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LibWeb/Tests: Import WPT test global-object-implicit-this-value

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Shannon Booth 2025-04-21 21:09:41 +12:00 • committed by Andreas Kling
commit dcc7fe3663
Notes: github-actions[bot] 2025-04-22 10:18:18 +00:00
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15
Tests/LibWeb/Text/expected/wpt-import/webidl/ecmascript-binding/global-object-implicit-this-value.any.txt Normal file
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Harness status: OK
Found 9 tests
8 Pass
1 Fail
Pass Global object's getter throws when called on incompatible object
Pass Global object's setter throws when called on incompatible object
Pass Global object's operation throws when called on incompatible object
Pass Global object's getter throws when called on incompatible object (document.all)
Pass Global object's setter throws when called on incompatible object (document.all)
Pass Global object's operation throws when called on incompatible object (document.all)
Pass Global object's getter works when called on null / undefined
Fail Global object's setter works when called on null / undefined
Pass Global object's operation works when called on null / undefined

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Tests/LibWeb/Text/input/wpt-import/webidl/ecmascript-binding/global-object-implicit-this-value.any.html Normal file
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<!doctype html>
<meta charset=utf-8>
<script>
self.GLOBAL = {
isWindow: function() { return true; },
isWorker: function() { return false; },
isShadowRealm: function() { return false; },
};
</script>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<div id=log></div>
<script src="../../webidl/ecmascript-binding/global-object-implicit-this-value.any.js"></script>

85
Tests/LibWeb/Text/input/wpt-import/webidl/ecmascript-binding/global-object-implicit-this-value.any.js Normal file
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// META: global=window,worker
// https://webidl.spec.whatwg.org/#dfn-attribute-getter (step 1.1.2.1)
// https://webidl.spec.whatwg.org/#dfn-attribute-setter (step 4.5.1)
// https://webidl.spec.whatwg.org/#dfn-create-operation-function (step 2.1.2.1)
const notGlobalObject = Object.create(Object.getPrototypeOf(globalThis));
test(() => {
assert_throws_js(TypeError, () => { Object.create(globalThis).self; });
assert_throws_js(TypeError, () => { getGlobalPropertyDescriptor("location").get.call(notGlobalObject); });
assert_throws_js(TypeError, () => { Reflect.get(globalThis, "navigator", notGlobalObject); });
assert_throws_js(TypeError, () => { new Proxy(globalThis, {}).onerror; });
}, "Global object's getter throws when called on incompatible object");
test(() => {
assert_throws_js(TypeError, () => { Object.create(globalThis).origin = origin; });
assert_throws_js(TypeError, () => { getGlobalPropertyDescriptor("onerror").set.call(notGlobalObject, onerror); });
assert_throws_js(TypeError, () => { Reflect.set(globalThis, "onoffline", onoffline, notGlobalObject); });
assert_throws_js(TypeError, () => { new Proxy(globalThis, {}).ononline = ononline; });
}, "Global object's setter throws when called on incompatible object");
test(() => {
assert_throws_js(TypeError, () => { Object.create(globalThis).setInterval(() => {}, 100); });
assert_throws_js(TypeError, () => { clearTimeout.call(notGlobalObject, () => {}); });
assert_throws_js(TypeError, () => { Reflect.apply(btoa, notGlobalObject, [""]); });
assert_throws_js(TypeError, () => { new Proxy(globalThis, {}).removeEventListener("foo", () => {}); });
}, "Global object's operation throws when called on incompatible object");
if (typeof document !== "undefined") {
test(() => {
assert_throws_js(TypeError, () => { Object.getOwnPropertyDescriptor(window, "document").get.call(document.all); });
}, "Global object's getter throws when called on incompatible object (document.all)");
test(() => {
assert_throws_js(TypeError, () => { Object.getOwnPropertyDescriptor(window, "name").set.call(document.all); });
}, "Global object's setter throws when called on incompatible object (document.all)");
test(() => {
assert_throws_js(TypeError, () => { focus.call(document.all); });
}, "Global object's operation throws when called on incompatible object (document.all)");
}
// An engine might have different code path for calling a function from outer scope to implement step 1.b.iii of https://tc39.es/ecma262/#sec-evaluatecall
const locationGetter = getGlobalPropertyDescriptor("location").get;
test(() => {
assert_equals(getGlobalPropertyDescriptor("self").get.call(null), self);
assert_equals((() => locationGetter())(), location);
assert_equals(Reflect.get(globalThis, "origin", null), origin);
assert_equals(Reflect.get(globalThis, "onoffline", undefined), onoffline);
}, "Global object's getter works when called on null / undefined");
test(() => {
const fn = () => {};
// origin is [Replaceable]
getGlobalPropertyDescriptor("origin").set.call(null, "foo");
assert_equals(origin, "foo");
getGlobalPropertyDescriptor("onerror").set.call(undefined, fn);
assert_equals(onerror, fn);
assert_true(Reflect.set(globalThis, "onoffline", fn, null));
assert_equals(onoffline, fn);
const ononlineSetter = getGlobalPropertyDescriptor("ononline").set;
(() => { ononlineSetter(fn); })();
assert_equals(ononline, fn);
}, "Global object's setter works when called on null / undefined");
// An engine might have different code path for calling a function from outer scope to implement step 1.b.iii of https://tc39.es/ecma262/#sec-evaluatecall
const __addEventListener = addEventListener;
test(() => {
assert_equals(atob.call(null, ""), "");
assert_equals(typeof (0, setInterval)(() => {}, 100), "number");
(() => { __addEventListener("foo", event => { event.preventDefault(); }); })();
const __dispatchEvent = dispatchEvent;
(() => { assert_false(__dispatchEvent(new Event("foo", { cancelable: true }))); })();
}, "Global object's operation works when called on null / undefined");
function getGlobalPropertyDescriptor(key) {
for (let obj = globalThis; obj; obj = Object.getPrototypeOf(obj)) {
const desc = Object.getOwnPropertyDescriptor(obj, key);
if (desc) return desc;
}
}