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Issue 1024813002: Remove harmony-strings flag. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 9 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Flags: --harmony-strings
6
7 // Tests taken from:
8 // https://github.com/mathiasbynens/String.prototype.codePointAt
9
10 assertEquals(String.prototype.codePointAt.length, 1);
11 assertEquals(String.prototype.propertyIsEnumerable("codePointAt"), false);
12
13 // String that starts with a BMP symbol
14 assertEquals("abc\uD834\uDF06def".codePointAt(""), 0x61);
15 assertEquals("abc\uD834\uDF06def".codePointAt("_"), 0x61);
16 assertEquals("abc\uD834\uDF06def".codePointAt(), 0x61);
17 assertEquals("abc\uD834\uDF06def".codePointAt(-Infinity), undefined);
18 assertEquals("abc\uD834\uDF06def".codePointAt(-1), undefined);
19 assertEquals("abc\uD834\uDF06def".codePointAt(-0), 0x61);
20 assertEquals("abc\uD834\uDF06def".codePointAt(0), 0x61);
21 assertEquals("abc\uD834\uDF06def".codePointAt(3), 0x1D306);
22 assertEquals("abc\uD834\uDF06def".codePointAt(4), 0xDF06);
23 assertEquals("abc\uD834\uDF06def".codePointAt(5), 0x64);
24 assertEquals("abc\uD834\uDF06def".codePointAt(42), undefined);
25 assertEquals("abc\uD834\uDF06def".codePointAt(Infinity), undefined);
26 assertEquals("abc\uD834\uDF06def".codePointAt(Infinity), undefined);
27 assertEquals("abc\uD834\uDF06def".codePointAt(NaN), 0x61);
28 assertEquals("abc\uD834\uDF06def".codePointAt(false), 0x61);
29 assertEquals("abc\uD834\uDF06def".codePointAt(null), 0x61);
30 assertEquals("abc\uD834\uDF06def".codePointAt(undefined), 0x61);
31
32 // String that starts with an astral symbol
33 assertEquals("\uD834\uDF06def".codePointAt(""), 0x1D306);
34 assertEquals("\uD834\uDF06def".codePointAt("1"), 0xDF06);
35 assertEquals("\uD834\uDF06def".codePointAt("_"), 0x1D306);
36 assertEquals("\uD834\uDF06def".codePointAt(), 0x1D306);
37 assertEquals("\uD834\uDF06def".codePointAt(-1), undefined);
38 assertEquals("\uD834\uDF06def".codePointAt(-0), 0x1D306);
39 assertEquals("\uD834\uDF06def".codePointAt(0), 0x1D306);
40 assertEquals("\uD834\uDF06def".codePointAt(1), 0xDF06);
41 assertEquals("\uD834\uDF06def".codePointAt(42), undefined);
42 assertEquals("\uD834\uDF06def".codePointAt(false), 0x1D306);
43 assertEquals("\uD834\uDF06def".codePointAt(null), 0x1D306);
44 assertEquals("\uD834\uDF06def".codePointAt(undefined), 0x1D306);
45
46 // Lone high surrogates
47 assertEquals("\uD834abc".codePointAt(""), 0xD834);
48 assertEquals("\uD834abc".codePointAt("_"), 0xD834);
49 assertEquals("\uD834abc".codePointAt(), 0xD834);
50 assertEquals("\uD834abc".codePointAt(-1), undefined);
51 assertEquals("\uD834abc".codePointAt(-0), 0xD834);
52 assertEquals("\uD834abc".codePointAt(0), 0xD834);
53 assertEquals("\uD834abc".codePointAt(false), 0xD834);
54 assertEquals("\uD834abc".codePointAt(NaN), 0xD834);
55 assertEquals("\uD834abc".codePointAt(null), 0xD834);
56 assertEquals("\uD834abc".codePointAt(undefined), 0xD834);
57
58 // Lone low surrogates
59 assertEquals("\uDF06abc".codePointAt(""), 0xDF06);
60 assertEquals("\uDF06abc".codePointAt("_"), 0xDF06);
61 assertEquals("\uDF06abc".codePointAt(), 0xDF06);
62 assertEquals("\uDF06abc".codePointAt(-1), undefined);
63 assertEquals("\uDF06abc".codePointAt(-0), 0xDF06);
64 assertEquals("\uDF06abc".codePointAt(0), 0xDF06);
65 assertEquals("\uDF06abc".codePointAt(false), 0xDF06);
66 assertEquals("\uDF06abc".codePointAt(NaN), 0xDF06);
67 assertEquals("\uDF06abc".codePointAt(null), 0xDF06);
68 assertEquals("\uDF06abc".codePointAt(undefined), 0xDF06);
69
70 assertThrows(function() {
71 String.prototype.codePointAt.call(undefined);
72 }, TypeError);
73 assertThrows(function() {
74 String.prototype.codePointAt.call(undefined, 4);
75 }, TypeError);
76 assertThrows(function() {
77 String.prototype.codePointAt.call(null);
78 }, TypeError);
79 assertThrows(function() {
80 String.prototype.codePointAt.call(null, 4);
81 }, TypeError);
82 assertEquals(String.prototype.codePointAt.call(42, 0), 0x34);
83 assertEquals(String.prototype.codePointAt.call(42, 1), 0x32);
84 assertEquals(String.prototype.codePointAt.call({
85 toString: function() { return "abc"; }
86 }, 2), 0x63);
87 var tmp = 0;
88 assertEquals(String.prototype.codePointAt.call({
89 toString: function() { ++tmp; return String(tmp); }
90 }, 0), 0x31);
91 assertEquals(tmp, 1);
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