JezK
Edit File: loopcount.js
// Copyright 2010 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. // Test postfix count operations with smis. function f1() { var x = 0x3fffffff; x++; return x; } assertEquals(0x40000000, f1()); function f2() { var x = -0x40000000; x--; return x; } assertEquals(-0x40000001, f2()); function f3(x) { x = x & 0x3fffffff; x++; return x; } assertEquals(0x40000000, f3(0x3fffffff)); function f4() { var i; for (i = 0x3ffffffe; i <= 0x3fffffff; i++) {} return i; } assertEquals(0x40000000, f4()); function f5() { var i; for (i = -0x3fffffff; i >= -0x40000000; i--) {} return i; } assertEquals(-0x40000001, f5()); function f6() { var x = 0x3fffffff; x++; return x+1; } assertEquals(0x40000001, f6()); function f7() { var i; for (i = 0x3ffffffd; i <= 0x3ffffffe; i++) {} i++; i = i + 1; return i; } assertEquals(0x40000001, f7()); function f8() { var i; for (i = 0x3ffffffd; i <= 0x3fffffff; i++) {} i++; i++; return i; } assertEquals(0x40000002, f8()); function f9() { var i; for (i = 0; i < 42; i++) { return 42; } } assertEquals(42, f9()); function f10(x) { for (x = 0; x < 4; x++) {} } f10(42);