StringUtilTest.java — netty Source File

Source Code

/*
 * Copyright 2012 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.internal;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.function.Executable;

import java.util.Arrays;
import java.util.Collections;

import static io.netty.util.internal.StringUtil.NEWLINE;
import static io.netty.util.internal.StringUtil.commonSuffixOfLength;
import static io.netty.util.internal.StringUtil.indexOfWhiteSpace;
import static io.netty.util.internal.StringUtil.indexOfNonWhiteSpace;
import static io.netty.util.internal.StringUtil.isNullOrEmpty;
import static io.netty.util.internal.StringUtil.simpleClassName;
import static io.netty.util.internal.StringUtil.substringAfter;
import static io.netty.util.internal.StringUtil.toHexString;
import static io.netty.util.internal.StringUtil.toHexStringPadded;
import static io.netty.util.internal.StringUtil.unescapeCsv;
import static io.netty.util.internal.StringUtil.unescapeCsvFields;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class StringUtilTest {

    @Test
    public void ensureNewlineExists() {
        assertNotNull(NEWLINE);
    }

    @Test
    public void testToHexString() {
        assertEquals("0", toHexString(new byte[] { 0 }));
        assertEquals("1", toHexString(new byte[] { 1 }));
        assertEquals("0", toHexString(new byte[] { 0, 0 }));
        assertEquals("100", toHexString(new byte[] { 1, 0 }));
        assertEquals("", toHexString(EmptyArrays.EMPTY_BYTES));
    }

    @Test
    public void testToHexStringPadded() {
// ... (587 more lines)