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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/custom-elements/scoped-registry
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/custom-elements/scoped-registry')
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-constructor.tentative.html27
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-multi-register.tentative.html27
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-createElement.tentative.html95
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-init-registry.tentative.html52
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-innerHTML-upgrade.tentative.html116
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/constructor-call.tentative.html42
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/constructor-reentry-with-different-definition.tentative.html137
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/scoped-registry-define-upgrade-criteria.tentative.html258
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/scoped-registry-define-upgrade-order.tentative.html217
9 files changed, 971 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-constructor.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-constructor.tentative.html
new file mode 100644
index 0000000000..d80a1fbe6c
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-constructor.tentative.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<meta name="assert" content="User code can create non-global CustomElementRegistry instances and add definitions">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+test(() => {
+ let registry = new CustomElementRegistry();
+ assert_not_equals(registry, window.customElements);
+
+ // Define an autonomous element with the new registry. It should not become a
+ // global definition.
+ class MyAutonomous extends HTMLElement {};
+ registry.define('my-autonomous', MyAutonomous);
+ assert_equals(registry.get('my-autonomous'), MyAutonomous);
+ assert_equals(window.customElements.get('my-autonomous'), undefined);
+ assert_false(document.createElement('my-autonomous') instanceof MyAutonomous);
+
+ // Do the same for a customized built-in element.
+ class MyCustomizedBuiltIn extends HTMLParagraphElement {};
+ registry.define('my-customized-builtin', MyCustomizedBuiltIn, {extends: 'p'});
+ assert_equals(registry.get('my-customized-builtin'), MyCustomizedBuiltIn);
+ assert_equals(window.customElements.get('my-customized-builtin'), undefined);
+ assert_false(document.createElement('p', {is: 'my-customized-builtin'}) instanceof MyCustomizedBuiltIn);
+}, 'Create non-global CustomElementRegistry and add definitions');
+</script>
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-multi-register.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-multi-register.tentative.html
new file mode 100644
index 0000000000..bd97017308
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-multi-register.tentative.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<meta name="assert" content="The same constructor can be registered to multiple registries">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+class MyCustom extends HTMLElement {};
+
+test(() => {
+ let registry1 = new CustomElementRegistry();
+ let registry2 = new CustomElementRegistry();
+ window.customElements.define('my-custom', MyCustom);
+ registry1.define('my-custom', MyCustom);
+ registry2.define('my-custom', MyCustom);
+
+ assert_equals(window.customElements.get('my-custom'), MyCustom);
+ assert_equals(registry1.get('my-custom'), MyCustom);
+ assert_equals(registry2.get('my-custom'), MyCustom);
+}, 'Same constructor can be registered to different registries');
+
+test(() => {
+ let registry = new CustomElementRegistry();
+ registry.define('custom-a', MyCustom);
+ assert_throws_dom('NotSupportedError', () => registry.define('custom-b', MyCustom));
+}, 'Non-global registries still reject duplicate registrations of the same constructor');
+</script>
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-createElement.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-createElement.tentative.html
new file mode 100644
index 0000000000..335773f9c6
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-createElement.tentative.html
@@ -0,0 +1,95 @@
+<!DOCTYPE html>
+<title>Tests ShadowRoot.createElement APIs work with scoped custom element registries</title>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<body>
+<script>
+class TestAutonomous extends HTMLElement {};
+class TestCustomizedBuiltIn extends HTMLParagraphElement {};
+
+function attachShadowForTest(t, registry) {
+ const host = document.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry});
+ document.body.appendChild(host);
+ t.add_cleanup(() => host.remove());
+ return shadow;
+}
+
+test(t => {
+ const registry = new CustomElementRegistry;
+ registry.define('test-element', TestAutonomous);
+
+ const shadow = attachShadowForTest(t, registry);
+ assert_true(shadow.createElement('test-element') instanceof TestAutonomous);
+
+ // Verify that it doesn't pollute other tree scopes.
+ const shadow2 = attachShadowForTest(t);
+ assert_false(shadow2.createElement('test-element') instanceof TestAutonomous);
+
+ const shadow3 = attachShadowForTest(t, new CustomElementRegistry);
+ assert_false(shadow3.createElement('test-element') instanceof TestAutonomous);
+
+ assert_false(document.createElement('test-element') instanceof TestAutonomous);
+}, 'ShadowRoot.createElement() for autonomous custom element');
+
+test(t => {
+ const html = 'http://www.w3.org/1999/xhtml';
+
+ const registry = new CustomElementRegistry;
+ registry.define('test-element', TestAutonomous);
+
+ const shadow = attachShadowForTest(t, registry);
+ assert_true(shadow.createElementNS(html, 'test-element') instanceof TestAutonomous);
+
+ // Verify that it doesn't pollute other tree scopes.
