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-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/composited-inside-object-ref.html9
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/composited-inside-object.html13
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/compositing-backface-visibility-ref.html8
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/compositing-backface-visibility.html13
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/containing-block.html46
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/filter-repaint-ref.html15
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/filter-repaint.html24
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-circular-filter-reference-crash.html13
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-margin-collapsing.html16
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-paints-before-rect-ref.html12
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-paints-before-rect.html16
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-scale-scroll-ref.html8
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-scale-scroll.html9
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-size-ref.html8
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-size.html23
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-under-clip-path-crash.html10
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-under-defs-crash.html14
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-with-position-under-clip-path.html21
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/getboundingclientrect.html33
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html-ref.html2
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html.html13
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg-ref.html2
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg.html15
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/masked-ref.html2
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/masked.html14
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/overlapped-positioned-and-will-change-transform-descendant.html31
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/position-svg-root-in-foreign-object-ref.html6
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/position-svg-root-in-foreign-object.html13
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/properties.svg56
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/scroll-transform-nested-stacked-children-ref.html6
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/scroll-transform-nested-stacked-children.html15
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/stacking-context-ref.html18
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/stacking-context.html26
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-foreign-object-paint-order-ref.html2
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-foreign-object-paint-order.html11
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-transformed-foreign-object-ref.html5
-rw-r--r--testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-transformed-foreign-object.html12
-rw-r--r--testing/web-platform/tests/svg/extensibility/interfaces/foreignObject-graphics.svg18
38 files changed, 578 insertions, 0 deletions
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/composited-inside-object-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/composited-inside-object-ref.html
new file mode 100644
index 0000000000..079662bc74
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/composited-inside-object-ref.html
@@ -0,0 +1,9 @@
+<!doctype HTML>
+<title>Compositing inside a non-stacking-context object works reference</title>
+<object style="display: block; backface-visibility:hidden">
+ <svg>
+ <foreignObject>
+ <div>Test</div>
+ </foreignObject>
+ </svg>
+</object>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/composited-inside-object.html b/testing/web-platform/tests/svg/extensibility/foreignObject/composited-inside-object.html
new file mode 100644
index 0000000000..caa613bb46
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/composited-inside-object.html
@@ -0,0 +1,13 @@
+<!doctype HTML>
+<title>Compositing inside a non-stacking-context object works.</title>
+<link rel="author" title="Chris Harrelson" href="chrishtr@chromium.org">
+<link rel="match" href="composited-inside-object-ref.html">
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+
+<object style="display: block; backface-visibility:hidden">
+ <svg>
+ <foreignObject>
+ <div style="will-change: transform">Test</div>
+ </foreignObject>
+ </svg>
+</object>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/compositing-backface-visibility-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/compositing-backface-visibility-ref.html
new file mode 100644
index 0000000000..790e90c635
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/compositing-backface-visibility-ref.html
@@ -0,0 +1,8 @@
+<!doctype HTML>
+<title>Basic backface-visibility compositing works reference</title>
+<link rel="author" title="Chris Harrelson" href="chrishtr@chromium.org">
+<svg>
+ <foreignObject>
+ <div>Test</div>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/compositing-backface-visibility.html b/testing/web-platform/tests/svg/extensibility/foreignObject/compositing-backface-visibility.html
new file mode 100644
index 0000000000..1551e25f8f
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/compositing-backface-visibility.html
@@ -0,0 +1,13 @@
+<!doctype HTML>
+<title>Basic backface-visibility compositing works.</title>
+<link rel="author" title="Chris Harrelson" href="chrishtr@chromium.org">
+<link rel="match" href="compositing-backface-visibility-ref.html">
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+<style>
+ * { backface-visibility: hidden }
+</style>
+<svg>
+ <foreignObject>
+ <div style="will-change: transform">Test</div>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/containing-block.html b/testing/web-platform/tests/svg/extensibility/foreignObject/containing-block.html
new file mode 100644
index 0000000000..da0728c96b
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/containing-block.html
@@ -0,0 +1,46 @@
+<!doctype HTML>
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+<style>
+ * {
+ margin: 5px;
+ }
+ .el {
+ background: lightblue;
+ width: 50px;
+ height: 60px;
+ }
+ .pos {
+ top: 5px;
+ left: 6px;
+ }
+</style>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<svg>
+ <foreignObject id="first" width=100 height=100>
+ <div id=contained class="el" style="width: 50px; height: 60px;"></div>
+ <div id=containedrel class="el pos" style="position: relative"></div>
+ <div id=containedabs class="el pos" style="position: absolute"></div>
+ <div id=containedfixed class="el pos" style="position: fixed"></div>
+ </foreignObject>
+</svg>
+<script>
+function checkPosition(el, offsetLeftVal, offsetTopVal, boundingRectLeft, boundingRectTop) {
+ assert_equals(el.offsetLeft, offsetLeftVal, "offsetLeft");
+ assert_equals(el.offsetTop, offsetTopVal, "offsetTop");
+ assert_equals(el.getBoundingClientRect().left, boundingRectLeft, "boundingRectLeft");
+ assert_equals(el.getBoundingClientRect().top, boundingRectTop, "boundingRectTop");
+}
+
+test(function() {
+ // Test that #first is a containing block for all descendants.
