UnmodifiableMutableListTestCase.java

/*
 * Copyright 2014 Goldman Sachs.
 *
 * Licensed 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 com.gs.collections.impl.list.mutable;

import java.util.ListIterator;

import com.gs.collections.api.list.MutableList;
import com.gs.collections.impl.block.factory.Comparators;
import com.gs.collections.impl.list.fixed.UnmodifiableMemoryEfficientListTestCase;
import com.gs.collections.impl.test.Verify;
import org.junit.Assert;
import org.junit.Test;

/**
 * Abstract JUnit test for {@link UnmodifiableMutableList}.
 */
public abstract class UnmodifiableMutableListTestCase extends UnmodifiableMemoryEfficientListTestCase<Integer>
{
    @Test
    public void testClone()
    {
        Assert.assertEquals(this.getCollection(), this.getCollection().clone());
        Assert.assertNotSame(this.getCollection(), this.getCollection().clone());
    }

    @Test
    public void serialization()
    {
        Verify.assertPostSerializedEqualsAndHashCode(this.getCollection());
    }

    @Override
    @Test
    public void subList()
    {
        super.subList();
        MutableList<Integer> subList = this.getCollection().subList(0, 1);
        Verify.assertThrows(UnsupportedOperationException.class, subList::clear);
        Verify.assertThrows(UnsupportedOperationException.class, () -> subList.set(0, null));
        Verify.assertThrows(UnsupportedOperationException.class, () -> subList.add(0, null));
        Verify.assertThrows(UnsupportedOperationException.class, () -> subList.add(null));
        Verify.assertThrows(UnsupportedOperationException.class, () -> subList.remove(0));
        Verify.assertThrows(UnsupportedOperationException.class, () -> subList.remove(null));
    }

    @Override
    @Test
    public void listIterator()
    {
        ListIterator<Integer> it = this.getCollection().listIterator();
        Assert.assertFalse(it.hasPrevious());
        Assert.assertEquals(-1, it.previousIndex());
        Assert.assertEquals(0, it.nextIndex());
        it.next();
        Assert.assertEquals(1, it.nextIndex());

        Verify.assertThrows(UnsupportedOperationException.class, () -> it.set(null));

        Verify.assertThrows(UnsupportedOperationException.class, it::remove);

        Verify.assertThrows(UnsupportedOperationException.class, () -> it.add(null));
    }

    @Test
    public void subListListIterator()
    {
        ListIterator<Integer> it = this.getCollection().subList(0, 1).listIterator();
        Assert.assertFalse(it.hasPrevious());
        Assert.assertEquals(-1, it.previousIndex());
        Assert.assertEquals(0, it.nextIndex());
        it.next();
        Assert.assertEquals(1, it.nextIndex());

        Verify.assertThrows(UnsupportedOperationException.class, () -> it.set(null));

        Verify.assertThrows(UnsupportedOperationException.class, it::remove);

        Verify.assertThrows(UnsupportedOperationException.class, () -> it.add(null));
    }

    @Test
    public void set()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().set(0, null));
    }

    @Override
    @Test
    public void addAtIndex()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().add(0, null));
    }

    @Override
    @Test
    public void addAllAtIndex()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().addAll(0, null));
    }

    @Test
    public void removeAtIndex()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().remove(0));
    }

    @Test
    public void setAtIndex()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().set(0, null));
    }

    @Test
    public void sortThis()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThis());
    }

    @Test
    public void sortThisWithComparator()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThis(Comparators.naturalOrder()));
    }

    @Test
    public void sortThisBy()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisBy(String::valueOf));
    }

    @Test
    public void sortThisByBoolean()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisByBoolean(null));
    }

    @Test
    public void sortThisByChar()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisByChar(null));
    }

    @Test
    public void sortThisByByte()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisByByte(null));
    }

    @Test
    public void sortThisByShort()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisByShort(null));
    }

    @Test
    public void sortThisByInt()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisByInt(null));
    }

    @Test
    public void sortThisByFloat()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisByFloat(null));
    }

    @Test
    public void sortThisByLong()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisByLong(null));
    }

    @Test
    public void sortThisByDouble()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().sortThisByDouble(null));
    }

    @Test
    public void reverseThis()
    {
        Verify.assertThrows(UnsupportedOperationException.class, () -> this.getCollection().reverseThis());
    }

    @Test
    public void testEquals()
    {
        Assert.assertEquals(this.getCollection(), this.getCollection());
    }
}