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comparison: js/src/jit-test/tests/debug/Script-getLineOffsets-06.js
js/src/jit-test/tests/debug/Script-getLineOffsets-06.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:1c2e19c8d37c |
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| 1 // getLineOffsets works with extended instructions, such as JSOP_GOTOX. | |
| 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; | |
| 9 var offs; | |
| 10 var 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 (frame) { g.log += 'B'; }}); | |
| 15 } | |
| 16 g.log += 'A'; | |
| 17 }; | |
| 18 | |
| 19 function test(s) { | |
| 20 assertEq(s.charAt(s.length - 1) !== '\n', true); | |
| 21 var count = s.split(/\n/).length; // number of lines in s | |
| 22 g.i = 0; | |
| 23 g.log = ''; | |
| 24 where = 1 + count; | |
| 25 g.eval("line0 = Error().lineNumber;\n" + | |
| 26 "debugger;\n" + // line0 + 1 | |
| 27 s + // line0 + 2 ... line0 + where | |
| 28 " log += 'C';\n"); | |
| 29 assertEq(g.log, 'ABC'); | |
| 30 } | |
| 31 | |
| 32 function repeat(s) { | |
| 33 return Array((1 << 14) + 1).join(s); // 16K copies of s | |
| 34 } | |
| 35 var long_expr = "i" + repeat(" + i"); | |
| 36 var long_throw_stmt = "throw " + long_expr + ";\n"; | |
| 37 | |
| 38 // long break (JSOP_GOTOX) | |
| 39 test("for (;;) {\n" + | |
| 40 " if (i === 0)\n" + | |
| 41 " break;\n" + | |
| 42 " " + long_throw_stmt + | |
| 43 "}"); | |
| 44 | |
| 45 // long continue (JSOP_GOTOX) | |
| 46 test("do {\n" + | |
| 47 " if (i === 0)\n" + | |
| 48 " continue;\n" + | |
| 49 " " + long_throw_stmt + | |
| 50 "} while (i !== 0);"); | |
| 51 | |
| 52 // long if consequent (JSOP_IFEQX) | |
| 53 test("if (i === 2) {\n" + | |
| 54 " " + long_throw_stmt + | |
| 55 "}"); | |
| 56 | |
| 57 // long catch-block with finally (JSOP_GOSUBX) | |
| 58 test("try {\n" + | |
| 59 " i = 0;\n" + | |
| 60 "} catch (exc) {\n" + | |
| 61 " throw " + long_expr + ";\n" + | |
| 62 "} finally {\n" + | |
| 63 " i = 1;\n" + | |
| 64 "}"); | |
| 65 | |
| 66 // long case (JSOP_TABLESWITCHX) | |
| 67 test("switch (i) {\n" + | |
| 68 " default:\n" + | |
| 69 " case 1: " + long_throw_stmt + | |
| 70 " case 0: i++; }"); | |
| 71 | |
| 72 test("switch (i) {\n" + | |
| 73 " case 1: case 2: case 3: " + long_throw_stmt + | |
| 74 " default: i++; }"); | |
| 75 | |
| 76 // long case (JSOP_LOOKUPSWITCHX) | |
| 77 test("switch ('' + i) {\n" + | |
| 78 " default:\n" + | |
| 79 " case '1': " + long_throw_stmt + | |
| 80 " case '0': i++; }"); | |
| 81 | |
| 82 test("switch (i) {\n" + | |
| 83 " case '1': case '2': case '3': " + long_throw_stmt + | |
| 84 " default: i++; }"); | |
| 85 | |
| 86 // long case or case-expression (JSOP_CASEX) | |
| 87 test("switch (i) {\n" + | |
| 88 " case i + 1 - i:\n" + | |
| 89 " default:\n" + | |
| 90 " " + long_throw_stmt + | |
| 91 " case i + i:\n" + | |
| 92 " i++; break; }"); | |
| 93 | |
| 94 // long case when JSOP_CASE is used (JSOP_DEFAULTX) | |
| 95 test("switch (i) {\n" + | |
| 96 " case i + 1 - i:\n" + | |
| 97 " " + long_throw_stmt + | |
| 98 " default:\n" + | |
| 99 " i++; break; }"); |
