/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds licenses this file
* to you 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.
*/
package org.jclouds.util;
import static org.jclouds.reflect.Reflection2.method;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import org.testng.annotations.Test;
import com.google.common.base.Optional;
import com.google.common.reflect.Invokable;
/**
* @author Adrian Cole
*/
@Test
public class Optionals2Test {
public static interface Test {
Optional<String> getOptional();
String getNotOptional();
}
public void testReturnTypeOrTypeOfOptionalWhenOptional() throws SecurityException, NoSuchMethodException {
Invokable<?, ?> invoked = method(Test.class, "getOptional");
assertEquals(Optionals2.unwrapIfOptional(invoked.getReturnType()), String.class);
}
public void testReturnTypeOrTypeOfOptionalWhenNotOptional() throws SecurityException, NoSuchMethodException {
Invokable<?, ?> invoked = method(Test.class, "getNotOptional");
assertEquals(Optionals2.unwrapIfOptional(invoked.getReturnType()), String.class);
}
public void testIsReturnTypeOptionalWhenOptional() throws SecurityException, NoSuchMethodException {
Invokable<?, ?> invoked = method(Test.class, "getOptional");
assertTrue(Optionals2.isReturnTypeOptional(invoked));
}
public void testIsReturnTypeOptionalWhenNotOptional() throws SecurityException, NoSuchMethodException {
Invokable<?, ?> invoked = method(Test.class, "getNotOptional");
assertFalse(Optionals2.isReturnTypeOptional(invoked));
}
}