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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/webidl/ecmascript-binding/observable-array-ownkeys.window.js
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/webidl/ecmascript-binding/observable-array-ownkeys.window.js')
-rw-r--r--testing/web-platform/tests/webidl/ecmascript-binding/observable-array-ownkeys.window.js34
1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webidl/ecmascript-binding/observable-array-ownkeys.window.js b/testing/web-platform/tests/webidl/ecmascript-binding/observable-array-ownkeys.window.js
new file mode 100644
index 0000000000..29b537c475
--- /dev/null
+++ b/testing/web-platform/tests/webidl/ecmascript-binding/observable-array-ownkeys.window.js
@@ -0,0 +1,34 @@
+"use strict";
+
+test(() => {
+ const observableArray = document.adoptedStyleSheets;
+ assert_array_equals(
+ Object.getOwnPropertyNames(observableArray),
+ ["length"],
+ "Initially only \"length\".");
+
+ observableArray["zzz"] = true;
+ observableArray["aaa"] = true;
+ assert_array_equals(
+ Object.getOwnPropertyNames(observableArray),
+ ["length", "zzz", "aaa"],
+ "Own properties whose key is a string have been added.");
+
+ observableArray[0] = new CSSStyleSheet();
+ observableArray[1] = new CSSStyleSheet();
+ assert_array_equals(
+ Object.getOwnPropertyNames(observableArray),
+ ["0", "1", "length", "zzz", "aaa"],
+ "Own properties whose key is an array index have been added.");
+
+ observableArray[Symbol.toStringTag] = "string_tag";
+ observableArray[Symbol.toPrimitive] = "primitive";
+ assert_array_equals(
+ Object.getOwnPropertyNames(observableArray),
+ ["0", "1", "length", "zzz", "aaa"],
+ "Own properties whose key is a symbol have been added (non-symbol).");
+ assert_array_equals(
+ Object.getOwnPropertySymbols(observableArray),
+ [Symbol.toStringTag, Symbol.toPrimitive],
+ "Own properties whose key is a symbol have been added (symbol).");
+}, "ObservableArray's ownKeys trap");