+ const shadow2 = attachShadowForTest(t);
+ assert_false(shadow2.createElementNS(html, 'test-element') instanceof TestAutonomous);
+
+ const shadow3 = attachShadowForTest(t, new CustomElementRegistry);
+ assert_false(shadow3.createElementNS(html, 'test-element') instanceof TestAutonomous);
+
+ assert_false(document.createElementNS(html, 'test-element') instanceof TestAutonomous);
+}, 'ShadowRoot.createElementNS() for autonomous custom element');
+
+test(t => {
+ const registry = new CustomElementRegistry;
+ registry.define('test-element', TestCustomizedBuiltIn, {extends: 'p'});
+
+ const shadow = attachShadowForTest(t, registry);
+ assert_true(shadow.createElement('p', {is: 'test-element'}) instanceof TestCustomizedBuiltIn);
+
+ // Verify that it doesn't pollute other tree scopes.
+ const shadow2 = attachShadowForTest(t);
+ assert_false(shadow2.createElement('p', {is: 'test-element'}) instanceof TestCustomizedBuiltIn);
+
+ const shadow3 = attachShadowForTest(t, new CustomElementRegistry);
+ assert_false(shadow3.createElement('p', {is: 'test-element'}) instanceof TestCustomizedBuiltIn);
+
+ assert_false(document.createElement('p', {is: 'test-element'}) instanceof TestCustomizedBuiltIn);
+}, 'ShadowRoot.createElement() for customized built-in element');
+
+test(t => {
+ const html = 'http://www.w3.org/1999/xhtml';
+
+ const registry = new CustomElementRegistry;
+ registry.define('test-element', TestCustomizedBuiltIn, {extends: 'p'});
+
+ const shadow = attachShadowForTest(t, registry);
+ assert_true(shadow.createElementNS(html, 'p', {is: 'test-element'}) instanceof TestCustomizedBuiltIn);
+
+ // Verify that it doesn't pollute other tree scopes.
+ const shadow2 = attachShadowForTest(t);
+ assert_false(shadow2.createElementNS(html, 'p', {is: 'test-element'}) instanceof TestCustomizedBuiltIn);
+
+ const shadow3 = attachShadowForTest(t, new CustomElementRegistry);
+ assert_false(shadow3.createElementNS(html, 'p', {is: 'test-element'}) instanceof TestCustomizedBuiltIn);
+
+ assert_false(document.createElementNS(html, 'p', {is: 'test-element'}) instanceof TestCustomizedBuiltIn);
+}, 'ShadowRoot.createElementNS() for customized built-in element');
+
+</script>
+</body>
+
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-init-registry.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-init-registry.tentative.html
new file mode 100644
index 0000000000..f9bc5b5b56
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-init-registry.tentative.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<meta name="assert" content="User code can attach CustomElementRegistry to ShadowRoot">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<script>
+function createShadowHost(testObject) {
+ let element = document.createElement('div');
+ testObject.add_cleanup(() => element.remove());
+ document.body.appendChild(element);
+ return element;
+}
+
+test(function() {
+ let host = createShadowHost(this);
+ let shadow = host.attachShadow({mode: 'open'});
+ assert_equals(shadow.registry, null);
+}, 'ShadowRoot.registry is null if not explicitly specified');
+
+test(function() {
+ let host = createShadowHost(this);
+ let shadow = host.attachShadow({mode: 'open', registry: window.customElements});
+ assert_equals(shadow.registry, window.customElements);
+}, 'Attach the global registry to a shadow root');
+
+test(function() {
+ let host = createShadowHost(this);
+ let registry = new CustomElementRegistry();
+ let shadow = host.attachShadow({mode: 'open', registry});
+ assert_equals(shadow.registry, registry);
+}, 'Attach a non-global registry to a shadow root');
+
+test(function() {
+ let registry = new CustomElementRegistry();
+ let host1 = createShadowHost(this);
+ let shadow1 = host1.attachShadow({mode: 'open', registry});
+ let host2 = createShadowHost(this);
+ let shadow2 = host2.attachShadow({mode: 'open', registry});
+ assert_equals(shadow1.registry, registry);
+ assert_equals(shadow2.registry, registry);
+}, 'Attach the same registry to multiple shadow roots');
+
+test(function() {
+ let host = createShadowHost(this);
+ let shadow = host.attachShadow({mode: 'open'});
+ shadow.registry = new CustomElementRegistry();
+ assert_equals(shadow.registry, null);
+}, 'Attaching registry to shadow root can only be done during initialization');
+</script>
+</body>
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-innerHTML-upgrade.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-innerHTML-upgrade.tentative.html
new file mode 100644
index 0000000000..e21c9dd033
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/ShadowRoot-innerHTML-upgrade.tentative.html
@@ -0,0 +1,116 @@
+<!DOCTYPE html>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<meta name="assert" content="Custom element constructors can re-enter with different definitions">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<link rel="help" href="https://github.com/WICG/webcomponents/issues/969">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<div id="testdiv"></div>
+
+<script>
+class TestAutonomous extends HTMLElement {};
+class TestCustomizedBuiltIn extends HTMLParagraphElement {};
+
+function attachShadowForTest(t, registry) {
+ const host = document.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry});
+ document.body.appendChild(host);
+ t.add_cleanup(() => host.remove());
+ return shadow;
+}
+
+test(t => {
+ const registry = new CustomElementRegistry;
+ registry.define('test-element', TestAutonomous);
+
+ const shadow = attachShadowForTest(t, registry);
+ shadow.innerHTML = '<test-element></test-element>';
+ assert_true(shadow.firstChild instanceof TestAutonomous, 'target tree scope');
+
+ // Verify that it doesn't pollute other tree scopes.
