1 /* 2 * Copyright 2016 Federico Tomassetti 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.github.javaparser.symbolsolver.logic; 18 19 import com.github.javaparser.resolution.types.ResolvedType; 20 import com.github.javaparser.symbolsolver.model.resolution.TypeSolver; 21 import com.github.javaparser.symbolsolver.model.typesystem.ReferenceTypeImpl; 22 import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionClassDeclaration; 23 import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionInterfaceDeclaration; 24 import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver; 25 import org.junit.Test; 26 27 import java.util.function.Consumer; 28 import java.util.function.Function; 29 30 import static org.junit.Assert.assertEquals; 31 32 public class FunctionInterfaceLogicTest { 33 34 @Test 35 public void testGetFunctionalMethodNegativeCaseOnClass() { 36 TypeSolver typeSolver = new ReflectionTypeSolver(); 37 ResolvedType string = new ReferenceTypeImpl(new ReflectionClassDeclaration(String.class, typeSolver), typeSolver); 38 assertEquals(false, FunctionalInterfaceLogic.getFunctionalMethod(string).isPresent()); 39 } 40 41 @Test 42 public void testGetFunctionalMethodPositiveCasesOnInterfaces() { 43 TypeSolver typeSolver = new ReflectionTypeSolver(); 44 ResolvedType function = new ReferenceTypeImpl(new ReflectionInterfaceDeclaration(Function.class, typeSolver), typeSolver); 45 assertEquals(true, FunctionalInterfaceLogic.getFunctionalMethod(function).isPresent()); 46 assertEquals("apply", FunctionalInterfaceLogic.getFunctionalMethod(function).get().getName()); 47 ResolvedType consumer = new ReferenceTypeImpl(new ReflectionInterfaceDeclaration(Consumer.class, typeSolver), typeSolver); 48 assertEquals(true, FunctionalInterfaceLogic.getFunctionalMethod(consumer).isPresent()); 49 assertEquals("accept", FunctionalInterfaceLogic.getFunctionalMethod(consumer).get().getName()); 50 } 51 } 52
