Chromium Code Reviews| Index: test/mjsunit/debug-break-inline.js |
| diff --git a/test/mjsunit/debug-break-inline.js b/test/mjsunit/debug-break-inline.js |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..48e3547f2d6cec1844189449544dd4005b7b7d5b |
| --- /dev/null |
| +++ b/test/mjsunit/debug-break-inline.js |
| @@ -0,0 +1,98 @@ |
| +// Copyright 2011 the V8 project authors. All rights reserved. |
| +// Redistribution and use in source and binary forms, with or without |
| +// modification, are permitted provided that the following conditions are |
| +// met: |
| +// |
| +// * Redistributions of source code must retain the above copyright |
| +// notice, this list of conditions and the following disclaimer. |
| +// * Redistributions in binary form must reproduce the above |
| +// copyright notice, this list of conditions and the following |
| +// disclaimer in the documentation and/or other materials provided |
| +// with the distribution. |
| +// * Neither the name of Google Inc. nor the names of its |
| +// contributors may be used to endorse or promote products derived |
| +// from this software without specific prior written permission. |
| +// |
| +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| + |
| +// Flags: --expose-debug-as debug --allow-natives-syntax |
| + |
| +// This test tests that deoptimization due to debug breaks works for |
| +// inlined functions where the full-code is generated before the |
| +// debugger is attached. |
| +// |
| +//See http://code.google.com/p/chromium/issues/detail?id=105375 |
| + |
| +// Get the Debug object exposed from the debug context global object. |
| +Debug = debug.Debug; |
| + |
| +var count = 0; |
| +var break_count = 0; |
| + |
| +// Debug event listener which steps until the global variable done is true. |
|
Yang
2011/11/30 08:56:52
I don't see a global variable named "done". Outda
|
| +function listener(event, exec_state, event_data, data) { |
| + if (event == Debug.DebugEvent.Break) { |
| + break_count++; |
| + if (break_count == 1) { |
| + Debug.setBreakPoint(g, 3); |
| + |
| + for (var i = 0; i < exec_state.frameCount(); i++) { |
| + var frame = exec_state.frame(i); |
| + // When function f is optimized (1 means YES, see runtime.cc) we |
| + // expect an optimized frame for f and g. |
| + if (%GetOptimizationStatus(f) == 1) { |
| + if (i == 1) { |
| + assertTrue(frame.isOptimizedFrame()); |
| + assertTrue(frame.isInlinedFrame()); |
| + assertEquals(4 - i, frame.inlinedFrameIndex()); |
| + } else if (i == 2) { |
| + assertTrue(frame.isOptimizedFrame()); |
| + assertFalse(frame.isInlinedFrame()); |
| + } else { |
| + assertFalse(frame.isOptimizedFrame()); |
| + assertFalse(frame.isInlinedFrame()); |
| + } |
| + } |
| + } |
| + } |
| + } |
| +} |
| + |
| +function f() { |
| + g(); |
| +} |
| + |
| +function g() { |
| + count++; |
| + h(); |
| + var b = 1; |
| +} |
| + |
| +function h() { |
| + debugger; |
| +} |
| + |
| +f();f();f(); |
| +%OptimizeFunctionOnNextCall(f); |
| +f(); |
| + |
| +// Add the debug event listener. |
| +Debug.setListener(listener); |
| + |
| +f(); |
| + |
| +assertEquals(5, count); |
| +assertEquals(2, break_count); |
| + |
| +// Get rid of the debug event listener. |
| +Debug.setListener(null); |