9d62deeb6f
Motivation: We can use the diamond operator these days. Modification: Use diamond operator whenever possible. Result: More modern code and less boiler-plate.
174 lines
6.2 KiB
Java
174 lines
6.2 KiB
Java
/*
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* Copyright 2015 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.util;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotEquals;
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import io.netty.util.ByteProcessor.IndexOfProcessor;
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import java.util.Random;
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import java.util.concurrent.atomic.AtomicReference;
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import org.junit.Before;
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import org.junit.Test;
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/**
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* Test the underlying memory methods for the {@link AsciiString} class.
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*/
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public class AsciiStringMemoryTest {
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private byte[] a;
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private byte[] b;
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private int aOffset = 22;
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private int bOffset = 53;
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private int length = 100;
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private AsciiString aAsciiString;
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private AsciiString bAsciiString;
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private Random r = new Random();
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@Before
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public void setup() {
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a = new byte[128];
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b = new byte[256];
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r.nextBytes(a);
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r.nextBytes(b);
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aOffset = 22;
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bOffset = 53;
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length = 100;
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System.arraycopy(a, aOffset, b, bOffset, length);
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aAsciiString = new AsciiString(a, aOffset, length, false);
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bAsciiString = new AsciiString(b, bOffset, length, false);
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}
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@Test
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public void testSharedMemory() {
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++a[aOffset];
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AsciiString aAsciiString1 = new AsciiString(a, aOffset, length, true);
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AsciiString aAsciiString2 = new AsciiString(a, aOffset, length, false);
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assertEquals(aAsciiString, aAsciiString1);
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assertEquals(aAsciiString, aAsciiString2);
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for (int i = aOffset; i < length; ++i) {
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assertEquals(a[i], aAsciiString.byteAt(i - aOffset));
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}
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}
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@Test
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public void testNotSharedMemory() {
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AsciiString aAsciiString1 = new AsciiString(a, aOffset, length, true);
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++a[aOffset];
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assertNotEquals(aAsciiString, aAsciiString1);
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int i = aOffset;
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assertNotEquals(a[i], aAsciiString1.byteAt(i - aOffset));
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++i;
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for (; i < length; ++i) {
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assertEquals(a[i], aAsciiString1.byteAt(i - aOffset));
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}
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}
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@Test
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public void forEachTest() throws Exception {
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final AtomicReference<Integer> aCount = new AtomicReference<>(0);
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final AtomicReference<Integer> bCount = new AtomicReference<>(0);
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aAsciiString.forEachByte(new ByteProcessor() {
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int i;
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@Override
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public boolean process(byte value) throws Exception {
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assertEquals("failed at index: " + i, value, bAsciiString.byteAt(i++));
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aCount.set(aCount.get() + 1);
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return true;
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}
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});
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bAsciiString.forEachByte(new ByteProcessor() {
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int i;
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@Override
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public boolean process(byte value) throws Exception {
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assertEquals("failed at index: " + i, value, aAsciiString.byteAt(i++));
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bCount.set(bCount.get() + 1);
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return true;
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}
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});
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assertEquals(aAsciiString.length(), aCount.get().intValue());
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assertEquals(bAsciiString.length(), bCount.get().intValue());
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}
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@Test
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public void forEachWithIndexEndTest() throws Exception {
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assertNotEquals(-1, aAsciiString.forEachByte(aAsciiString.length() - 1,
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1, new IndexOfProcessor(aAsciiString.byteAt(aAsciiString.length() - 1))));
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}
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@Test
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public void forEachWithIndexBeginTest() throws Exception {
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assertNotEquals(-1, aAsciiString.forEachByte(0,
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1, new IndexOfProcessor(aAsciiString.byteAt(0))));
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}
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@Test
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public void forEachDescTest() throws Exception {
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final AtomicReference<Integer> aCount = new AtomicReference<>(0);
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final AtomicReference<Integer> bCount = new AtomicReference<>(0);
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aAsciiString.forEachByteDesc(new ByteProcessor() {
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int i = 1;
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@Override
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public boolean process(byte value) throws Exception {
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assertEquals("failed at index: " + i, value, bAsciiString.byteAt(bAsciiString.length() - (i++)));
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aCount.set(aCount.get() + 1);
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return true;
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}
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});
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bAsciiString.forEachByteDesc(new ByteProcessor() {
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int i = 1;
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@Override
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public boolean process(byte value) throws Exception {
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assertEquals("failed at index: " + i, value, aAsciiString.byteAt(aAsciiString.length() - (i++)));
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bCount.set(bCount.get() + 1);
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return true;
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}
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});
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assertEquals(aAsciiString.length(), aCount.get().intValue());
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assertEquals(bAsciiString.length(), bCount.get().intValue());
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}
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@Test
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public void forEachDescWithIndexEndTest() throws Exception {
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assertNotEquals(-1, bAsciiString.forEachByteDesc(bAsciiString.length() - 1,
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1, new IndexOfProcessor(bAsciiString.byteAt(bAsciiString.length() - 1))));
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}
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@Test
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public void forEachDescWithIndexBeginTest() throws Exception {
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assertNotEquals(-1, bAsciiString.forEachByteDesc(0,
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1, new IndexOfProcessor(bAsciiString.byteAt(0))));
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}
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@Test
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public void subSequenceTest() {
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final int start = 12;
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final int end = aAsciiString.length();
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AsciiString aSubSequence = aAsciiString.subSequence(start, end, false);
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AsciiString bSubSequence = bAsciiString.subSequence(start, end, true);
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assertEquals(aSubSequence, bSubSequence);
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assertEquals(aSubSequence.hashCode(), bSubSequence.hashCode());
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}
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@Test
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public void copyTest() {
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byte[] aCopy = new byte[aAsciiString.length()];
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aAsciiString.copy(0, aCopy, 0, aCopy.length);
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AsciiString aAsciiStringCopy = new AsciiString(aCopy, false);
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assertEquals(aAsciiString, aAsciiStringCopy);
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}
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}
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