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 breakpoint = -1;
37var base_request = '"seq":0,"type":"request","command":"clearbreakpoint"'
38
39function safeEval(code) {
40  try {
41    return eval('(' + code + ')');
42  } catch (e) {
43    assertEquals(void 0, e);
44    return undefined;
45  }
46}
47
48function testArguments(dcp, arguments, success) {
49  var request = '{' + base_request + ',"arguments":' + arguments + '}'
50  var json_response = dcp.processDebugJSONRequest(request);
51  var response = safeEval(json_response);
52  if (success) {
53    assertTrue(response.success, json_response);
54  } else {
55    assertFalse(response.success, json_response);
56  }
57}
58
59function listener(event, exec_state, event_data, data) {
60  try {
61  if (event == Debug.DebugEvent.Break) {
62    // Get the debug command processor.
63    var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
64
65    // Test some illegal clearbreakpoint requests.
66    var request = '{' + base_request + '}'
67    var response = safeEval(dcp.processDebugJSONRequest(request));
68    assertFalse(response.success);
69
70    testArguments(dcp, '{}', false);
71    testArguments(dcp, '{"breakpoint":0}', false);
72    testArguments(dcp, '{"breakpoint":' + (breakpoint + 1)+ '}', false);
73    testArguments(dcp, '{"breakpoint":"xx"}', false);
74
75    // Test some legal clearbreakpoint requests.
76    testArguments(dcp, '{"breakpoint":' + breakpoint + '}', true);
77
78    // Cannot clear the same break point twice.
79    testArguments(dcp, '{"breakpoint":' + breakpoint + '}', 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.
95breakpoint = Debug.setBreakPoint(g, 0, 0);
96g();
97
98// Make sure that the debug event listener vas invoked.
99assertTrue(listenerComplete, "listener did not run to completion");
100assertFalse(exception, "exception in listener")
101