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 // Simple function which stores the last debug event. 33 var listenerComplete = false; 34 var exception = false; 35 var f_script_id = 0; 36 var g_script_id = 0; 37 var h_script_id = 0; 38 var f_line = 0; 39 var g_line = 0; 40 41 var base_request = '"seq":0,"type":"request","command":"setbreakpoint"' 42 43 function safeEval(code) { 44 try { 45 return eval('(' + code + ')'); 46 } catch (e) { 47 assertEquals(void 0, e); 48 return undefined; 49 } 50 } 51 52 function testArguments(dcp, arguments, success, is_script) { 53 var request = '{' + base_request + ',"arguments":' + arguments + '}' 54 var json_response = dcp.processDebugJSONRequest(request); 55 var response = safeEval(json_response); 56 if (success) { 57 assertTrue(response.success, request + ' -> ' + json_response); 58 if (is_script) { 59 assertEquals('scriptName', response.body.type, request + ' -> ' + json_response); 60 } else { 61 assertEquals('scriptId', response.body.type, request + ' -> ' + json_response); 62 } 63 } else { 64 assertFalse(response.success, request + ' -> ' + json_response); 65 } 66 return response; 67 } 68 69 function listener(event, exec_state, event_data, data) { 70 try { 71 if (event == Debug.DebugEvent.Break) { 72 // Get the debug command processor. 73 var dcp = exec_state.debugCommandProcessor("unspecified_running_state"); 74 75 // Test some illegal setbreakpoint requests. 76 var request = '{' + base_request + '}' 77 var response = safeEval(dcp.processDebugJSONRequest(request)); 78 assertFalse(response.success); 79 80 var mirror; 81 82 testArguments(dcp, '{}', false); 83 testArguments(dcp, '{"type":"xx"}', false); 84 testArguments(dcp, '{"type":"function"}', false); 85 testArguments(dcp, '{"type":"script"}', false); 86 testArguments(dcp, '{"target":"f"}', false); 87 testArguments(dcp, '{"type":"xx","target":"xx"}', false); 88 testArguments(dcp, '{"type":"function","target":1}', false); 89 testArguments(dcp, '{"type":"function","target":"f","line":-1}', false); 90 testArguments(dcp, '{"type":"function","target":"f","column":-1}', false); 91 testArguments(dcp, '{"type":"handle","target":"-1"}', false); 92 mirror = debug.MakeMirror(o); 93 testArguments(dcp, '{"type":"handle","target":' + mirror.handle() + '}', false); 94 95 // Test some legal setbreakpoint requests. 96 testArguments(dcp, '{"type":"function","target":"f"}', true, false); 97 testArguments(dcp, '{"type":"function","target":"h"}', true, false); 98 testArguments(dcp, '{"type":"function","target":"f","line":1}', true, false); 99 testArguments(dcp, '{"type":"function","target":"f","position":1}', true, false); 100 testArguments(dcp, '{"type":"function","target":"f","condition":"i == 1"}', true, false); 101 testArguments(dcp, '{"type":"function","target":"f","enabled":true}', true, false); 102 testArguments(dcp, '{"type":"function","target":"f","enabled":false}', true, false); 103 104 testArguments(dcp, '{"type":"script","target":"test"}', true, true); 105 testArguments(dcp, '{"type":"script","target":"test"}', true, true); 106 testArguments(dcp, '{"type":"script","target":"test","line":1}', true, true); 107 testArguments(dcp, '{"type":"script","target":"test","column":1}', true, true); 108 109 testArguments(dcp, '{"type":"scriptId","target":' + f_script_id + ',"line":' + f_line + '}', true, false); 110 testArguments(dcp, '{"type":"scriptId","target":' + g_script_id + ',"line":' + g_line + '}', true, false); 111 testArguments(dcp, '{"type":"scriptId","target":' + h_script_id + ',"line":' + h_line + '}', true, false); 112 113 mirror = debug.MakeMirror(f); 114 testArguments(dcp, '{"type":"handle","target":' + mirror.handle() + '}', true, false); 115 mirror = debug.MakeMirror(o.a); 116 testArguments(dcp, '{"type":"handle","target":' + mirror.handle() + '}', true, false); 117 118 testArguments(dcp, '{"type":"script","target":"sourceUrlScript","line":0}', true, true); 119 120 // Set a break point on a line with the comment, and check that actual position 121 // is the next line after the comment. 