/*
 * Copyright 2015-2020 the original author or authors.
 *
 * All rights reserved. This program and the accompanying materials are
 * made available under the terms of the Eclipse Public License v2.0 which
 * accompanies this distribution and is available at
 *
 * https://www.eclipse.org/legal/epl-v20.html
 */

package org.junit.jupiter.engine.discovery.predicates;

import static org.junit.platform.commons.util.AnnotationUtils.isAnnotated;
import static org.junit.platform.commons.util.ReflectionUtils.isAbstract;
import static org.junit.platform.commons.util.ReflectionUtils.isPrivate;
import static org.junit.platform.commons.util.ReflectionUtils.isStatic;
import static org.junit.platform.commons.util.ReflectionUtils.returnsVoid;

import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.function.Predicate;

Since:5.0
/** * @since 5.0 */
abstract class IsTestableMethod implements Predicate<Method> { private final Class<? extends Annotation> annotationType; private final boolean mustReturnVoid; IsTestableMethod(Class<? extends Annotation> annotationType, boolean mustReturnVoid) { this.annotationType = annotationType; this.mustReturnVoid = mustReturnVoid; } @Override public boolean test(Method candidate) { // Please do not collapse the following into a single statement. if (isStatic(candidate)) { return false; } if (isPrivate(candidate)) { return false; } if (isAbstract(candidate)) { return false; } if (returnsVoid(candidate) != this.mustReturnVoid) { return false; } return isAnnotated(candidate, this.annotationType); } }