debug-clearbreakpoint.js revision a7e24c173cf37484693b9abb38e494fa7bd7baeb
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.
33listenerComplete = false;
34exception = false;
35
36var base_request = '"seq":0,"type":"request","command":"clearbreakpoint"'
37
38function safeEval(code) {
39  try {
40    return eval('(' + code + ')');
41  } catch (e) {
42    assertEquals(void 0, e);
43    return undefined;
44  }
45}
46
47function testArguments(dcp, arguments, success) {
48  var request = '{' + base_request + ',"arguments":' + arguments + '}'
49  var json_response = dcp.processDebugJSONRequest(request);
50  var response = safeEval(json_response);
51  if (success) {
52    assertTrue(response.success, json_response);
53  } else {
54    assertFalse(response.success, json_response);
55  }
56}
57
58function listener(event, exec_state, event_data, data) {
59  try {
60  if (event == Debug.DebugEvent.Break) {
61    // Get the debug command processor.
62    var dcp = exec_state.debugCommandProcessor();
63
64    // Test some illegal clearbreakpoint requests.
65    var request = '{' + base_request + '}'
66    var response = safeEval(dcp.processDebugJSONRequest(request));
67    assertFalse(response.success);
68
69    testArguments(dcp, '{}', false);
70    testArguments(dcp, '{"breakpoint":0}', false);
71    // TODO(1241036) change this to 2 when break points have been restructured.
72    testArguments(dcp, '{"breakpoint":3}', false);
73    testArguments(dcp, '{"breakpoint":"xx"}', false);
74
75    // Test some legal clearbreakpoint requests.
76    testArguments(dcp, '{"breakpoint":1}', true);
77
78    // Cannot clear the same break point twice.
79    testArguments(dcp, '{"breakpoint":1}', false);
80
81    // Indicate that all was processed.
82    listenerComplete = true;
83  }
84  } catch (e) {
85    exception = e
86  };
87};
88
89// Add the debug event listener.
90Debug.setListener(listener);
91
92function g() {};
93
94// Set a break point and call to invoke the debug event listener.
95bp = Debug.setBreakPoint(g, 0, 0);
96assertEquals(1, bp);
97g();
98
99// Make sure that the debug event listener vas invoked.
100assertTrue(listenerComplete, "listener did not run to completion");
101assertFalse(exception, "exception in listener")
102