122 request = '{"type":"scriptId","target":' + g_script_id + ',"line":' + (g_line + 1) + '}'; 123 response = testArguments(dcp, request, true, false); 124 assertEquals(g_line + 2, response.body.actual_locations[0].line); 125 126 // Indicate that all was processed. 127 listenerComplete = true; 128 } 129 } catch (e) { 130 exception = e 131 }; 132 }; 133 134 // Add the debug event listener. 135 Debug.setListener(listener); 136 137 function f() { 138 a=1 139 }; 140 141 function g() { 142 // Comment. 143 f(); 144 }; 145 146 eval('function h(){}'); 147 eval('function sourceUrlFunc() { a = 2; }\n//# sourceURL=sourceUrlScript'); 148 149 o = {a:function(){},b:function(){}} 150 151 // Check the script ids for the test functions. 152 f_script_id = Debug.findScript(f).id; 153 g_script_id = Debug.findScript(g).id; 154 h_script_id = Debug.findScript(h).id; 155 sourceURL_script_id = Debug.findScript(sourceUrlFunc).id; 156 157 assertTrue(f_script_id > 0, "invalid script id for f"); 158 assertTrue(g_script_id > 0, "invalid script id for g"); 159 assertTrue(h_script_id > 0, "invalid script id for h"); 160 assertTrue(sourceURL_script_id > 0, "invalid script id for sourceUrlFunc"); 161 assertEquals(f_script_id, g_script_id); 162 163 // Get the source line for the test functions. 164 f_line = Debug.findFunctionSourceLocation(f).line; 165 g_line = Debug.findFunctionSourceLocation(g).line; 166 h_line = Debug.findFunctionSourceLocation(h).line; 167 assertTrue(f_line > 0, "invalid line for f"); 168 assertTrue(g_line > 0, "invalid line for g"); 169 assertTrue(f_line < g_line); 170 assertEquals(h_line, 0, "invalid line for h"); 171 172 // Set a break point and call to invoke the debug event listener. 173 Debug.setBreakPoint(g, 0, 0); 174 g(); 175 176 // Make sure that the debug event listener was invoked. 177 assertTrue(listenerComplete, "listener did not run to completion: " + exception); 178 179 // Try setting breakpoint by url specified in sourceURL 180 181 var breakListenerCalled = false; 182 183 function breakListener(event) { 184 if (event == Debug.DebugEvent.Break) 185 breakListenerCalled = true; 186 } 187 188 Debug.setListener(breakListener); 189 190 sourceUrlFunc(); 191 192 assertTrue(breakListenerCalled, "Break listener not called on breakpoint set by sourceURL"); 193 194 195 // Breakpoint in a script with no statements test case. If breakpoint is set 196 // to the script body, its actual position is taken from the nearest statement 197 // below or like in this case is reset to the very end of the script. 198 // Unless some precautions made, this position becomes out-of-range and 199 // we get an exception. 200 201 // Gets a script of 'i1' function and sets the breakpoint at line #4 which 202 // should be empty. 203 function SetBreakpointInI1Script() { 204 var i_script = Debug.findScript(i1); 205 assertTrue(!!i_script, "invalid script for i1"); 206 Debug.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId, 207 i_script.id, 4); 208 } 209 210 // Creates the eval script and tries to set the breakpoint. 211 // The tricky part is that the script function must be strongly reachable at the 212 // moment. Since there's no way of simply getting the pointer to the function, 213 // we run this code while the script function is being activated on stack. 214 eval('SetBreakpointInI1Script()\nfunction i1(){}\n\n\n\nfunction i2(){}\n'); 215
