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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/historical.html
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/historical.html')
-rw-r--r--testing/web-platform/tests/custom-elements/historical.html35
1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/historical.html b/testing/web-platform/tests/custom-elements/historical.html
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--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/historical.html
@@ -0,0 +1,35 @@
+<!doctype html>
+<title>Custom Elements v0 features</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script>
+test(() => {
+ assert_false('registerElement' in document)
+}, 'document.registerElement should not exist')
+
+// These tests should pass as long as v0 isn't supported:
+// v0: a 2nd string argument for createElement.
+// v1: a ElementCreationOptions (dictionary) argument.
+test(() => {
+ try {
+ const element = document.createElement('x', 'string')
+ // If neither v0/v1 are supported, then there should be no is attribute.
+ assert_false(element.hasAttribute('is'))
+ } catch (e) {
+ // If v1 is supported, then converting string to dictionary should throw.
+ assert_throws_js(TypeError, function() { throw e })
+ }
+}, 'document.createElement(localName, "string") should not work')
+
+// createElementNS is analagous, but for the 3rd argument
+test(() => {
+ try {
+ const element = document.createElementNS(null, 'x', 'string')
+ // If neither v0/v1 are supported, then there should be no is attribute.
+ assert_false(element.hasAttribute('is'))
+ } catch (e) {
+ // If v1 is supported, then converting string to dictionary should throw.
+ assert_throws_js(TypeError, function() { throw e })
+ }
+}, 'document.createElementNS(namespace, qualifiedName, "string") should not work')
+</script>