Script-getLineOffsets-03.js (1187B)
1 // getLineOffsets treats one-line compound statements as having only one entry-point. 2 // (A breakpoint on a line that only executes once will only hit once.) 3 4 var g = newGlobal({newCompartment: true}); 5 g.line0 = null; 6 var dbg = Debugger(g); 7 var log; 8 dbg.onDebuggerStatement = function (frame) { 9 var s = frame.script; 10 var lineno = g.line0 + 2; 11 var offs = s.getLineOffsets(lineno); 12 for (var i = 0; i < offs.length; i++) { 13 assertEq(s.getOffsetLocation(offs[i]).lineNumber, lineno); 14 s.setBreakpoint(offs[i], {hit: function () { log += 'B'; }}); 15 } 16 log += 'A'; 17 }; 18 19 function test(s) { 20 log = ''; 21 g.eval("line0 = Error().lineNumber;\n" + 22 "debugger;\n" + // line0 + 1 23 s); // line0 + 2 24 assertEq(log, 'AB'); 25 } 26 27 g.i = 0; 28 g.j = 0; 29 test("{i++; i--; i++; i--; }"); 30 test("if (i === 0) i++; else i--;"); 31 test("while (i < 5) i++;"); 32 test("do --i; while (i > 0);"); 33 test("for (i = 0; i < 5; i++) j++;"); 34 test("for (var x in [0, 1, 2]) j++;"); 35 test("switch (i) { case 0: j = 0; case 1: j = 1; case 2: j = 2; default: j = i; }"); 36 test("switch (i) { case 'A': j = 0; case 'B': j = 1; case 'C': j = 2; default: j = i; }");