diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/throws-when-unregisterToken-cannot-be-held-weakly.js')
-rw-r--r-- | js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/throws-when-unregisterToken-cannot-be-held-weakly.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/throws-when-unregisterToken-cannot-be-held-weakly.js b/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/throws-when-unregisterToken-cannot-be-held-weakly.js new file mode 100644 index 0000000000..403b569d5a --- /dev/null +++ b/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/throws-when-unregisterToken-cannot-be-held-weakly.js @@ -0,0 +1,47 @@ +// |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.unregister +description: Throws a TypeError if unregisterToken cannot be held weakly +info: | + FinalizationRegistry.prototype.unregister ( _unregisterToken_ ) + 3. If CanBeHeldWeakly(_unregisterToken_) is *false*, throw a *TypeError* exception. +features: [FinalizationRegistry] +---*/ + +assert.sameValue(typeof FinalizationRegistry.prototype.unregister, 'function'); + +var finalizationRegistry = new FinalizationRegistry(function() {}); + +assert.throws(TypeError, function() { + finalizationRegistry.unregister(undefined); +}, 'undefined'); + +assert.throws(TypeError, function() { + finalizationRegistry.unregister(null); +}, 'null'); + +assert.throws(TypeError, function() { + finalizationRegistry.unregister(true); +}, 'true'); + +assert.throws(TypeError, function() { + finalizationRegistry.unregister(false); +}, 'false'); + +assert.throws(TypeError, function() { + finalizationRegistry.unregister(1); +}, 'number'); + +assert.throws(TypeError, function() { + finalizationRegistry.unregister('object'); +}, 'string'); + +var s = Symbol.for('registered symbol'); +assert.throws(TypeError, function() { + finalizationRegistry.unregister(s); +}, 'registered symbol'); + +reportCompare(0, 0); |