.toBlob(this.step_func_done(function(data) {
+ assert_equals(data.type, "image/png");
+ }), 'image/png');
+ }));
+}, "toBlob with image/png returns a PNG Blob");
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.1.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.1.html
new file mode 100644
index 0000000000..8ed134c6b9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.1.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.arguments.1</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.arguments.1</h1>
+<p class="desc">toDataURL ignores extra arguments</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL ignores extra arguments");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL('image/png', 'another argument that should not raise an exception');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.2.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.2.html
new file mode 100644
index 0000000000..5226c215f6
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.2.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.arguments.2</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.arguments.2</h1>
+<p class="desc">toDataURL ignores extra arguments</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL ignores extra arguments");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL('image/png', 'another argument that should not raise an exception', 'and another');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.3.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.3.html
new file mode 100644
index 0000000000..23b3e33ed8
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.arguments.3.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.arguments.3</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.arguments.3</h1>
+<p class="desc">toDataURL ignores extra arguments</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL ignores extra arguments");
+_addTest(function(canvas, ctx) {
+
+// More arguments that should not raise exceptions
+var data = canvas.toDataURL('image/png', null, null, null);
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.bogustype.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.bogustype.html
new file mode 100644
index 0000000000..9b2414fc0b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.bogustype.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.bogustype</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.bogustype</h1>
+<p class="desc">toDataURL with a syntactically invalid type returns a PNG</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with a syntactically invalid type returns a PNG");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL('bogus');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.default.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.default.html
new file mode 100644
index 0000000000..8bae384373
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.default.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.default</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.default</h1>
+<p class="desc">toDataURL with no arguments returns a PNG</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with no arguments returns a PNG");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL();
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.alpha.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.alpha.html
new file mode 100644
index 0000000000..daf278351d
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.alpha.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.jpeg.alpha</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.jpeg.alpha</h1>
+<p class="desc">toDataURL with JPEG composites onto black</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="toDataURL.jpeg.alpha.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with JPEG composites onto black");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = 'rgba(128, 255, 128, 0.5)';
+ctx.fillRect(0, 0, 100, 50);
+ctx.globalCompositeOperation = 'destination-over'; // should be ignored by toDataURL
+var data = canvas.toDataURL('image/jpeg');
+ctx.globalCompositeOperation = 'source-over';
+if (!data.match(/^data:image\/jpeg[;,]/)) {
+ _assert(true, "true");
+} else {
+ ctx.fillStyle = '#f00';
+ ctx.fillRect(0, 0, 100, 50);
+ var img = new Image();
+ deferTest();
+ img.onload = t.step_func_done(function ()
+ {
+ ctx.drawImage(img, 0, 0);
+ _assertPixelApprox(canvas, 50,25, 63,127,63,255, 8);
+ });
+ img.src = data;
+}
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.alpha.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.alpha.png
new file mode 100644
index 0000000000..551871295c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.alpha.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.html
new file mode 100644
index 0000000000..750487bdea
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.jpeg.primarycolours</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.jpeg.primarycolours</h1>
+<p class="desc">toDataURL with JPEG handles simple colours correctly</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="toDataURL.jpeg.primarycolours.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with JPEG handles simple colours correctly");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#ff0';
+ctx.fillRect(0, 0, 25, 40);
+ctx.fillStyle = '#0ff';
