summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-multi-register.tentative.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-multi-register.tentative.html
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-multi-register.tentative.html')
-rw-r--r--testing/web-platform/tests/custom-elements/scoped-registry/CustomElementRegistry-multi-register.tentative.html27
1 files changed, 27 insertions, 0 deletions
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>