debug-setbreakpoint.js revision 3ce2e2076e8e3e60cf1810eec160ea2d8557e9e7 
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.
30Debug = debug.Debug
31
32// Simple function which stores the last debug event.
33var listenerComplete = false;
34var exception = false;
35var f_script_id = 0;
36var g_script_id = 0;
37var h_script_id = 0;
38var f_line = 0;
39var g_line = 0;
40
41var base_request = '"seq":0,"type":"request","command":"setbreakpoint"'
42
43function safeEval(code) {
44  try {
45    return eval('(' + code + ')');
46  } catch (e) {
47    assertEquals(void 0, e);
48    return undefined;
49  }
50}
51
52function 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}
67
68function listener(event, exec_state, event_data, data) {
69  try {
70  if (event == Debug.DebugEvent.Break) {
71    // Get the debug command processor.
72    var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
73
74    // Test some illegal setbreakpoint requests.
75    var request = '{' + base_request + '}'
76    var response = safeEval(dcp.processDebugJSONRequest(request));
77    assertFalse(response.success);
78
79    var mirror;
80
81    testArguments(dcp, '{}', false);
82    testArguments(dcp, '{"type":"xx"}', false);
83    testArguments(dcp, '{"type":"function"}', false);
84    testArguments(dcp, '{"type":"script"}', false);
85    testArguments(dcp, '{"target":"f"}', false);
86    testArguments(dcp, '{"type":"xx","target":"xx"}', false);
87    testArguments(dcp, '{"type":"function","target":1}', false);
88    testArguments(dcp, '{"type":"function","target":"f","line":-1}', false);
89    testArguments(dcp, '{"type":"function","target":"f","column":-1}', false);
90    testArguments(dcp, '{"type":"function","target":"f","ignoreCount":-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    testArguments(dcp, '{"type":"function","target":"f","ignoreCount":7}', true, false);
104
105    testArguments(dcp, '{"type":"script","target":"test"}', true, true);
106    testArguments(dcp, '{"type":"script","target":"test"}', true, true);
107    testArguments(dcp, '{"type":"script","target":"test","line":1}', true, true);
108    testArguments(dcp, '{"type":"script","target":"test","column":1}', true, true);
109
110    testArguments(dcp, '{"type":"scriptId","target":' + f_script_id + ',"line":' + f_line + '}', true, false);
111    testArguments(dcp, '{"type":"scriptId","target":' + g_script_id + ',"line":' + g_line + '}', true, false);
112    testArguments(dcp, '{"type":"scriptId","target":' + h_script_id + ',"line":' + h_line + '}', true, false);
113
114    mirror = debug.MakeMirror(f);
115    testArguments(dcp, '{"type":"handle","target":' + mirror.handle() + '}', true, false);
116    mirror = debug.MakeMirror(o.a);
117    testArguments(dcp, '{"type":"handle","target":' + mirror.handle() + '}', true, false);
118
119    // Indicate that all was processed.
120    listenerComplete = true;
121  }
122  } catch (e) {
123    exception = e
124  };
125};
126
127// Add the debug event listener.
128Debug.setListener(listener);
129
130function f() {
131  a=1
132};
133
134function g() {
135  f();
136};
137
138eval('function h(){}');
139
140o = {a:function(){},b:function(){}}
141
142// Check the script ids for the test functions.
143f_script_id = Debug.findScript(f).id;
144g_script_id = Debug.findScript(g).id;
145h_script_id = Debug.findScript(h).id;
146assertTrue(f_script_id > 0, "invalid script id for f");
147assertTrue(g_script_id > 0, "invalid script id for g");
148assertTrue(h_script_id > 0, "invalid script id for h");
149assertEquals(f_script_id, g_script_id);
150
151// Get the source line for the test functions.
152f_line = Debug.findFunctionSourceLocation(f).line;
153g_line = Debug.findFunctionSourceLocation(g).line;
154h_line = Debug.findFunctionSourceLocation(h).line;
155assertTrue(f_line > 0, "invalid line for f");
156assertTrue(g_line > 0, "invalid line for g");
157assertTrue(f_line < g_line);
158assertEquals(h_line, 0, "invalid line for h");
159
160// Set a break point and call to invoke the debug event listener.
161Debug.setBreakPoint(g, 0, 0);
162g();
163
164// Make sure that the debug event listener vas invoked.
165assertTrue(listenerComplete, "listener did not run to completion: " + exception);
166