// 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 unsignedShiftRight(val, shift) { return val >>> shift; } assertEquals( 15, unsignedShiftRight(15, 0), "15 >>> 0"); assertEquals( 7, unsignedShiftRight(15, 1), "15 >>> 1"); assertEquals( 3, unsignedShiftRight(15, 2), "15 >>> 2"); assertEquals(4294967288, unsignedShiftRight(-8, 0), "-8 >>> 0"); assertEquals(2147483644, unsignedShiftRight(-8, 1), "-8 >>> 1"); assertEquals(1073741822, unsignedShiftRight(-8, 2), "-8 >>> 2"); assertEquals( 1, unsignedShiftRight(-8, 31), "-8 >>> 31"); assertEquals(4294967288, unsignedShiftRight(-8, 32), "-8 >>> 32"); assertEquals(2147483644, unsignedShiftRight(-8, 33), "-8 >>> 33"); assertEquals(1073741822, unsignedShiftRight(-8, 34), "-8 >>> 34"); assertEquals(2147483648, unsignedShiftRight(0x80000000, 0), "0x80000000 >>> 0"); assertEquals(1073741824, unsignedShiftRight(0x80000000, 1), "0x80000000 >>> 1"); assertEquals( 536870912, unsignedShiftRight(0x80000000, 2), "0x80000000 >>> 2"); assertEquals(1073741824, unsignedShiftRight(0x40000000, 0), "0x40000000 >>> 0"); assertEquals( 536870912, unsignedShiftRight(0x40000000, 1), "0x40000000 >>> 1"); assertEquals( 268435456, unsignedShiftRight(0x40000000, 2), "0x40000000 >>> 2");