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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/custom-elements/htmlconstructor
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/custom-elements/htmlconstructor')
-rw-r--r--testing/web-platform/tests/custom-elements/htmlconstructor/newtarget-customized-builtins.html116
-rw-r--r--testing/web-platform/tests/custom-elements/htmlconstructor/newtarget.html130
2 files changed, 246 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/htmlconstructor/newtarget-customized-builtins.html b/testing/web-platform/tests/custom-elements/htmlconstructor/newtarget-customized-builtins.html
new file mode 100644
index 0000000000..60c63936d4
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/htmlconstructor/newtarget-customized-builtins.html
@@ -0,0 +1,116 @@
+<!DOCTYPE html>
+<title>Custom Elements: [HTMLConstructor] derives prototype from NewTarget</title>
+<meta name="author" title="Domenic Denicola" href="mailto:d@domenic.me">
+<meta name="help" content="https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../resources/custom-elements-helpers.js"></script>
+<body>
+<script>
+"use strict";
+
+[null, undefined, 5, "string"].forEach(function (notAnObject) {
+ test_with_window(w => {
+ // We have to return an object during define(), but not during super()
+ let returnNotAnObject = false;
+
+ function TestElement() {
+ const o = Reflect.construct(w.HTMLParagraphElement, [], new.target);
+
+ assert_equals(Object.getPrototypeOf(o), window.HTMLParagraphElement.prototype,
+ "Must use the HTMLParagraphElement from the realm of NewTarget");
+ assert_not_equals(Object.getPrototypeOf(o), w.HTMLParagraphElement.prototype,
+ "Must not use the HTMLParagraphElement from the realm of the active function object (w.HTMLParagraphElement)");
+
+ return o;
+ }
+
+ const ElementWithDynamicPrototype = new Proxy(TestElement, {
+ get: function (target, name) {
+ if (name == "prototype")
+ return returnNotAnObject ? notAnObject : {};
+ return target[name];
+ }
+ });
+
+ w.customElements.define("test-element", ElementWithDynamicPrototype, { extends: "p" });
+
+ returnNotAnObject = true;
+ new ElementWithDynamicPrototype();
+ }, "If prototype is not object (" + notAnObject + "), derives the fallback from NewTarget's realm (customized built-in elements)");
+
+ test_with_window(w => {
+ // We have to return an object during define(), but not during super()
+ let returnNotAnObject = false;
+
+ function TestElement() {
+ const o = Reflect.construct(w.HTMLParagraphElement, [], new.target);
+
+ assert_equals(Object.getPrototypeOf(o), window.HTMLParagraphElement.prototype,
+ "Must use the HTMLParagraphElement from the realm of NewTarget");
+ assert_not_equals(Object.getPrototypeOf(o), w.HTMLParagraphElement.prototype,
+ "Must not use the HTMLParagraphElement from the realm of the active function object (w.HTMLParagraphElement)");
+
+ return o;
+ }
+
+ // Create the proxy in the subframe, which should not affect what our
+ // prototype ends up as.
+ const ElementWithDynamicPrototype = new w.Proxy(TestElement, {
+ get: function (target, name) {
+ if (name == "prototype")
+ return returnNotAnObject ? notAnObject : {};
+ return target[name];
+ }
+ });
+
+ w.customElements.define("test-element", ElementWithDynamicPrototype, { extends: "p" });
+
+ returnNotAnObject = true;
+ new ElementWithDynamicPrototype();
+ }, "If prototype is not object (" + notAnObject + "), derives the fallback from NewTarget's GetFunctionRealm (customized built-in elements)");
+});
+
+test_with_window(w => {
+ class SomeCustomElement extends HTMLParagraphElement {};
+ var getCount = 0;
+ var countingProxy = new Proxy(SomeCustomElement, {
+ get: function(target, prop, receiver) {
+ if (prop == "prototype") {
+ ++getCount;
+ }
+ return Reflect.get(target, prop, receiver);
+ }
+ });
+ w.customElements.define("failure-counting-element", countingProxy);
+ // define() gets the prototype of the constructor it's passed, so
+ // reset the counter.
+ getCount = 0;
+ assert_throws_js(TypeError,
+ function () { new countingProxy() },
+ "Should not be able to construct an HTMLParagraphElement not named 'p'");
+ assert_equals(getCount, 0, "Should never have gotten .prototype");
+}, 'HTMLParagraphElement constructor must not get .prototype until it finishes its extends sanity checks, calling proxy constructor directly');
+
+test_with_window(w => {
+ class SomeCustomElement extends HTMLParagraphElement {};
+ var getCount = 0;
+ var countingProxy = new Proxy(SomeCustomElement, {
+ get: function(target, prop, receiver) {
+ if (prop == "prototype") {
+ ++getCount;
+ }
+ return Reflect.get(target, prop, receiver);
+ }
+ });
+ w.customElements.define("failure-counting-element", countingProxy);
+ // define() gets the prototype of the constructor it's passed, so
+ // reset the counter.
