1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 // 5 // Flags: --allow-natives-syntax 6 7 function TestConstructor(c) { 8 var a = new c(-0); 9 assertSame(Infinity, 1 / a.length); 10 assertSame(Infinity, 1 / a.byteLength); 11 12 var ab = new ArrayBuffer(-0); 13 assertSame(Infinity, 1 / ab.byteLength); 14 15 var a1 = new c(ab, -0, -0); 16 assertSame(Infinity, 1 / a1.length); 17 assertSame(Infinity, 1 / a1.byteLength); 18 assertSame(Infinity, 1 / a1.byteOffset); 19 } 20 21 var constructors = 22 [ Uint8Array, Int8Array, Uint8ClampedArray, 23 Uint16Array, Int16Array, 24 Uint32Array, Int32Array, 25 Float32Array, Float64Array ]; 26 for (var i = 0; i < constructors.length; i++) { 27 TestConstructor(constructors[i]); 28 } 29 30 31 function TestOptimizedCode() { 32 var a = new Uint8Array(-0); 33 assertSame(Infinity, 1 / a.length); 34 assertSame(Infinity, 1 / a.byteLength); 35 36 var ab = new ArrayBuffer(-0); 37 assertSame(Infinity, 1 / ab.byteLength); 38 39 var a1 = new Uint8Array(ab, -0, -0); 40 assertSame(Infinity, 1 / a1.length); 41 assertSame(Infinity, 1 / a1.byteLength); 42 assertSame(Infinity, 1 / a1.byteOffset); 43 } 44 45 %OptimizeFunctionOnNextCall(Uint8Array); 46 for (var i = 0; i < 1000; i++) { 47 TestOptimizedCode(); 48 } 49