+ var contained = document.getElementById('contained');
+ var containedrel = document.getElementById('containedrel');
+ var containedabs = document.getElementById('containedabs');
+ var containedfixed = document.getElementById('containedfixed');
+ checkPosition(contained, 5, 5, 20, 20);
+ checkPosition(containedrel, 11, 75, 26, 90);
+ checkPosition(containedabs, 11, 10, 26, 25);
+ checkPosition(containedfixed, 11, 10, 26, 25);
+}, "position");
+</script>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/filter-repaint-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/filter-repaint-ref.html
new file mode 100644
index 0000000000..07563a617a
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/filter-repaint-ref.html
@@ -0,0 +1,15 @@
+<html>
+ <svg>
+ <foreignObject style="overflow: visible;"
+ width="400" height="400" filter="url(#blur)">
+ <div id=target>test</div>
+ </foreignObject>
+ <g>
+ <defs>
+ <filter id="blur">
+ <feGaussianBlur stdDeviation="0.1"/>
+ </filter>
+ </defs>
+ </g>
+ </svg>
+</html>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/filter-repaint.html b/testing/web-platform/tests/svg/extensibility/foreignObject/filter-repaint.html
new file mode 100644
index 0000000000..0388977841
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/filter-repaint.html
@@ -0,0 +1,24 @@
+<!doctype HTML>
+<title>Test that re-painting a foreignObject element with a filter works.</title>
+<link rel="match" href="filter-repaint-ref.html">
+<link rel="author" title="Chris Harrelson" href="mailto:chrishtr@chromium.org">
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+<svg>
+ <foreignObject style="overflow: visible;"
+ width="400" height="400" filter="url(#blur)">
+ <div id=target>test</div>
+ </foreignObject>
+ <g>
+ <defs>
+ <filter id="blur">
+ <feGaussianBlur stdDeviation="0.1"/>
+ </filter>
+ </defs>
+ </g>
+</svg>
+<script>
+onload = () => {
+ requestAnimationFrame(() => requestAnimationFrame(() =>
+ target.style.width = '11px'));
+}
+</script>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-circular-filter-reference-crash.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-circular-filter-reference-crash.html
new file mode 100644
index 0000000000..162999402a
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-circular-filter-reference-crash.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<title>Should not crash on circular filter reference containing a foreignObject.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>test(()=>{})</script>
+<svg id="svg" filter="url(#filter)">
+ <foreignObject overflow="hidden"></foreignObject>
+</svg>
+<svg>
+ <filter id="filter">
+ <feImage xlink:href="#svg"></feImage>
+ </filter>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-margin-collapsing.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-margin-collapsing.html
new file mode 100644
index 0000000000..49320f9573
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-margin-collapsing.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement">
+<link rel="help" href="https://www.w3.org/TR/CSS22/box.html#collapsing-margins">
+<link rel="match" href="foreign-object-size-ref.html">
+<svg>
+ <foreignobject width="100" height="100" style="background:red;">
+ <div style="margin:100px 0;">
+ <div style="margin:100px 0;"></div>
+ </div>
+ <div style="margin:100px 0;">
+ <div style="margin:100px 0;"></div>
+ </div>
+ <div style="margin-top:-100px; height:100px; background:green;"></div>
+ </foreignobject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-paints-before-rect-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-paints-before-rect-ref.html
new file mode 100644
index 0000000000..a0a8692602
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-paints-before-rect-ref.html
@@ -0,0 +1,12 @@
