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| 1 // Copyright 2010 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 // Note: the following tests only checks the debugger handling of the | |
| 33 // setexceptionbreak command. It does not test whether the debugger | |
| 34 // actually breaks on exceptions or not. That functionality is tested | |
| 35 // in test-debug.cc instead. | |
| 36 | |
| 37 // Note: The following function g() is purposedly placed here so that | |
| 38 // its line numbers will not change should we add more lines of test code | |
| 39 // below. The test checks for these line numbers. | |
| 40 | |
| 41 function g() { // line 40 | |
| 42 var x = 5; | |
| 43 var y = 6; | |
| 44 var z = 7; | |
| 45 }; | |
| 46 | |
| 47 var first_lineno = 40; // Must be the line number of g() above. | |
| 48 // The first line of the file is line 0. | |
| 49 | |
| 50 // Simple function which stores the last debug event. | |
| 51 listenerComplete = false; | |
| 52 exception = false; | |
| 53 | |
| 54 var breakpoint1 = -1; | |
| 55 var base_request = '"seq":0,"type":"request","command":"listbreakpoints"' | |
| 56 | |
| 57 function safeEval(code) { | |
| 58 try { | |
| 59 return eval('(' + code + ')'); | |
| 60 } catch (e) { | |
| 61 assertEquals(void 0, e); | |
| 62 return undefined; | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 | |
| 67 function clearBreakpoint(dcp, breakpoint_id) { | |
| 68 var base_request = '"seq":0,"type":"request","command":"clearbreakpoint"' | |
| 69 var arguments = '{"breakpoint":' + breakpoint_id + '}' | |
| 70 var request = '{' + base_request + ',"arguments":' + arguments + '}' | |
| 71 var json_response = dcp.processDebugJSONRequest(request); | |
| 72 } | |
| 73 | |
| 74 | |
| 75 function setBreakOnException(dcp, type, enabled) { | |
| 76 var base_request = '"seq":0,"type":"request","command":"setexceptionbreak"' | |
| 77 var arguments = '{"type":"' + type + '","enabled":' + enabled + '}' | |
| 78 var request = '{' + base_request + ',"arguments":' + arguments + '}' | |
| 79 var json_response = dcp.processDebugJSONRequest(request); | |
| 80 } | |
| 81 | |
| 82 | |
| 83 function testArguments(dcp, success, breakpoint_ids, breakpoint_linenos, | |
| 84 break_on_all, break_on_uncaught) { | |
| 85 var request = '{' + base_request + '}' | |
| 86 var json_response = dcp.processDebugJSONRequest(request); | |
| 87 var response = safeEval(json_response); | |
| 88 var num_breakpoints = breakpoint_ids.length; | |
| 89 | |
| 90 if (success) { | |
| 91 assertTrue(response.success, json_response); | |
| 92 assertEquals(response.body.breakpoints.length, num_breakpoints); | |
| 93 if (num_breakpoints > 0) { | |
| 94 var breakpoints = response.body.breakpoints; | |
| 95 for (var i = 0; i < breakpoints.length; i++) { | |
| 96 var id = breakpoints[i].number; | |
| 97 var found = false; | |
| 98 for (var j = 0; j < num_breakpoints; j++) { | |
| 99 if (breakpoint_ids[j] == id) { | |
| 100 assertEquals(breakpoints[i].line, breakpoint_linenos[j]); | |
| 101 found = true; | |
| 102 break; | |
| 103 } | |
| 104 } | |
| 105 assertTrue(found, "found unexpected breakpoint " + id); | |
| 106 } | |
| 107 } | |
| 108 assertEquals(response.body.breakOnExceptions, break_on_all); | |
| 109 assertEquals(response.body.breakOnUncaughtExceptions, break_on_uncaught); | |
| 110 } else { | |
| 111 assertFalse(response.success, json_response); | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 | |
| 116 function listener(event, exec_state, event_data, data) { | |
| 117 try { | |
| 118 if (event == Debug.DebugEvent.Break) { | |
