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1// Copyright 2011 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 test_name;
33var listener_delegate;
34var listener_called;
35var exception;
36var expected_receiver;
37var begin_test_count = 0;
38var end_test_count = 0;
39var break_count = 0;
40
41// Debug event listener which delegates. Exceptions have to be
42// explictly caught here and checked later because exception in the
43// listener are not propagated to the surrounding JavaScript code.
44function listener(event, exec_state, event_data, data) {
45  try {
46    if (event == Debug.DebugEvent.Break) {
47      break_count++;
48      listener_called = true;
49      listener_delegate(exec_state);
50    }
51  } catch (e) {
52    exception = e;
53  }
54}
55
56// Add the debug event listener.
57Debug.setListener(listener);
58
59
60// Initialize for a new test.
61function BeginTest(name) {
62  test_name = name;
63  listener_called = false;
64  exception = null;
65  begin_test_count++;
66}
67
68
69// Check result of a test.
70function EndTest() {
71  assertTrue(listener_called, "listerner not called for " + test_name);
72  assertNull(exception, test_name);
73  end_test_count++;
74}
75
76
77// Check that the debugger correctly reflects that the receiver is not
78// converted to object for strict mode functions.
79function Strict() { "use strict"; debugger; }
80function TestStrict(receiver) {
81  expected_receiver = receiver;
82  Strict.call(receiver);
83}
84
85listener_delegate = function(exec_state) {
86  var receiver = exec_state.frame().receiver();
87  assertTrue(!receiver.isObject());
88  assertEquals(expected_receiver, receiver.value())
89}
90
91BeginTest("strict: undefined"); TestStrict(undefined); EndTest();
92BeginTest("strict: null"); TestStrict(null); EndTest();
93BeginTest("strict: 1"); TestStrict(1); EndTest();
94BeginTest("strict: 1.2"); TestStrict(1.2); EndTest();
95BeginTest("strict: 'asdf'"); TestStrict('asdf'); EndTest();
96BeginTest("strict: true"); TestStrict(true); EndTest();
97
98
99// Check that the debugger correctly reflects the object conversion of
100// the receiver for non-strict mode functions.
101function NonStrict() { debugger; }
102function TestNonStrict(receiver) {
103  // null and undefined should be transformed to the global object and
104  // primitives should be wrapped.
105  expected_receiver = (receiver == null) ? this : Object(receiver);
106  NonStrict.call(receiver);
107}
108
109listener_delegate = function(exec_state) {
110  var receiver = exec_state.frame().receiver();
111  assertTrue(receiver.isObject());
112  assertEquals(expected_receiver, receiver.value());
113}
114
115BeginTest("non-strict: undefined"); TestNonStrict(undefined); EndTest();
116BeginTest("non-strict: null"); TestNonStrict(null); EndTest();
117BeginTest("non-strict: 1"); TestNonStrict(1); EndTest();
118BeginTest("non-strict: 1.2"); TestNonStrict(1.2); EndTest();
119BeginTest("non-strict: 'asdf'"); TestNonStrict('asdf'); EndTest();
120BeginTest("non-strict: true"); TestNonStrict(true); EndTest();
121
122
123assertEquals(begin_test_count, break_count,
124             'one or more tests did not enter the debugger');
125assertEquals(begin_test_count, end_test_count,
126             'one or more tests did not have its result checked');
127