Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.jdk8.test/src/com/oracle/graal/hotspot/jdk8/test/CRC32UpdateByteBufferSubstitutionTest.java @ 14961:d87e4eae76c4
Cleanup of AMD64 assembler.
author | Roland Schatz <roland.schatz@oracle.com> |
---|---|
date | Thu, 03 Apr 2014 14:01:39 +0200 |
parents | 0a40e1032037 |
children |
line wrap: on
line source
/* * Copyright (c) 2007, 2012, 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 com.oracle.graal.hotspot.jdk8.test; import java.io.*; import java.nio.*; import java.util.zip.*; import org.junit.*; import com.oracle.graal.compiler.test.*; /** * Tests compiled call to {@link CRC32#updateByteBuffer(int, long, int, int)}. */ @SuppressWarnings("javadoc") public class CRC32UpdateByteBufferSubstitutionTest extends GraalCompilerTest { public static long updateByteBuffer(ByteBuffer buffer) { CRC32 crc = new CRC32(); buffer.rewind(); crc.update(buffer); return crc.getValue(); } @Test public void test1() throws Throwable { String classfileName = CRC32UpdateByteBufferSubstitutionTest.class.getSimpleName().replace('.', '/') + ".class"; InputStream s = CRC32UpdateByteBufferSubstitutionTest.class.getResourceAsStream(classfileName); byte[] buf = new byte[s.available()]; new DataInputStream(s).readFully(buf); ByteBuffer directBuf = ByteBuffer.allocateDirect(buf.length); directBuf.put(buf); ByteBuffer heapBuf = ByteBuffer.wrap(buf); test("updateByteBuffer", directBuf); test("updateByteBuffer", heapBuf); } }