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("000", String.prototype.repeat.call(0, 3)); 29 assertEquals("-1-1-1", String.prototype.repeat.call(-1, 3)); 30 assertEquals("2.12.12.1", String.prototype.repeat.call(2.1, 3)); 31 assertEquals("", String.prototype.repeat.call([], 3)); 32 assertEquals("1,2,3", String.prototype.repeat.call([1, 2, 3], 1)); 33 assertEquals("true", String.prototype.repeat.call(true, 1)); 34 assertEquals("false", String.prototype.repeat.call(false, 1)); 35 assertEquals("[object Object]", String.prototype.repeat.call({}, 1)); 36 37 assertEquals("000", String.prototype.repeat.apply(0, [3])); 38 assertEquals("-1-1-1", String.prototype.repeat.apply(-1, [3])); 39 assertEquals("2.12.12.1", String.prototype.repeat.apply(2.1, [3])); 40 assertEquals("", String.prototype.repeat.apply([], [3])); 41 assertEquals("1,2,3", String.prototype.repeat.apply([1, 2, 3], [1])); 42 assertEquals("true", String.prototype.repeat.apply(true, [1])); 43 assertEquals("false", String.prototype.repeat.apply(false, [1])); 44 assertEquals("[object Object]", String.prototype.repeat.apply({}, [1])); 45 46 assertEquals("\u10D8\u10D8\u10D8", "\u10D8".repeat(3)); 47 48 assertThrows('String.prototype.repeat.call(null, 1)', TypeError); 49 assertThrows('String.prototype.repeat.call(undefined, 1)', TypeError); 50 assertThrows('String.prototype.repeat.apply(null, [1])', TypeError); 51 assertThrows('String.prototype.repeat.apply(undefined, [1])', TypeError); 52 53 // Test cases found in FF 54 assertEquals("abc", "abc".repeat(1)); 55 assertEquals("abcabc", "abc".repeat(2)); 56 assertEquals("abcabcabc", "abc".repeat(3)); 57 assertEquals("aaaaaaaaaa", "a".repeat(10)); 58 assertEquals("", "".repeat(5)); 59 assertEquals("", "abc".repeat(0)); 60 assertEquals("abcabc", "abc".repeat(2.0)); 61 62 assertEquals("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "a".repeat(37)); 63 assertThrows('"a".repeat(-1)', RangeError); 64 assertThrows('"a".repeat(Number.POSITIVE_INFINITY)', RangeError); 65 assertThrows('"a".repeat(Math.pow(2, 30))', RangeError); 66 assertThrows('"a".repeat(Math.pow(2, 40))', RangeError); 67 68 // Handling empty strings 69 assertThrows('"".repeat(-1)', RangeError); 70 assertThrows('"".repeat(Number.POSITIVE_INFINITY)', RangeError); 71 assertEquals("", "".repeat(Math.pow(2, 30))); 72 assertEquals("", "".repeat(Math.pow(2, 40))); 73 74 var myobj = { 75 toString: function() { 76 return "abc"; 77 }, 78 repeat : String.prototype.repeat 79 }; 80 assertEquals("abc", myobj.repeat(1)); 81 assertEquals("abcabc", myobj.repeat(2)); 82
