1// Copyright 2010 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: --nocrankshaft
29
30var functionToCatch;
31var lineNumber;
32
33function catchLineNumber () {
34  var x = {};
35
36  Error.prepareStackTrace = function (error, stackTrace) {
37    stackTrace.some(function (frame) {
38      if (frame.getFunction() == functionToCatch) {
39        lineNumber = frame.getLineNumber();
40        return true;
41      }
42      return false;
43    });
44    return lineNumber;
45  };
46
47  Error.captureStackTrace(x);
48  return x.stack;
49}
50
51function log() {
52  catchLineNumber();
53}
54
55function foo() {}
56
57function test1() {
58  log(foo() == foo()
59      ? 'a'
60      : 'b');
61}
62
63function test2() {
64  var o = { foo: function () {}}
65  log(o.foo() == o.foo()
66      ? 'a'
67      : 'b');
68}
69
70function test3() {
71  var o = { log: log, foo: function() { } };
72  o.log(o.foo() == o.foo()
73      ? 'a'
74      : 'b');
75
76}
77
78function test(f, expectedLineNumber) {
79  functionToCatch = f;
80  f();
81
82  assertEquals(expectedLineNumber, lineNumber);
83}
84
85test(test1, 58);
86test(test2, 65);
87test(test3, 72);
88
89eval(test1.toString() + "//@ sourceUrl=foo");
90eval(test2.toString() + "//@ sourceUrl=foo");
91eval(test3.toString() + "//@ sourceUrl=foo");
92
93test(test1, 2);
94test(test2, 3);
95test(test3, 3);
96