+ getCount = 0;
+ assert_throws_js(TypeError,
+ function () { Reflect.construct(HTMLParagraphElement, [], countingProxy) },
+ "Should not be able to construct an HTMLParagraphElement not named 'p'");
+ assert_equals(getCount, 0, "Should never have gotten .prototype");
+}, 'HTMLParagraphElement constructor must not get .prototype until it finishes its extends sanity checks, calling via Reflect');
+</script>
+</body>
diff --git a/testing/web-platform/tests/custom-elements/htmlconstructor/newtarget.html b/testing/web-platform/tests/custom-elements/htmlconstructor/newtarget.html
new file mode 100644
index 0000000000..b6e7f34537
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/htmlconstructor/newtarget.html
@@ -0,0 +1,130 @@
+<!DOCTYPE html>
+<title>Custom Elements: [HTMLConstructor] derives prototype from NewTarget</title>
+<meta name="author" title="Domenic Denicola" href="mailto:d@domenic.me">
+<meta name="help" content="https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../resources/custom-elements-helpers.js"></script>
+<body>
+<script>
+"use strict";
+
+test_with_window(w => {
+ let beforeDefinition = true;
+ const proto1 = { "proto": "number one" };
+ const proto2 = { "proto": "number two" };
+
+ function TestElement() {
+ const o = Reflect.construct(w.HTMLElement, [], new.target);
+ assert_equals(Object.getPrototypeOf(o), proto2,
+ "Must use the value returned from new.target.prototype");
+ assert_not_equals(Object.getPrototypeOf(o), proto1,
+ "Must not use the prototype stored at definition time");
+ }
+
+ const ElementWithDynamicPrototype = new Proxy(TestElement, {
+ get: function (target, name) {
+ if (name == "prototype")
+ return beforeDefinition ? proto1 : proto2;
+ return target[name];
+ }
+ });
+
+ w.customElements.define("test-element", ElementWithDynamicPrototype);
+
+ beforeDefinition = false;
+ new ElementWithDynamicPrototype();
+}, "Use NewTarget's prototype, not the one stored at definition time");
+
+test_with_window(w => {
+ // We have to not throw during define(), but throw during super()
+ let throws = false;
+
+ let err = { name: "prototype throws" };
+ function TestElement() {
+ throws = true;
+ assert_throws_exactly(err, () => {
+ Reflect.construct(w.HTMLElement, [], new.target);
+ });
+ }
+
+ const ElementWithDynamicPrototype = new Proxy(TestElement, {
+ get: function (target, name) {
+ if (throws && name == "prototype")
+ throw err;
+ return target[name];
+ }
+ });
+
+ w.customElements.define("test-element", ElementWithDynamicPrototype);
+
+ new ElementWithDynamicPrototype();
+
+}, "Rethrow any exceptions thrown while getting the prototype");
+
+[null, undefined, 5, "string"].forEach(function (notAnObject) {
+ test_with_window(w => {
+ // We have to return an object during define(), but not during super()
+ let returnNotAnObject = false;
+
+ function TestElement() {
+ const o = Reflect.construct(w.HTMLElement, [], new.target);
+
+ assert_equals(Object.getPrototypeOf(new.target), window.Function.prototype);
+ assert_equals(Object.getPrototypeOf(o), window.HTMLElement.prototype,
+ "Must use the HTMLElement from the realm of NewTarget");
+ assert_not_equals(Object.getPrototypeOf(o), w.HTMLElement.prototype,
+ "Must not use the HTMLElement from the realm of the active function object (w.HTMLElement)");
+
+ return o;
+ }
+
+ const ElementWithDynamicPrototype = new Proxy(TestElement, {
+ get: function (target, name) {
+ if (name == "prototype")
+ return returnNotAnObject ? notAnObject : {};
+ return target[name];
+ }
+ });
+
+ w.customElements.define("test-element", ElementWithDynamicPrototype);
+
+ returnNotAnObject = true;
+ new ElementWithDynamicPrototype();
+ }, "If prototype is not object (" + notAnObject + "), derives the fallback from NewTarget's realm (autonomous custom elements)");
+
+ test_with_window(w => {
+ // We have to return an object during define(), but not during super()
+ let returnNotAnObject = false;
+
+ function TestElement() {
+ const o = Reflect.construct(w.HTMLElement, [], new.target);
+
+ assert_equals(Object.getPrototypeOf(new.target), window.Function.prototype);
+ assert_equals(Object.getPrototypeOf(o), window.HTMLElement.prototype,
+ "Must use the HTMLElement from the realm of NewTarget");
+ assert_not_equals(Object.getPrototypeOf(o), w.HTMLElement.prototype,
+ "Must not use the HTMLElement from the realm of the active function object (w.HTMLElement)");
+
+ return o;
+ }
+
+ // Create the proxy in the subframe, which should not affect what our
+ // prototype ends up as.
+ const ElementWithDynamicPrototype = new w.Proxy(TestElement, {
+ get: function (target, name) {
+ if (name == "prototype")
+ return returnNotAnObject ? notAnObject : {};
+ return target[name];
+ }
+ });
+
+ w.customElements.define("test-element", ElementWithDynamicPrototype);
+
+ returnNotAnObject = true;
+ new ElementWithDynamicPrototype();
+ }, "If prototype is not object (" + notAnObject + "), derives the fallback from NewTarget's GetFunctionRealm (autonomous custom elements)");
+});
+
+</script>
+</body>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 14:39:20 +0000