+<!doctype HTML>
+<!doctype HTML>
+<style>
+* {
+ margin: 0
+}
+</style>
+<svg style="width: 500px; height: 500px">
+ <rect x="0" y="0" width="100%" height="100%" style="fill: blue"/>
+ <rect x="0" y="0" width="50%" height="50%"/>
+</svg>
+
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-paints-before-rect.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-paints-before-rect.html
new file mode 100644
index 0000000000..5757d07a09
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-paints-before-rect.html
@@ -0,0 +1,16 @@
+<!doctype HTML>
+<link rel="match" href="foreign-object-paints-before-rect-ref.html">
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+<style>
+* {
+ margin: 0
+}
+</style>
+<!-- Test that the <foreignObject> root element paints in element order
+within the SVG, but content within it is atomic. -->
+<svg style="width: 500px; height: 500px">
+ <foreignObject width="100%" height="100%">
+ <div style="width: 500px; height: 500px; background: blue"></div>
+ </foreignObject>
+ <rect x="0" y="0" width="50%" height="50%"/>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-scale-scroll-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-scale-scroll-ref.html
new file mode 100644
index 0000000000..a2217fed5d
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-scale-scroll-ref.html
@@ -0,0 +1,8 @@
+<!doctype html>
+<svg width="400" height="400">
+ <foreignObject x="200" y="200" width="200" height="200">
+ <div style="width: 100px; height: 100px; transform: scale(2); transform-origin: 0 0; overflow: scroll">
+ <div style="width: 1000px; height: 1000px; background: blue"></div>
+ </div>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-scale-scroll.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-scale-scroll.html
new file mode 100644
index 0000000000..72ce40dc5c
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-scale-scroll.html
@@ -0,0 +1,9 @@
+<!doctype html>
+<title>foreignObject with scale transform and overflow:scroll</title>
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+<link rel="match" href="foreign-object-scale-scroll-ref.html">
+<svg width="400" height="400">
+ <foreignObject x="100" y="100" transform="scale(2)" width="100" height="100" style="overflow: scroll">
+ <div style="width: 1000px; height: 1000px; background: blue"></div>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-size-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-size-ref.html
new file mode 100644
index 0000000000..e0b17a2c4a
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-size-ref.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Reference</title>
+<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
+<style>
+div { width: 100px; height: 100px; background-color: green; }
+</style>
+<div></div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-size.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-size.html
new file mode 100644
index 0000000000..91fc3ef7fe
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-size.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Test: auto values for width and height properties on foreignObject compute to zero</title>
+<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
+<link rel="help" href="https://svgwg.org/svg2-draft/geometry.html#Sizing">
+<link rel="match" href="foreign-object-size-ref.html">
+<style>
+div { width: 100px; height: 100px; }
+</style>
+<svg>
+ <foreignObject width="100" height="100">
+ <div style="background-color: green;"></div>
+ </foreignObject>
+ <!--
+ The foreignObject takes its size from its width and height properties.
+ Unlike HTML elements, a value of auto for these properties (as omitting
+ the width="" and height="" presentation attributes will do) will compute
+ to zero, causing it not to be rendered.
