The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/debug/Environment-setVariable-10.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,32 @@
     1.4 +// setVariable works on non-innermost environments.
     1.5 +
     1.6 +// (The debuggee code here is a bit convoluted to defeat optimizations that
     1.7 +// could make obj.b a null closure or obj.i a flat closure--that is, a function
     1.8 +// that gets a frozen copy of i instead of a reference to the runtime
     1.9 +// environment that contains it. setVariable does not currently detect this
    1.10 +// flat closure case.)
    1.11 +
    1.12 +var g = newGlobal();
    1.13 +g.eval("function d() { debugger; }\n" +
    1.14 +       "var i = 'FAIL';\n" +
    1.15 +       "function a() {\n" +
    1.16 +       "    var obj = {b: function (i) { d(obj); return i; },\n" +
    1.17 +       "               i: function () { return i; }};\n" +
    1.18 +       "    var i = 'FAIL2';\n" +
    1.19 +       "    return obj;\n" +
    1.20 +       "}\n");
    1.21 +
    1.22 +var dbg = Debugger(g);
    1.23 +dbg.onDebuggerStatement = function (frame) {
    1.24 +    var x = 0;
    1.25 +    for (var env = frame.older.environment; env; env = env.parent) {
    1.26 +        if (env.getVariable("i") !== undefined)
    1.27 +            env.setVariable("i", x++);
    1.28 +    }
    1.29 +};
    1.30 +
    1.31 +var obj = g.a();
    1.32 +var r = obj.b('FAIL3');
    1.33 +assertEq(r, 0);
    1.34 +assertEq(obj.i(), 1);
    1.35 +assertEq(g.i, 2);