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comparison: js/src/jit-test/tests/debug/Frame-onStep-04.js
js/src/jit-test/tests/debug/Frame-onStep-04.js
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- 6474c204b198
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| -1:000000000000 | 0:27d391c876c2 |
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| 1 // When a recursive function has many frames on the stack, onStep may be set or | |
| 2 // not independently on each frame. | |
| 3 | |
| 4 var g = newGlobal(); | |
| 5 g.eval("function f(x) {\n" + | |
| 6 " if (x > 0)\n" + | |
| 7 " f(x - 1);\n" + | |
| 8 " else\n" + | |
| 9 " debugger;\n" + | |
| 10 " return x;\n" + | |
| 11 "}"); | |
| 12 | |
| 13 var dbg = Debugger(g); | |
| 14 var seen = [0, 0, 0, 0, 0, 0, 0, 0]; | |
| 15 function step() { | |
| 16 seen[this.arguments[0]] = 1; | |
| 17 } | |
| 18 dbg.onEnterFrame = function (frame) { | |
| 19 // Turn on stepping for even-numbered frames. | |
| 20 var x = frame.arguments[0]; | |
| 21 if (x % 2 === 0) | |
| 22 frame.onStep = step; | |
| 23 }; | |
| 24 dbg.onDebuggerStatement = function (frame) { | |
| 25 // This is called with 8 call frames on the stack, 7 down to 0. | |
| 26 // At this point we should have seen all the even-numbered frames. | |
| 27 assertEq(seen.join(""), "10101010"); | |
| 28 | |
| 29 // Now reset seen to see which frames fire onStep on the way out. | |
| 30 seen = [0, 0, 0, 0, 0, 0, 0, 0]; | |
| 31 }; | |
| 32 | |
| 33 g.f(7); | |
| 34 assertEq(seen.join(""), "10101010"); |
