1// Copyright 2012 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
31Debug = debug.Debug;
32Debug.setListener(listener);
33
34SlimFunction = eval(
35    "(function() {\n " +
36    "  return 'Cat';\n" +
37    "})\n"
38);
39
40var script = Debug.findScript(SlimFunction);
41
42Debug.setScriptBreakPointById(script.id, 1, 0);
43
44var orig_animal = "'Cat'";
45var patch_pos = script.source.indexOf(orig_animal);
46var new_animal_patch = "'Capybara'";
47
48debugger_handler = (function() {
49  var already_called = false;
50  return function() {
51    if (already_called) {
52      return;
53    }
54    already_called = true;
55
56    var change_log = new Array();
57    try {
58      Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, patch_pos,
59          orig_animal.length, new_animal_patch, change_log);
60    } finally {
61      print("Change log: " + JSON.stringify(change_log) + "\n");
62    }
63  };
64})();
65
66var saved_exception = null;
67
68function listener(event, exec_state, event_data, data) {
69  if (event == Debug.DebugEvent.Break) {
70    try {
71      debugger_handler();
72    } catch (e) {
73      saved_exception = e;
74    }
75  } else {
76    print("Other: " + event);
77  }
78}
79
80
81var animal = SlimFunction();
82
83if (saved_exception) {
84  print("Exception: " + saved_exception);
85  assertUnreachable();
86}
87
88assertEquals("Capybara", animal);
89
90Debug.setListener(null);
91