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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.js. | |
29 | |
30 // Flags: --harmony-reflect | |
31 | |
32 | |
33 function props(x) { | |
34 var array = []; | |
35 for (var p of Reflect.enumerate(x)) array.push(p); | |
36 return array.sort(); | |
37 } | |
38 | |
39 assertEquals(0, props({}).length, "olen0"); | |
40 assertEquals(1, props({x:1}).length, "olen1"); | |
41 assertEquals(2, props({x:1, y:2}).length, "olen2"); | |
42 | |
43 assertArrayEquals(["x"], props({x:1}), "x"); | |
44 assertArrayEquals(["x", "y"], props({x:1, y:2}), "xy"); | |
45 assertArrayEquals(["x", "y", "zoom"], props({x:1, y:2, zoom:3}), "xyzoom"); | |
46 | |
47 assertEquals(0, props([]).length, "alen0"); | |
48 assertEquals(1, props([1]).length, "alen1"); | |
49 assertEquals(2, props([1,2]).length, "alen2"); | |
50 | |
51 assertArrayEquals(["0"], props([1]), "0"); | |
52 assertArrayEquals(["0", "1"], props([1,2]), "01"); | |
53 assertArrayEquals(["0", "1", "2"], props([1,2,3]), "012"); | |
54 | |
55 var o = {}; | |
56 var a = []; | |
57 for (var i = 0x0020; i < 0x01ff; i+=2) { | |
58 var s = 'char:' + String.fromCharCode(i); | |
59 a.push(s); | |
60 o[s] = i; | |
61 } | |
62 assertArrayEquals(a, props(o), "charcodes"); | |
63 | |
64 var a = []; | |
65 assertEquals(0, props(a).length, "proplen0"); | |
66 a[Math.pow(2,30)-1] = 0; | |
67 assertEquals(1, props(a).length, "proplen1"); | |
68 a[Math.pow(2,31)-1] = 0; | |
69 assertEquals(2, props(a).length, "proplen2"); | |
70 a[1] = 0; | |
71 assertEquals(3, props(a).length, "proplen3"); | |
72 | |
73 var result = ''; | |
74 for (var p of Reflect.enumerate({a : [0], b : 1})) { result += p; } | |
75 assertEquals('ab', result, "ab"); | |
76 | |
77 var result = ''; | |
78 for (var p of Reflect.enumerate({a : {v:1}, b : 1})) { result += p; } | |
79 assertEquals('ab', result, "ab-nodeep"); | |
80 | |
81 var result = ''; | |
82 for (var p of Reflect.enumerate({ get a() {}, b : 1})) { result += p; } | |
83 assertEquals('ab', result, "abget"); | |
84 | |
85 var result = ''; | |
86 for (var p of Reflect.enumerate({ get a() {}, set a(x) {}, b : 1})) { | |
87 result += p; | |
88 } | |
89 assertEquals('ab', result, "abgetset"); | |
90 | |
91 (function() { | |
92 var large_key = 2147483650; | |
93 var o = {__proto__: {}}; | |
94 o[large_key] = 1; | |
95 o.__proto__[large_key] = 1; | |
96 var keys = []; | |
97 for (var k of Reflect.enumerate(o)) { | |
98 keys.push(k); | |
99 } | |
100 assertEquals(["2147483650"], keys); | |
101 })(); | |
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