package org.mutabilitydetector;

/*
 * #%L
 * MutabilityDetector
 * %%
 * Copyright (C) 2008 - 2015 Graham Allan
 * %%
 * 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.
 * #L%
 */

import org.junit.Test;
import org.mutabilitydetector.classpath.ClassPathScanner;

import java.util.Set;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.MatcherAssert.assertThat;

public class ClassPathScannerTest {

    @Test
    public void scanClassPath() throws Exception {
        Set<Class<?>> immutableClasses = ClassPathScanner.findImmutableClasses("org.mutabilitydetector");

        assertThat(immutableClasses, notNullValue());
        assertThat(immutableClasses.size() > 0, is(true));
    }
}
package org.mutabilitydetector;

/*
 * #%L
 * MutabilityDetector
 * %%
 * Copyright (C) 2008 - 2015 Graham Allan
 * %%
 * 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.
 * #L%
 */

import org.junit.Test;
import org.mutabilitydetector.benchmarks.ImmutableExample;
import org.mutabilitydetector.benchmarks.settermethod.MutableByHavingSetterMethod;
import org.mutabilitydetector.classpath.ClassPathScanner;

import java.util.Set;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasItem;
import static org.hamcrest.Matchers.not;

public class ClassPathScannerTest {

    @Test
    public void scanClassPath() throws Exception {
        Set<Class<?>> immutableClasses = ClassPathScanner.findImmutableClasses("org.mutabilitydetector");

        assertThat(immutableClasses, hasItem(ImmutableExample.class));
        assertThat(immutableClasses, not(hasItem(MutableByHavingSetterMethod.class)));
    }
}
Strengthen the unit test for ClassPathScanner.