+ctx.fillRect(25, 0, 50, 40);
+ctx.fillStyle = '#00f';
+ctx.fillRect(75, 0, 25, 40);
+ctx.fillStyle = '#fff';
+ctx.fillRect(0, 40, 100, 10);
+var data = canvas.toDataURL('image/jpeg'); // it is okay if this returns a PNG instead
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 100, 50);
+var img = new Image();
+deferTest();
+img.onload = t.step_func_done(function ()
+{
+ ctx.drawImage(img, 0, 0);
+ _assertPixelApprox(canvas, 12,20, 255,255,0,255, 8);
+ _assertPixelApprox(canvas, 50,20, 0,255,255,255, 8);
+ _assertPixelApprox(canvas, 87,20, 0,0,255,255, 8);
+ _assertPixelApprox(canvas, 50,45, 255,255,255,255, 8);
+});
+img.src = data;
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.png
new file mode 100644
index 0000000000..cfd1369007
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.primarycolours.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.basic.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.basic.html
new file mode 100644
index 0000000000..dc5d814244
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.basic.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.jpeg.quality.basic</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.jpeg.quality.basic</h1>
+<p class="desc">toDataURL with JPEG uses the quality parameter</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="toDataURL.jpeg.quality.basic.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with JPEG uses the quality parameter");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#00f';
+ctx.fillRect(0, 0, 100, 50);
+ctx.fillStyle = '#0ff';
+ctx.fillRect(0, 3, 100, 1);
+// Check for JPEG support first
+var data = canvas.toDataURL('image/jpeg');
+if (!data.match(/^data:image\/jpeg[;,]/)) {
+ _assert(true, "true");
+} else {
+ var data_hi = canvas.toDataURL('image/jpeg', 0.99);
+ var data_lo = canvas.toDataURL('image/jpeg', 0.01);
+ ctx.fillStyle = '#f00';
+ ctx.fillRect(0, 0, 100, 50);
+ deferTest();
+ var img_hi = new Image();
+ img_hi.onload = function ()
+ {
+ var img_lo = new Image();
+ img_lo.onload = t.step_func_done(function ()
+ {
+ ctx.drawImage(img_hi, 0, 0, 50, 50, 0, 0, 50, 50);
+ ctx.drawImage(img_lo, 0, 0, 50, 50, 50, 0, 50, 50);
+ _assert(data_hi.length > data_lo.length, "data_hi.length > data_lo.length");
+ _assertPixelApprox(canvas, 25,25, 0,0,255,255, 8);
+ _assertPixelApprox(canvas, 75,25, 0,0,255,255, 32);
+ });
+ img_lo.src = data_lo;
+ };
+ img_hi.src = data_hi;
+}
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.basic.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.basic.png
new file mode 100644
index 0000000000..2f8a0bc790
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.basic.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.notnumber.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.notnumber.html
new file mode 100644
index 0000000000..aa8066e67f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.notnumber.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.jpeg.quality.notnumber</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.jpeg.quality.notnumber</h1>
+<p class="desc">toDataURL with JPEG handles non-numeric quality parameters</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with JPEG handles non-numeric quality parameters");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#00f';
+ctx.fillRect(0, 0, 100, 50);
+ctx.fillStyle = '#0ff';
+ctx.fillRect(0, 3, 100, 1);
+// Check for JPEG support first
+var data = canvas.toDataURL('image/jpeg');
+if (!data.match(/^data:image\/jpeg[;,]/)) {
+ _assert(true, "true");
+} else {
+ _assertSame(canvas.toDataURL('image/jpeg', 'bogus'), data, "canvas.toDataURL('image/jpeg', 'bogus')", "data");
+ _assertSame(canvas.toDataURL('image/jpeg', {}), data, "canvas.toDataURL('image/jpeg', {})", "data");
+ _assertSame(canvas.toDataURL('image/jpeg', null), data, "canvas.toDataURL('image/jpeg', null)", "data");
+ _assertSame(canvas.toDataURL('image/jpeg', undefined), data, "canvas.toDataURL('image/jpeg', undefined)", "data");
+ _assertSame(canvas.toDataURL('image/jpeg', true), data, "canvas.toDataURL('image/jpeg', true)", "data");
+ _assertSame(canvas.toDataURL('image/jpeg', '0.01'), data, "canvas.toDataURL('image/jpeg', '0.01')", "data");
+}
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.outsiderange.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.outsiderange.html
new file mode 100644
index 0000000000..9e40fb887b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpeg.quality.outsiderange.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.jpeg.quality.outsiderange</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.jpeg.quality.outsiderange</h1>
+<p class="desc">toDataURL with JPEG handles out-of-range quality parameters</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with JPEG handles out-of-range quality parameters");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#00f';
+ctx.fillRect(0, 0, 100, 50);
+ctx.fillStyle = '#0ff';
+ctx.fillRect(0, 3, 100, 1);
+// Check for JPEG support first
+var data = canvas.toDataURL('image/jpeg');
+if (!data.match(/^data:image\/jpeg[;,]/)) {
+ _assert(true, "true");
+} else {
+ _assertSame(canvas.toDataURL('image/jpeg', 10), data, "canvas.toDataURL('image/jpeg', 10)", "data");
+ _assertSame(canvas.toDataURL('image/jpeg', -10), data, "canvas.toDataURL('image/jpeg', -10)", "data");
