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/*
* Copyright 2016 Federico Tomassetti
*
* 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.
*/
package com.github.javaparser.symbolsolver.logic;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import com.github.javaparser.symbolsolver.model.typesystem.ReferenceTypeImpl;
import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionClassDeclaration;
import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionInterfaceDeclaration;
import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
import org.junit.Test;
import java.util.function.Consumer;
import java.util.function.Function;
import static org.junit.Assert.assertEquals;
public class FunctionInterfaceLogicTest {
@Test
public void testGetFunctionalMethodNegativeCaseOnClass() {
TypeSolver typeSolver = new ReflectionTypeSolver();
ResolvedType string = new ReferenceTypeImpl(new ReflectionClassDeclaration(String.class, typeSolver), typeSolver);
assertEquals(false, FunctionalInterfaceLogic.getFunctionalMethod(string).isPresent());
}
@Test
public void testGetFunctionalMethodPositiveCasesOnInterfaces() {
TypeSolver typeSolver = new ReflectionTypeSolver();
ResolvedType function = new ReferenceTypeImpl(new ReflectionInterfaceDeclaration(Function.class, typeSolver), typeSolver);
assertEquals(true, FunctionalInterfaceLogic.getFunctionalMethod(function).isPresent());
assertEquals("apply", FunctionalInterfaceLogic.getFunctionalMethod(function).get().getName());
ResolvedType consumer = new ReferenceTypeImpl(new ReflectionInterfaceDeclaration(Consumer.class, typeSolver), typeSolver);
assertEquals(true, FunctionalInterfaceLogic.getFunctionalMethod(consumer).isPresent());
assertEquals("accept", FunctionalInterfaceLogic.getFunctionalMethod(consumer).get().getName());
}
}
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