+ const shadow2 = attachShadowForTest(t);
+ shadow2.innerHTML = '<test-element></test-element>';
+ assert_false(shadow2.firstChild instanceof TestAutonomous, 'tree scope without registry');
+
+ const shadow3 = attachShadowForTest(t, new CustomElementRegistry);
+ shadow3.innerHTML = '<test-element></test-element>';
+ assert_false(shadow3.firstChild instanceof TestAutonomous, 'tree scope with different registry');
+
+ t.add_cleanup(() => testdiv.firstChild.remove());
+ testdiv.innerHTML = '<test-element></test-element>';
+ assert_false(testdiv.firstChild instanceof TestAutonomous, 'main document');
+}, 'Upgrade into autonomous custom element when inserted via innerHTML');
+
+test(t => {
+ const registry = new CustomElementRegistry;
+ const shadow = attachShadowForTest(t, registry);
+ shadow.innerHTML = '<test-element></test-element>';
+
+ const shadow2 = attachShadowForTest(t);
+ shadow2.innerHTML = '<test-element></test-element>';
+
+ const shadow3 = attachShadowForTest(t, new CustomElementRegistry);
+ shadow3.innerHTML = '<test-element></test-element>';
+
+ t.add_cleanup(() => testdiv.firstChild.remove());
+ testdiv.innerHTML = '<test-element></test-element>';
+
+ registry.define('test-element', TestAutonomous);
+
+ // Elements in the target tree scope should be upgraded.
+ assert_true(shadow.firstChild instanceof TestAutonomous, 'target tree scope');
+
+ // Verify that it doesn't pollute other tree scopes.
+ assert_false(shadow2.firstChild instanceof TestAutonomous, 'tree scope without registry');
+ assert_false(shadow3.firstChild instanceof TestAutonomous, 'tree scope with different registry');
+ assert_false(testdiv.firstChild instanceof TestAutonomous, 'main document');
+}, 'Upgrade into autonomous custom element when definition is added');
+
+test(t => {
+ const registry = new CustomElementRegistry;
+ registry.define('test-element', TestCustomizedBuiltIn, {extends: 'p'});
+
+ const shadow = attachShadowForTest(t, registry);
+ shadow.innerHTML = '<p is="test-element"></p>';
+ assert_true(shadow.firstChild instanceof TestCustomizedBuiltIn, 'target tree scope');
+
+ // Verify that it doesn't pollute other tree scopes.
+ const shadow2 = attachShadowForTest(t);
+ shadow2.innerHTML = '<p is="test-element"></p>';
+ assert_false(shadow2.firstChild instanceof TestCustomizedBuiltIn, 'tree scope without registry');
+
+ const shadow3 = attachShadowForTest(t, new CustomElementRegistry);
+ shadow3.innerHTML = '<p is="test-element"></p>';
+ assert_false(shadow3.firstChild instanceof TestCustomizedBuiltIn, 'tree scope with different registry');
+
+ t.add_cleanup(() => testdiv.firstChild.remove());
+ testdiv.innerHTML = '<p is="test-element"></p>';
+ assert_false(testdiv.firstChild instanceof TestCustomizedBuiltIn, 'main document');
+}, 'Upgrade into customized built-in element when inserted via innerHTML');
+
+test(t => {
+ const registry = new CustomElementRegistry;
+ const shadow = attachShadowForTest(t, registry);
+ shadow.innerHTML = '<p is="test-element"></p>';
+
+ const shadow2 = attachShadowForTest(t);
+ shadow2.innerHTML = '<p is="test-element"></p>';
+
+ const shadow3 = attachShadowForTest(t, new CustomElementRegistry);
+ shadow3.innerHTML = '<p is="test-element"></p>';
+
+ t.add_cleanup(() => testdiv.firstChild.remove());
+ testdiv.innerHTML = '<p is="test-element"></p>';
+
+ registry.define('test-element', TestCustomizedBuiltIn, {extends: 'p'});
+
+ // Elements in the target tree scope should be upgraded.