+ -->
+ <foreignObject>
+ <div style="background-color: red;"></div>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-under-clip-path-crash.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-under-clip-path-crash.html
new file mode 100644
index 0000000000..c1d2b3a7e9
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-under-clip-path-crash.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<title>Should not crash on foreignObject under clipPath</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>test(()=>{})</script>
+<svg>
+ <clipPath>
+ <foreignObject>ABC</foreignObject>
+ </clipPath>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-under-defs-crash.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-under-defs-crash.html
new file mode 100644
index 0000000000..08c47454b6
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-under-defs-crash.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<title>Should not crash on foreignObject under defs</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>test(()=>{})</script>
+<div style="will-change: opacity; mix-blend-mode: exclusion;"></div>
+<svg>
+ <defs>
+ <foreignObject width="100" height="100">
+ <div style="will-change: opacity;">FAIL</div>
+ </foreignObject>
+ </defs>
+</svg>
+<div style="will-change: opacity;"></div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-with-position-under-clip-path.html b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-with-position-under-clip-path.html
new file mode 100644
index 0000000000..a6d34bfff1
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/foreign-object-with-position-under-clip-path.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<title>Test: x & y on foreignObject don't transform a clipPath with clipPathUnits="objectBoundingBox"</title>
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement">
+<link rel="match" href="foreign-object-size-ref.html">
+<svg>
+ <defs>
+ <clipPath id="clip" clipPathUnits="objectBoundingBox">
+ <rect width="1" height="0.5" />
+ </clipPath>
+ </defs>
+ <g transform="translate(-50 -50)">
+ <foreignObject x="50" y="50" width="100" height="200" clip-path="url(#clip)">
+ <html xmlns="http://www.w3.org/1999/xhtml">
+ <body>
+ <div style="background: green; height: 100px;"></div>
+ <div style="background: red; height: 100px;"></div>
+ </body>
+ </html>
+ </foreignObject>
+ </g>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/getboundingclientrect.html b/testing/web-platform/tests/svg/extensibility/foreignObject/getboundingclientrect.html
new file mode 100644
index 0000000000..82941bd14b
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/getboundingclientrect.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<title>foreignObject: Element.prototype.getBoundingClientRect()</title>
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement">
+<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-getboundingclientrect">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+#descendant {
+ width: 100px;
+ height: 60px;
+ margin: 6px 12px;
+ background-color: blue;
+}
+</style>
+<svg>
+ <foreignObject x="20" y="10" width="200" height="100">
+ <div id="descendant"></div>
+ </foreignObject>
+</svg>
+<script>
+function checkBoundingRect(element, bounds) {
+ let boundingRect = element.getBoundingClientRect();
+ for (let prop of ['left', 'top', 'width', 'height'])
+ assert_equals(boundingRect[prop], bounds[prop], prop);
+}
+
+test(function() {
+ checkBoundingRect(document.querySelector('foreignObject'),
+ { left: 28, top: 18, width: 200, height: 100 });
+ checkBoundingRect(document.querySelector('foreignObject > div'),
+ { left: 40, top: 24, width: 100, height: 60 });
+});
+</script>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html-ref.html
new file mode 100644
index 0000000000..91ccd6165f
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html-ref.html
@@ -0,0 +1,2 @@
+<!DOCTYPE html>
+<div style="width: 200px; height: 200px; background: lime; mix-blend-mode: difference"></div> \ No newline at end of file
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html.html b/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html.html
new file mode 100644
index 0000000000..df9f64824b
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<title>foreignObject should create an isolated group for html descendants</title>
+<meta name="assert" content="ForeignObject creates a stacking context which is an isolated group, so mix-blend-mode should not be affected by content outside the isolated group." />
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#render-EstablishingStackingContex" />
+<link rel="help" href="https://drafts.fxtf.org/compositing-2/#csscompositingrules_CSS" />
+<link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org" />
+<link rel="match" href="isolation-with-html-ref.html" />
+<svg xmlns="http://www.w3.org/2000/svg" width="200px" height="200px">
+ <rect x="0" y="0" width="200" height="200" style="fill: yellow" />
+ <foreignObject width="200" height="200">
+ <div style="width: 200px; height: 200px; background: lime; mix-blend-mode: difference"></div>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg-ref.html
new file mode 100644
index 0000000000..91ccd6165f
