| // 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.register |
| description: No restriction for the value or type of holdings |
| info: | |
| FinalizationGroup.prototype.register ( target , holdings [, unregisterToken ] ) |
| |
| 1. Let finalizationGroup be the this value. |
| 2. If Type(finalizationGroup) is not Object, throw a TypeError exception. |
| 3. If Type(target) is not Object, throw a TypeError exception. |
| 4. If finalizationGroup does not have a [[Cells]] internal slot, throw a TypeError exception. |
| 5. If Type(unregisterToken) is not Object, |
| a. If unregisterToken is not undefined, throw a TypeError exception. |
| b. Set unregisterToken to empty. |
| 6. Let cell be the Record { [[Target]] : target, [[Holdings]]: holdings, [[UnregisterToken]]: unregisterToken }. |
| 7. Append cell to finalizationGroup.[[Cells]]. |
| 8. Return undefined. |
| features: [FinalizationGroup] |
| ---*/ |
| |
| var fn = function() {}; |
| var fg = new FinalizationGroup(fn); |
| |
| var target = {}; |
| assert.sameValue(fg.register(target, undefined), undefined, 'undefined'); |
| assert.sameValue(fg.register(target, null), undefined, 'null'); |
| assert.sameValue(fg.register(target, false), undefined, 'false'); |
| assert.sameValue(fg.register(target, true), undefined, 'true'); |
| assert.sameValue(fg.register(target, Symbol()), undefined, 'symbol'); |
| assert.sameValue(fg.register(target, {}), undefined, 'object'); |
| assert.sameValue(fg.register(target, fg), undefined, 'same as fg instance'); |
| assert.sameValue(fg.register(target, 1), undefined, 'number'); |
| assert.sameValue(fg.register(target, 'holdings'), undefined, 'string'); |