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JavaDuplicationsFunctionalTest.java
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JavaDuplicationsFunctionalTest.java
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/*
* Sonar, open source software quality management tool.
* Copyright (C) 2008-2011 SonarSource
* mailto:contact AT sonarsource DOT com
*
* Sonar is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Sonar is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.duplications.java;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import java.util.List;
import org.junit.Test;
import org.sonar.duplications.block.Block;
import org.sonar.duplications.block.BlockChunker;
import org.sonar.duplications.detector.original.OriginalCloneDetectionAlgorithm;
import org.sonar.duplications.index.CloneGroup;
import org.sonar.duplications.index.MemoryCloneIndex;
import org.sonar.duplications.statement.Statement;
import org.sonar.duplications.statement.StatementChunker;
import org.sonar.duplications.token.TokenChunker;
import com.google.common.base.Joiner;
public class JavaDuplicationsFunctionalTest {
private static final int BLOCK_SIZE = 1;
private TokenChunker tokenChunker = JavaTokenProducer.build();
private StatementChunker statementChunker = JavaStatementBuilder.build();
private BlockChunker blockChunker = new BlockChunker(BLOCK_SIZE);
private List<CloneGroup> detect(String... lines) {
String sourceCode = Joiner.on('\n').join(lines);
MemoryCloneIndex index = new MemoryCloneIndex();
List<Statement> statements = statementChunker.chunk(tokenChunker.chunk(sourceCode));
List<Block> blocks = blockChunker.chunk("resourceId", statements);
for (Block block : blocks) {
index.insert(block);
}
return OriginalCloneDetectionAlgorithm.detect(index, blocks);
}
/**
* See SONAR-2837
*/
@Test
public void initializationOfMultidimensionalArray() {
List<CloneGroup> duplications = detect("int[][] idx = new int[][] { { 1, 2 }, { 3, 4 } };");
assertThat(duplications.size(), is(0));
}
/**
* See SONAR-2782
*/
@Test
public void chainOfCases() {
List<CloneGroup> duplications = detect(
"switch (a) {",
" case 'a': case 'b': case 'c':",
" doSomething();",
" case 'd': case 'e': case 'f':",
" doSomethingElse();",
"}");
assertThat(duplications.size(), is(0));
}
@Test
public void literalsNormalization() {
List<CloneGroup> duplications = detect(
"String s = \"abc\";",
"String s = \"def\";");
assertThat(duplications.size(), is(1));
duplications = detect(
"int i = 1;",
"int i = 2;");
assertThat(duplications.size(), is(1));
}
}