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg-ref.html
@@ -0,0 +1,2 @@
+<!DOCTYPE html>
+<div style="width: 200px; height: 200px; background: lime; mix-blend-mode: difference"></div> \ No newline at end of file
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg.html b/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg.html
new file mode 100644
index 0000000000..df5b37c8a6
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<title>foreignObject should create an isolated group for svg descendants</title>
+<meta name="assert" content="ForeignObject creates a stacking context which is an isolated group, so mix-blend-mode should not be affected by content outside the isolated group." />
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#render-EstablishingStackingContex" />
+<link rel="help" href="https://drafts.fxtf.org/compositing-2/#csscompositingrules_CSS" />
+<link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org" />
+<link rel="match" href="isolation-with-svg-ref.html" />
+<svg xmlns="http://www.w3.org/2000/svg" width="200px" height="200px">
+ <rect x="0" y="0" width="200" height="200" style="fill: yellow" />
+ <foreignObject width="200" height="200">
+ <svg xmlns="http://www.w3.org/2000/svg" width="200px" height="200px">
+ <rect x="0" y="0" width="200" height="200" style="fill: lime; mix-blend-mode: difference" />
+ </svg>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/masked-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/masked-ref.html
new file mode 100644
index 0000000000..1a3b13c945
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/masked-ref.html
@@ -0,0 +1,2 @@
+<!doctype HTML>
+<div style="width: 32px; height: 32px; background: green; overflow: hidden; border-radius: 50%"></div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/masked.html b/testing/web-platform/tests/svg/extensibility/foreignObject/masked.html
new file mode 100644
index 0000000000..1c7a332d7f
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/masked.html
@@ -0,0 +1,14 @@
+<!doctype HTML>
+<title>Tests that an SVG mask applies to a foreignObject element</title>
+<link rel="match" href="masked-ref.html">
+<link rel="author" title="Chris Harrelson" href="mailto:chrishtr@chromium.org">
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+<meta name="fuzzy" content="maxDifference=0-37; totalPixels=0-124">
+<svg style="display: block">
+ <foreignObject x="0" y="0" width="32" height="32" mask="url(#circle)">
+ <div style="width: 32px; height: 32px; background: green"></div>
+ </foreignObject>
+ <mask id="circle" maskContentUnits="objectBoundingBox" viewBox="0 0 1 1">
+ <circle fill="white" cx="0.5" cy="0.5" r="0.5"></circle>
+ </mask>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/overlapped-positioned-and-will-change-transform-descendant.html b/testing/web-platform/tests/svg/extensibility/foreignObject/overlapped-positioned-and-will-change-transform-descendant.html
new file mode 100644
index 0000000000..e5c6a1b99c
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/overlapped-positioned-and-will-change-transform-descendant.html
@@ -0,0 +1,31 @@
+<!doctype html>
+<title>fO with positioned descendants overlapping a fO with 'will-change: transform' child</title>
+<link rel="match" href="../../struct/reftests/reference/green-100x100.html">
+<style>
+ #outer {
+ position: relative;
+ width: 50px;
+ margin: 0 25px;
+ background-color: red;
+ }
+ #inner {
+ position: relative;
+ width: 50px;
+ height: 100px;
+ background-color: green;
+ }
+ #willtransform {
+ will-change: transform;
+ width: 100px;
+ height: 100px;
+ background-color: green;
+ }
+</style>
+<svg>
+ <foreignObject width="100" height="100">
+ <div id="willtransform"></div>
+ </foreignObject>
+ <foreignObject width="100" height="100">
+ <div id="outer"><div id="inner"></div></div>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/position-svg-root-in-foreign-object-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/position-svg-root-in-foreign-object-ref.html
new file mode 100644
index 0000000000..668eb9b8c7
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/position-svg-root-in-foreign-object-ref.html
@@ -0,0 +1,6 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>SVG Reftest Reference</title>
+<link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org">
+<p>You should see the word PASS and no red below.</p>
+PASS
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/position-svg-root-in-foreign-object.html b/testing/web-platform/tests/svg/extensibility/foreignObject/position-svg-root-in-foreign-object.html
new file mode 100644
index 0000000000..fd32d2a961
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/position-svg-root-in-foreign-object.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>SVG: svg root child of foreignObject should be positionable</title>
+<link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org">
+<link rel="help" href="https://svgwg.org/svg2-draft/embedded.html#ForeignObjectElement">
+<link rel="match" href="position-svg-root-in-foreign-object-ref.html">
+<p>You should see the word PASS and no red below.</p>
+<svg>
+ <foreignObject width="200" height="200">
+ PASS
