| // Copyright (C) 2019 Leo Balter. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-finalization-group.prototype.unregister |
| description: Throws a TypeError if this is not an Object |
| info: | |
| FinalizationGroup.prototype.unregister ( unregisterToken ) |
| |
| 1. Let finalizationGroup be the this value. |
| 2. If Type(finalizationGroup) is not Object, throw a TypeError exception. |
| 3. If finalizationGroup does not have a [[Cells]] internal slot, throw a TypeError exception. |
| 4. If Type(unregisterToken) is not Object, throw a TypeError exception. |
| ... |
| features: [FinalizationGroup] |
| ---*/ |
| |
| assert.sameValue(typeof FinalizationGroup.prototype.unregister, 'function'); |
| |
| var unregister = FinalizationGroup.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'); |