| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| package org.graalvm.compiler.core.test; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class ByteBufferTest extends GraalCompilerTest { |
| |
| class Ret { |
| |
| byte byteValue = 0; |
| short shortValue = 0; |
| int intValue = 0; |
| long longValue = 0; |
| float floatValue = 0.0f; |
| double doubleValue = 0.0d; |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof Ret)) { |
| return false; |
| } |
| |
| Ret other = (Ret) obj; |
| if (this.byteValue != other.byteValue) { |
| return false; |
| } |
| if (this.shortValue != other.shortValue) { |
| return false; |
| } |
| if (this.intValue != other.intValue) { |
| return false; |
| } |
| if (this.longValue != other.longValue) { |
| return false; |
| } |
| if (Float.floatToRawIntBits(this.floatValue) != Float.floatToRawIntBits(other.floatValue)) { |
| return false; |
| } |
| if (Double.doubleToRawLongBits(this.doubleValue) != Double.doubleToRawLongBits(other.doubleValue)) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return 0; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("0x%02x, 0x%04x, 0x%08x, 0x%04x, 0x%08x", byteValue, shortValue, intValue, Float.floatToRawIntBits(floatValue), Double.doubleToRawLongBits(doubleValue)); |
| } |
| } |
| |
| @Parameters(name = "{0}") |
| public static Collection<Object[]> data() { |
| ArrayList<Object[]> ret = new ArrayList<>(); |
| ret.add(new Object[]{ByteOrder.BIG_ENDIAN}); |
| ret.add(new Object[]{ByteOrder.LITTLE_ENDIAN}); |
| return ret; |
| } |
| |
| @Parameter public ByteOrder byteOrder; |
| |
| Ret alignedReadSnippet(byte[] arg) { |
| ByteBuffer buffer = ByteBuffer.wrap(arg).order(byteOrder); |
| |
| Ret ret = new Ret(); |
| ret.byteValue = buffer.get(); |
| ret.byteValue += buffer.get(); |
| ret.shortValue = buffer.getShort(); |
| ret.intValue = buffer.getInt(); |
| ret.longValue = buffer.getLong(); |
| ret.doubleValue = buffer.getDouble(); |
| ret.floatValue = buffer.getFloat(); |
| |
| return ret; |
| } |
| |
| @Test |
| public void testReadAligned() { |
| byte[] input = new byte[28]; |
| for (int i = 0; i < 28; i++) { |
| input[i] = (byte) (7 * (i + 42)); |
| } |
| test("alignedReadSnippet", input); |
| } |
| |
| byte[] alignedWriteSnippet(byte a, byte b, short c, int d, long e, double f, float g) { |
| byte[] ret = new byte[28]; |
| ByteBuffer buffer = ByteBuffer.wrap(ret).order(byteOrder); |
| |
| buffer.put(a); |
| buffer.put(b); |
| buffer.putShort(c); |
| buffer.putInt(d); |
| buffer.putLong(e); |
| buffer.putDouble(f); |
| buffer.putFloat(g); |
| |
| return ret; |
| } |
| |
| @Test |
| public void testWriteAligned() { |
| test("alignedWriteSnippet", (byte) 5, (byte) -3, (short) 17, 42, 0x3FC30A25644B7130L, 84.72, 1.23f); |
| } |
| |
| Ret unalignedReadSnippet(byte[] arg) { |
| ByteBuffer buffer = ByteBuffer.wrap(arg).order(byteOrder); |
| |
| Ret ret = new Ret(); |
| ret.byteValue = buffer.get(); |
| ret.shortValue = buffer.getShort(); |
| ret.intValue = buffer.getInt(); |
| ret.longValue = buffer.getLong(); |
| ret.doubleValue = buffer.getDouble(); |
| ret.floatValue = buffer.getFloat(); |
| |
| return ret; |
| } |
| |
| @Test |
| public void testReadUnaligned() { |
| byte[] input = new byte[27]; |
| for (int i = 0; i < 27; i++) { |
| input[i] = (byte) (7 * (i + 42)); |
| } |
| test("unalignedReadSnippet", input); |
| } |
| |
| byte[] unalignedWriteSnippet(byte a, short b, int c, long d, double e, float f) { |
| byte[] ret = new byte[27]; |
| ByteBuffer buffer = ByteBuffer.wrap(ret).order(byteOrder); |
| |
| buffer.put(a); |
| buffer.putShort(b); |
| buffer.putInt(c); |
| buffer.putLong(d); |
| buffer.putDouble(e); |
| buffer.putFloat(f); |
| |
| return ret; |
| } |
| |
| @Test |
| public void testWriteUnaligned() { |
| test("unalignedWriteSnippet", (byte) -3, (short) 17, 42, 0x3FC30A25644B7130L, 84.72, 1.23f); |
| } |
| } |