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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
32listenerComplete = false;
33exception = false;
34
35
36function h() {
37  var a = 1;
38  var b = 2;
39  debugger;  // Breakpoint.
40}
41
42function checkFrame0(frame) {
43  // Frame 0 (h) has normal variables a and b.
44  var count = frame.localCount();
45  assertEquals(2, count);
46  for (var i = 0; i < count; ++i) {
47    var name = frame.localName(i);
48    var value = frame.localValue(i).value();
49    if (name == 'a') {
50      assertEquals(1, value);
51    } else {
52      assertEquals('b', name);
53      assertEquals(2, value);
54    }
55  }
56}
57
58
59function g() {
60  var a = 3;
61  eval("var b = 4;");
62  h();
63}
64
65function checkFrame1(frame) {
66  // Frame 1 (g) has normal variable a (and arguments).
67  var count = frame.localCount();
68  assertEquals(2, count);
69  for (var i = 0; i < count; ++i) {
70    var name = frame.localName(i);
71    var value = frame.localValue(i).value();
72    if (name == 'a') {
73      assertEquals(3, value);
74    } else {
75      assertEquals('arguments', name);
76    }
77  }
78}
79
80
81function f() {
82  var a = 5;
83  var b = 0;
84  with ({b:6}) {
85    g();
86  }
87}
88
89function checkFrame2(frame) {
90  // Frame 2 (f) has normal variables a and b (and arguments).
91  var count = frame.localCount();
92  assertEquals(3, count);
93  for (var i = 0; i < count; ++i) {
94    var name = frame.localName(i);
95    var value = frame.localValue(i).value();
96    if (name == 'a') {
97      assertEquals(5, value);
98    } else if (name == 'b') {
99      assertEquals(0, value);
100    } else {
101      assertEquals('arguments', name);
102    }
103  }
104}
105
106
107function listener(event, exec_state, event_data, data) {
108  try {
109    if (event == Debug.DebugEvent.Break)
110    {
111      checkFrame0(exec_state.frame(0));
112      checkFrame1(exec_state.frame(1));
113      checkFrame2(exec_state.frame(2));
114
115      // Evaluating a and b on frames 0, 1 and 2 produces 1, 2, 3, 4, 5 and 6.
116      assertEquals(1, exec_state.frame(0).evaluate('a').value());
117      assertEquals(2, exec_state.frame(0).evaluate('b').value());
118      assertEquals(3, exec_state.frame(1).evaluate('a').value());
119      assertEquals(4, exec_state.frame(1).evaluate('b').value());
120      assertEquals(5, exec_state.frame(2).evaluate('a').value());
121      assertEquals(6, exec_state.frame(2).evaluate('b').value());
122
123      // Indicate that all was processed.
124      listenerComplete = true;
125    }
126  } catch (e) {
127    exception = e
128  };
129};
130
131// Add the debug event listener.
132Debug.setListener(listener);
133
134f();
135
136// Make sure that the debug event listener vas invoked.
137assertTrue(listenerComplete);
138assertFalse(exception, "exception in listener")
139