Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 28 | // Flags: --expose-debug-as debug --allow-natives-syntax |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 29 | |
| 30 | // This test tests that deoptimization due to debug breaks works for |
| 31 | // inlined functions where the full-code is generated before the |
| 32 | // debugger is attached. |
| 33 | // |
| 34 | //See http://code.google.com/p/chromium/issues/detail?id=105375 |
| 35 | |
| 36 | // Get the Debug object exposed from the debug context global object. |
| 37 | Debug = debug.Debug; |
| 38 | |
| 39 | var count = 0; |
| 40 | var break_count = 0; |
| 41 | |
| 42 | // Debug event listener which sets a breakpoint first time it is hit |
| 43 | // and otherwise counts break points hit and checks that the expected |
| 44 | // state is reached. |
| 45 | function listener(event, exec_state, event_data, data) { |
| 46 | if (event == Debug.DebugEvent.Break) { |
| 47 | break_count++; |
| 48 | if (break_count == 1) { |
| 49 | Debug.setBreakPoint(g, 3); |
| 50 | |
| 51 | for (var i = 0; i < exec_state.frameCount(); i++) { |
| 52 | var frame = exec_state.frame(i); |
| 53 | // When function f is optimized (1 means YES, see runtime.cc) we |
| 54 | // expect an optimized frame for f and g. |
| 55 | if (%GetOptimizationStatus(f) == 1) { |
| 56 | if (i == 1) { |
| 57 | assertTrue(frame.isOptimizedFrame()); |
| 58 | assertTrue(frame.isInlinedFrame()); |
| 59 | assertEquals(4 - i, frame.inlinedFrameIndex()); |
| 60 | } else if (i == 2) { |
| 61 | assertTrue(frame.isOptimizedFrame()); |
| 62 | assertFalse(frame.isInlinedFrame()); |
| 63 | } else { |
| 64 | assertFalse(frame.isOptimizedFrame()); |
| 65 | assertFalse(frame.isInlinedFrame()); |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | function f() { |
| 74 | g(); |
| 75 | } |
| 76 | |
| 77 | function g() { |
| 78 | count++; |
| 79 | h(); |
| 80 | var b = 1; // Break point is set here. |
| 81 | } |
| 82 | |
| 83 | function h() { |
| 84 | debugger; |
| 85 | } |
| 86 | |
| 87 | f();f();f(); |
| 88 | %OptimizeFunctionOnNextCall(f); |
| 89 | f(); |
| 90 | |
| 91 | // Add the debug event listener. |
| 92 | Debug.setListener(listener); |
| 93 | |
| 94 | f(); |
| 95 | |
| 96 | assertEquals(5, count); |
| 97 | assertEquals(2, break_count); |
| 98 | |
| 99 | // Get rid of the debug event listener. |
| 100 | Debug.setListener(null); |