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
28function f0() {
29  return this;
30}
31
32assertTrue(this === f0.call(), "1");
33
34assertTrue(this === f0.call(this), "w");
35assertTrue(this === f0.call(this, 1), "w");
36assertTrue(this === f0.call(this, 1, 2), "w");
37
38assertTrue(this === f0.call(null), "3a");
39assertTrue(this === f0.call(null, 1), "3b");
40assertTrue(this === f0.call(null, 1, 2), "3c");
41
42assertTrue(this === f0.call(void 0), "4a");
43assertTrue(this === f0.call(void 0, 1), "4b");
44assertTrue(this === f0.call(void 0, 1, 2), "4c");
45
46var x = {};
47assertTrue(x === f0.call(x));
48assertTrue(x === f0.call(x, 1));
49assertTrue(x === f0.call(x, 1, 2));
50
51
52function f1(a) {
53  a = a || 'i';
54  return this[a];
55}
56
57assertEquals(1, f1.call({i:1}));
58assertEquals(42, f1.call({i:42}, 'i'));
59assertEquals(87, f1.call({j:87}, 'j', 1));
60assertEquals(99, f1.call({k:99}, 'k', 1, 2));
61
62
63function f2(a, b) {
64  a = a || 'n';
65  b = b || 2;
66  return this[a] + b;
67}
68
69var x = {n: 1};
70assertEquals(3, f2.call(x));
71assertEquals(14, f2.call({i:12}, 'i'));
72assertEquals(42, f2.call(x, 'n', 41));
73assertEquals(87, f2.call(x, 'n', 86, 1));
74assertEquals(99, f2.call(x, 'n', 98, 1, 2));
75
76
77function fn() {
78  return arguments.length;
79}
80
81assertEquals(0, fn.call());
82assertEquals(0, fn.call(this));
83assertEquals(0, fn.call(null));
84assertEquals(0, fn.call(void 0));
85assertEquals(1, fn.call(this, 1));
86assertEquals(2, fn.call(this, 1, 2));
87assertEquals(3, fn.call(this, 1, 2, 3));
88