+ assert_true(shadow.firstChild instanceof TestCustomizedBuiltIn, 'target tree scope');
+
+ // Verify that it doesn't pollute other tree scopes.
+ assert_false(shadow2.firstChild instanceof TestCustomizedBuiltIn, 'tree scope without registry');
+ assert_false(shadow3.firstChild instanceof TestCustomizedBuiltIn, 'tree scope with different registry');
+ assert_false(testdiv.firstChild instanceof TestCustomizedBuiltIn, 'main document');
+}, 'Upgrade into customized built-in element when definition is added');
+</script>
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/constructor-call.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/constructor-call.tentative.html
new file mode 100644
index 0000000000..19a8e3f4d8
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/constructor-call.tentative.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<meta name="assert" content="Direct calls of custom element constructor use the global registry only">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<body>
+<script>
+function attachShadowForTest(t, registry) {
+ const host = document.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry});
+ document.body.appendChild(host);
+ t.add_cleanup(() => host.remove());
+ return shadow;
+}
+
+test(t => {
+ class TestElement extends HTMLElement {};
+ let registry = new CustomElementRegistry()
+ registry.define('test-element', TestElement);
+
+ let shadow = attachShadowForTest(t, registry);
+
+ assert_throws_js(TypeError, () => new TestElement);
+}, 'Calling custom element constructor directly without global registration should fail');
+
+test(t => {
+ class TestElement extends HTMLElement {};
+
+ window.customElements.define('global-test-element', TestElement);
+
+ let registry = new CustomElementRegistry()
+ registry.define('shadow-test-element', TestElement);
+ let shadow = attachShadowForTest(t, registry);
+
+ let element = new TestElement;
+ assert_equals(element.localName, 'global-test-element');
+}, 'Calling custom element constructor directly uses global registration only');
+
+</script>
+</body>
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/constructor-reentry-with-different-definition.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/constructor-reentry-with-different-definition.tentative.html
new file mode 100644
index 0000000000..dc93e3c702
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/constructor-reentry-with-different-definition.tentative.html
@@ -0,0 +1,137 @@
+<!DOCTYPE html>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<meta name="assert" content="Custom element constructors can re-enter with different definitions">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<link rel="help" href="https://github.com/WICG/webcomponents/issues/969">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<div id='test-container-1'></div>
+<div id='test-container-2'></div>
+
+<script>
+setup({allow_uncaught_exception : true});
+
+function createShadowForTest(t, registry) {
+ const host = document.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry});
+ document.body.appendChild(host);
+ t.add_cleanup(() => host.remove());
+ return shadow;
+}
+
+test(t => {
+ let needsTest = true;
+ class ReentryBeforeSuper extends HTMLElement {
+ constructor() {
+ if (needsTest) {
+ needsTest = false;
+ document.getElementById('test-container-1').innerHTML =
+ '<test-element-1></test-element-1>';
+ }
+ super();
+ }
+ };
+ window.customElements.define('test-element-1', ReentryBeforeSuper);
+
+ let registry = new CustomElementRegistry;
+ registry.define('shadow-test-element-1', ReentryBeforeSuper);
+
+ let shadow = createShadowForTest(t, registry);
+ shadow.innerHTML = '<shadow-test-element-1></shadow-test-element-1>';
+
+ let shadowElement = shadow.firstChild;
+ assert_true(shadowElement instanceof ReentryBeforeSuper);
+ assert_equals(shadowElement.localName, 'shadow-test-element-1');
+
+ let mainDocElement = document.getElementById('test-container-1').firstChild;
+ assert_true(mainDocElement instanceof ReentryBeforeSuper);
+ assert_equals(mainDocElement.localName, 'test-element-1');
+}, 'Re-entry via upgrade before calling super()');
+
+test(t => {
+ let needsTest = true;
+ class ReentryAfterSuper extends HTMLElement {
+ constructor() {
+ super();
+ if (needsTest) {
+ needsTest = false;
+ document.getElementById('test-container-2').innerHTML =
+ '<test-element-2></test-element-2>';
+ }
+ }
+ };
+ window.customElements.define('test-element-2', ReentryAfterSuper);
+
+ let registry = new CustomElementRegistry;
+ registry.define('shadow-test-element-2', ReentryAfterSuper);
+
+ let shadow = createShadowForTest(t, registry);
+ shadow.innerHTML = '<shadow-test-element-2></shadow-test-element-2>';
+
+ let shadowElement = shadow.firstChild;
+ assert_true(shadowElement instanceof ReentryAfterSuper);
+ assert_equals(shadowElement.localName, 'shadow-test-element-2');
+
+ let mainDocElement = document.getElementById('test-container-2').firstChild;
+ assert_true(mainDocElement instanceof ReentryAfterSuper);
+ assert_equals(mainDocElement.localName, 'test-element-2');
+}, 'Re-entry via upgrade after calling super()');
+
+test(t => {
+ let needsTest = true;
+ let elementByNestedCall;
+ class ReentryByDirectCall extends HTMLElement {
+ constructor() {
+ if (needsTest) {
+ needsTest = false;
+ elementByNestedCall = new ReentryByDirectCall;
+ }
+ super();
+ }
+ }
+ window.customElements.define('test-element-3', ReentryByDirectCall);
+
+ let registry = new CustomElementRegistry;
+ registry.define('shadow-test-element-3', ReentryByDirectCall);
+
+ let shadow = createShadowForTest(t, registry);
+ shadow.innerHTML = '<shadow-test-element-3></shadow-test-element-3>';
+
+ let shadowElement = shadow.firstChild;
+ assert_true(shadowElement instanceof ReentryByDirectCall);
+ assert_equals(shadowElement.localName, 'shadow-test-element-3');
+
+ // Nested constructor call makes the following `super()` fail, and we should
+ // end up creating only one element.
