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Diffstat (limited to 'js/src/tests/test262/built-ins/FinalizationRegistry/prototype/cleanupSome/custom-this.js')
-rw-r--r-- | js/src/tests/test262/built-ins/FinalizationRegistry/prototype/cleanupSome/custom-this.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/cleanupSome/custom-this.js b/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/cleanupSome/custom-this.js new file mode 100644 index 0000000000..1b99dc1917 --- /dev/null +++ b/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/cleanupSome/custom-this.js @@ -0,0 +1,29 @@ +// |reftest| skip-if(!this.hasOwnProperty('FinalizationRegistry')) -- FinalizationRegistry is not enabled unconditionally +// Copyright (C) 2019 Leo Balter. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-finalization-registry.prototype.cleanupSome +description: Return values applying custom this +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. +features: [FinalizationRegistry.prototype.cleanupSome, FinalizationRegistry] +---*/ + +var fn = function() {}; +var cleanupSome = FinalizationRegistry.prototype.cleanupSome; +var finalizationRegistry = new FinalizationRegistry(fn); + +var cb = function() {}; + +assert.sameValue(cleanupSome.call(finalizationRegistry, cb), undefined); +assert.sameValue(cleanupSome.call(finalizationRegistry, fn), undefined), 'reuse the same cleanup callback fn'; + +reportCompare(0, 0); |