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js/src/jit-test/tests/debug/Frame-eval-08.js@6474c204b198 (annotated)

js/src/jit-test/tests/debug/Frame-eval-08.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 arguments can escape from a function via a debugging hook.
michael@0	2
michael@0	3	var g = newGlobal();
michael@0	4	var dbg = new Debugger(g);
michael@0	5
michael@0	6	// capture arguments object and test function
michael@0	7	var args, testfn;
michael@0	8	dbg.onDebuggerStatement = function (frame) {
michael@0	9	args = frame.eval("arguments").return;
michael@0	10	testfn = frame.eval("test").return;
michael@0	11	};
michael@0	12	g.eval("function f() { debugger; }");
michael@0	13	g.eval("var test = " + function test(args) {
michael@0	14	assertEq(args.length, 3);
michael@0	15	assertEq(args[0], this);
michael@0	16	assertEq(args[1], f);
michael@0	17	assertEq(args[2].toString(), "[object Object]");
michael@0	18	return 42;
michael@0	19	} + ";");
michael@0	20	g.eval("f(this, f, {});");
michael@0	21
michael@0	22	var cv = testfn.apply(null, [args]);
michael@0	23	assertEq(cv.return, 42);