+ _assertSame(canvas.toDataURL('image/jpeg', 1.01), data, "canvas.toDataURL('image/jpeg', 1.01)", "data");
+ _assertSame(canvas.toDataURL('image/jpeg', -0.01), data, "canvas.toDataURL('image/jpeg', -0.01)", "data");
+
+ _assert(canvas.toDataURL('image/jpeg', 1).length >= canvas.toDataURL('image/jpeg', 0.9).length, "canvas.toDataURL('image/jpeg', 1).length >= canvas.toDataURL('image/jpeg', 0.9).length");
+ _assert(canvas.toDataURL('image/jpeg', 0).length <= canvas.toDataURL('image/jpeg', 0.1).length, "canvas.toDataURL('image/jpeg', 0).length <= canvas.toDataURL('image/jpeg', 0.1).length");
+}
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpg.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpg.html
new file mode 100644
index 0000000000..e59793db70
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.jpg.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.jpg</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.jpg</h1>
+<p class="desc">toDataURL with image/jpg is invalid type hence returns a PNG</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with image/jpg is invalid type hence returns a PNG");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL('image/jpg');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.lowercase.ascii.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.lowercase.ascii.html
new file mode 100644
index 0000000000..858035cc64
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.lowercase.ascii.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.lowercase.ascii</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.lowercase.ascii</h1>
+<p class="desc">toDataURL type is case-insensitive</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL type is case-insensitive");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL('ImAgE/PnG');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+// If JPEG is supported at all, it must be supported case-insensitively
+data = canvas.toDataURL('image/jpeg');
+if (data.match(/^data:image\/jpeg[;,]/)) {
+ data = canvas.toDataURL('ImAgE/JpEg');
+ assert_regexp_match(data, /^data:image\/jpeg[;,]/);
+}
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.lowercase.unicode.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.lowercase.unicode.html
new file mode 100644
index 0000000000..123f966ee2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.lowercase.unicode.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.lowercase.unicode</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.lowercase.unicode</h1>
+<p class="desc">toDataURL type is ASCII-case-insensitive</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL type is ASCII-case-insensitive");
+_addTest(function(canvas, ctx) {
+
+// Use LATIN CAPITAL LETTER I WITH DOT ABOVE (Unicode lowercase is "i")
+var data = canvas.toDataURL('\u0130mage/png');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+var data = canvas.toDataURL('\u0130mage/jpeg');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.nocontext.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.nocontext.html
new file mode 100644
index 0000000000..704dc74fb9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.nocontext.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.nocontext</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.nocontext</h1>
+<p class="desc">toDataURL works before any context has been got</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL works before any context has been got");
+_addTest(function(canvas, ctx) {
+
+var no_context_data = canvas.toDataURL();
+var ctx = canvas.getContext('2d');
+ctx.rect(0, 0, 100, 50);
+ctx.fillStyle = "rgba(0, 0, 0, 0)";
+ctx.fill();
+var data = canvas.toDataURL();
+assert_equals(no_context_data, data);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.complexcolours.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.complexcolours.html
new file mode 100644
index 0000000000..dadea7c5b0
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.complexcolours.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.png.complexcolours</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.png.complexcolours</h1>
+<p class="desc">toDataURL with PNG handles non-primary and non-solid colours correctly</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="toDataURL.png.complexcolours.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with PNG handles non-primary and non-solid colours correctly");
+_addTest(function(canvas, ctx) {
+
+// (These values are chosen to survive relatively alright through being premultiplied)
+ctx.fillStyle = 'rgba(1, 3, 254, 1)';
+ctx.fillRect(0, 0, 25, 25);
+ctx.fillStyle = 'rgba(8, 252, 248, 0.75)';
+ctx.fillRect(25, 0, 25, 25);
+ctx.fillStyle = 'rgba(6, 10, 250, 0.502)';
+ctx.fillRect(50, 0, 25, 25);
+ctx.fillStyle = 'rgba(12, 16, 244, 0.25)';
+ctx.fillRect(75, 0, 25, 25);
+var img = new Image();
+deferTest();
+img.onload = t.step_func_done(function ()
+{
+ ctx.drawImage(img, 0, 25);
+ // (The alpha values do not really survive float->int conversion, so just
+ // do approximate comparisons)
+ _assertPixel(canvas, 12,40, 1,3,254,255);
+ _assertPixelApprox(canvas, 37,40, 8,252,248,191, 2);
+ _assertPixelApprox(canvas, 62,40, 6,10,250,127, 4);
+ _assertPixelApprox(canvas, 87,40, 12,16,244,63, 8);
+});
+img.src = canvas.toDataURL();
