1// Copyright 2008-2015 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// This is adapted from mjsunit/for-in-special-cases.js.
29
30// Flags: --harmony-reflect
31
32
33function Accumulate(x) {
34  var accumulator = "";
35  for (var i of Reflect.enumerate(Object(x))) {
36    accumulator += i;
37  }
38  return accumulator;
39}
40
41for (var i = 0; i < 3; ++i) {
42  var elements = Accumulate("abcd");
43  // We do not assume that enumerate enumerates elements in order.
44  assertTrue(-1 != elements.indexOf("0"));
45  assertTrue(-1 != elements.indexOf("1"));
46  assertTrue(-1 != elements.indexOf("2"));
47  assertTrue(-1 != elements.indexOf("3"));
48  assertEquals(4, elements.length);
49}
50
51function for_in_string_prototype() {
52
53  var x = new String("abc");
54  x.foo = 19;
55  function B() {
56    this.bar = 5;
57    this[7] = 4;
58  }
59  B.prototype = x;
60
61  var y = new B();
62  y.gub = 13;
63
64  var elements = Accumulate(y);
65  var elements1 = Accumulate(y);
66  // If enumerate returns elements in a different order on multiple calls, this
67  // assert will fail.  If that happens, consider if that behavior is OK.
68  assertEquals(elements, elements1, "Enumeration not the same both times.");
69  // We do not assume that enumerate enumerates elements in order.
70  assertTrue(-1 != elements.indexOf("0"));
71  assertTrue(-1 != elements.indexOf("1"));
72  assertTrue(-1 != elements.indexOf("2"));
73  assertTrue(-1 != elements.indexOf("7"));
74  assertTrue(-1 != elements.indexOf("foo"));
75  assertTrue(-1 != elements.indexOf("bar"));
76  assertTrue(-1 != elements.indexOf("gub"));
77  assertEquals(13, elements.length);
78
79  elements = Accumulate(x);
80  assertTrue(-1 != elements.indexOf("0"));
81  assertTrue(-1 != elements.indexOf("1"));
82  assertTrue(-1 != elements.indexOf("2"));
83  assertTrue(-1 != elements.indexOf("foo"));
84  assertEquals(6, elements.length);
85}
86
87for_in_string_prototype();
88for_in_string_prototype();
89