1 // Copyright 2012 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 // Flags: --allow-natives-syntax 29 30 var clampedArray = new Uint8ClampedArray(10); 31 32 function test() { 33 clampedArray[0] = 0.499; 34 assertEquals(0, clampedArray[0]); 35 clampedArray[0] = 0.5; 36 assertEquals(0, clampedArray[0]); 37 clampedArray[0] = 0.501; 38 assertEquals(1, clampedArray[0]); 39 clampedArray[0] = 1.499; 40 assertEquals(1, clampedArray[0]); 41 clampedArray[0] = 1.5; 42 assertEquals(2, clampedArray[0]); 43 clampedArray[0] = 1.501; 44 assertEquals(2, clampedArray[0]); 45 clampedArray[0] = 2.5; 46 assertEquals(2, clampedArray[0]); 47 clampedArray[0] = 3.5; 48 assertEquals(4, clampedArray[0]); 49 clampedArray[0] = 252.5; 50 assertEquals(252, clampedArray[0]); 51 clampedArray[0] = 253.5; 52 assertEquals(254, clampedArray[0]); 53 clampedArray[0] = 254.5; 54 assertEquals(254, clampedArray[0]); 55 clampedArray[0] = 256.5; 56 assertEquals(255, clampedArray[0]); 57 clampedArray[0] = -0.5; 58 assertEquals(0, clampedArray[0]); 59 clampedArray[0] = -1.5; 60 assertEquals(0, clampedArray[0]); 61 clampedArray[0] = 1000000000000; 62 assertEquals(255, clampedArray[0]); 63 clampedArray[0] = -1000000000000; 64 assertEquals(0, clampedArray[0]); 65 } 66 67 test(); 68 test(); 69 %OptimizeFunctionOnNextCall(test); 70 test(); 71
