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

js/src/jit-test/tests/debug/resumption-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	// Check whether we respect resumption values when toggling debug mode on->off
michael@0	2	// from various points with live scripts on the stack.
michael@0	3
michael@0	4	var g = newGlobal();
michael@0	5	var dbg = new Debugger;
michael@0	6
michael@0	7	function reset() {
michael@0	8	dbg.onEnterFrame = undefined;
michael@0	9	dbg.onDebuggerStatement = undefined;
michael@0	10	dbg.addDebuggee(g);
michael@0	11	g.eval("(" + function test() {
michael@0	12	for (i = 0; i < 5; i++)
michael@0	13	f(42);
michael@0	14	} + ")();");
michael@0	15	}
michael@0	16
michael@0	17	g.eval("" + function f(d) {
michael@0	18	return g(d);
michael@0	19	});
michael@0	20
michael@0	21	g.eval("" + function g(d) {
michael@0	22	debugger;
michael@0	23	return d;
michael@0	24	});
michael@0	25
michael@0	26	function testResumptionValues(handlerSetter) {
michael@0	27	// Test normal return.
michael@0	28	reset();
michael@0	29	handlerSetter(undefined);
michael@0	30	assertEq(g.eval("(" + function test() { return f(42); } + ")();"), 42);
michael@0	31
michael@0	32	// Test forced return.
michael@0	33	reset();
michael@0	34	handlerSetter({ return: "not 42" });
michael@0	35	assertEq(g.eval("(" + function test() { return f(42); } + ")();"), "not 42");
michael@0	36
michael@0	37	// Test throw.
michael@0	38	reset();
michael@0	39	handlerSetter({ throw: "thrown 42" });
michael@0	40	try {
michael@0	41	g.eval("(" + function test() { return f(42); } + ")();");;
michael@0	42	} catch (e) {
michael@0	43	assertEq(e, "thrown 42");
michael@0	44	}
michael@0	45	}
michael@0	46
michael@0	47	// Turn off from within the prologue.
michael@0	48	testResumptionValues(function (resumptionVal) {
michael@0	49	dbg.onEnterFrame = function (frame) {
michael@0	50	if (frame.older) {
michael@0	51	if (frame.older.older) {
michael@0	52	dbg.removeDebuggee(g);
michael@0	53	return resumptionVal;
michael@0	54	}
michael@0	55	}
michael@0	56	};
michael@0	57	});
michael@0	58
michael@0	59	// Turn off from within the epilogue.
michael@0	60	testResumptionValues(function (resumptionVal) {
michael@0	61	dbg.onEnterFrame = function (frame) {
michael@0	62	if (frame.older) {
michael@0	63	if (frame.older.older) {
michael@0	64	frame.onPop = function () {
michael@0	65	dbg.removeDebuggee(g);
michael@0	66	return resumptionVal;
michael@0	67	};
michael@0	68	}
michael@0	69	}
michael@0	70	};
michael@0	71	});
michael@0	72
michael@0	73	// Turn off from within debugger statement handler.
michael@0	74	testResumptionValues(function (resumptionVal) {
michael@0	75	dbg.onDebuggerStatement = function (frame) {
michael@0	76	dbg.removeDebuggee(g);
michael@0	77	return resumptionVal;
michael@0	78	};
michael@0	79	});
michael@0	80
michael@0	81	// Turn off from within debug trap handler.
michael@0	82	testResumptionValues(function (resumptionVal) {
michael@0	83	dbg.onEnterFrame = function (frame) {
michael@0	84	if (frame.older) {
michael@0	85	if (frame.older.older) {
michael@0	86	frame.onStep = function () {
michael@0	87	dbg.removeDebuggee(g);
michael@0	88	return resumptionVal;
michael@0	89	}
michael@0	90	}
michael@0	91	}
michael@0	92	};
michael@0	93	});