+ assert_equals(elementByNestedCall, shadowElement);
+}, 'Re-entry via direct constructor call before calling super()');
+
+test(t => {
+ let needsTest = true;
+ let elementByNestedCall;
+ class ReentryByDirectCall extends HTMLElement {
+ constructor() {
+ super();
+ if (needsTest) {
+ needsTest = false;
+ elementByNestedCall = new ReentryByDirectCall;
+ }
+ }
+ }
+ window.customElements.define('test-element-4', ReentryByDirectCall);
+
+ let registry = new CustomElementRegistry;
+ registry.define('shadow-test-element-4', ReentryByDirectCall);
+
+ let shadow = createShadowForTest(t, registry);
+ shadow.innerHTML = '<shadow-test-element-4></shadow-test-element-4>';
+
+ let shadowElement = shadow.firstChild;
+ assert_true(shadowElement instanceof ReentryByDirectCall);
+ assert_equals(shadowElement.localName, 'shadow-test-element-4');
+
+ // Nested constructor call should be blocked.
+ assert_false(elementByNestedCall instanceof ReentryByDirectCall);
+}, 'Re-entry via direct constructor call after calling super()');
+</script>
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/scoped-registry-define-upgrade-criteria.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/scoped-registry-define-upgrade-criteria.tentative.html
new file mode 100644
index 0000000000..d3d5d4fb96
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/scoped-registry-define-upgrade-criteria.tentative.html
@@ -0,0 +1,258 @@
+<!DOCTYPE html>
+<title>Tests which nodes are upgraded after adding a scoped custom element definition</title>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<link rel="help" href="https://github.com/WICG/webcomponents/issues/923">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<body>
+
+<script>
+function attachShadowForTest(t, registry) {
+ const host = document.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry});
+ document.body.appendChild(host);
+ t.add_cleanup(() => host.remove());
+ return shadow;
+}
+
+function createIFrameForTest(t) {
+ const iframe = document.createElement('iframe');
+ document.body.appendChild(iframe);
+ if (!iframe.contentDocument.body) {
+ iframe.contentDocument.body = iframe.contentDocument.createElement('body');
+ }
+ t.add_cleanup(() => iframe.remove());
+ return iframe;
+}
+
+let definitionCount = 0;
+function nextCustomElementName() {
+ return `test-element-${++definitionCount}`;
+}
+
+test(t => {
+ const name = nextCustomElementName();
+ document.body.appendChild(document.createElement(name));
+
+ const registry = new CustomElementRegistry;
+ const shadow = attachShadowForTest(t, registry);
+ shadow.appendChild(document.createElement(name));
+
+ class TestElement extends HTMLElement {};
+ customElements.define(name, TestElement);
+
+ assert_true(document.querySelector(name) instanceof TestElement);
+ assert_false(shadow.querySelector(name) instanceof TestElement);
+}, 'Adding definition to global registry should not affect shadow roots using scoped registry');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const shadow1 = attachShadowForTest(t, customElements);
+ shadow1.appendChild(document.createElement(name));
+
+ const shadow2 = attachShadowForTest(t);
+ shadow2.appendChild(document.createElement(name));
+
+ class TestElement extends HTMLElement {};
+ customElements.define(name, TestElement);
+
+ assert_true(shadow1.querySelector(name) instanceof TestElement);
+ assert_true(shadow2.querySelector(name) instanceof TestElement);
+}, 'Adding definition to global registry should affect shadow roots also using global registry');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const registry = new CustomElementRegistry;
+ const shadow1 = attachShadowForTest(t, registry);
+ shadow1.appendChild(document.createElement(name));
+
+ const shadow2 = attachShadowForTest(t, registry);
+ shadow2.appendChild(document.createElement(name));
+
+ class TestElement extends HTMLElement {};
+ registry.define(name, TestElement);
+
+ assert_true(shadow1.querySelector(name) instanceof TestElement);
+ assert_true(shadow2.querySelector(name) instanceof TestElement);
+}, 'Adding definition to scoped registry should affect all associated shadow roots');
+
+test(t => {
+ const name = nextCustomElementName();
+ document.body.appendChild(document.createElement(name));
+
+ const registry = new CustomElementRegistry;
+ const shadow = attachShadowForTest(t, registry);
