// Copyright 2017 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. function is_little_endian() { var buffer = new ArrayBuffer(4); HEAP32 = new Int32Array(buffer); HEAPU8 = new Uint8Array(buffer); HEAP32[0] = 255; if (HEAPU8[0] === 255 && HEAPU8[3] === 0) return true; else return false; } (function () { var buffer = new ArrayBuffer(8); var i32 = new Int32Array(buffer); var f64 = new Float64Array(buffer); function foo() { f64[0] = 1; var x = f64[0]; if (is_little_endian()) return i32[0]; else return i32[1]; } assertEquals(0, foo()); })(); (function () { var buffer = new ArrayBuffer(8); var i16 = new Int16Array(buffer); var i32 = new Int32Array(buffer); function foo() { i32[0] = 0x20001; var x = i32[0]; if (is_little_endian()) return i16[0]; else return i16[1]; } assertEquals(1, foo()); })();