1// Copyright 2009 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 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --expose-debug-as debug 29// Get the Debug object exposed from the debug context global object. 30Debug = debug.Debug 31 32var exception = null; 33var step_out_count = 1; 34 35// Simple debug event handler which counts the number of breaks hit and steps. 36var break_point_hit_count = 0; 37function listener(event, exec_state, event_data, data) { 38 try { 39 if (event == Debug.DebugEvent.Break) { 40 break_point_hit_count++; 41 // Continue stepping until returned to bottom frame. 42 if (exec_state.frameCount() > 1) { 43 exec_state.prepareStep(Debug.StepAction.StepOut, step_out_count); 44 } 45 46 } 47 } catch(e) { 48 exception = e; 49 } 50 51}; 52 53function BeginTest(name) { 54 test_name = name; 55 break_point_hit_count = 0; 56 exception = null; 57} 58 59function EndTest(expected_break_point_hit_count) { 60 assertEquals(expected_break_point_hit_count, break_point_hit_count, test_name); 61 assertNull(exception, test_name); 62 test_name = null; 63} 64 65// Add the debug event listener. 66Debug.setListener(listener); 67 68 69var shouldBreak = null; 70function fact(x) { 71 if (shouldBreak(x)) { 72 debugger; 73 } 74 if (x < 2) { 75 return 1; 76 } else { 77 return x*fact(x-1); 78 } 79} 80 81BeginTest('Test 1'); 82shouldBreak = function(x) { return x == 3; }; 83step_out_count = 1; 84fact(3); 85EndTest(2); 86 87BeginTest('Test 2'); 88shouldBreak = function(x) { return x == 2; }; 89step_out_count = 1; 90fact(3); 91EndTest(3); 92 93BeginTest('Test 3'); 94shouldBreak = function(x) { return x == 1; }; 95step_out_count = 2; 96fact(3); 97EndTest(2); 98 99BeginTest('Test 4'); 100shouldBreak = function(x) { return x == 1 || x == 3; }; 101step_out_count = 2; 102fact(3); 103EndTest(3); 104 105// Get rid of the debug event listener. 106Debug.setListener(null); 107