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
32var exception = null;
33var state = 0;
34
35// Simple debug event handler which first time will cause 'step in' action
36// to get into g.call and than check that execution is pauesed inside
37// function 'g'.
38function listener(event, exec_state, event_data, data) {
39  try {
40    if (event == Debug.DebugEvent.Break) {
41      if (state == 0) {
42        // Step into f2.call:
43        exec_state.prepareStep(Debug.StepAction.StepIn, 2);
44        state = 2;
45      } else if (state == 2) {
46        assertEquals('g', event_data.func().name());
47        assertEquals('  return t + 1; // expected line',
48                     event_data.sourceLineText());
49        state = 3;
50      }
51    }
52  } catch(e) {
53    exception = e;
54  }
55};
56
57// Add the debug event listener.
58Debug.setListener(listener);
59
60
61// Sample functions.
62function g(t) {
63  return t + 1; // expected line
64}
65
66// Test step into function call from a function without local variables.
67function call1() {
68  debugger;
69  g.call(null, 3);
70}
71
72
73// Test step into function call from a function with some local variables.
74function call2() {
75  var aLocalVar = 'test';
76  var anotherLocalVar  = g(aLocalVar) + 's';
77  var yetAnotherLocal = 10;
78  debugger;
79  g.call(null, 3);
80}
81
82// Test step into function call which is a part of an expression.
83function call3() {
84  var alias = g;
85  debugger;
86  var r = 10 + alias.call(null, 3);
87  var aLocalVar = 'test';
88  var anotherLocalVar  = g(aLocalVar) + 's';
89  var yetAnotherLocal = 10;
90}
91
92// Test step into function call from a function with some local variables.
93function call4() {
94  var alias = g;
95  debugger;
96  alias.call(null, 3);
97  var aLocalVar = 'test';
98  var anotherLocalVar  = g(aLocalVar) + 's';
99  var yetAnotherLocal = 10;
100}
101
102// Test step into function apply from a function without local variables.
103function apply1() {
104  debugger;
105  g.apply(null, [3]);
106}
107
108
109// Test step into function apply from a function with some local variables.
110function apply2() {
111  var aLocalVar = 'test';
112  var anotherLocalVar  = g(aLocalVar) + 's';
113  var yetAnotherLocal = 10;
114  debugger;
115  g.apply(null, [3, 4]);
116}
117
118// Test step into function apply which is a part of an expression.
119function apply3() {
120  var alias = g;
121  debugger;
122  var r = 10 + alias.apply(null, [3, 'unused arg']);
123  var aLocalVar = 'test';
124  var anotherLocalVar  = g(aLocalVar) + 's';
125  var yetAnotherLocal = 10;
126}
127
128// Test step into function apply from a function with some local variables.
129function apply4() {
130  var alias = g;
131  debugger;
132  alias.apply(null, [3]);
133  var aLocalVar = 'test';
134  var anotherLocalVar  = g(aLocalVar) + 's';
135  var yetAnotherLocal = 10;
136}
137
138// Test step into bound function.
139function bind1() {
140  var bound = g.bind(null, 3);
141  debugger;
142  bound();
143}
144
145// Test step into apply of bound function.
146function applyAndBind1() {
147  var bound = g.bind(null, 3);
148  debugger;
149  bound.apply(null, [3]);
150  var aLocalVar = 'test';
151  var anotherLocalVar  = g(aLocalVar) + 's';
152  var yetAnotherLocal = 10;
153}
154
155var testFunctions =
156    [call1, call2, call3, call4, apply1, apply2, apply3, apply4, bind1,
157    applyAndBind1];
158
159for (var i = 0; i < testFunctions.length; i++) {
160  state = 0;
161  testFunctions[i]();
162  assertNull(exception);
163  assertEquals(3, state);
164}
165
166// Test global bound function.
167state = 0;
168var globalBound = g.bind(null, 3);
169debugger;
170globalBound();
171assertNull(exception);
172assertEquals(3, state);
173
174// Get rid of the debug event listener.
175Debug.setListener(null);
176