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. 31 function f(x, y) { 32 a=1; 33 }; 34 35 function g() { 36 new f(1); 37 }; 38 39 40 // Get the Debug object exposed from the debug context global object. 41 Debug = debug.Debug 42 43 listenerCallCount = 0; 44 listenerExceptions = []; 45 46 47 function 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 assertEquals(0, debug.next_handle_, "Mirror cache not cleared"); 55 assertEquals(0, debug.mirror_cache_.length, "Mirror cache not cleared"); 56 57 // Get the debug command processor in paused state. 58 var dcp = exec_state.debugCommandProcessor(false); 59 60 // Make a backtrace request to create some mirrors. 61 var json; 62 json = '{"seq":0,"type":"request","command":"backtrace"}' 63 dcp.processDebugJSONRequest(json); 64 65 // Some mirrors where cached. 66 assertFalse(debug.next_handle_ == 0, "Mirror cache not used"); 67 assertFalse(debug.mirror_cache_.length == 0, "Mirror cache not used"); 68 } 69 } catch (e) { 70 print(e); 71 listenerExceptions.push(e); 72 }; 73 }; 74 75 // Add the debug event listener. 76 Debug.setListener(listener); 77 78 // Enter the debugger twice. 79 debugger; 80 debugger; 81 82 assertEquals([], listenerExceptions, "Exception in listener"); 83 // Make sure that the debug event listener vas invoked. 84 assertEquals(2, listenerCallCount, "Listener not called"); 85 86