js/src/jit-test/tests/debug/Environment-find-03.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.

     1 // env.find() finds noneumerable properties in with statements.
     3 var g = newGlobal();
     4 var dbg = Debugger(g);
     5 var hits = 0;
     6 g.h = function () {
     7     var frame = dbg.getNewestFrame();
     8     var target = frame.eval("obj").return;
     9     var env = frame.environment.find("PI");
    10     assertEq(env.object, target);
    11     hits++;
    12 };
    14 g.obj = g.Math;
    15 g.eval("with (obj) h();");
    16 g.eval("with (Math) { let x = 12; h(); }");
    17 g.eval("obj = {};\n" +
    18        "Object.defineProperty(obj, 'PI', {enumerable: false, value: 'Marlowe'});\n" +
    19        "with (obj) h();\n");
    20 assertEq(hits, 3);

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