+ shadow.appendChild(document.createElement(name));
+
+ class TestElement extends HTMLElement {};
+ registry.define(name, TestElement);
+
+ assert_false(document.querySelector(name) instanceof TestElement);
+ assert_true(shadow.querySelector(name) instanceof TestElement);
+}, 'Adding definition to scoped registry should not affect document tree scope');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const registry = new CustomElementRegistry;
+ const shadow1 = attachShadowForTest(t, registry);
+ shadow1.appendChild(document.createElement(name));
+
+ const shadow2 = attachShadowForTest(t, new CustomElementRegistry);
+ shadow2.appendChild(document.createElement(name));
+
+ const shadow3 = attachShadowForTest(t);
+ shadow3.appendChild(document.createElement(name));
+
+ class TestElement extends HTMLElement {};
+ registry.define(name, TestElement);
+
+ assert_true(shadow1.querySelector(name) instanceof TestElement);
+ assert_false(shadow2.querySelector(name) instanceof TestElement);
+ assert_false(shadow3.querySelector(name) instanceof TestElement);
+}, 'Adding definition to scoped registry should not affect shadow roots using other registries');
+
+test(t => {
+ const name = nextCustomElementName();
+ const node = document.body.appendChild(document.createElement(name));
+
+ const registry = new CustomElementRegistry;
+ const shadow = attachShadowForTest(t, registry);
+ shadow.appendChild(node);
+
+ class TestElement extends HTMLElement {};
+ customElements.define(name, TestElement);
+
+ assert_false(node instanceof TestElement);
+}, 'Adding definition to global registry should not upgrade nodes no longer using the registry');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const registry = new CustomElementRegistry;
+ const shadow1 = attachShadowForTest(t, registry);
+ const node = shadow1.appendChild(document.createElement(name));
+
+ const shadow2 = attachShadowForTest(t, new CustomElementRegistry);
+ shadow2.appendChild(node);
+
+ class TestElement extends HTMLElement {};
+ registry.define(name, TestElement);
+
+ assert_false(node instanceof TestElement);
+}, 'Adding definition to scoped registry should not upgrade nodes no longer using the registry');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const registry = new CustomElementRegistry;
+ const shadow1 = attachShadowForTest(t, registry);
+ const node1 = shadow1.appendChild(document.createElement(name));
+
+ const iframe = createIFrameForTest(t);
+ const host2 = iframe.contentDocument.createElement('div');
+ const shadow2 = host2.attachShadow({mode: 'open', registry});
+ const node2 = shadow2.appendChild(iframe.contentDocument.createElement(name));
+ iframe.contentDocument.body.appendChild(host2);
+
+ class TestElement extends HTMLElement {};
+ registry.define(name, TestElement);
+
+ assert_true(node1 instanceof TestElement);
+ assert_true(node2 instanceof TestElement);
+}, 'Adding definition to scoped registry affects associated shadow roots in all iframes');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const newWindow = window.open('about:blank');
+ t.add_cleanup(() => newWindow.close());
+
+ const host = newWindow.document.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry: window.customElements});
+ const node = shadow.appendChild(newWindow.document.createElement(name));
+ newWindow.document.body.appendChild(host);
+
+ class TestElement extends HTMLElement {};
+ window.customElements.define(name, TestElement);
+
+ assert_true(node instanceof TestElement);
+}, 'Adding definition to scoped registry affects associated shadow roots in other frame trees');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const registry = new CustomElementRegistry;
+ const shadow = attachShadowForTest(t, registry);
+ const node = shadow.appendChild(document.createElement(name));
+ shadow.host.remove();
+
+ class TestElement extends HTMLElement {};
+ registry.define(name, TestElement);
+
+ assert_false(node instanceof TestElement);
+}, 'Adding definition to scoped registry should not upgrade disconnected elements');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const registry = new CustomElementRegistry;
+ const doc = document.implementation.createHTMLDocument();
+ const host = doc.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry});
+ const node = shadow.appendChild(doc.createElement(name));
+ doc.body.appendChild(host);
+
