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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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