apply.js revision a7e24c173cf37484693b9abb38e494fa7bd7baeb
1// Copyright 2008 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 28function f0() { 29 return this; 30} 31 32function f1(a) { 33 return a; 34} 35 36assertTrue(this === f0.apply(), "1-0"); 37 38assertTrue(this === f0.apply(this), "2a"); 39assertTrue(this === f0.apply(this, new Array(1)), "2b"); 40assertTrue(this === f0.apply(this, new Array(2)), "2c"); 41assertTrue(this === f0.apply(this, new Array(4242)), "2d"); 42 43assertTrue(this === f0.apply(null), "3a"); 44assertTrue(this === f0.apply(null, new Array(1)), "3b"); 45assertTrue(this === f0.apply(null, new Array(2)), "3c"); 46assertTrue(this === f0.apply(this, new Array(4242)), "3d"); 47 48assertTrue(this === f0.apply(void 0), "4a"); 49assertTrue(this === f0.apply(void 0, new Array(1)), "4b"); 50assertTrue(this === f0.apply(void 0, new Array(2)), "4c"); 51 52assertTrue(void 0 === f1.apply(), "1-1"); 53 54assertTrue(void 0 === f1.apply(this), "5a"); 55assertTrue(void 0 === f1.apply(this, new Array(1)), "5b"); 56assertTrue(void 0 === f1.apply(this, new Array(2)), "5c"); 57assertTrue(void 0 === f1.apply(this, new Array(4242)), "5d"); 58assertTrue(42 === f1.apply(this, new Array(42, 43)), "5e"); 59assertEquals("foo", f1.apply(this, new Array("foo", "bar", "baz", "bo")), "5f"); 60 61assertTrue(void 0 === f1.apply(null), "6a"); 62assertTrue(void 0 === f1.apply(null, new Array(1)), "6b"); 63assertTrue(void 0 === f1.apply(null, new Array(2)), "6c"); 64assertTrue(void 0 === f1.apply(null, new Array(4242)), "6d"); 65assertTrue(42 === f1.apply(null, new Array(42, 43)), "6e"); 66assertEquals("foo", f1.apply(null, new Array("foo", "bar", "baz", "bo")), "6f"); 67 68assertTrue(void 0 === f1.apply(void 0), "7a"); 69assertTrue(void 0 === f1.apply(void 0, new Array(1)), "7b"); 70assertTrue(void 0 === f1.apply(void 0, new Array(2)), "7c"); 71assertTrue(void 0 === f1.apply(void 0, new Array(4242)), "7d"); 72assertTrue(42 === f1.apply(void 0, new Array(42, 43)), "7e"); 73assertEquals("foo", f1.apply(void 0, new Array("foo", "bar", "ba", "b")), "7f"); 74 75var arr = new Array(42, "foo", "fish", "horse"); 76function j(a, b, c, d, e, f, g, h, i, j, k, l) { 77 return "" + a + b + c + d + e + f + g + h + i + j + k + l; 78} 79 80 81var expect = "42foofishhorse"; 82for (var i = 0; i < 8; i++) 83 expect += "undefined"; 84assertEquals(expect, j.apply(undefined, arr), "apply to undefined"); 85 86assertThrows("f0.apply(this, 1);"); 87assertThrows("f0.apply(this, 1, 2);"); 88assertThrows("f0.apply(this, 1, new Array(2));"); 89 90function f() { 91 var doo = ""; 92 for (var i = 0; i < arguments.length; i++) { 93 doo += arguments[i]; 94 } 95 return doo; 96} 97 98assertEquals("42foofishhorse", f.apply(this, arr), "apply to this"); 99 100function s() { 101 var doo = this; 102 for (var i = 0; i < arguments.length; i++) { 103 doo += arguments[i]; 104 } 105 return doo; 106} 107 108assertEquals("bar42foofishhorse", s.apply("bar", arr), "apply to string"); 109 110function al() { 111 assertEquals(345, this); 112 return arguments.length + arguments[arguments.length - 1]; 113} 114 115for (var j = 1; j < 0x40000000; j <<= 1) { 116 try { 117 var a = new Array(j); 118 a[j - 1] = 42; 119 assertEquals(42 + j, al.apply(345, a)); 120 } catch (e) { 121 assertTrue(e.toString().indexOf("Function.prototype.apply") != -1, 122 "exception does not contain Function.prototype.apply: " + 123 e.toString()); 124 for (; j < 0x40000000; j <<= 1) { 125 var caught = false; 126 try { 127 a = new Array(j); 128 a[j - 1] = 42; 129 al.apply(345, a); 130 assertUnreachable("Apply of arrray with length " + a.length + 131 " should have thrown"); 132 } catch (e) { 133 assertTrue(e.toString().indexOf("Function.prototype.apply") != -1, 134 "exception does not contain Function.prototype.apply [" + 135 "length = " + j + "]: " + e.toString()); 136 caught = true; 137 } 138 assertTrue(caught, "exception not caught"); 139 } 140 break; 141 } 142} 143 144var primes = new Array(0); 145 146function isPrime(possible_prime) { 147 for (var d = 0; d < primes.length; d++) { 148 var p = primes[d]; 149 if (possible_prime % p == 0) 150 return false; 151 if (p * p > possible_prime) 152 return true; 153 } 154 return true; 155} 156 157for (var i = 2; i < 10000; i++) { 158 if (isPrime(i)) { 159 primes.push(i); 160 } 161} 162 163assertEquals(1229, primes.length); 164 165var same_primes = Array.prototype.constructor.apply(Array, primes); 166 167for (var i = 0; i < primes.length; i++) 168 assertEquals(primes[i], same_primes[i], "prime" + primes[i]); 169assertEquals(primes.length, same_primes.length, "prime-length"); 170 171 172Array.prototype["1"] = "sep"; 173 174var holey = new Array(3); 175holey[0] = "mor"; 176holey[2] = "er"; 177 178assertEquals("morseper", String.prototype.concat.apply("", holey), 179 "moreseper0"); 180assertEquals("morseper", String.prototype.concat.apply("", holey, 1), 181 "moreseper1"); 182assertEquals("morseper", String.prototype.concat.apply("", holey, 1, 2), 183 "moreseper2"); 184assertEquals("morseper", String.prototype.concat.apply("", holey, 1, 2, 3), 185 "morseper3"); 186assertEquals("morseper", String.prototype.concat.apply("", holey, 1, 2, 3, 4), 187 "morseper4"); 188 189primes[0] = ""; 190primes[1] = holey; 191assertThrows("String.prototype.concat.apply.apply('foo', primes)"); 192assertEquals("morseper", 193 String.prototype.concat.apply.apply(String.prototype.concat, primes), 194 "moreseper-prime"); 195 196delete(Array.prototype["1"]); 197