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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.duplications.statement.matcher;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import org.sonar.duplications.token.Token;
import org.sonar.duplications.token.TokenQueue;
public class BridgeTokenMatcherTest {
@Test(expected = IllegalArgumentException.class)
public void shouldNotAcceptNullAsLeft() {
new BridgeTokenMatcher(null, ")");
}
@Test(expected = IllegalArgumentException.class)
public void shouldNotAcceptNullAsRight() {
new BridgeTokenMatcher("(", null);
}
@Test
public void shouldMatch() {
Token t1 = new Token("(", 1, 1);
Token t2 = new Token("a", 2, 1);
Token t3 = new Token("(", 3, 1);
Token t4 = new Token("b", 4, 1);
Token t5 = new Token(")", 5, 1);
Token t6 = new Token("c", 6, 1);
Token t7 = new Token(")", 7, 1);
TokenQueue tokenQueue = spy(new TokenQueue(Arrays.asList(t1, t2, t3, t4, t5, t6, t7)));
List<Token> output = mock(List.class);
BridgeTokenMatcher matcher = new BridgeTokenMatcher("(", ")");
assertThat(matcher.matchToken(tokenQueue, output), is(true));
verify(tokenQueue, times(1)).isNextTokenValue("(");
verify(tokenQueue, times(7)).poll();
verify(tokenQueue, times(7)).peek();
verifyNoMoreInteractions(tokenQueue);
verify(output).add(t1);
verify(output).add(t2);
verify(output).add(t3);
verify(output).add(t4);
verify(output).add(t5);
verify(output).add(t6);
verify(output).add(t7);
verifyNoMoreInteractions(output);
}
@Test
public void shouldNotMatchWhenNoLeft() {
Token t1 = new Token("a", 1, 1);
TokenQueue tokenQueue = spy(new TokenQueue(Arrays.asList(t1)));
List<Token> output = mock(List.class);
BridgeTokenMatcher matcher = new BridgeTokenMatcher("(", ")");
assertThat(matcher.matchToken(tokenQueue, output), is(false));
verify(tokenQueue).isNextTokenValue("(");
verifyNoMoreInteractions(tokenQueue);
verifyNoMoreInteractions(output);
}
@Test
public void shouldNotMatchWhenNoRight() {
Token t1 = new Token("(", 1, 1);
TokenQueue tokenQueue = spy(new TokenQueue(Arrays.asList(t1)));
List<Token> output = mock(List.class);
BridgeTokenMatcher matcher = new BridgeTokenMatcher("(", ")");
assertThat(matcher.matchToken(tokenQueue, output), is(false));
verify(tokenQueue, times(1)).isNextTokenValue("(");
verify(tokenQueue, times(1)).poll();
verify(tokenQueue, times(2)).peek();
verifyNoMoreInteractions(tokenQueue);
verify(output).add(t1);
verifyNoMoreInteractions(output);
}
}
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