/*
* Copyright 2015 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.fixed;
import java.util.ArrayList;
import java.util.List;
import com.gs.collections.api.list.MutableList;
import com.gs.collections.impl.block.factory.Procedures2;
import com.gs.collections.impl.block.procedure.CollectionAddProcedure;
import com.gs.collections.impl.factory.Lists;
import com.gs.collections.impl.list.mutable.FastList;
import com.gs.collections.impl.test.SerializeTestHelper;
import com.gs.collections.impl.test.Verify;
import org.junit.Assert;
import org.junit.Test;
/**
* JUnit test for {@link QuadrupletonList}.
*/
public class QuadrupletonListTest extends AbstractMemoryEfficientMutableListTestCase
{
@Override
protected int getSize()
{
return 4;
}
@Override
protected Class<?> getListType()
{
return QuadrupletonList.class;
}
@Test
public void testClone()
{
MutableList<String> growableList = this.list.clone();
Verify.assertEqualsAndHashCode(this.list, growableList);
Verify.assertInstanceOf(QuadrupletonList.class, growableList);
}
@Test
public void testContains()
{
Verify.assertContains("1", this.list);
Verify.assertContains("2", this.list);
Verify.assertContains("3", this.list);
Verify.assertContains("4", this.list);
Verify.assertNotContains("5", this.list);
}
@Test
public void testEqualsAndHashCode()
{
MutableList<String> one = Lists.fixedSize.of("1", "2", "3", "4");
List<String> oneA = new ArrayList<>(one);
Verify.assertEqualsAndHashCode(one, oneA);
Verify.assertPostSerializedEqualsAndHashCode(one);
}
@Test
public void testRemove()
{
Verify.assertThrows(UnsupportedOperationException.class, () -> this.list.remove(0));
this.assertUnchanged();
}
@Test
public void testAddAtIndex()
{
Verify.assertThrows(UnsupportedOperationException.class, () -> this.list.add(0, "1"));
this.assertUnchanged();
}
@Test
public void testAdd()
{
Verify.assertThrows(UnsupportedOperationException.class, () -> this.list.add("1"));
this.assertUnchanged();
}
@Test
public void testAddingAllToOtherList()
{
List<String> newList = new ArrayList<>(this.list);
newList.add("5");
Verify.assertStartsWith(newList, "1", "2", "3", "4", "5");
}
@Test
public void testGet()
{
Verify.assertStartsWith(this.list, "1", "2", "3", "4");
Verify.assertThrows(IndexOutOfBoundsException.class, () -> this.list.get(4));
}
@Test
public void testSet()
{
MutableList<String> list = Lists.fixedSize.of("1", "2", "3", "4");
Assert.assertEquals("1", list.set(0, "4"));
Assert.assertEquals("2", list.set(1, "3"));
Assert.assertEquals("3", list.set(2, "2"));
Assert.assertEquals("4", list.set(3, "1"));
Assert.assertEquals(FastList.newListWith("4", "3", "2", "1"), list);
Verify.assertThrows(IndexOutOfBoundsException.class, () -> list.set(4, "0"));
}
private void assertUnchanged()
{
Verify.assertSize(4, this.list);
Verify.assertNotContains("5", this.list);
Assert.assertEquals(FastList.newListWith("1", "2", "3", "4"), this.list);
}
@Test
public void testSerializableEqualsAndHashCode()
{
Verify.assertPostSerializedEqualsAndHashCode(this.list);
MutableList<String> copyOfList = SerializeTestHelper.serializeDeserialize(this.list);
Assert.assertNotSame(this.list, copyOfList);
}
@Test
public void testGetFirstGetLast()
{
MutableList<String> list4 = Lists.fixedSize.of("1", "2", "3", "4");
Assert.assertEquals("1", list4.getFirst());
Assert.assertEquals("4", list4.getLast());
}
@Test
public void testForEach()
{
MutableList<String> result = Lists.mutable.of();
MutableList<String> source = Lists.fixedSize.of("1", "2", "3", "4");
source.forEach(CollectionAddProcedure.on(result));
Assert.assertEquals(FastList.newListWith("1", "2", "3", "4"), result);
}
@Test
public void testForEachWithIndex()
{
int[] indexSum = new int[1];
MutableList<String> result = Lists.mutable.of();
MutableList<String> source = Lists.fixedSize.of("1", "2", "3", "4");
source.forEachWithIndex((each, index) -> {
result.add(each);
indexSum[0] += index;
});
Assert.assertEquals(FastList.newListWith("1", "2", "3", "4"), result);
Assert.assertEquals(6, indexSum[0]);
}
@Test
public void testForEachWith()
{
MutableList<String> result = Lists.mutable.of();
MutableList<String> source = Lists.fixedSize.of("1", "2", "3", "4");
source.forEachWith(Procedures2.fromProcedure(result::add), null);
Assert.assertEquals(FastList.newListWith("1", "2", "3", "4"), result);
}
@Test
public void testForLoop()
{
MutableList<String> list = Lists.fixedSize.of("one", "two", "three", "four");
MutableList<String> upperList = Lists.fixedSize.of("ONE", "TWO", "THREE", "FOUR");
for (String each : list)
{
Verify.assertContains(each.toUpperCase(), upperList);
}
}
@Test
public void testSubList()
{
MutableList<String> list = Lists.fixedSize.of("one", "two", "three", "four");
MutableList<String> subList = list.subList(0, 3);
MutableList<String> upperList = Lists.fixedSize.of("ONE", "TWO", "THREE", "FOUR");
for (String each : subList)
{
Verify.assertContains(each.toUpperCase(), upperList);
}
}
@Test
public void without()
{
MutableList<Integer> list = new QuadrupletonList<>(1, 2, 3, 2);
Assert.assertSame(list, list.without(9));
list = list.without(2);
Verify.assertListsEqual(FastList.newListWith(1, 3, 2), list);
Verify.assertInstanceOf(TripletonList.class, list);
}
}