1// Copyright 2010 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// Test postfix count operations with smis. 29 30function f1() { var x = 0x3fffffff; x++; return x; } 31assertEquals(0x40000000, f1()); 32 33 34function f2() { var x = -0x40000000; x--; return x; } 35assertEquals(-0x40000001, f2()); 36 37 38function f3(x) { x = x & 0x3fffffff; x++; return x; } 39assertEquals(0x40000000, f3(0x3fffffff)); 40 41 42function f4() { 43 var i; 44 for (i = 0x3ffffffe; i <= 0x3fffffff; i++) {} 45 return i; 46} 47assertEquals(0x40000000, f4()); 48 49 50function f5() { 51 var i; 52 for (i = -0x3fffffff; i >= -0x40000000; i--) {} 53 return i; 54} 55assertEquals(-0x40000001, f5()); 56 57 58function f6() { var x = 0x3fffffff; x++; return x+1; } 59assertEquals(0x40000001, f6()); 60 61 62function f7() { 63 var i; 64 for (i = 0x3ffffffd; i <= 0x3ffffffe; i++) {} 65 i++; i = i + 1; 66 return i; 67} 68assertEquals(0x40000001, f7()); 69 70 71function f8() { 72 var i; 73 for (i = 0x3ffffffd; i <= 0x3fffffff; i++) {} 74 i++; i++; 75 return i; 76} 77assertEquals(0x40000002, f8()); 78 79 80function f9() { 81 var i; 82 for (i = 0; i < 42; i++) { 83 return 42; 84 } 85} 86assertEquals(42, f9()); 87 88 89function f10(x) { 90 for (x = 0; x < 4; x++) {} 91} 92f10(42); 93