From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- ...leanup-prevented-with-reference.optional.any.js | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 testing/web-platform/tests/js/builtins/weakrefs/cleanup-prevented-with-reference.optional.any.js (limited to 'testing/web-platform/tests/js/builtins/weakrefs/cleanup-prevented-with-reference.optional.any.js') diff --git a/testing/web-platform/tests/js/builtins/weakrefs/cleanup-prevented-with-reference.optional.any.js b/testing/web-platform/tests/js/builtins/weakrefs/cleanup-prevented-with-reference.optional.any.js new file mode 100644 index 0000000000..da902ac4f1 --- /dev/null +++ b/testing/web-platform/tests/js/builtins/weakrefs/cleanup-prevented-with-reference.optional.any.js @@ -0,0 +1,51 @@ +// META: script=/common/gc.js +// META: script=resources/maybe-garbage-collect.js +// ├──> maybeGarbageCollectAndCleanupAsync +// └──> resolveGarbageCollection +/*--- +esid: sec-finalization-registry.prototype.cleanupSome +info: | + FinalizationRegistry.prototype.cleanupSome ( [ callback ] ) + + 1. Let finalizationRegistry be the this value. + 2. If Type(finalizationRegistry) is not Object, throw a TypeError exception. + 3. If finalizationRegistry does not have a [[Cells]] internal slot, throw a TypeError exception. + 4. If callback is not undefined and IsCallable(callback) is false, throw a TypeError exception. + 5. Perform ? CleanupFinalizationRegistry(finalizationRegistry, callback). + 6. Return undefined. +---*/ + +let holdingsList = []; +function cb(holding) { + holdingsList.push(holding); +}; +let finalizationRegistry = new FinalizationRegistry(function() {}); + +let referenced = {}; + +function emptyCells() { + let target = {}; + finalizationRegistry.register(target, 'target!'); + finalizationRegistry.register(referenced, 'referenced'); + + let prom = maybeGarbageCollectAndCleanupAsync(target); + target = null; + + return prom; +} + +promise_test(() => { + return (async () => { + assert_implements( + typeof FinalizationRegistry.prototype.cleanupSome === 'function', + 'FinalizationRegistry.prototype.cleanupSome is not implemented.' + ); + + await emptyCells(); + finalizationRegistry.cleanupSome(cb); + + assert_equals(holdingsList.length, 1); + assert_equals(holdingsList[0], 'target!'); + assert_equals(typeof referenced, 'object', 'referenced preserved'); + })().catch(resolveGarbageCollection); +}, 'cleanupCallback has only one optional chance to be called for a GC that cleans up a registered target.'); -- cgit v1.2.3