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