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Java example source code file (NoFieldNamesToStringStyleTest.java)

This example Java source code file (NoFieldNamesToStringStyleTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

after, arraylist, before, exception, hashmap, integer, integer@8888, nofieldnamestostringstyletest, object, paul,72,false, person, ron, string, test, util

The NoFieldNamesToStringStyleTest.java Java example source code

/*
 * 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.commons.lang3.builder;

import static org.junit.Assert.assertEquals;

import java.util.ArrayList;
import java.util.HashMap;

import org.apache.commons.lang3.builder.ToStringStyleTest.Person;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * Unit tests {@link org.apache.commons.lang3.builder.NoFieldNamesToStringStyleTest}.
 */
public class NoFieldNamesToStringStyleTest {

    private final Integer base = Integer.valueOf(5);
    private final String baseStr = base.getClass().getName() + "@" + Integer.toHexString(System.identityHashCode(base));
    
    @Before
    public void setUp() throws Exception {
        ToStringBuilder.setDefaultStyle(ToStringStyle.NO_FIELD_NAMES_STYLE);
    }

    @After
    public void tearDown() throws Exception {
        ToStringBuilder.setDefaultStyle(ToStringStyle.DEFAULT_STYLE);
    }

    //----------------------------------------------------------------
    
    @Test
    public void testBlank() {
        assertEquals(baseStr + "[]", new ToStringBuilder(base).toString());
    }

    @Test
    public void testAppendSuper() {
        assertEquals(baseStr + "[]", new ToStringBuilder(base).appendSuper("Integer@8888[]").toString());
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).appendSuper("Integer@8888[]").toString());
        
        assertEquals(baseStr + "[hello]", new ToStringBuilder(base).appendSuper("Integer@8888[]").append("a", "hello").toString());
        assertEquals(baseStr + "[<null>,hello]", new ToStringBuilder(base).appendSuper("Integer@8888[]").append("a", "hello").toString());
        assertEquals(baseStr + "[hello]", new ToStringBuilder(base).appendSuper(null).append("a", "hello").toString());
    }
    
    @Test
    public void testObject() {
        final Integer i3 = Integer.valueOf(3);
        final Integer i4 = Integer.valueOf(4);
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append((Object) null).toString());
        assertEquals(baseStr + "[3]", new ToStringBuilder(base).append(i3).toString());
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append("a", (Object) null).toString());
        assertEquals(baseStr + "[3]", new ToStringBuilder(base).append("a", i3).toString());
        assertEquals(baseStr + "[3,4]", new ToStringBuilder(base).append("a", i3).append("b", i4).toString());
        assertEquals(baseStr + "[<Integer>]", new ToStringBuilder(base).append("a", i3, false).toString());
        assertEquals(baseStr + "[<size=0>]", new ToStringBuilder(base).append("a", new ArrayList(), false).toString());
        assertEquals(baseStr + "[[]]", new ToStringBuilder(base).append("a", new ArrayList<Object>(), true).toString());
        assertEquals(baseStr + "[<size=0>]", new ToStringBuilder(base).append("a", new HashMap(), false).toString());
        assertEquals(baseStr + "[{}]", new ToStringBuilder(base).append("a", new HashMap<Object, Object>(), true).toString());
        assertEquals(baseStr + "[<size=0>]", new ToStringBuilder(base).append("a", (Object) new String[0], false).toString());
        assertEquals(baseStr + "[{}]", new ToStringBuilder(base).append("a", (Object) new String[0], true).toString());
    }

    @Test
    public void testPerson() {
        final Person p = new Person();
        p.name = "Ron Paul";
        p.age = 72;
        p.smoker = false;
        final String pBaseStr = p.getClass().getName() + "@" + Integer.toHexString(System.identityHashCode(p));
        assertEquals(pBaseStr + "[Ron Paul,72,false]", new ToStringBuilder(p).append("name", p.name).append("age", p.age).append("smoker", p.smoker).toString());
    }

    @Test
    public void testLong() {
        assertEquals(baseStr + "[3]", new ToStringBuilder(base).append(3L).toString());
        assertEquals(baseStr + "[3]", new ToStringBuilder(base).append("a", 3L).toString());
        assertEquals(baseStr + "[3,4]", new ToStringBuilder(base).append("a", 3L).append("b", 4L).toString());
    }

    @Test
    public void testObjectArray() {
        Object[] array = new Object[] {null, base, new int[] {3, 6}};
        assertEquals(baseStr + "[{<null>,5,{3,6}}]", new ToStringBuilder(base).append(array).toString());
        assertEquals(baseStr + "[{<null>,5,{3,6}}]", new ToStringBuilder(base).append((Object) array).toString());
        array = null;
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append(array).toString());
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append((Object) array).toString());
    }

    @Test
    public void testLongArray() {
        long[] array = new long[] {1, 2, -3, 4};
        assertEquals(baseStr + "[{1,2,-3,4}]", new ToStringBuilder(base).append(array).toString());
        assertEquals(baseStr + "[{1,2,-3,4}]", new ToStringBuilder(base).append((Object) array).toString());
        array = null;
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append(array).toString());
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append((Object) array).toString());
    }

    @Test
    public void testLongArrayArray() {
        long[][] array = new long[][] {{1, 2}, null, {5}};
        assertEquals(baseStr + "[{{1,2},<null>,{5}}]", new ToStringBuilder(base).append(array).toString());
        assertEquals(baseStr + "[{{1,2},<null>,{5}}]", new ToStringBuilder(base).append((Object) array).toString());
        array = null;
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append(array).toString());
        assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append((Object) array).toString());
    }

}

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