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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. | |
30 Debug = debug.Debug; | |
31 | |
32 var test_name; | |
33 var listener_delegate; | |
34 var listener_called; | |
35 var exception; | |
36 var expected_receiver; | |
37 var begin_test_count = 0; | |
38 var end_test_count = 0; | |
39 var 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. | |
44 function 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. | |
57 Debug.setListener(listener); | |
58 | |
59 | |
60 // Initialize for a new test. | |
61 function 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. | |
70 function 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. | |
79 function Strict() { "use strict"; debugger; } | |
80 function TestStrict(receiver) { | |
81 expected_receiver = receiver; | |
82 Strict.call(receiver); | |
83 } | |
84 | |
85 listener_delegate = function(exec_state) { | |
86 var receiver = exec_state.frame().receiver(); | |
87 assertEquals(expected_receiver, receiver.value()) | |
88 } | |
89 | |
90 BeginTest("strict: undefined"); TestStrict(undefined); EndTest(); | |
91 BeginTest("strict: null"); TestStrict(null); EndTest(); | |
92 BeginTest("strict: 1"); TestStrict(1); EndTest(); | |
93 BeginTest("strict: 1.2"); TestStrict(1.2); EndTest(); | |
94 BeginTest("strict: 'asdf'"); TestStrict('asdf'); EndTest(); | |
95 BeginTest("strict: true"); TestStrict(true); EndTest(); | |
96 | |
97 | |
98 // Check that the debugger correctly reflects the object conversion of | |
99 // the receiver for non-strict mode functions. | |
100 function NonStrict() { debugger; } | |
101 function TestNonStrict(receiver) { | |
102 // null and undefined should be transformed to the global object and | |
103 // primitives should be wrapped. | |
104 expected_receiver = (receiver == null) ? this : Object(receiver); | |
105 NonStrict.call(receiver); | |
106 } | |
107 | |
108 listener_delegate = function(exec_state) { | |
109 var receiver = exec_state.frame().receiver(); | |
110 assertEquals(expected_receiver, receiver.value()); | |
111 } | |
112 | |
113 BeginTest("non-strict: undefined"); TestNonStrict(undefined); EndTest(); | |
114 BeginTest("non-strict: null"); TestNonStrict(null); EndTest(); | |
115 BeginTest("non-strict: 1"); TestNonStrict(1); EndTest(); | |
116 BeginTest("non-strict: 1.2"); TestNonStrict(1.2); EndTest(); | |
117 BeginTest("non-strict: 'asdf'"); TestNonStrict('asdf'); EndTest(); | |
118 BeginTest("non-strict: true"); TestNonStrict(true); EndTest(); | |
119 | |
120 | |
121 assertEquals(begin_test_count, break_count, | |
122 'one or more tests did not enter the debugger'); | |
123 assertEquals(begin_test_count, end_test_count, | |
124 'one or more tests did not have its result checked'); | |
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