/*
* 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.collection.mutable;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import com.gs.collections.api.block.function.Function;
import com.gs.collections.api.block.function.primitive.BooleanFunction;
import com.gs.collections.api.block.function.primitive.ByteFunction;
import com.gs.collections.api.block.function.primitive.CharFunction;
import com.gs.collections.api.block.function.primitive.DoubleFunction;
import com.gs.collections.api.block.function.primitive.FloatFunction;
import com.gs.collections.api.block.function.primitive.IntFunction;
import com.gs.collections.api.block.function.primitive.LongFunction;
import com.gs.collections.api.block.function.primitive.ShortFunction;
import com.gs.collections.api.block.predicate.Predicate;
import com.gs.collections.api.collection.MutableCollection;
import com.gs.collections.api.list.MutableList;
import com.gs.collections.api.partition.PartitionMutableCollection;
import com.gs.collections.api.tuple.Pair;
import com.gs.collections.impl.block.factory.Functions;
import com.gs.collections.impl.block.factory.Functions2;
import com.gs.collections.impl.factory.Lists;
import com.gs.collections.impl.list.Interval;
import com.gs.collections.impl.list.mutable.FastList;
import com.gs.collections.impl.set.mutable.UnifiedSet;
import com.gs.collections.impl.test.Verify;
import org.junit.Assert;
import org.junit.Test;
/**
* Abstract JUnit test for {@link UnmodifiableMutableCollection}.
*/
public abstract class UnmodifiableMutableCollectionTestCase<T>
{
protected abstract MutableCollection<T> getCollection();
@Test(expected = UnsupportedOperationException.class)
public void removeIfWith()
{
this.getCollection().removeIfWith(null, null);
}
@Test(expected = UnsupportedOperationException.class)
public void removeIf()
{
Predicate<Object> predicate = null;
this.getCollection().removeIf(predicate);
}
@Test(expected = UnsupportedOperationException.class)
public void remove()
{
this.getCollection().remove(null);
}
@Test(expected = UnsupportedOperationException.class)
public void iteratorRemove()
{
Iterator<?> iterator = this.getCollection().iterator();
iterator.next();
iterator.remove();
}
@Test(expected = UnsupportedOperationException.class)
public void add()
{
this.getCollection().add(null);
}
@Test(expected = UnsupportedOperationException.class)
public void addAll()
{
this.getCollection().addAll(null);
}
@Test(expected = UnsupportedOperationException.class)
public void addAllIterable()
{
this.getCollection().addAllIterable(null);
}
@Test(expected = UnsupportedOperationException.class)
public void removeAll()
{
this.getCollection().removeAll(null);
}
@Test(expected = UnsupportedOperationException.class)
public void removeAllIterable()
{
this.getCollection().removeAllIterable(null);
}
@Test(expected = UnsupportedOperationException.class)
public void retainAll()
{
this.getCollection().retainAll(null);
}
@Test(expected = UnsupportedOperationException.class)
public void retainAllIterable()
{
this.getCollection().retainAllIterable(null);
}
@Test(expected = UnsupportedOperationException.class)
public void clear()
{
this.getCollection().clear();
}
@Test
public void testMakeString()
{
Assert.assertEquals(this.getCollection().toString(), '[' + this.getCollection().makeString() + ']');
}
@Test
public void testAppendString()
{
Appendable builder = new StringBuilder();
this.getCollection().appendString(builder);
Assert.assertEquals(this.getCollection().toString(), '[' + builder.toString() + ']');
}
@Test
public void select()
{
Assert.assertEquals(this.getCollection(), this.getCollection().select(ignored -> true));
Assert.assertNotEquals(this.getCollection(), this.getCollection().select(ignored -> false));
}
@Test
public void selectWith()
{
Assert.assertEquals(this.getCollection(), this.getCollection().selectWith((ignored1, ignored2) -> true, null));
Assert.assertNotEquals(this.getCollection(), this.getCollection().selectWith((ignored1, ignored2) -> false, null));
}
@Test
public void reject()
{
Assert.assertEquals(this.getCollection(), this.getCollection().reject(ignored1 -> false));
Assert.assertNotEquals(this.getCollection(), this.getCollection().reject(ignored -> true));
}
@Test
public void rejectWith()
{
Assert.assertEquals(this.getCollection(), this.getCollection().rejectWith((ignored11, ignored21) -> false, null));
Assert.assertNotEquals(this.getCollection(), this.getCollection().rejectWith((ignored1, ignored2) -> true, null));
}
@Test
public void partition()
{
PartitionMutableCollection<?> partition = this.getCollection().partition(ignored -> true);
Assert.assertEquals(this.getCollection(), partition.getSelected());
Assert.assertNotEquals(this.getCollection(), partition.getRejected());
}
@Test
public void partitionWith()
{
PartitionMutableCollection<?> partition = this.getCollection().partitionWith((ignored1, ignored2) -> true, null);
Assert.assertEquals(this.getCollection(), partition.getSelected());
Assert.assertNotEquals(this.getCollection(), partition.getRejected());
}
@Test
public void collect()
{
Assert.assertEquals(this.getCollection(), this.getCollection().collect(Functions.getPassThru()));
Assert.assertNotEquals(this.getCollection(), this.getCollection().collect(Object::getClass));
}
@Test
public void collectInt()
{
IntFunction<T> intFunction = anObject -> anObject == null ? 0 : 1;
