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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/webidl/ecmascript-binding/legacy-callback-interface-object.html | |
| parent | Initial commit. (diff) | |
| download | firefox-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/legacy-callback-interface-object.html')
| -rw-r--r-- | testing/web-platform/tests/webidl/ecmascript-binding/legacy-callback-interface-object.html | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webidl/ecmascript-binding/legacy-callback-interface-object.html b/testing/web-platform/tests/webidl/ecmascript-binding/legacy-callback-interface-object.html new file mode 100644 index 0000000000..627d29507f --- /dev/null +++ b/testing/web-platform/tests/webidl/ecmascript-binding/legacy-callback-interface-object.html @@ -0,0 +1,69 @@ +<!doctype html> +<meta charset="utf-8"> +<title>Legacy callback interface objects</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> +<link rel="help" href="https://webidl.spec.whatwg.org/#legacy-callback-interface-object"> + +<script> +test(() => { + assert_equals(typeof NodeFilter, "function"); +}, "Must be a function according to typeof"); + +test(() => { + assert_true(Object.getPrototypeOf(NodeFilter) === Function.prototype); +}, "Must have the correct [[Prototype]]"); + +test(() => { + const propDesc = Object.getOwnPropertyDescriptor(window, "NodeFilter"); + assert_true(propDesc.writable, "writable"); + assert_false(propDesc.enumerable, "enumerable"); + assert_true(propDesc.configurable, "configurable"); +}, "Must have the correct property descriptor"); + +test(() => { + assert_throws_js(TypeError, () => NodeFilter(), "call"); + assert_throws_js(TypeError, () => new NodeFilter(), "construct"); +}, "Must throw a TypeError when called or constructed") + +test(() => { + assert_false(NodeFilter.hasOwnProperty("prototype")); +}, "Must not have a .prototype property"); + +test(() => { + assert_true(NodeFilter.hasOwnProperty("name")); + assert_equals(NodeFilter.name, "NodeFilter"); + + const propDesc = Object.getOwnPropertyDescriptor(NodeFilter, "name"); + assert_false(propDesc.writable, "writable"); + assert_false(propDesc.enumerable, "enumerable"); + assert_true(propDesc.configurable, "configurable"); +}, "Must have an own name property equal to the interface name and with the correct descriptors"); + +test(() => { + assert_true(NodeFilter.hasOwnProperty("length")); + assert_equals(NodeFilter.length, 0); + + const propDesc = Object.getOwnPropertyDescriptor(NodeFilter, "length"); + assert_false(propDesc.writable, "writable"); + assert_false(propDesc.enumerable, "enumerable"); + assert_true(propDesc.configurable, "configurable"); +}, "Must have an own length property with value zero and the correct descriptors"); + +test(() => { + // The JS spec (OrdinaryHasInstance) bails out early for non-objects + // Historically we overrode [[HasInstance]] to throw anyway, but this was removed: + // https://github.com/heycam/webidl/pull/356 + assert_false(5 instanceof NodeFilter, "5"); + + // OrdinaryHasInstance throws a TypeError if the right-hand-side doesn't have a .prototype object, + // which is the case for callback interfaces. + assert_throws_js(TypeError, () => { + (function () { }) instanceof NodeFilter; + }); + assert_throws_js(TypeError, () => { + ({ }) instanceof NodeFilter; + }); +}, "instanceof must throw but only when we don't bail out early"); +</script> |