AsciiStringMemoryTest.java — netty Source File

Source Code

/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.util;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import io.netty.util.ByteProcessor.IndexOfProcessor;

import java.util.Random;
import java.util.concurrent.atomic.AtomicReference;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

/**
 * Test the underlying memory methods for the {@link AsciiString} class.
 */
public class AsciiStringMemoryTest {
    private byte[] a;
    private byte[] b;
    private int aOffset = 22;
    private int bOffset = 53;
    private int length = 100;
    private AsciiString aAsciiString;
    private AsciiString bAsciiString;
    private final Random r = new Random();

    @BeforeEach
    public void setup() {
        a = new byte[128];
        b = new byte[256];
        r.nextBytes(a);
        r.nextBytes(b);
        aOffset = 22;
        bOffset = 53;
        length = 100;
        System.arraycopy(a, aOffset, b, bOffset, length);
        aAsciiString = new AsciiString(a, aOffset, length, false);
        bAsciiString = new AsciiString(b, bOffset, length, false);
    }

    @Test
    public void testSharedMemory() {
        ++a[aOffset];
        AsciiString aAsciiString1 = new AsciiString(a, aOffset, length, true);
        AsciiString aAsciiString2 = new AsciiString(a, aOffset, length, false);
        assertEquals(aAsciiString, aAsciiString1);
// ... (114 more lines)