ObjectUtilTest.java — netty Source File

Source Code

/*
 * Copyright 2021 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 static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Testcases for io.netty.util.internal.ObjectUtil.
 *
 * The tests for exceptions do not use a fail mimic. The tests evaluate the
 * presence and type, to have really regression character.
 *
 */
public class ObjectUtilTest {

    private static final Object NULL_OBJECT = null;

    private static final Object NON_NULL_OBJECT = "Object is not null";
    private static final String NON_NULL_EMPTY_STRING = "";
    private static final String NON_NULL_WHITESPACE_STRING = "  ";
    private static final Object[] NON_NULL_EMPTY_OBJECT_ARRAY = {};
    private static final Object[] NON_NULL_FILLED_OBJECT_ARRAY = { NON_NULL_OBJECT };
    private static final CharSequence NULL_CHARSEQUENCE = (CharSequence) NULL_OBJECT;
    private static final CharSequence NON_NULL_CHARSEQUENCE = (CharSequence) NON_NULL_OBJECT;
    private static final CharSequence NON_NULL_EMPTY_CHARSEQUENCE = (CharSequence) NON_NULL_EMPTY_STRING;
    private static final byte[] NON_NULL_EMPTY_BYTE_ARRAY = {};
    private static final byte[] NON_NULL_FILLED_BYTE_ARRAY = { (byte) 0xa };
    private static final char[] NON_NULL_EMPTY_CHAR_ARRAY = {};
    private static final char[] NON_NULL_FILLED_CHAR_ARRAY = { 'A' };

    private static final String NULL_NAME = "IS_NULL";
    private static final String NON_NULL_NAME = "NOT_NULL";
    private static final String NON_NULL_EMPTY_NAME = "NOT_NULL_BUT_EMPTY";

    private static final String TEST_RESULT_NULLEX_OK = "Expected a NPE/IAE";
    private static final String TEST_RESULT_NULLEX_NOK = "Expected no exception";
    private static final String TEST_RESULT_EXTYPE_NOK = "Expected type not found";

    private static final int ZERO_INT = 0;
    private static final long ZERO_LONG = 0;
    private static final double ZERO_DOUBLE = 0.0d;
    private static final float ZERO_FLOAT = 0.0f;
// ... (555 more lines)