+ class TestElement extends HTMLElement {};
+ registry.define(name, TestElement);
+
+ assert_false(node instanceof TestElement);
+}, 'Adding definition to scoped registry should not upgrade nodes in constructed documents');
+
+test(t => {
+ const name = nextCustomElementName();
+
+ const iframe = createIFrameForTest(t);
+ const registry = new CustomElementRegistry;
+ const host = iframe.contentDocument.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry});
+ const node = shadow.appendChild(iframe.contentDocument.createElement(name));
+ iframe.contentDocument.body.appendChild(host);
+
+ iframe.remove();
+
+ class TestElement extends HTMLElement {};
+ registry.define(name, TestElement);
+
+ assert_false(node instanceof TestElement);
+}, 'Adding definition to scoped registry should not upgrade nodes in detached frames');
+
+promise_test(async t => {
+ const name = nextCustomElementName();
+
+ const newWindow = window.open('about:blank');
+ t.add_cleanup(() => newWindow.close());
+
+ const host = newWindow.document.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry: window.customElements});
+ const node = shadow.appendChild(newWindow.document.createElement(name));
+ newWindow.document.body.appendChild(host);
+
+ newWindow.close();
+
+ // `window.close()` is async. Wait a while until it's fully closed
+ await new Promise(resolve => setTimeout(resolve, 500));
+
+ class TestElement extends HTMLElement {};
+ window.customElements.define(name, TestElement);
+
+ assert_false(node instanceof TestElement);
+}, 'Adding definition to scoped registry should not upgrade nodes in closed windows');
+
+</script>
+
+</body>
diff --git a/testing/web-platform/tests/custom-elements/scoped-registry/scoped-registry-define-upgrade-order.tentative.html b/testing/web-platform/tests/custom-elements/scoped-registry/scoped-registry-define-upgrade-order.tentative.html
new file mode 100644
index 0000000000..4fb0f49f9f
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/scoped-registry/scoped-registry-define-upgrade-order.tentative.html
@@ -0,0 +1,217 @@
+<!DOCTYPE html>
+<title>Tests element upgrade order after adding a scoped custom element definition</title>
+<meta name="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">
+<link rel="help" href="https://wicg.github.io/webcomponents/proposals/Scoped-Custom-Element-Registries">
+<link rel="help" href="https://github.com/WICG/webcomponents/issues/923">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<body>
+
+<script>
+let definitionCount = 0;
+function nextCustomElementDefinition() {
+ const log = [];
+ const name = `test-element-${++definitionCount}`;
+ const constructor = class extends HTMLElement {
+ constructor() {
+ super();
+ log.push(this.id);
+ }
+ };
+ return {name, constructor, log};
+}
+
+function attachShadowForTest(t, {parent, registry}) {
+ parent = parent || document.body;
+ const host = parent.ownerDocument.createElement('div');
+ const shadow = host.attachShadow({mode: 'open', registry});
+ parent.appendChild(host);
+ t.add_cleanup(() => host.remove());
+ return shadow;
+}
+
+function createIFrameForTest(t, {parent, nextSibling}) {
+ parent = parent || document.body;
+ const iframe = parent.ownerDocument.createElement('iframe');
+ parent.insertBefore(iframe, nextSibling);
+ if (!iframe.contentDocument.body) {
+ iframe.contentDocument.body = iframe.contentDocument.createElement('body');
+ }
+ t.add_cleanup(() => iframe.remove());
+ return iframe;
+}
+
+test(t => {
+ const {name, constructor, log} = nextCustomElementDefinition();
+
+ const registry = new CustomElementRegistry;
+ const shadow = attachShadowForTest(t, {registry});
+ shadow.innerHTML = `
+ <${name} id="a"></${name}>
+ <${name} id="b"></${name}>
+ <${name} id="c"></${name}>
+ `;
+
+ registry.define(name, constructor);
+ assert_array_equals(log, ['a', 'b', 'c']);
+}, 'Upgrade in tree order in the same tree scope');
+
+test(t => {
+ // document
+ // +- shadow1
+ // | +- a
+ // | +- shadow2
+ // | +- b
+ // +- shadow3
+ // +- c
+
+ const {name, constructor, log} = nextCustomElementDefinition();
+ const registry = new CustomElementRegistry;
+
+ const shadow1 = attachShadowForTest(t, {registry});
+ shadow1.innerHTML = `<${name} id="a"></${name}>`;
+
+ const shadow2 = attachShadowForTest(t, {registry, parent: shadow1});
+ shadow2.innerHTML = `<${name} id="b"></${name}>`;
+
