Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2013 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 | assertEquals(1, String.prototype.includes.length); |
| 29 | |
| 30 | var reString = "asdf[a-z]+(asdf)?"; |
| 31 | assertTrue(reString.includes("[a-z]+")); |
| 32 | assertTrue(reString.includes("(asdf)?")); |
| 33 | |
| 34 | // Random greek letters |
| 35 | var twoByteString = "\u039a\u0391\u03a3\u03a3\u0395"; |
| 36 | |
| 37 | // Test single char pattern |
| 38 | assertTrue(twoByteString.includes("\u039a"), "Lamda"); |
| 39 | assertTrue(twoByteString.includes("\u0391"), "Alpha"); |
| 40 | assertTrue(twoByteString.includes("\u03a3"), "First Sigma"); |
| 41 | assertTrue(twoByteString.includes("\u03a3",3), "Second Sigma"); |
| 42 | assertTrue(twoByteString.includes("\u0395"), "Epsilon"); |
| 43 | assertFalse(twoByteString.includes("\u0392"), "Not beta"); |
| 44 | |
| 45 | // Test multi-char pattern |
| 46 | assertTrue(twoByteString.includes("\u039a\u0391"), "lambda Alpha"); |
| 47 | assertTrue(twoByteString.includes("\u0391\u03a3"), "Alpha Sigma"); |
| 48 | assertTrue(twoByteString.includes("\u03a3\u03a3"), "Sigma Sigma"); |
| 49 | assertTrue(twoByteString.includes("\u03a3\u0395"), "Sigma Epsilon"); |
| 50 | |
| 51 | assertFalse(twoByteString.includes("\u0391\u03a3\u0395"), |
| 52 | "Not Alpha Sigma Epsilon"); |
| 53 | |
| 54 | //single char pattern |
| 55 | assertTrue(twoByteString.includes("\u0395")); |
| 56 | |
| 57 | assertThrows("String.prototype.includes.call(null, 'test')", TypeError); |
| 58 | assertThrows("String.prototype.includes.call(null, null)", TypeError); |
| 59 | assertThrows("String.prototype.includes.call(undefined, undefined)", TypeError); |
| 60 | |
| 61 | assertThrows("String.prototype.includes.apply(null, ['test'])", TypeError); |
| 62 | assertThrows("String.prototype.includes.apply(null, [null])", TypeError); |
| 63 | assertThrows("String.prototype.includes.apply(undefined, [undefined])", TypeError); |
| 64 | |
| 65 | var TEST_INPUT = [{ |
| 66 | msg: "Empty string", val: "" |
| 67 | }, { |
| 68 | msg: "Number 1234.34", val: 1234.34 |
| 69 | }, { |
| 70 | msg: "Integer number 0", val: 0 |
| 71 | }, { |
| 72 | msg: "Negative number -1", val: -1 |
| 73 | }, { |
| 74 | msg: "Boolean true", val: true |
| 75 | }, { |
| 76 | msg: "Boolean false", val: false |
| 77 | }, { |
| 78 | msg: "Empty array []", val: [] |
| 79 | }, { |
| 80 | msg: "Empty object {}", val: {} |
| 81 | }, { |
| 82 | msg: "Array of size 3", val: new Array(3) |
| 83 | }]; |
| 84 | |
| 85 | var i = 0; |
| 86 | var l = TEST_INPUT.length; |
| 87 | |
| 88 | for (; i < l; i++) { |
| 89 | var e = TEST_INPUT[i]; |
| 90 | var v = e.val; |
| 91 | var s = String(v); |
| 92 | assertTrue(s.includes(v), e.msg); |
| 93 | assertTrue(String.prototype.includes.call(v, v), e.msg); |
| 94 | assertTrue(String.prototype.includes.apply(v, [v]), e.msg); |
| 95 | } |
| 96 | |
| 97 | // Test cases found in FF |
| 98 | assertTrue("abc".includes("a")); |
| 99 | assertTrue("abc".includes("b")); |
| 100 | assertTrue("abc".includes("abc")); |
| 101 | assertTrue("abc".includes("bc")); |
