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 var exception = null; 33 var state = 0; 34 35 // Simple debug event handler which first time will cause 'step in' action 36 // to get into g.call and than check that execution is pauesed inside 37 // function 'g'. 38 function listener(event, exec_state, event_data, data) { 39 try { 40 if (event == Debug.DebugEvent.Break) { 41 if (state == 0) { 42 // Step into f2.call: 43 exec_state.prepareStep(Debug.StepAction.StepIn, 2); 44 state = 2; 45 } else if (state == 2) { 46 assertEquals('g', event_data.func().name()); 47 assertEquals(' return t + 1; // expected line', 48 event_data.sourceLineText()); 49 state = 3; 50 } 51 } 52 } catch(e) { 53 exception = e; 54 } 55 }; 56 57 // Add the debug event listener. 58 Debug.setListener(listener); 59 60 61 // Sample functions. 62 function g(t) { 63 return t + 1; // expected line 64 } 65 66 // Test step into function call from a function without local variables. 67 function call1() { 68 debugger; 69 g.call(null, 3); 70 } 71 72 73 // Test step into function call from a function with some local variables. 74 function call2() { 75 var aLocalVar = 'test'; 76 var anotherLocalVar = g(aLocalVar) + 's'; 77 var yetAnotherLocal = 10; 78 debugger; 79 g.call(null, 3); 80 } 81 82 // Test step into function call which is a part of an expression. 83 function call3() { 84 var alias = g; 85 debugger; 86 var r = 10 + alias.call(null, 3); 87 var aLocalVar = 'test'; 88 var anotherLocalVar = g(aLocalVar) + 's'; 89 var yetAnotherLocal = 10; 90 } 91 92 // Test step into function call from a function with some local variables. 93 function call4() { 94 var alias = g; 95 debugger; 96 alias.call(null, 3); 97 var aLocalVar = 'test'; 98 var anotherLocalVar = g(aLocalVar) + 's'; 99 var yetAnotherLocal = 10; 100 } 101 102 // Test step into function apply from a function without local variables. 103 function apply1() { 104 debugger; 105 g.apply(null, [3]); 106 } 107 108 109 // Test step into function apply from a function with some local variables. 110 function apply2() { 111 var aLocalVar = 'test'; 112 var anotherLocalVar = g(aLocalVar) + 's'; 113 var yetAnotherLocal = 10; 114 debugger; 115 g.apply(null, [3, 4]); 116 } 117 118 // Test step into function apply which is a part of an expression. 119 function apply3() { 120 var alias = g; 121 debugger; 122 var r = 10 + alias.apply(null, [3, 'unused arg']); 123 var aLocalVar = 'test'; 124 var anotherLocalVar = g(aLocalVar) + 's'; 125 var yetAnotherLocal = 10; 126 } 127 128 // Test step into function apply from a function with some local variables. 129 function apply4() { 130 var alias = g; 131 debugger; 132 alias.apply(null, [3]); 133 var aLocalVar = 'test'; 134 var anotherLocalVar = g(aLocalVar) + 's'; 135 var yetAnotherLocal = 10; 136 } 137 138 // Test step into bound function. 139 function bind1() { 140 var bound = g.bind(null, 3); 141 debugger; 142 bound(); 143 } 144 145 var testFunctions = 146 [call1, call2, call3, call4, apply1, apply2, apply3, apply4, bind1]; 147 148 for (var i = 0; i < testFunctions.length; i++) { 149 state = 0; 150 testFunctions[i](); 151 assertNull(exception); 152 assertEquals(3, state); 153 } 154 155 // Test global bound function. 156 state = 0; 157 var globalBound = g.bind(null, 3); 158 debugger; 159 globalBound(); 160 assertNull(exception); 161 assertEquals(3, state); 162 163 // Get rid of the debug event listener. 164 Debug.setListener(null);
