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comparison: js/src/jit-test/tests/debug/Environment-setVariable-12.js
js/src/jit-test/tests/debug/Environment-setVariable-12.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:0347b832f409 |
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| 1 // setVariable can create a new property on a with block's bindings object, if | |
| 2 // it is shadowing an existing property on the prototype chain. | |
| 3 | |
| 4 var g = newGlobal(); | |
| 5 var dbg = Debugger(g); | |
| 6 dbg.onDebuggerStatement = function (frame) { | |
| 7 var env = frame.environment.find("x"); | |
| 8 env.setVariable("x", 2); | |
| 9 }; | |
| 10 g.eval("var obj1 = {x: 1}, obj2 = Object.create(obj1), z; with (obj2) { debugger; z = x; }"); | |
| 11 assertEq(g.obj1.x, 1); | |
| 12 assertEq(g.obj2.x, 2); | |
| 13 assertEq(g.z, 2); | |
| 14 | |
| 15 // The property created by setVariable is like the one created by ordinary | |
| 16 // assignment in a with-block. | |
| 17 var desc = Object.getOwnPropertyDescriptor(g.obj2, "x"); | |
| 18 assertEq(desc.configurable, true); | |
| 19 assertEq(desc.enumerable, true); | |
| 20 assertEq(desc.writable, true); | |
| 21 assertEq(desc.value, 2); |
