1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/tests/debug/Script-getLineOffsets-04.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,53 @@
1.4 +// getLineOffsets works with instructions reachable only by breaking out of a loop or switch.
1.5 +
1.6 +var g = newGlobal();
1.7 +g.line0 = null;
1.8 +var dbg = Debugger(g);
1.9 +var where;
1.10 +dbg.onDebuggerStatement = function (frame) {
1.11 + var s = frame.eval("f").return.script;
1.12 + var lineno = g.line0 + where;
1.13 + var offs = s.getLineOffsets(lineno);
1.14 + for (var i = 0; i < offs.length; i++) {
1.15 + assertEq(s.getOffsetLine(offs[i]), lineno);
1.16 + s.setBreakpoint(offs[i], {hit: function () { g.log += 'B'; }});
1.17 + }
1.18 + g.log += 'A';
1.19 +};
1.20 +
1.21 +function test(s) {
1.22 + var count = (s.split(/\n/).length - 1); // number of newlines in s
1.23 + g.log = '';
1.24 + where = 3 + count + 1;
1.25 + g.eval("line0 = Error().lineNumber;\n" +
1.26 + "debugger;\n" + // line0 + 1
1.27 + "function f(i) {\n" + // line0 + 2
1.28 + s + // line0 + 3 ... line0 + where - 2
1.29 + " log += '?';\n" + // line0 + where - 1
1.30 + " log += '!';\n" + // line0 + where
1.31 + "}\n");
1.32 + g.f(0);
1.33 + assertEq(g.log, 'A?B!');
1.34 +}
1.35 +
1.36 +test("i = 128;\n" +
1.37 + "for (;;) {\n" +
1.38 + " var x = i - 10;;\n" +
1.39 + " if (x < 0)\n" +
1.40 + " break;\n" +
1.41 + " i >>= 2;\n" +
1.42 + "}\n");
1.43 +
1.44 +test("while (true)\n" +
1.45 + " if (++i === 2) break;\n");
1.46 +
1.47 +test("do {\n" +
1.48 + " if (++i === 2) break;\n" +
1.49 + "} while (true);\n");
1.50 +
1.51 +test("switch (i) {\n" +
1.52 + " case 2: return 7;\n" +
1.53 + " case 1: return 8;\n" +
1.54 + " case 0: break;\n" +
1.55 + " default: return -i;\n" +
1.56 + "}\n");
