JezK
Edit File: apply.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. function f0() { return this; } function f1(a) { return a; } assertSame(this, f0.apply(), "1-0"); assertSame(this, f0.apply(this), "2a"); assertSame(this, f0.apply(this, new Array(1)), "2b"); assertSame(this, f0.apply(this, new Array(2)), "2c"); assertSame(this, f0.apply(this, new Array(4242)), "2d"); assertSame(this, f0.apply(null), "3a"); assertSame(this, f0.apply(null, new Array(1)), "3b"); assertSame(this, f0.apply(null, new Array(2)), "3c"); assertSame(this, f0.apply(this, new Array(4242)), "3d"); assertSame(this, f0.apply(void 0), "4a"); assertSame(this, f0.apply(void 0, new Array(1)), "4b"); assertSame(this, f0.apply(void 0, new Array(2)), "4c"); assertEquals(void 0, f1.apply(), "1-1"); assertEquals(void 0, f1.apply(this), "5a"); assertEquals(void 0, f1.apply(this, new Array(1)), "5b"); assertEquals(void 0, f1.apply(this, new Array(2)), "5c"); assertEquals(void 0, f1.apply(this, new Array(4242)), "5d"); assertEquals(42, f1.apply(this, new Array(42, 43)), "5e"); assertEquals("foo", f1.apply(this, new Array("foo", "bar", "baz", "bo")), "5f"); assertEquals(void 0, f1.apply(null), "6a"); assertEquals(void 0, f1.apply(null, new Array(1)), "6b"); assertEquals(void 0, f1.apply(null, new Array(2)), "6c"); assertEquals(void 0, f1.apply(null, new Array(4242)), "6d"); assertEquals(42, f1.apply(null, new Array(42, 43)), "6e"); assertEquals("foo", f1.apply(null, new Array("foo", "bar", "baz", "bo")), "6f"); assertEquals(void 0, f1.apply(void 0), "7a"); assertEquals(void 0, f1.apply(void 0, new Array(1)), "7b"); assertEquals(void 0, f1.apply(void 0, new Array(2)), "7c"); assertEquals(void 0, f1.apply(void 0, new Array(4242)), "7d"); assertEquals(42, f1.apply(void 0, new Array(42, 43)), "7e"); assertEquals("foo", f1.apply(void 0, new Array("foo", "bar", "ba", "b")), "7f"); var arr = new Array(42, "foo", "fish", "horse"); function j(a, b, c, d, e, f, g, h, i, j, k, l) { return "" + a + b + c + d + e + f + g + h + i + j + k + l; } var expect = "42foofishhorse"; for (var i = 0; i < 8; i++) expect += "undefined"; assertEquals(expect, j.apply(undefined, arr), "apply to undefined"); assertThrows("f0.apply(this, 1);"); assertThrows("f0.apply(this, 1, 2);"); assertThrows("f0.apply(this, 1, new Array(2));"); function f() { var doo = ""; for (var i = 0; i < arguments.length; i++) { doo += arguments[i]; } return doo; } assertEquals("42foofishhorse", f.apply(this, arr), "apply to this"); function s() { var doo = this; for (var i = 0; i < arguments.length; i++) { doo += arguments[i]; } return doo; } assertEquals("bar42foofishhorse", s.apply("bar", arr), "apply to string"); function al() { assertEquals(Object(345), this); return arguments.length + arguments[arguments.length - 1]; } for (var j = 1; j < 0x40000000; j <<= 1) { try { var a = new Array(j); a[j - 1] = 42; assertEquals(42 + j, al.apply(345, a)); } catch (e) { assertTrue(e.toString().indexOf("Maximum call stack size exceeded") != -1); for (; j < 0x40000000; j <<= 1) { var caught = false; try { a = new Array(j); a[j - 1] = 42; al.apply(345, a); assertUnreachable("Apply of array with length " + a.length + " should have thrown"); } catch (e) { assertTrue(e.toString().indexOf("Maximum call stack size exceeded") != -1); caught = true; } assertTrue(caught, "exception not caught"); } break; } } var primes = new Array(0); function isPrime(possible_prime) { for (var d = 0; d < primes.length; d++) { var p = primes[d]; if (possible_prime % p == 0) return false; if (p * p > possible_prime) return true; } return true; } for (var i = 2; i < 10000; i++) { if (isPrime(i)) { primes.push(i); } } assertEquals(1229, primes.length); var same_primes = Array.prototype.constructor.apply(Array, primes); for (var i = 0; i < primes.length; i++) assertEquals(primes[i], same_primes[i], "prime" + primes[i]); assertEquals(primes.length, same_primes.length, "prime-length"); Array.prototype["1"] = "sep"; var holey = new Array(3); holey[0] = "mor"; holey[2] = "er"; assertEquals("morseper", String.prototype.concat.apply("", holey), "moreseper0"); assertEquals("morseper", String.prototype.concat.apply("", holey, 1), "moreseper1"); assertEquals("morseper", String.prototype.concat.apply("", holey, 1, 2), "moreseper2"); assertEquals("morseper", String.prototype.concat.apply("", holey, 1, 2, 3), "morseper3"); assertEquals("morseper", String.prototype.concat.apply("", holey, 1, 2, 3, 4), "morseper4"); primes[0] = ""; primes[1] = holey; assertThrows("String.prototype.concat.apply.apply('foo', primes)"); assertEquals("morseper", String.prototype.concat.apply.apply(String.prototype.concat, primes), "moreseper-prime"); delete(Array.prototype["1"]); // Check correct handling of non-array argument lists. assertSame(this, f0.apply(this, {}), "non-array-1"); assertSame(this, f0.apply(this, { length:1 }), "non-array-2"); assertEquals(void 0, f1.apply(this, { length:1 }), "non-array-3"); assertEquals(void 0, f1.apply(this, { 0:"foo" }), "non-array-4"); assertEquals("foo", f1.apply(this, { length:1, 0:"foo" }), "non-array-5");