| // 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.register |
| description: holdings may be the same as target |
| info: | |
| FinalizationRegistry.prototype.register ( target , holdings [, 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(target) is not Object, throw a TypeError exception. |
| 5. If SameValue(target, holdings), throw a TypeError exception. |
| features: [FinalizationRegistry] |
| ---*/ |
| |
| var finalizationRegistry = new FinalizationRegistry(function() {}); |
| |
| var target = {}; |
| assert.throws(TypeError, () => finalizationRegistry.register(target, target)); |