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.complexcolours.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.complexcolours.png
new file mode 100644
index 0000000000..b5f9c118aa
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.complexcolours.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.html
new file mode 100644
index 0000000000..26c92a45a7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.png</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.png</h1>
+<p class="desc">toDataURL with image/png returns a PNG</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with image/png returns a PNG");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL('image/png');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.primarycolours.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.primarycolours.html
new file mode 100644
index 0000000000..a13850d54e
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.primarycolours.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.png.primarycolours</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.png.primarycolours</h1>
+<p class="desc">toDataURL with PNG handles simple colours correctly</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="toDataURL.png.primarycolours.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with PNG handles simple colours correctly");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#ff0';
+ctx.fillRect(0, 0, 25, 40);
+ctx.fillStyle = '#0ff';
+ctx.fillRect(25, 0, 50, 40);
+ctx.fillStyle = '#00f';
+ctx.fillRect(75, 0, 25, 40);
+ctx.fillStyle = '#fff';
+ctx.fillRect(0, 40, 100, 10);
+var data = canvas.toDataURL();
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 100, 50);
+var img = new Image();
+deferTest();
+img.onload = t.step_func_done(function ()
+{
+ ctx.drawImage(img, 0, 0);
+ _assertPixel(canvas, 12,20, 255,255,0,255);
+ _assertPixel(canvas, 50,20, 0,255,255,255);
+ _assertPixel(canvas, 87,20, 0,0,255,255);
+ _assertPixel(canvas, 50,45, 255,255,255,255);
+});
+img.src = data;
+
+
+});
+</script>
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.primarycolours.png b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.primarycolours.png
new file mode 100644
index 0000000000..cfd1369007
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.png.primarycolours.png
Binary files differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.unrecognised.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.unrecognised.html
new file mode 100644
index 0000000000..835a898027
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.unrecognised.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.unrecognised</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.unrecognised</h1>
+<p class="desc">toDataURL with an unhandled type returns a PNG</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL with an unhandled type returns a PNG");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL('image/example');
+assert_regexp_match(data, /^data:image\/png[;,]/);
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zeroheight.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zeroheight.html
new file mode 100644
index 0000000000..9b09beb6d6
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zeroheight.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.zeroheight</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.zeroheight</h1>
+<p class="desc">toDataURL on zero-size canvas returns 'data:,'</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" height="0"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL on zero-size canvas returns 'data:,'");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL();
+_assertSame(data, 'data:,', "data", "'data:,'");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zerosize.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zerosize.html
new file mode 100644
index 0000000000..4468104268
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zerosize.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.zerosize</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.zerosize</h1>
+<p class="desc">toDataURL on zero-size canvas returns 'data:,'</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="0" height="0"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL on zero-size canvas returns 'data:,'");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL();
+_assertSame(data, 'data:,', "data", "'data:,'");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zerowidth.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zerowidth.html
new file mode 100644
index 0000000000..9ab3524352
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toDataURL.zerowidth.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: toDataURL.zerowidth</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>toDataURL.zerowidth</h1>
+<p class="desc">toDataURL on zero-size canvas returns 'data:,'</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="0"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("toDataURL on zero-size canvas returns 'data:,'");
+_addTest(function(canvas, ctx) {
+
+var data = canvas.toDataURL();
+_assertSame(data, 'data:,', "data", "'data:,'");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.delete.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.delete.html
new file mode 100644
