JavaConstantsTest.java example

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sonar-java-master
/*
 * SonarQube Java
 * Copyright (C) 2012-2016 SonarSource SA
 * mailto:contact 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.java;

import org.junit.Test;
import org.sonar.java.model.ExpressionUtils;

import java.lang.reflect.Constructor;

import static java.lang.reflect.Modifier.isFinal;
import static java.lang.reflect.Modifier.isPrivate;
import static org.assertj.core.api.Assertions.assertThat;

public class JavaConstantsTest {

  @Test
  public void private_constructor() throws Exception {
    assertThat(isFinal(ExpressionUtils.class.getModifiers())).isTrue();
    Constructor<JavaConstants> constructor = JavaConstants.class.getDeclaredConstructor();
    assertThat(isPrivate(constructor.getModifiers())).isTrue();
    assertThat(constructor.isAccessible()).isFalse();
    constructor.setAccessible(true);
    constructor.newInstance();
  }

}