13fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch// Copyright 2011 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Redistribution and use in source and binary forms, with or without 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// modification, are permitted provided that the following conditions are 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// met: 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions of source code must retain the above copyright 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// notice, this list of conditions and the following disclaimer. 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions in binary form must reproduce the above 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// copyright notice, this list of conditions and the following 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// disclaimer in the documentation and/or other materials provided 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with the distribution. 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Neither the name of Google Inc. nor the names of its 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contributors may be used to endorse or promote products derived 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// from this software without specific prior written permission. 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch// Flags: --allow-natives-syntax 29014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction argc0() { 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return arguments.length; 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction argc1(i) { 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return arguments.length; 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction argc2(i, j) { 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return arguments.length; 40a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 41a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 42a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(0, argc0()); 43a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(1, argc0(1)); 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(2, argc0(1, 2)); 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(3, argc0(1, 2, 3)); 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(0, argc1()); 47a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(1, argc1(1)); 48a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(2, argc1(1, 2)); 49a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(3, argc1(1, 2, 3)); 50a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(0, argc2()); 51a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(1, argc2(1)); 52a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(2, argc2(1, 2)); 53a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(3, argc2(1, 2, 3)); 54a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 55a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar index; 56a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 57a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction argv0() { 58a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return arguments[index]; 59a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 60a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 61a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction argv1(i) { 62a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return arguments[index]; 63a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 64a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 65a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction argv2(i, j) { 66a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return arguments[index]; 67a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 68a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 69a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockindex = 0; 70a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv0(7)); 71a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv0(7, 8)); 72a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv0(7, 8, 9)); 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv1(7)); 74a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv1(7, 8)); 75a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv1(7, 8, 9)); 76a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv2(7)); 77a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv2(7, 8)); 78a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, argv2(7, 8, 9)); 79a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 80a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockindex = 1; 81a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(8, argv0(7, 8)); 82a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(8, argv0(7, 8)); 83a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(8, argv1(7, 8, 9)); 84a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(8, argv1(7, 8, 9)); 85a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(8, argv2(7, 8, 9)); 86a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(8, argv2(7, 8, 9)); 87a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 88a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockindex = 2; 89a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(9, argv0(7, 8, 9)); 90a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(9, argv1(7, 8, 9)); 91a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(9, argv2(7, 8, 9)); 92a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 93a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 94a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Test that calling a lazily compiled function with 95a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// an unexpected number of arguments works. 96a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction f(a) { return arguments.length; }; 97a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(3, f(1, 2, 3)); 983fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 993fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction f1(x, y) { 1003fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch function g(a) { 1013fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch a[0] = "three"; 1023fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch return a.length; 1033fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch } 1043fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch var l = g(arguments); 1053fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch y = 5; 1063fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals(2, l); 1073fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals("three", x); 1083fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals(5, y); 1093fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 1103fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochf1(3, "five"); 1113fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1123fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1133fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction f2() { 1143fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch if (arguments[0] > 0) { 1153fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch return arguments.callee(arguments[0] - 1) + arguments[0]; 1163fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch } 1173fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch return 0; 1183fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 1193fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertEquals(55, f2(10)); 1203fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1213fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1223fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction f3() { 1233fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals(0, arguments.length); 1243fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 1253fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochf3(); 1263fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1273fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1283fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction f4() { 1293fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch var arguments = 0; 1303fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals(void 0, arguments.length); 1313fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 1323fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochf4(); 1333fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1343fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1353fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction f5(x, y, z) { 1363fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch function g(a) { 1373fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch x = "two"; 1383fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch y = "three"; 1393fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch a[1] = "drei"; 1403fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch a[2] = "fuenf"; 1413fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch }; 1423fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1433fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch g(arguments); 1443fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals("two", x); 1453fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals("drei", y); 1463fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals("fuenf", z); 1473fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 1483fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochf5(2, 3, 5); 1493fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1503fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1513fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction f6(x, y) { 1523fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch x = "x"; 1533fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch arguments[1] = "y"; 1543fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch return [arguments.length, arguments[0], y, arguments[2]]; 1553fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 1563fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1573fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([0, void 0, void 0, void 0], f6()); 1583fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([1, "x", void 0, void 0], f6(1)); 1593fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([2, "x", "y", void 0], f6(9, 17)); 1603fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([3, "x", "y", 7], f6(3, 5, 7)); 1613fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([4, "x", "y", "c"], f6("a", "b", "c", "d")); 1623fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1633fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1643fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction list_args(a) { 1653fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch assertEquals("function", typeof a.callee); 1663fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch var result = []; 1673fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch result.push(a.length); 1683fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch for (i = 0; i < a.length; i++) result.push(a[i]); 1693fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch return result; 1703fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 1713fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1723fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1733fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction f1(x, y) { 1743fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch function g(p) { 1753fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch x = p; 1763fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch } 1773fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch g(y); 1783fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch return list_args(arguments); 1793fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch} 1803fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1813fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([0], f1()); 1823fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([1, void 0], f1(3)); 1833fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([2, 5, 5], f1(3, 5)); 1843fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertArrayEquals([3, 5, 5, 7], f1(3, 5, 7)); 1853fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 1863fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch// Check out of bounds behavior. 1873fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction arg_get(x) { return arguments[x]; } 1883fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction arg_del(x) { return delete arguments[x]; } 1893fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdochfunction arg_set(x) { return (arguments[x] = 117); } 1903fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertEquals(undefined, arg_get(0xFFFFFFFF)); 1913fb3ca8c7ca439d408449a395897395c0faae8d1Ben MurdochassertEquals(true, arg_del(0xFFFFFFFF)); 192b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertEquals(117, arg_set(0xFFFFFFFF)); 193014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 194014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch(function() { 195014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch function f(a) { return arguments; } 196014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch var a = f(1,2,3); 197014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch // Turn arguments into slow. 198014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch assertTrue(%HasSloppyArgumentsElements(a)); 199014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch a[10000] = 1; 200014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch assertTrue(%HasSloppyArgumentsElements(a)); 201014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch // Make it fast again by adding values. 202014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch for (var i = 0; i < 1000; i++) { 203014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch a[i] = 1.5; 204014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch } 205014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch assertTrue(%HasSloppyArgumentsElements(a)); 206014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch})(); 207