| 102 | assertFalse("abc".includes("d")); |
| 103 | assertFalse("abc".includes("abcd")); |
| 104 | assertFalse("abc".includes("ac")); |
| 105 | assertTrue("abc".includes("abc", 0)); |
| 106 | assertTrue("abc".includes("bc", 0)); |
| 107 | assertFalse("abc".includes("de", 0)); |
| 108 | assertTrue("abc".includes("bc", 1)); |
| 109 | assertTrue("abc".includes("c", 1)); |
| 110 | assertFalse("abc".includes("a", 1)); |
| 111 | assertFalse("abc".includes("abc", 1)); |
| 112 | assertTrue("abc".includes("c", 2)); |
| 113 | assertFalse("abc".includes("d", 2)); |
| 114 | assertFalse("abc".includes("dcd", 2)); |
| 115 | assertFalse("abc".includes("a", 42)); |
| 116 | assertFalse("abc".includes("a", Infinity)); |
| 117 | assertTrue("abc".includes("ab", -43)); |
| 118 | assertFalse("abc".includes("cd", -42)); |
| 119 | assertTrue("abc".includes("ab", -Infinity)); |
| 120 | assertFalse("abc".includes("cd", -Infinity)); |
| 121 | assertTrue("abc".includes("ab", NaN)); |
| 122 | assertFalse("abc".includes("cd", NaN)); |
| 123 | assertFalse("xyzzy".includes("zy\0", 2)); |
| 124 | |
| 125 | var dots = Array(10000).join("."); |
| 126 | assertFalse(dots.includes("\x01", 10000)); |
| 127 | assertFalse(dots.includes("\0", 10000)); |
| 128 | |
| 129 | var myobj = { |
| 130 | toString: function () { |
| 131 | return "abc"; |
| 132 | }, |
| 133 | includes: String.prototype.includes |
| 134 | }; |
| 135 | assertTrue(myobj.includes("abc")); |
| 136 | assertFalse(myobj.includes("cd")); |
| 137 | |
| 138 | var gotStr = false; |
| 139 | var gotPos = false; |
| 140 | myobj = { |
| 141 | toString: function () { |
| 142 | assertFalse(gotPos); |
| 143 | gotStr = true; |
| 144 | return "xyz"; |
| 145 | }, |
| 146 | includes: String.prototype.includes |
| 147 | }; |
| 148 | |
| 149 | assertEquals("foo[a-z]+(bar)?".includes("[a-z]+"), true); |
| 150 | assertThrows("'foo[a-z]+(bar)?'.includes(/[a-z]+/)", TypeError); |
| 151 | assertThrows("'foo/[a-z]+/(bar)?'.includes(/[a-z]+/)", TypeError); |
| 152 | assertEquals("foo[a-z]+(bar)?".includes("(bar)?"), true); |
| 153 | assertThrows("'foo[a-z]+(bar)?'.includes(/(bar)?/)", TypeError); |
| 154 | assertThrows("'foo[a-z]+/(bar)?/'.includes(/(bar)?/)", TypeError); |
| 155 | |
| 156 | assertThrows("String.prototype.includes.call({ 'toString': function() { " + |
| 157 | "throw RangeError(); } }, /./)", RangeError); |
| 158 | assertThrows("String.prototype.includes.call({ 'toString': function() { " + |
| 159 | "return 'abc'; } }, /./)", TypeError); |
| 160 | |
| 161 | assertThrows("String.prototype.includes.apply({ 'toString': function() { " + |
| 162 | "throw RangeError(); } }, [/./])", RangeError); |
| 163 | assertThrows("String.prototype.includes.apply({ 'toString': function() { " + |
| 164 | "return 'abc'; } }, [/./])", TypeError); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 165 | |
| 166 | // includes does its brand checks with Symbol.match |
| 167 | var re = /./; |
| 168 | assertThrows(function() { |
| 169 | "".includes(re); |
| 170 | }, TypeError); |
| 171 | re[Symbol.match] = false; |
| 172 | assertEquals(false, "".includes(re)); |