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.endsWith.length); 31 32 var testString = "Hello World"; 33 assertTrue(testString.endsWith("")); 34 assertTrue(testString.endsWith("World")); 35 assertFalse(testString.endsWith("world")); 36 assertFalse(testString.endsWith("Hello World!")); 37 assertFalse(testString.endsWith(null)); 38 assertFalse(testString.endsWith(undefined)); 39 40 assertTrue("null".endsWith(null)); 41 assertTrue("undefined".endsWith(undefined)); 42 43 var georgianUnicodeString = "\u10D0\u10D1\u10D2\u10D3\u10D4\u10D5\u10D6\u10D7"; 44 assertTrue(georgianUnicodeString.endsWith(georgianUnicodeString)); 45 assertTrue(georgianUnicodeString.endsWith("\u10D4\u10D5\u10D6\u10D7")); 46 assertFalse(georgianUnicodeString.endsWith("\u10D0")); 47 48 assertThrows("String.prototype.endsWith.call(null, 'test')", TypeError); 49 assertThrows("String.prototype.endsWith.call(null, null)", TypeError); 50 assertThrows("String.prototype.endsWith.call(undefined, undefined)", TypeError); 51 52 assertThrows("String.prototype.endsWith.apply(null, ['test'])", TypeError); 53 assertThrows("String.prototype.endsWith.apply(null, [null])", TypeError); 54 assertThrows("String.prototype.endsWith.apply(undefined, [undefined])", TypeError); 55 56 var TEST_INPUT = [{ 57 msg: "Empty string", val: "" 58 }, { 59 msg: "Number 1234.34", val: 1234.34 60 }, { 61 msg: "Integer number 0", val: 0 62 }, { 63 msg: "Negative number -1", val: -1 64 }, { 65 msg: "Boolean true", val: true 66 }, { 67 msg: "Boolean false", val: false 68 }, { 69 msg: "Regular expression /\d+/", val: /\d+/ 70 }, { 71 msg: "Empty array []", val: [] 72 }, { 73 msg: "Empty object {}", val: {} 74 }, { 75 msg: "Array of size 3", val: new Array(3) 76 }]; 77 78 function testNonStringValues() { 79 var i = 0; 80 var l = TEST_INPUT.length; 81 82 for (; i < l; i++) { 83 var e = TEST_INPUT[i]; 84 var v = e.val; 85 var s = String(v); 86 assertTrue(s.endsWith(v), e.msg); 87 assertTrue(String.prototype.endsWith.call(v, v), e.msg); 88 assertTrue(String.prototype.endsWith.apply(v, [v]), e.msg); 89 } 90 } 91 testNonStringValues(); 92 93 var CustomType = function(value) { 94 this.endsWith = String.prototype.endsWith; 95 this.toString = function() { 96 return String(value); 97 } 98 }; 99 100 function testCutomType() { 101 var i = 0; 102 var l = TEST_INPUT.length; 103 104 for (; i < l; i++) { 105 var e = TEST_INPUT[i]; 106 var v = e.val; 107 var o = new CustomType(v); 108 assertTrue(o.endsWith(v), e.msg); 109 } 110 } 111 testCutomType(); 112 113 114 // Test cases found in FF 115 assertTrue("abc".endsWith("abc")); 116 assertTrue("abcd".endsWith("bcd")); 117 assertTrue("abc".endsWith("c")); 118 assertFalse("abc".endsWith("abcd")); 119 assertFalse("abc".endsWith("bbc")); 120 assertFalse("abc".endsWith("b")); 121 assertTrue("abc".endsWith("abc", 3)); 122 assertTrue("abc".endsWith("bc", 3)); 123 assertFalse("abc".endsWith("a", 3)); 124 assertTrue("abc".endsWith("bc", 3)); 125 assertTrue("abc".endsWith("a", 1)); 126 assertFalse("abc".endsWith("abc", 1)); 127 assertTrue("abc".endsWith("b", 2)); 128 assertFalse("abc".endsWith("d", 2)); 129 assertFalse("abc".endsWith("dcd", 2)); 130 assertFalse("abc".endsWith("a", 42)); 131 assertTrue("abc".endsWith("bc", Infinity)); 132 assertFalse("abc".endsWith("a", Infinity)); 133 assertTrue("abc".endsWith("bc", undefined)); 134 assertFalse("abc".endsWith("bc", -43)); 135 assertFalse("abc".endsWith("bc", -Infinity)); 136 assertFalse("abc".endsWith("bc", NaN)); 137