Verify.assertSize(this.getCollection().size(), this.getCollection().collectInt(intFunction));
}
@Test
public void collectBoolean()
{
BooleanFunction<T> booleanFunction = anObject -> anObject == null;
Verify.assertSize(this.getCollection().size(), this.getCollection().collectBoolean(booleanFunction));
}
@Test
public void collectByte()
{
ByteFunction<T> byteFunction = anObject -> anObject == null ? (byte) 0 : (byte) 1;
Verify.assertSize(this.getCollection().size(), this.getCollection().collectByte(byteFunction));
}
@Test
public void collectChar()
{
CharFunction<T> charFunction = anObject -> anObject == null ? '0' : '1';
Verify.assertSize(this.getCollection().size(), this.getCollection().collectChar(charFunction));
}
@Test
public void collectDouble()
{
DoubleFunction<T> doubleFunction = anObject -> anObject == null ? 0.0d : 1.0d;
Verify.assertSize(this.getCollection().size(), this.getCollection().collectDouble(doubleFunction));
}
@Test
public void collectFloat()
{
FloatFunction<T> floatFunction = anObject -> anObject == null ? 0.0f : 1.0f;
Verify.assertSize(this.getCollection().size(), this.getCollection().collectFloat(floatFunction));
}
@Test
public void collectLong()
{
LongFunction<T> longFunction = anObject -> anObject == null ? 0L : 1L;
Verify.assertSize(this.getCollection().size(), this.getCollection().collectLong(longFunction));
}
@Test
public void collectShort()
{
ShortFunction<T> shortFunction = anObject -> (short) (anObject == null ? 0 : 1);
Verify.assertSize(this.getCollection().size(), this.getCollection().collectShort(shortFunction));
}
@Test
public void collectWith()
{
Assert.assertEquals(this.getCollection(), this.getCollection().collectWith(Functions2.fromFunction(Functions.getPassThru()), null));
Assert.assertNotEquals(this.getCollection(), this.getCollection().collectWith(Functions2.fromFunction(Object::getClass), null));
}
@Test
public void collectIf()
{
Assert.assertEquals(this.getCollection(), this.getCollection().collectIf(ignored -> true, Functions.getPassThru()));
Assert.assertNotEquals(this.getCollection(), this.getCollection().collectIf(ignored -> false, Object::getClass));
}
@Test
public void newEmpty()
{
MutableCollection<Object> collection = (MutableCollection<Object>) this.getCollection().newEmpty();
Verify.assertEmpty(collection);
collection.add("test");
Verify.assertNotEmpty(collection);
}
@Test
public void groupBy()
{
Assert.assertEquals(this.getCollection().size(), this.getCollection().groupBy(Functions.getPassThru()).size());
}
@Test
public void zip()
{
MutableCollection<Object> collection = (MutableCollection<Object>) this.getCollection();
List<Object> nulls = Collections.nCopies(collection.size(), null);
List<Object> nullsPlusOne = Collections.nCopies(collection.size() + 1, null);
List<Object> nullsMinusOne = Collections.nCopies(collection.size() - 1, null);
MutableCollection<Pair<Object, Object>> pairs = collection.zip(nulls);
Assert.assertEquals(
collection.toSet(),
pairs.collect((Function<Pair<Object, ?>, Object>) Pair::getOne).toSet());
Assert.assertEquals(
nulls,
pairs.collect((Function<Pair<?, Object>, Object>) Pair::getTwo, Lists.mutable.of()));
MutableCollection<Pair<Object, Object>> pairsPlusOne = collection.zip(nullsPlusOne);
Assert.assertEquals(
collection.toSet(),
pairsPlusOne.collect((Function<Pair<Object, ?>, Object>) Pair::getOne).toSet());
Assert.assertEquals(nulls, pairsPlusOne.collect((Function<Pair<?, Object>, Object>) Pair::getTwo, Lists.mutable.of()));
MutableCollection<Pair<Object, Object>> pairsMinusOne = collection.zip(nullsMinusOne);
Assert.assertEquals(collection.size() - 1, pairsMinusOne.size());
Assert.assertTrue(collection.containsAll(pairsMinusOne.collect((Function<Pair<Object, ?>, Object>) Pair::getOne)));
Assert.assertEquals(
collection.zip(nulls).toSet(),
collection.zip(nulls, new UnifiedSet<>()));
}
@Test
public void zipWithIndex()
{
MutableCollection<Object> collection = (MutableCollection<Object>) this.getCollection();
MutableCollection<Pair<Object, Integer>> pairs = collection.zipWithIndex();
Assert.assertEquals(
collection.toSet(),
pairs.collect((Function<Pair<Object, ?>, Object>) Pair::getOne).toSet());
Assert.assertEquals(
Interval.zeroTo(collection.size() - 1).toSet(),
pairs.collect((Function<Pair<?, Integer>, Integer>) Pair::getTwo, UnifiedSet.<Integer>newSet()));
Assert.assertEquals(
collection.zipWithIndex().toSet(),
collection.zipWithIndex(new UnifiedSet<>()));
}
@Test
public void flatCollect()
{
MutableCollection<Object> collection = (MutableCollection<Object>) this.getCollection();
Assert.assertEquals(
this.getCollection().toBag(),
collection.flatCollect((Function<Object, Iterable<Object>>) Lists.fixedSize::of).toBag());
}
@Test(expected = UnsupportedOperationException.class)
public void with()
{
this.getCollection().with(null);
}
@Test(expected = UnsupportedOperationException.class)
public void withAll()
{
this.getCollection().withAll(FastList.<T>newList());
}
@Test(expected = UnsupportedOperationException.class)
public void without()
{
this.getCollection().without(null);
}
@Test(expected = UnsupportedOperationException.class)
public void withoutAll()
{
this.getCollection().withoutAll(FastList.<T>newList());
}
@Test
public void tap()
{
MutableList<T> tapResult = Lists.mutable.of();
MutableCollection<T> collection = this.getCollection();
Assert.assertSame(collection, collection.tap(tapResult::add));
Assert.assertEquals(collection.toList(), tapResult);
}
}