| 119 // Get the debug command processor. | |
| 120 var dcp = exec_state.debugCommandProcessor("unspecified_running_state"); | |
| 121 | |
| 122 // Test with the 1 breakpoint already set: | |
| 123 testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, false); | |
| 124 | |
| 125 setBreakOnException(dcp, "all", true); | |
| 126 testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], true, false); | |
| 127 | |
| 128 setBreakOnException(dcp, "uncaught", true); | |
| 129 testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], true, true); | |
| 130 | |
| 131 setBreakOnException(dcp, "all", false); | |
| 132 testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, true); | |
| 133 | |
| 134 setBreakOnException(dcp, "uncaught", false); | |
| 135 testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, false); | |
| 136 | |
| 137 // Clear the one breakpoint and retest: | |
| 138 clearBreakpoint(dcp, breakpoint1); | |
| 139 testArguments(dcp, true, [], [], false, false); | |
| 140 | |
| 141 setBreakOnException(dcp, "all", true); | |
| 142 testArguments(dcp, true, [], [], true, false); | |
| 143 | |
| 144 setBreakOnException(dcp, "uncaught", true); | |
| 145 testArguments(dcp, true, [], [], true, true); | |
| 146 | |
| 147 setBreakOnException(dcp, "all", false); | |
| 148 testArguments(dcp, true, [], [], false, true); | |
| 149 | |
| 150 setBreakOnException(dcp, "uncaught", false); | |
| 151 testArguments(dcp, true, [], [], false, false); | |
| 152 | |
| 153 // Set some more breakpoints, and clear them in various orders: | |
| 154 var bp2 = Debug.setBreakPoint(g, 1, 0); | |
| 155 testArguments(dcp, true, [ bp2 ], | |
| 156 [ first_lineno + 1 ], | |
| 157 false, false); | |
| 158 | |
| 159 var bp3 = Debug.setBreakPoint(g, 2, 0); | |
| 160 testArguments(dcp, true, [ bp2, bp3 ], | |
| 161 [ first_lineno + 1, first_lineno + 2 ], | |
| 162 false, false); | |
| 163 | |
| 164 var bp4 = Debug.setBreakPoint(g, 3, 0); | |
| 165 testArguments(dcp, true, [ bp2, bp3, bp4 ], | |
| 166 [ first_lineno + 1, first_lineno + 2, first_lineno + 3 ], | |
| 167 false, false); | |
| 168 | |
| 169 clearBreakpoint(dcp, bp3); | |
| 170 testArguments(dcp, true, [ bp2, bp4 ], | |
| 171 [ first_lineno + 1, first_lineno + 3 ], | |
| 172 false, false); | |
| 173 | |
| 174 clearBreakpoint(dcp, bp4); | |
| 175 testArguments(dcp, true, [ bp2 ], | |
| 176 [ first_lineno + 1 ], | |
| 177 false, false); | |
| 178 | |
| 179 var bp5 = Debug.setBreakPoint(g, 3, 0); | |
| 180 testArguments(dcp, true, [ bp2, bp5 ], | |
| 181 [ first_lineno + 1, first_lineno + 3 ], | |
| 182 false, false); | |
| 183 | |
| 184 clearBreakpoint(dcp, bp2); | |
| 185 testArguments(dcp, true, [ bp5 ], | |
| 186 [ first_lineno + 3 ], | |
| 187 false, false); | |
| 188 | |
| 189 clearBreakpoint(dcp, bp5); | |
| 190 testArguments(dcp, true, [], [], false, false); | |
| 191 | |
| 192 // Indicate that all was processed. | |
| 193 listenerComplete = true; | |
| 194 | |
| 195 } | |
| 196 } catch (e) { | |
| 197 exception = e | |
| 198 }; | |
| 199 }; | |
| 200 | |
| 201 // Add the debug event listener. | |
| 202 Debug.setListener(listener); | |
| 203 | |
| 204 // Set a break point and call to invoke the debug event listener. | |
| 205 breakpoint1 = Debug.setBreakPoint(g, 0, 0); | |
| 206 g(); | |
| 207 | |
| 208 // Make sure that the debug event listener vas invoked. | |
| 209 assertFalse(exception, "exception in listener") | |
| 210 assertTrue(listenerComplete, "listener did not run to completion"); | |
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