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1 // defineProperty can make a non-configurable writable property non-writable | |
2 | |
3 load(libdir + "asserts.js"); | |
4 var g = newGlobal(); | |
5 var dbg = new Debugger; | |
6 var gw = dbg.addDebuggee(g); | |
7 gw.defineProperty("p", {writable: true, value: 1}); | |
8 gw.defineProperty("p", {writable: false}); | |
9 g.p = 4; | |
10 assertEq(g.p, 1); |