+ <svg style="position:absolute; left: -1000px; width:100px; height: 100px; background: red"></svg>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/properties.svg b/testing/web-platform/tests/svg/extensibility/foreignObject/properties.svg
new file mode 100644
index 0000000000..dd198f177d
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/properties.svg
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+ xmlns:h="http://www.w3.org/1999/xhtml">
+ <metadata>
+ <h:link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+ <h:link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#styling-PresentationAttributes"/>
+ <h:meta name="assert" content="x y width height are presentation attributes of foreignObject"/>
+ </metadata>
+ <style>
+ .c {
+ x: 10px;
+ y: 20px;
+ width: 30px;
+ height: 40px;
+ }
+ </style>
+ <foreignObject id="first"></foreignObject>
+ <foreignObject id="second" class="c"></foreignObject>
+ <foreignObject id="third" x="50" y="60" width="70" height="80"></foreignObject>
+ <foreignObject id="fourth" x="50" y="60" width="70" height="80" class="c"></foreignObject>
+ <h:script src="/resources/testharness.js"/>
+ <h:script src="/resources/testharnessreport.js"/>
+ <script><![CDATA[
+ test(function() {
+ var first = document.getElementById('first');
+ assert_equals(getComputedStyle(first).x, "0px");
+ assert_equals(getComputedStyle(first).y, "0px");
+ assert_equals(getComputedStyle(first).width, "0px");
+ assert_equals(getComputedStyle(first).height, "0px");
+ }, 'width and height default to auto (which computes to "0px")');
+
+ test(function() {
+ var second = document.getElementById('second');
+ assert_equals(getComputedStyle(second).x, "10px");
+ assert_equals(getComputedStyle(second).y, "20px");
+ assert_equals(getComputedStyle(second).width, "30px");
+ assert_equals(getComputedStyle(second).height, "40px");
+ }, 'style rules are applied');
+
+ test(function() {
+ var third = document.getElementById('third');
+ assert_equals(getComputedStyle(third).x, "50px");
+ assert_equals(getComputedStyle(third).y, "60px");
+ assert_equals(getComputedStyle(third).width, "70px");
+ assert_equals(getComputedStyle(third).height, "80px");
+ }, 'attributes set properties');
+
+ test(function() {
+ var fourth = document.getElementById('fourth');
+ assert_equals(getComputedStyle(fourth).x, "10px");
+ assert_equals(getComputedStyle(fourth).y, "20px");
+ assert_equals(getComputedStyle(fourth).width, "30px");
+ assert_equals(getComputedStyle(fourth).height, "40px");
+ }, 'style rules override attributes');
+ ]]></script>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/scroll-transform-nested-stacked-children-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/scroll-transform-nested-stacked-children-ref.html
new file mode 100644
index 0000000000..4847be91e0
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/scroll-transform-nested-stacked-children-ref.html
@@ -0,0 +1,6 @@
+<!DOCTYPE html>
+<div style="height: 200px; overflow: scroll; background: white">
+ <div style="display: inline-block; width: 300px; height: 300px">
+ <div style="background: green; width: 100px; height: 100px; position: relative; top: 50px; left: 50px"></div>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/scroll-transform-nested-stacked-children.html b/testing/web-platform/tests/svg/extensibility/foreignObject/scroll-transform-nested-stacked-children.html
new file mode 100644
index 0000000000..d57289f02c
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/scroll-transform-nested-stacked-children.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<title>foreignObject under scroll and transform, with nested stacked children</title>
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#render-EstablishingStackingContex">
+<link rel="match" href="scroll-transform-nested-stacked-children-ref.html">
+<div style="height: 200px; overflow: scroll; background: white">
+ <svg width="300" height="300">
+ <g transform="translate(50, 50)">
+ <foreignObject width="100" height="100">
+ <div style="background: red; width: 100px; height: 100px; position: relative">
+ <div style="background: green; width: 100px; height: 100px; position: relative"></div>
+ </div>
+ </foreignObject>
+ </g>
+ </svg>
+</div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/stacking-context-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/stacking-context-ref.html
new file mode 100644
index 0000000000..28e7e310c0
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/stacking-context-ref.html
@@ -0,0 +1,18 @@
+<!doctype HTML>
+<style>
+ * {
+ margin: 0;
+ }
+ .el {
+ width: 50px;
+ height: 60px;
+ }
+
+</style>
+<div style="isolation: isolate">
+ <div class="el"
+ style="position: absolute; z-index: 1; top: 40px; left: 10px; border: 1px solid black; background: lightblue"></div>
+ <div class="el"
+ style="position: absolute; z-index: 2; top: 5px; left: 5px; border: 1px solid black; background: lightgreen"></div>
+</div>
+<div id=top class="el" style="position: relative; background: lightgray; top: 50px"></div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/stacking-context.html b/testing/web-platform/tests/svg/extensibility/foreignObject/stacking-context.html
new file mode 100644
index 0000000000..dfad5a175f
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/stacking-context.html
