1// Copyright 2009 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
30// Get the Debug object exposed from the debug context global object.
31Debug = debug.Debug
32
33var exception = null;
34var state = 1;
35var expected_source_line_text = null;
36var expected_function_name = null;
37
38// Simple debug event handler which first time will cause 'step in' action
39// and than check that execution is paused inside function
40// expected_function_name.
41function listener(event, exec_state, event_data, data) {
42  try {
43    if (event == Debug.DebugEvent.Break) {
44      if (state == 1) {
45        exec_state.prepareStep(Debug.StepAction.StepIn, 2);
46        state = 2;
47      } else if (state == 2) {
48        assertEquals(expected_function_name, event_data.func().name());
49        assertEquals(expected_source_line_text,
50                     event_data.sourceLineText());
51        state = 3;
52      }
53    }
54  } catch(e) {
55    exception = e;
56  }
57};
58
59// Add the debug event listener.
60Debug.setListener(listener);
61
62var a = [1,2,3,4,5];
63
64// Test step into function call from a function without local variables.
65function testStepInArraySlice() {
66  expected_function_name = 'testStepInArraySlice';
67  expected_source_line_text = '}  // expected line';
68  debugger;
69  var s = Array.prototype.slice.call(a, 2,3);
70}  // expected line
71
72state = 1;
73testStepInArraySlice();
74assertNull(exception);
75assertEquals(3, state);
76
77// Get rid of the debug event listener.
78Debug.setListener(null);
79