| /* |
| * 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.giraph.block_app.framework.block; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.giraph.block_app.framework.piece.AbstractPiece; |
| import org.apache.giraph.block_app.framework.piece.Piece; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Iterables; |
| |
| /** |
| * Tests repeatBlock's correctness |
| */ |
| public class TestRepeatBlock { |
| |
| public static final int REPEAT_TIMES = 5; |
| |
| @Test |
| public void testRepeatBlockBasic() throws Exception { |
| Piece piece1 = new Piece(); |
| Piece piece2 = new Piece(); |
| Block innerBlock = new SequenceBlock(piece1, piece2); |
| Block repeatBlock = new RepeatBlock( |
| REPEAT_TIMES, |
| innerBlock |
| ); |
| BlockTestingUtils.testIndependence( |
| Iterables.concat(Collections.nCopies(REPEAT_TIMES, Arrays.asList(piece1, piece2))), |
| repeatBlock); |
| Assert.assertEquals(REPEAT_TIMES * 2, repeatBlock.getPieceCount().getCount()); |
| } |
| |
| @Test |
| public void testNestedRepeatBlock() throws Exception { |
| Piece piece1 = new Piece(); |
| Piece piece2 = new Piece(); |
| Block innerBlock = new SequenceBlock(piece1, piece2); |
| Block repeatBlock = new RepeatBlock( |
| REPEAT_TIMES, |
| innerBlock |
| ); |
| BlockTestingUtils.testNestedRepeatBlock( |
| Iterables.concat(Collections.nCopies(REPEAT_TIMES, Arrays.asList(piece1, piece2))), |
| repeatBlock); |
| } |
| |
| @Test |
| public void testRepeatBlockEmpty() throws Exception { |
| Block innerBlock = new EmptyBlock(); |
| Block repeatBlock = new RepeatBlock( |
| REPEAT_TIMES, |
| innerBlock |
| ); |
| List<? extends AbstractPiece> referenceImpl = Collections.emptyList(); |
| BlockTestingUtils.testIndependence( |
| // Concatenating EmptyIterator = just EmptyIterator. No obj's to |
| // compare against either |
| referenceImpl, |
| repeatBlock); |
| } |
| |
| } |