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comparison: js/src/jit-test/tests/debug/Script-getLineOffsets-05.js
js/src/jit-test/tests/debug/Script-getLineOffsets-05.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:6e2f3793f13e |
|---|---|
| 1 // getLineOffsets identifies multiple ways to land on a line. | |
| 2 | |
| 3 var g = newGlobal(); | |
| 4 g.line0 = null; | |
| 5 var dbg = Debugger(g); | |
| 6 var where; | |
| 7 dbg.onDebuggerStatement = function (frame) { | |
| 8 var s = frame.script, lineno, offs; | |
| 9 | |
| 10 lineno = g.line0 + where; | |
| 11 offs = s.getLineOffsets(lineno); | |
| 12 for (var i = 0; i < offs.length; i++) { | |
| 13 assertEq(s.getOffsetLine(offs[i]), lineno); | |
| 14 s.setBreakpoint(offs[i], {hit: function () { g.log += 'B'; }}); | |
| 15 } | |
| 16 | |
| 17 lineno++; | |
| 18 offs = s.getLineOffsets(lineno); | |
| 19 for (var i = 0; i < offs.length; i++) { | |
| 20 assertEq(s.getOffsetLine(offs[i]), lineno); | |
| 21 s.setBreakpoint(offs[i], {hit: function () { g.log += 'C'; }}); | |
| 22 } | |
| 23 | |
| 24 g.log += 'A'; | |
| 25 }; | |
| 26 | |
| 27 function test(s) { | |
| 28 assertEq(s.charAt(s.length - 1), '\n'); | |
| 29 var count = (s.split(/\n/).length - 1); // number of lines in s | |
| 30 g.log = ''; | |
| 31 where = 1 + count; | |
| 32 g.eval("line0 = Error().lineNumber;\n" + | |
| 33 "debugger;\n" + // line0 + 1 | |
| 34 s + // line0 + 2 ... line0 + where | |
| 35 "log += 'D';\n"); | |
| 36 assertEq(g.log, 'AB!CD'); | |
| 37 } | |
| 38 | |
| 39 // if-statement with yes and no paths on a single line | |
| 40 g.i = 0; | |
| 41 test("if (i === 0)\n" + | |
| 42 " log += '!'; else log += 'X';\n"); | |
| 43 test("if (i === 2)\n" + | |
| 44 " log += 'X'; else log += '!';\n"); | |
| 45 | |
| 46 // break to a line that has code inside and outside the loop | |
| 47 g.i = 2; | |
| 48 test("while (1) {\n" + | |
| 49 " if (i === 2) break;\n" + | |
| 50 " log += 'X'; } log += '!';\n"); | |
| 51 | |
| 52 // leaving a while loop by failing the test, when the last line has stuff both inside and outside the loop | |
| 53 g.i = 0; | |
| 54 test("while (i > 0) {\n" + | |
| 55 " if (i === 70) log += 'X';\n" + | |
| 56 " --i; } log += '!';\n"); | |
| 57 | |
| 58 // multiple case-labels on the same line | |
| 59 g.i = 0; | |
| 60 test("switch (i) {\n" + | |
| 61 " case 0: case 1: log += '!'; break; }\n"); | |
| 62 test("switch ('' + i) {\n" + | |
| 63 " case '0': case '1': log += '!'; break; }\n"); | |
| 64 test("switch (i) {\n" + | |
| 65 " case 'ok' + i: case i - i: log += '!'; break; }\n"); |
