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 // Get the Debug object exposed from the debug context global object. 30 Debug = debug.Debug 31 32 listenerComplete = false; 33 exception = false; 34 35 // The base part of all evaluate requests. 36 var base_request = '"seq":0,"type":"request","command":"evaluate"' 37 38 function safeEval(code) { 39 try { 40 return eval('(' + code + ')'); 41 } catch (e) { 42 assertEquals(void 0, e); 43 return undefined; 44 } 45 } 46 47 function testRequest(exec_state, arguments, success, result) { 48 // Get the debug command processor in paused state. 49 var dcp = exec_state.debugCommandProcessor(false); 50 51 // Generate request with the supplied arguments. 52 var request; 53 if (arguments) { 54 request = '{' + base_request + ',"arguments":' + arguments + '}'; 55 } else { 56 request = '{' + base_request + '}' 57 } 58 var response = safeEval(dcp.processDebugJSONRequest(request)); 59 if (success) { 60 assertTrue(response.success, request + ' -> ' + response.message); 61 assertEquals(result, response.body.value); 62 } else { 63 assertFalse(response.success, request + ' -> ' + response.message); 64 } 65 assertFalse(response.running, request + ' -> expected not running'); 66 } 67 68 69 // Event listener which evaluates with break disabled. 70 function listener(event, exec_state, event_data, data) { 71 try { 72 if (event == Debug.DebugEvent.Break) 73 { 74 // Call functions with break using the FrameMirror directly. 75 assertEquals(1, exec_state.evaluateGlobal('f()', true).value()); 76 assertEquals(2, exec_state.evaluateGlobal('g()', true).value()); 77 assertEquals(1, exec_state.frame(0).evaluate('f()', true).value()); 78 assertEquals(2, exec_state.frame(0).evaluate('g()', true).value()); 79 80 // Call functions with break using the JSON protocol. Tests that argument 81 // disable_break is default true. 82 testRequest(exec_state, '{"expression":"f()"}', true, 1); 83 testRequest(exec_state, '{"expression":"f()","frame":0}', true, 1); 84 testRequest(exec_state, '{"expression":"g()"}', true, 2); 85 testRequest(exec_state, '{"expression":"g()","frame":0}', true, 2); 86 87 // Call functions with break using the JSON protocol. Tests passing 88 // argument disable_break is default true. 89 testRequest(exec_state, '{"expression":"f()","disable_break":true}', true, 1); 90 testRequest(exec_state, '{"expression":"f()","frame":0,"disable_break":true}', 91 true, 1); 92 testRequest(exec_state, '{"expression":"g()","disable_break":true}', true, 2); 93 testRequest(exec_state, '{"expression":"g()","frame":0,"disable_break":true}', 94 true, 2); 95 96 // Indicate that all was processed. 97 listenerComplete = true; 98 } 99 } catch (e) { 100 exception = e 101 }; 102 }; 103 104 105 // Event listener which evaluates with break enabled one time and the second 106 // time evaluates with break disabled. 107 var break_count = 0; 108 function listener_recurse(event, exec_state, event_data, data) { 109 try { 110 if (event == Debug.DebugEvent.Break) 111 { 112 break_count++; 113 114 // Call functions with break using the FrameMirror directly. 115 if (break_count == 1) { 116 // First break event evaluates with break enabled. 117 assertEquals(1, exec_state.frame(0).evaluate('f()', false).value()); 118 listenerComplete = true; 119 } else { 120 // Second break event evaluates with break disabled. 121 assertEquals(2, break_count); 122 assertFalse(listenerComplete); 123 assertEquals(1, exec_state.frame(0).evaluate('f()', true).value()); 124 } 125 } 126 } catch (e) { 127 exception = e 128 }; 129 }; 130 131 // Add the debug event listener. 132 Debug.setListener(listener); 133 134 // Test functions - one with break point and one with debugger statement. 135 function f() { 136 return 1; 137 }; 138 139 function g() { 140 debugger; 141 return 2; 142 }; 143 144 Debug.setBreakPoint(f, 2, 0); 145 146 // Cause a debug break event. 147 debugger; 148 149 assertFalse(exception, "exception in listener") 150 // Make sure that the debug event listener vas invoked. 151 assertTrue(listenerComplete); 152 153 // Remove the debug event listener. 154 Debug.setListener(null); 155 156 // Set debug event listener wich uses recursive breaks. 157 Debug.setListener(listener_recurse); 158 listenerComplete = false; 159 160 Debug.setBreakPoint(f, 2, 0); 161 162 debugger; 163 164 assertFalse(exception, "exception in listener") 165 // Make sure that the debug event listener vas invoked. 166 assertTrue(listenerComplete); 167 assertEquals(2, break_count); 168