+ const shadow3 = attachShadowForTest(t, {registry});
+ shadow3.innerHTML = `<${name} id="c"></${name}>`;
+
+ registry.define(name, constructor);
+ assert_array_equals(log, ['a', 'b', 'c']);
+}, 'Upgrade in shadow-including tree order across tree scopes');
+
+test(t => {
+ // document
+ // +- shadow1
+ // | +- a
+ // | +- shadow3
+ // | +- c
+ // +- shadow2
+ // +- b
+
+ const {name, constructor, log} = nextCustomElementDefinition();
+ const registry = new CustomElementRegistry;
+
+ const shadow1 = attachShadowForTest(t, {registry});
+ shadow1.innerHTML = `<${name} id="a"></${name}>`;
+
+ const shadow2 = attachShadowForTest(t, {registry});
+ shadow2.innerHTML = `<${name} id="b"></${name}>`;
+
+ const shadow3 = attachShadowForTest(t, {registry, parent: shadow1});
+ shadow3.innerHTML = `<${name} id="c"></${name}>`;
+
+ registry.define(name, constructor);
+ assert_array_equals(log, ['a', 'c', 'b']);
+}, 'Upgrade order does not depend on shadow root attach order');
+
+test(t => {
+ // document
+ // +- iframe1
+ // | +- shadow1
+ // | | +- a
+ // | +- iframe2
+ // | +- shadow2
+ // | +- b
+ // +- shadow3
+ // +- c
+
+ const {name, constructor, log} = nextCustomElementDefinition();
+ const registry = new CustomElementRegistry;
+
+ const iframe1 = createIFrameForTest(t, {});
+ const shadow1 = attachShadowForTest(t, {registry, parent: iframe1.contentDocument.body});
+ shadow1.innerHTML = `<${name} id="a"></${name}>`;
+
+ const iframe2 = createIFrameForTest(t, {parent: iframe1.contentDocument.body});
+ const shadow2 = attachShadowForTest(t, {registry, parent: iframe2.contentDocument.body});
+ shadow2.innerHTML = `<${name} id="b"></${name}>`;
+
+ const shadow3 = attachShadowForTest(t, {registry});
+ shadow3.innerHTML = `<${name} id="c"></${name}>`;
+
+ registry.define(name, constructor);
+ assert_array_equals(log, ['a', 'b', 'c']);
+}, 'Upgrade in association order across documents, then tree order in each document');
+
+test(t => {
+ // document
+ // +- iframe2
+ // | +- shadow2
+ // | +- b
+ // +- iframe1
+ // | +- shadow1
+ // | +- a
+
+ const {name, constructor, log} = nextCustomElementDefinition();
+ const registry = new CustomElementRegistry;
+
+ const iframe1 = createIFrameForTest(t, {});
+ const shadow1 = attachShadowForTest(t, {registry, parent: iframe1.contentDocument.body});
+ shadow1.innerHTML = `<${name} id="a"></${name}>`;
+
+ const iframe2 = createIFrameForTest(t, {nextSibling: iframe1});
+ const shadow2 = attachShadowForTest(t, {registry, parent: iframe2.contentDocument.body});
+ shadow2.innerHTML = `<${name} id="b"></${name}>`;
+
+ registry.define(name, constructor);
+ assert_array_equals(log, ['a', 'b']);
+}, 'Upgrade order is not affected by DOM order between child frames');
+
+test(t => {
+ // document
+ // +- iframe1
+ // | +- shadow2
+ // | +- b
+ // +- iframe2
+ // | +- shadow1
+ // | +- a
+
+ const {name, constructor, log} = nextCustomElementDefinition();
+ const registry = new CustomElementRegistry;
+
+ const iframe1 = createIFrameForTest(t, {});
+ const iframe2 = createIFrameForTest(t, {});
+
+ const shadow1 = attachShadowForTest(t, {registry});
+ const host1 = shadow1.host;
+ shadow1.innerHTML = `<${name} id="a"></${name}>`;
+
+ const shadow2 = attachShadowForTest(t, {registry});
+ const host2 = shadow2.host;
+ shadow2.innerHTML = `<${name} id="b"></${name}>`;
+
+ iframe1.contentDocument.body.appendChild(host2);
+ iframe2.contentDocument.body.appendChild(host1);
+
+ registry.define(name, constructor);
+ assert_array_equals(log, ['b', 'a']);
+}, 'Upgrade order is affected by shadow tree adoption across documents');
+
+test(t => {
+ // Create a registry in one window, but associate it with another document first
+ // document
+ // +- iframe1
+ // | +- shadow1
+ // | +- a
+ // +- shadowr2
+ // +- b
+
+ const {name, constructor, log} = nextCustomElementDefinition();
+ const registry = new CustomElementRegistry;
+
+ const iframe1 = createIFrameForTest(t, {});
+ const shadow1 = attachShadowForTest(t, {registry, parent: iframe1.contentDocument.body});
+ shadow1.innerHTML = `<${name} id="a"></${name}>`;
+
+ const shadow2 = attachShadowForTest(t, {registry});
+ shadow2.innerHTML = `<${name} id="b"></${name}>`;
+
+ registry.define(name, constructor);
+ assert_array_equals(log, ['a', 'b']);
+}, 'Elements in the "owner" window of a scoped registry are not always upgraded first');
+
+</script>
+</body>