1// Copyright JS Foundation and other contributors, http://js.foundation
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15var idx = 0;
16for (var [a,b] of [[1,2], [3,4]])
17{
18  if (idx == 0)
19  {
20    assert(a === 1);
21    assert(b === 2);
22    idx = 1;
23  }
24  else
25  {
26    assert(a === 3);
27    assert(b === 4);
28  }
29}
30
31assert(a === 3);
32assert(b === 4);
33
34idx = 0;
35for (let [a,b] of [[5,6], [7,8]])
36{
37  if (idx == 0)
38  {
39    assert(a === 5);
40    assert(b === 6);
41    idx = 1;
42  }
43  else
44  {
45    assert(a === 7);
46    assert(b === 8);
47  }
48}
49
50assert(a === 3);
51assert(b === 4);
52
53idx = 0;
54for (let [a,b] of [[11,12], [13,14]])
55{
56  if (idx == 0)
57  {
58    eval("assert(a === 11)");
59    eval("assert(b === 12)");
60    idx = 1;
61  }
62  else
63  {
64    eval("assert(a === 13)");
65    eval("assert(b === 14)");
66  }
67}
68
69assert(a === 3);
70assert(b === 4);
71
72try {
73  eval("for (let [a,b] = [1,2] of [[3,4]]) {}");
74  assert(false);
75} catch (e) {
76  assert(e instanceof SyntaxError);
77}
78