Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 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) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 41 | if (state < 2) { |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 42 | // Step into f2.call: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 43 | exec_state.prepareStep(Debug.StepAction.StepIn); |
| 44 | state++; |
| 45 | } else { |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 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 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 138 | // Test step into bound function. |
| 139 | function bind1() { |
| 140 | var bound = g.bind(null, 3); |
| 141 | debugger; |
| 142 | bound(); |
| 143 | } |
| 144 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 145 | // Test step into apply of bound function. |
| 146 | function applyAndBind1() { |
| 147 | var bound = g.bind(null, 3); |
| 148 | debugger; |
| 149 | bound.apply(null, [3]); |
| 150 | var aLocalVar = 'test'; |
| 151 | var anotherLocalVar = g(aLocalVar) + 's'; |
| 152 | var yetAnotherLocal = 10; |
| 153 | } |
| 154 | |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 155 | var testFunctions = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 156 | [call1, call2, call3, call4, apply1, apply2, apply3, apply4, bind1, |
| 157 | applyAndBind1]; |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 158 | |
| 159 | for (var i = 0; i < testFunctions.length; i++) { |
| 160 | state = 0; |
| 161 | testFunctions[i](); |
| 162 | assertNull(exception); |
| 163 | assertEquals(3, state); |
| 164 | } |
| 165 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 166 | // Test global bound function. |
| 167 | state = 0; |
| 168 | var globalBound = g.bind(null, 3); |
| 169 | debugger; |
| 170 | globalBound(); |
| 171 | assertNull(exception); |
| 172 | assertEquals(3, state); |
| 173 | |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 174 | // Get rid of the debug event listener. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 175 | Debug.setListener(null); |