// Copyright 2012 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. Debug = debug.Debug var breaks = 0; var exceptionThrown = false; function listener(event, exec_state, event_data, data) { try { if (event == Debug.DebugEvent.Break) { var line = event_data.sourceLineText(); print('break: ' + line); assertEquals(-1, line.indexOf('NOBREAK'), "should not break on unexpected lines") assertEquals('BREAK ' + breaks, line.substr(-7)); breaks++; if (breaks < 4) exec_state.prepareStep(Debug.StepAction.StepNext); } } catch (e) { print(e); exceptionThrown = true; } } // Add the debug event listener. Debug.setListener(listener); function a(f) { if (f) { // NOBREAK: should not break here! try { f(); } catch(e) { } } } // BREAK 2 function b() { c(); // BREAK 0 } // BREAK 1 function c() { a(); } // Set a break point and call to invoke the debug event listener. Debug.setBreakPoint(b, 0, 0); a(b); a(); // BREAK 3 assertFalse(exceptionThrown);