js/src/jit-test/tests/proxy/testDirectProxyGet3.js@6474c204b198 (annotated)
js/src/jit-test/tests/proxy/testDirectProxyGet3.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | load(libdir + "asserts.js"); |
| michael@0 | 2 | |
| michael@0 | 3 | /* |
| michael@0 | 4 | * Throw a TypeError if the trap reports a different value for a non-writable, |
| michael@0 | 5 | * non-configurable property |
| michael@0 | 6 | */ |
| michael@0 | 7 | var target = {}; |
| michael@0 | 8 | Object.defineProperty(target, 'foo', { |
| michael@0 | 9 | value: 'bar', |
| michael@0 | 10 | writable: false, |
| michael@0 | 11 | configurable: false |
| michael@0 | 12 | }); |
| michael@0 | 13 | assertThrowsInstanceOf(function () { |
| michael@0 | 14 | new Proxy(target, { |
| michael@0 | 15 | get: function (target, name, receiver) { |
| michael@0 | 16 | return 'baz'; |
| michael@0 | 17 | } |
| michael@0 | 18 | })['foo']; |
| michael@0 | 19 | }, TypeError); |
| michael@0 | 20 | |
| michael@0 | 21 | /* |
| michael@0 | 22 | * Don't throw a TypeError if the trap reports the same value for a non-writable, |
| michael@0 | 23 | * non-configurable property |
| michael@0 | 24 | */ |
| michael@0 | 25 | assertEq(new Proxy(target, { |
| michael@0 | 26 | get: function (target, name, receiver) { |
| michael@0 | 27 | return 'bar'; |
| michael@0 | 28 | } |
| michael@0 | 29 | })['foo'], |
| michael@0 | 30 | 'bar'); |
| michael@0 | 31 | |
| michael@0 | 32 | |
| michael@0 | 33 | /* |
| michael@0 | 34 | * Don't throw a TypeError if the trap reports a different value for a writable, |
| michael@0 | 35 | * non-configurable property |
| michael@0 | 36 | */ |
| michael@0 | 37 | Object.defineProperty(target, 'prop', { |
| michael@0 | 38 | value: 'bar', |
| michael@0 | 39 | writable: true, |
| michael@0 | 40 | configurable: false |
| michael@0 | 41 | }); |
| michael@0 | 42 | assertEq(new Proxy(target, { |
| michael@0 | 43 | get: function (target, name, receiver) { |
| michael@0 | 44 | return 'baz'; |
| michael@0 | 45 | } |
| michael@0 | 46 | })['prop'], |
| michael@0 | 47 | 'baz'); |
| michael@0 | 48 | |
| michael@0 | 49 | |
| michael@0 | 50 | /* |
| michael@0 | 51 | * Don't throw a TypeError if the trap reports a different value for a non-writable, |
| michael@0 | 52 | * configurable property |
| michael@0 | 53 | */ |
| michael@0 | 54 | Object.defineProperty(target, 'prop2', { |
| michael@0 | 55 | value: 'bar', |
| michael@0 | 56 | writable: false, |
| michael@0 | 57 | configurable: true |
| michael@0 | 58 | }); |
| michael@0 | 59 | assertEq(new Proxy(target, { |
| michael@0 | 60 | get: function (target, name, receiver) { |
| michael@0 | 61 | return 'baz'; |
| michael@0 | 62 | } |
| michael@0 | 63 | })['prop2'], |
| michael@0 | 64 | 'baz'); |
