js/src/jit-test/tests/basic/bug703157.js@6474c204b198 (annotated)
js/src/jit-test/tests/basic/bug703157.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 | // Define a test object |
| michael@0 | 2 | var test = {x:1,y:2}; |
| michael@0 | 3 | |
| michael@0 | 4 | // Put the object into dictionary mode by deleting |
| michael@0 | 5 | // a property that was not the last one added. |
| michael@0 | 6 | delete test.x; |
| michael@0 | 7 | |
| michael@0 | 8 | // Define a an accessor property with a setter that |
| michael@0 | 9 | // itself calls Object.defineProperty |
| michael@0 | 10 | Object.defineProperty(test, "foo", { |
| michael@0 | 11 | get: function() { return 1; }, |
| michael@0 | 12 | set: function(v) { |
| michael@0 | 13 | Object.defineProperty(this, "foo", { value: v }); |
| michael@0 | 14 | // Prints the correct object descriptor |
| michael@0 | 15 | assertEq(this.foo, 33); |
| michael@0 | 16 | }, |
| michael@0 | 17 | configurable: true |
| michael@0 | 18 | }); |
| michael@0 | 19 | |
| michael@0 | 20 | // Add another property, so generateOwnShape does not replace the foo property. |
| michael@0 | 21 | test.other = 0; |
| michael@0 | 22 | |
| michael@0 | 23 | // This line prints 1, as expected |
| michael@0 | 24 | assertEq(test.foo, 1); |
| michael@0 | 25 | |
| michael@0 | 26 | // Now set the property. This calls the setter method above. |
| michael@0 | 27 | // And the setter method prints the expected value and property descriptor. |
| michael@0 | 28 | test.foo = 33; |
| michael@0 | 29 | |
| michael@0 | 30 | // Finally read the newly set value. |
| michael@0 | 31 | assertEq(test.foo, 33); |
| michael@0 | 32 | |
| michael@0 | 33 | // Check that enumeration order is correct. |
| michael@0 | 34 | var arr = []; |
| michael@0 | 35 | for (var x in test) arr.push(x); |
| michael@0 | 36 | assertEq("" + arr, "y,other"); |