@@ -0,0 +1,26 @@
+<!doctype HTML>
+<title>Test that the foreignObject element is a stacking context</title>
+<link rel="match" href="stacking-context-ref.html">
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+<style>
+ * {
+ margin: 0;
+ }
+ .el {
+ width: 50px;
+ height: 60px;
+ }
+
+</style>
+ <!-- Test that the <foreignObject> root element is a stacking context, so z-index here
+ has no effect on order w.r.t. #top, but still does for stacking under
+ foreignObject -->
+<svg style="width: 50px; height: 50px; overflow: visible; display: block">
+ <foreignObject width=100 height=200>
+ <div class="el"
+ style="position: absolute; z-index: 1; top: 40px; left: 10px; border: 1px solid black; background: lightblue"></div>
+ <div class="el"
+ style="position: absolute; z-index: 2; top: 5px; left: 5px; border: 1px solid black; background: lightgreen"></div>
+ </foreignObject>
+</svg>
+<div id=top class="el" style="position: relative; background: lightgray"></div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-foreign-object-paint-order-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-foreign-object-paint-order-ref.html
new file mode 100644
index 0000000000..684de0cf0c
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-foreign-object-paint-order-ref.html
@@ -0,0 +1,2 @@
+<!doctype html>
+<div style="width: 100px; height: 100px; background: green"></div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-foreign-object-paint-order.html b/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-foreign-object-paint-order.html
new file mode 100644
index 0000000000..b6f50cfa75
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-foreign-object-paint-order.html
@@ -0,0 +1,11 @@
+<!doctype html>
+<title>A foreignObject element containing will-change content is painted in correct order</title>
+<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#embedded-ForeignObjectElement"/>
+<link rel="author" title="Xianzhu Wang" href="mailto:wangxianzhu@chromium.org">
+<link rel="match" href="will-change-in-foreign-object-paint-order-ref.html">
+<svg style="width: 100px; height: 100px;">
+ <foreignObject width="100" height="100">
+ <div style="will-change: transform; width: 100px; height: 100px; background: red"></div>
+ </foreignObject>
+ <rect width="100" height="100" fill="green"></rect>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-transformed-foreign-object-ref.html b/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-transformed-foreign-object-ref.html
new file mode 100644
index 0000000000..1e66eb9909
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-transformed-foreign-object-ref.html
@@ -0,0 +1,5 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Reference for a transformed foreignObject element containing will-change content</title>
+<p>You should see a 100x100 green box horizontally offset by 50px. No red should be visible.</p>
+<div style="will-change: transform; transform: translate(50px, 0); width: 100px; height: 100px; background: green;"></div>
diff --git a/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-transformed-foreign-object.html b/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-transformed-foreign-object.html
new file mode 100644
index 0000000000..4b6e940b2f
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/foreignObject/will-change-in-transformed-foreign-object.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Test that a transformed foreignObject element can contain will-change content</title>
+<link rel="match" href="will-change-in-transformed-foreign-object-ref.html">
+<link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org">
+<p>You should see a 100x100 green box horizontally offset by 50px. No red should be visible.</p>
+<svg style="width: 500px; height: 500px;">
+ <rect id="should-be-hidden" width="100" height="100" fill="red" x="50" y="0"></rect>
+ <foreignObject width="400" height="200" transform="translate(50,0)">
+ <div style="will-change: transform; width: 100px; height: 100px; background: green;"></div>
+ </foreignObject>
+</svg>
diff --git a/testing/web-platform/tests/svg/extensibility/interfaces/foreignObject-graphics.svg b/testing/web-platform/tests/svg/extensibility/interfaces/foreignObject-graphics.svg
new file mode 100644
index 0000000000..7745e91f0a
--- /dev/null
+++ b/testing/web-platform/tests/svg/extensibility/interfaces/foreignObject-graphics.svg
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+ xmlns:h="http://www.w3.org/1999/xhtml">
+ <metadata>
+ <link xmlns="http://www.w3.org/1999/xhtml" rel="help" href="https://www.w3.org/TR/SVG2/embedded.html#InterfaceSVGForeignObjectElement"/>
+ <link xmlns="http://www.w3.org/1999/xhtml" rel="help" href="https://svgwg.org/svg2-draft/changes.html#extend"/>
+ <meta xmlns="http://www.w3.org/1999/xhtml" name="assert" content="foreignObject is a graphics element"/>
+ </metadata>
+ <foreignObject id="target" />
+ <h:script src="/resources/testharness.js"/>
+ <h:script src="/resources/testharnessreport.js"/>
+ <h:script><![CDATA[
+ test(function() {
+ var target = document.getElementById('target');
+ assert_equals(Object.getPrototypeOf(Object.getPrototypeOf(target)), SVGGraphicsElement.prototype);
+ });
+ ]]></h:script>
+</svg>