diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/this-not-object-throws.js')
-rw-r--r-- | js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/this-not-object-throws.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/this-not-object-throws.js b/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/this-not-object-throws.js new file mode 100644 index 0000000000..7cb536cb9c --- /dev/null +++ b/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/unregister/this-not-object-throws.js @@ -0,0 +1,52 @@ +// |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 this is not an Object +info: | + FinalizationRegistry.prototype.unregister ( unregisterToken ) + + 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 Type(unregisterToken) is not Object, throw a TypeError exception. + ... +features: [FinalizationRegistry] +---*/ + +assert.sameValue(typeof FinalizationRegistry.prototype.unregister, 'function'); + +var unregister = FinalizationRegistry.prototype.unregister; + +assert.throws(TypeError, function() { + unregister.call(undefined, {}); +}, 'undefined'); + +assert.throws(TypeError, function() { + unregister.call(null, {}); +}, 'null'); + +assert.throws(TypeError, function() { + unregister.call(true, {}); +}, 'true'); + +assert.throws(TypeError, function() { + unregister.call(false, {}); +}, 'false'); + +assert.throws(TypeError, function() { + unregister.call(1, {}); +}, 'number'); + +assert.throws(TypeError, function() { + unregister.call('object', {}); +}, 'string'); + +var s = Symbol(); +assert.throws(TypeError, function() { + unregister.call(s, {}); +}, 'symbol'); + +reportCompare(0, 0); |