index 0000000000..7fd54b30d5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.delete.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: type.delete</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>type.delete</h1>
+<p class="desc">window.HTMLCanvasElement interface object is [[Configurable]]</p>
+
+<p class="notes">Defined in "Web IDL" (draft)
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("window.HTMLCanvasElement interface object is [[Configurable]]");
+_addTest(function(canvas, ctx) {
+
+_assertSame(delete window.HTMLCanvasElement, true, "delete window.HTMLCanvasElement", "true");
+_assertSame(window.HTMLCanvasElement, undefined, "window.HTMLCanvasElement", "undefined");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.exists.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.exists.html
new file mode 100644
index 0000000000..26f59a1614
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.exists.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: type.exists</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>type.exists</h1>
+<p class="desc">HTMLCanvasElement is a property of window</p>
+
+<p class="notes">Defined in "Web IDL" (draft)
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("HTMLCanvasElement is a property of window");
+_addTest(function(canvas, ctx) {
+
+_assert(window.HTMLCanvasElement, "window.HTMLCanvasElement");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.extend.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.extend.html
new file mode 100644
index 0000000000..e17209f455
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.extend.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: type.extend</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>type.extend</h1>
+<p class="desc">HTMLCanvasElement methods can be added, and the new methods used by canvases</p>
+
+<p class="notes">Defined in "Web IDL" (draft)
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("HTMLCanvasElement methods can be added, and the new methods used by canvases");
+_addTest(function(canvas, ctx) {
+
+window.HTMLCanvasElement.prototype.getZero = function () { return 0; };
+_assertSame(canvas.getZero(), 0, "canvas.getZero()", "0");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.name.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.name.html
new file mode 100644
index 0000000000..fdf1d1d398
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.name.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: type.name</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>type.name</h1>
+<p class="desc">HTMLCanvasElement type and toString</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("HTMLCanvasElement type and toString");
+_addTest(function(canvas, ctx) {
+
+_assertSame(Object.prototype.toString.call(canvas), '[object HTMLCanvasElement]', "Object.prototype.toString.call(canvas)", "'[object HTMLCanvasElement]'");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.prototype.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.prototype.html
new file mode 100644
index 0000000000..f47f755388
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.prototype.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: type.prototype</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>type.prototype</h1>
+<p class="desc">window.HTMLCanvasElement has prototype, which is { ReadOnly, DontDelete }. prototype has getContext, which is not</p>
+
+<p class="notes">Defined in "Web IDL" (draft)
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("window.HTMLCanvasElement has prototype, which is { ReadOnly, DontDelete }. prototype has getContext, which is not");
+_addTest(function(canvas, ctx) {
+
+_assert(window.HTMLCanvasElement.prototype, "window.HTMLCanvasElement.prototype");
+_assert(window.HTMLCanvasElement.prototype.getContext, "window.HTMLCanvasElement.prototype.getContext");
+window.HTMLCanvasElement.prototype = null;
+_assert(window.HTMLCanvasElement.prototype, "window.HTMLCanvasElement.prototype");
+delete window.HTMLCanvasElement.prototype;
+_assert(window.HTMLCanvasElement.prototype, "window.HTMLCanvasElement.prototype");
+window.HTMLCanvasElement.prototype.getContext = 1;
+_assertSame(window.HTMLCanvasElement.prototype.getContext, 1, "window.HTMLCanvasElement.prototype.getContext", "1");
+delete window.HTMLCanvasElement.prototype.getContext;
+_assertSame(window.HTMLCanvasElement.prototype.getContext, undefined, "window.HTMLCanvasElement.prototype.getContext", "undefined");
+
+
+});
+</script>
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.replace.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.replace.html
new file mode 100644
index 0000000000..e67fe7c4a2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/type.replace.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: type.replace</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>type.replace</h1>
+<p class="desc">HTMLCanvasElement methods can be replaced, and the replacement methods used by canvases</p>
+
+<p class="notes">Defined in "Web IDL" (draft)
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("HTMLCanvasElement methods can be replaced, and the replacement methods used by canvases");
+_addTest(function(canvas, ctx) {
+
+window.HTMLCanvasElement.prototype.getContext = function (name) { return 0; };
+_assertSame(canvas.getContext('2d'), 0, "canvas.getContext('2d')", "0");
+
+
+});
+</script>
+