1// Copyright 2008 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// The functions used for testing backtraces. They are at the top to make the 30// testing of source line/column easier. 31function f(x, y) { 32 a=1; 33}; 34 35function g() { 36 new f(1); 37}; 38 39 40// Get the Debug object exposed from the debug context global object. 41Debug = debug.Debug 42 43listenerCallCount = 0; 44listenerExceptions = []; 45 46 47function listener(event, exec_state, event_data, data) { 48 try { 49 if (event == Debug.DebugEvent.Break) 50 { 51 listenerCallCount++; 52 53 // Check that mirror cache is cleared when entering debugger. 54 assertTrue(debug.MirrorCacheIsEmpty(), "Mirror cache not cleared"); 55 56 // Get the debug command processor in paused state. 57 var dcp = exec_state.debugCommandProcessor(false); 58 59 // Make a backtrace request to create some mirrors. 60 var json; 61 json = '{"seq":0,"type":"request","command":"backtrace"}' 62 dcp.processDebugJSONRequest(json); 63 64 // Make sure looking up loaded scripts does not clear the cache. 65 Debug.scripts(); 66 67 // Some mirrors where cached. 68 assertFalse(debug.MirrorCacheIsEmpty(), "Mirror cache not used"); 69 } 70 } catch (e) { 71 print(e); 72 listenerExceptions.push(e); 73 }; 74}; 75 76// Add the debug event listener. 77Debug.setListener(listener); 78 79// Enter the debugger twice. 80debugger; 81debugger; 82 83assertEquals([], listenerExceptions, "Exception in listener"); 84// Make sure that the debug event listener vas invoked. 85assertEquals(2, listenerCallCount, "Listener not called"); 86