1// Copyright 2012 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 31Debug = debug.Debug 32 33 34function TestCase(test_scenario, expected_output) { 35 // Global variable, accessed from eval'd script. 36 test_output = ""; 37 38 var script_text_generator = (function() { 39 var variables = { a: 1, b: 1, c: 1, d: 1, e: 1, f: 1 }; 40 41 return { 42 get: function() { 43 return "(function() {\n " + 44 " function A() {\n " + 45 " test_output += 'a' + " + variables.a + ";\n " + 46 " test_output += '=';\n " + 47 " debugger;\n " + 48 " return 'Capybara';\n " + 49 " }\n " + 50 " function B(p1, p2) {\n " + 51 " test_output += 'b' + " + variables.b + ";\n " + 52 " return A();\n " + 53 " }\n " + 54 " function C() {\n " + 55 " test_output += 'c' + " + variables.c + ";\n " + 56 " // Function call with argument adaptor is intentional.\n " + 57 " return B();\n " + 58 " }\n " + 59 " function D() {\n " + 60 " test_output += 'd' + " + variables.d + ";\n " + 61 " // Function call with argument adaptor is intentional.\n " + 62 " return C(1, 2);\n " + 63 " }\n " + 64 " function E() {\n " + 65 " test_output += 'e' + " + variables.e + ";\n " + 66 " return D();\n " + 67 " }\n " + 68 " function F() {\n " + 69 " test_output += 'f' + " + variables.f + ";\n " + 70 " return E();\n " + 71 " }\n " + 72 " return F();\n " + 73 "})\n"; 74 }, 75 change: function(var_name) { 76 variables[var_name]++; 77 } 78 }; 79 })(); 80 81 var test_fun = eval(script_text_generator.get()); 82 83 var script = Debug.findScript(test_fun); 84 85 var scenario_pos = 0; 86 87 function DebuggerStatementHandler() { 88 while (true) { 89 assertTrue(scenario_pos < test_scenario.length); 90 var change_var = test_scenario[scenario_pos++]; 91 if (change_var == '=') { 92 // Continue. 93 return; 94 } 95 script_text_generator.change(change_var); 96 try { 97 Debug.LiveEdit.SetScriptSource(script, script_text_generator.get(), 98 false, []); 99 } catch (e) { 100 print("LiveEdit exception: " + e); 101 throw e; 102 } 103 } 104 } 105 106 var saved_exception = null; 107 108 function listener(event, exec_state, event_data, data) { 109 if (event == Debug.DebugEvent.Break) { 110 try { 111 DebuggerStatementHandler(); 112 } catch (e) { 113 saved_exception = e; 114 } 115 } else { 116 print("Other: " + event); 117 } 118 } 119 120 Debug.setListener(listener); 121 assertEquals("Capybara", test_fun()); 122 Debug.setListener(null); 123 124 if (saved_exception) { 125 print("Exception: " + saved_exception); 126 assertUnreachable(); 127 } 128 129 print(test_output); 130 131 assertEquals(expected_output, test_output); 132} 133 134TestCase(['='], "f1e1d1c1b1a1="); 135 136TestCase(['c', '=', '='], "f1e1d1c1b1a1=c2b1a1="); 137 138TestCase(['b', 'c', 'd', 'e', '=', '='], "f1e1d1c1b1a1=e2d2c2b2a1="); 139 140TestCase(['b', 'c', '=', 'b', 'c', 'd', 'e', '=', '='], "f1e1d1c1b1a1=c2b2a1=e2d2c3b3a1="); 141 142TestCase(['e', 'f', '=', '='], "f1e1d1c1b1a1=f2e2d1c1b1a1="); 143