82 lines
2.6 KiB
Java
82 lines
2.6 KiB
Java
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/*
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* Copyright 2014-2020 chronicle.software
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*
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* http://chronicle.software
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.openhft.chronicle.bytes;
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import net.openhft.chronicle.core.io.Closeable;
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import org.junit.Test;
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import java.io.File;
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import static org.junit.Assert.assertEquals;
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public class CopyBytesTest extends BytesTestCommon {
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static void doTest(Bytes toTest, int from) {
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Bytes toCopy = Bytes.allocateDirect(32);
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Bytes toValidate = Bytes.allocateDirect(32);
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try {
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toCopy.writeLong(0, (long) 'W' << 56L | 100L);
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toCopy.writeLong(8, (long) 'W' << 56L | 200L);
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toTest.writePosition(from);
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toTest.write(toCopy, 0, 2 * 8L);
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toTest.write(toCopy, 0, 8L);
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toTest.readPosition(from);
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toTest.read(toValidate, 3 * 8);
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assertEquals((long) 'W' << 56L | 100L, toValidate.readLong(0));
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assertEquals((long) 'W' << 56L | 200L, toValidate.readLong(8));
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assertEquals((long) 'W' << 56L | 100L, toValidate.readLong(16));
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} finally {
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toTest.releaseLast();
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toCopy.releaseLast();
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toValidate.releaseLast();
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// close if closeable.
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Closeable.closeQuietly(toTest);
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}
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}
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@Test
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public void testCanCopyBytesFromBytes() {
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doTest(Bytes.allocateElasticDirect(), 0);
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}
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@Test
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public void testCanCopyBytesFromMappedBytes1() throws Exception {
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File bytes = File.createTempFile("mapped-test", "bytes");
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bytes.deleteOnExit();
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doTest(MappedBytes.mappedBytes(bytes, 64 << 10, 0), 0);
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}
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@Test
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public void testCanCopyBytesFromMappedBytes2() throws Exception {
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File bytes = File.createTempFile("mapped-test", "bytes");
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bytes.deleteOnExit();
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doTest(MappedBytes.mappedBytes(bytes, 64 << 10, 0), (64 << 10) - 8);
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}
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@Test
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public void testCanCopyBytesFromMappedBytes3() throws Exception {
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File bytes = File.createTempFile("mapped-test", "bytes");
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bytes.deleteOnExit();
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doTest(MappedBytes.mappedBytes(bytes, 16 << 10, 16 << 10), (64 << 10) - 8);
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}
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}
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