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// Flags: --turbo-deoptimization
30
31// Test that a variable in the local scope that shadows a context-allocated
32// variable is correctly resolved when being evaluated in the debugger.
33
34Debug = debug.Debug;
35
36var exception = false;
37
38function listener(event, exec_state, event_data, data) {
39  if (event != Debug.DebugEvent.Break) return;
40  var breakpoint = exec_state.frame(0);
41  try {
42    // Assert correct break point.
43    assertTrue(breakpoint.sourceLineText().indexOf("// Break") > -1);
44    // Assert correct value.
45    assertEquals(3, breakpoint.evaluate('x').value());
46  } catch (e) {
47    exception = e;
48  }
49}
50
51Debug.setListener(listener);
52
53function h() {
54  var x;  // Context-allocated due to g().
55
56  var g = function g() {
57    x = -7;
58  };
59
60  var f = function f() {
61    var x = 3;  // Allocated in the local scope.
62    debugger;  // Break.
63  };
64
65  f();
66}
67
68h();
69
70assertFalse(exception);
71