js/src/jit-test/tests/debug/Environment-parent-01.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 // The objects on the environment chain are all Debugger.Environment objects.
michael@0 2 // The environment chain ends in null.
michael@0 3
michael@0 4 var g = newGlobal()
michael@0 5 g.eval("function f(a) { return function (b) { return function (c) { h(); return a + b + c; }; }; }");
michael@0 6 var dbg = Debugger(g);
michael@0 7 var hits = 0;
michael@0 8 g.h = function () {
michael@0 9 var n = 0;
michael@0 10 for (var env = dbg.getNewestFrame().environment; env !== null; env = env.parent) {
michael@0 11 n++;
michael@0 12 assertEq(env instanceof Debugger.Environment, true);
michael@0 13 }
michael@0 14 assertEq(n >= 4, true);
michael@0 15 hits++;
michael@0 16 };
michael@0 17 assertEq(g.f(5)(7)(9), 21);
michael@0 18 assertEq(hits, 1);

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