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comparison: js/src/jit-test/tests/proxy/testDirectProxyGet3.js
js/src/jit-test/tests/proxy/testDirectProxyGet3.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:3aa19cddd33d |
|---|---|
| 1 load(libdir + "asserts.js"); | |
| 2 | |
| 3 /* | |
| 4 * Throw a TypeError if the trap reports a different value for a non-writable, | |
| 5 * non-configurable property | |
| 6 */ | |
| 7 var target = {}; | |
| 8 Object.defineProperty(target, 'foo', { | |
| 9 value: 'bar', | |
| 10 writable: false, | |
| 11 configurable: false | |
| 12 }); | |
| 13 assertThrowsInstanceOf(function () { | |
| 14 new Proxy(target, { | |
| 15 get: function (target, name, receiver) { | |
| 16 return 'baz'; | |
| 17 } | |
| 18 })['foo']; | |
| 19 }, TypeError); | |
| 20 | |
| 21 /* | |
| 22 * Don't throw a TypeError if the trap reports the same value for a non-writable, | |
| 23 * non-configurable property | |
| 24 */ | |
| 25 assertEq(new Proxy(target, { | |
| 26 get: function (target, name, receiver) { | |
| 27 return 'bar'; | |
| 28 } | |
| 29 })['foo'], | |
| 30 'bar'); | |
| 31 | |
| 32 | |
| 33 /* | |
| 34 * Don't throw a TypeError if the trap reports a different value for a writable, | |
| 35 * non-configurable property | |
| 36 */ | |
| 37 Object.defineProperty(target, 'prop', { | |
| 38 value: 'bar', | |
| 39 writable: true, | |
| 40 configurable: false | |
| 41 }); | |
| 42 assertEq(new Proxy(target, { | |
| 43 get: function (target, name, receiver) { | |
| 44 return 'baz'; | |
| 45 } | |
| 46 })['prop'], | |
| 47 'baz'); | |
| 48 | |
| 49 | |
| 50 /* | |
| 51 * Don't throw a TypeError if the trap reports a different value for a non-writable, | |
| 52 * configurable property | |
| 53 */ | |
| 54 Object.defineProperty(target, 'prop2', { | |
| 55 value: 'bar', | |
| 56 writable: false, | |
| 57 configurable: true | |
| 58 }); | |
| 59 assertEq(new Proxy(target, { | |
| 60 get: function (target, name, receiver) { | |
| 61 return 'baz'; | |
| 62 } | |
| 63 })['prop2'], | |
| 64 'baz'); |
