/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 *
 *      http://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 org.apache.logging.log4j.core.util;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;

public class AssertTest {

    public static Object[][] data() {
        return new Object[][] {
            // value, isEmpty
            {null, true},
            {"", true},
            {org.apache.logging.log4j.util.Constants.EMPTY_OBJECT_ARRAY, true},
            {new ArrayList<>(), true},
            {new HashMap<>(), true},
            {0, false},
            {1, false},
            {false, false},
            {true, false},
            {new Object[] {null}, false},
            {Collections.singletonList(null), false},
            {Collections.singletonMap("", null), false},
            {"null", false}
        };
    }

    @ParameterizedTest
    @MethodSource("data")
    public void isEmpty(final Object value, final boolean isEmpty) throws Exception {
        assertEquals(isEmpty, Assert.isEmpty(value));
    }
}
