/*
* 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.lazy;
import com.gs.collections.impl.block.factory.Procedures;
import com.gs.collections.impl.factory.Lists;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class ZipWithIndexIterableTest
{
private ZipWithIndexIterable<Integer> iterableUnderTest;
private final StringBuilder buffer = new StringBuilder();
@Before
public void setUp()
{
this.iterableUnderTest = new ZipWithIndexIterable<>(Lists.immutable.of(1, 2, 3, 4));
}
private void assertBufferContains(String expected)
{
Assert.assertEquals(expected, this.buffer.toString());
}
@Test
public void forEach()
{
this.iterableUnderTest.forEach(Procedures.cast(argument1 -> {
this.buffer.append("(");
this.buffer.append(argument1);
this.buffer.append(")");
}));
this.assertBufferContains("(1:0)(2:1)(3:2)(4:3)");
}
@Test
public void forEachWIthIndex()
{
this.iterableUnderTest.forEachWithIndex((each, index) -> {
this.buffer.append("|(");
this.buffer.append(each);
this.buffer.append("),");
this.buffer.append(index);
});
this.assertBufferContains("|(1:0),0|(2:1),1|(3:2),2|(4:3),3");
}
@Test
public void forEachWith()
{
this.iterableUnderTest.forEachWith((argument1, argument2) -> {
this.buffer.append("|(");
this.buffer.append(argument1);
this.buffer.append("),");
this.buffer.append(argument2);
}, "A");
this.assertBufferContains("|(1:0),A|(2:1),A|(3:2),A|(4:3),A");
}
}