Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 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 |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 42 | var x = 5; |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 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"); |