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js/src/jit-test/tests/debug/surfaces-offsets.js@6474c204b198 (annotated)

js/src/jit-test/tests/debug/surfaces-offsets.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	// Invalid offsets result in exceptions, not bogus results.
michael@0	2
michael@0	3	load(libdir + "asserts.js");
michael@0	4
michael@0	5	var g = newGlobal();
michael@0	6	var dbg = Debugger(g);
michael@0	7	var hits;
michael@0	8	dbg.onDebuggerStatement = function (frame) {
michael@0	9	assertEq(frame.script.getOffsetLine(frame.offset), g.line);
michael@0	10	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(String(frame.offset)); }, Error);
michael@0	11	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(Object(frame.offset)); }, Error);
michael@0	12
michael@0	13	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(-1); }, Error);
michael@0	14	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(1000000); }, Error);
michael@0	15	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(0.25); }, Error);
michael@0	16	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(+Infinity); }, Error);
michael@0	17	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(-Infinity); }, Error);
michael@0	18	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(NaN); }, Error);
michael@0	19
michael@0	20	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(false); }, Error);
michael@0	21	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(true); }, Error);
michael@0	22	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(undefined); }, Error);
michael@0	23	assertThrowsInstanceOf(function () { frame.script.getOffsetLine(); }, Error);
michael@0	24
michael@0	25	// We assume that at least one whole number between 0 and frame.offset is invalid.
michael@0	26	assertThrowsInstanceOf(
michael@0	27	function () {
michael@0	28	for (var i = 0; i < frame.offset; i++)
michael@0	29	frame.script.getOffsetLine(i);
michael@0	30	},
michael@0	31	Error);
michael@0	32
michael@0	33	hits++;
michael@0	34	};
michael@0	35
michael@0	36	hits = 0;
michael@0	37	g.eval("var line = new Error().lineNumber; debugger;");