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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.declarations.ResolvedTypeParameterDeclaration;
import com.github.javaparser.resolution.types.ResolvedReferenceType;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.resolution.types.ResolvedTypeVariable;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import com.github.javaparser.symbolsolver.model.typesystem.ReferenceTypeImpl;
import com.github.javaparser.symbolsolver.reflectionmodel.MyObjectProvider;
import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionClassDeclaration;
import com.github.javaparser.symbolsolver.reflectionmodel.ReflectionInterfaceDeclaration;
import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
import com.google.common.collect.ImmutableList;
import org.junit.Before;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* @author Federico Tomassetti
*/
public class InferenceContextTest {
private TypeSolver typeSolver;
private ResolvedReferenceType string;
private ResolvedReferenceType object;
private ResolvedReferenceType listOfString;
private ResolvedReferenceType listOfE;
private ResolvedTypeParameterDeclaration tpE;
@Before
public void setup() {
typeSolver = new ReflectionTypeSolver();
string = new ReferenceTypeImpl(new ReflectionClassDeclaration(String.class, typeSolver), typeSolver);
object = new ReferenceTypeImpl(new ReflectionClassDeclaration(Object.class, typeSolver), typeSolver);
listOfString = listOf(string);
tpE = mock(ResolvedTypeParameterDeclaration.class);
when(tpE.getName()).thenReturn("T");
listOfE = listOf(new ResolvedTypeVariable(tpE));
}
private ResolvedReferenceType listOf(ResolvedType elementType) {
return new ReferenceTypeImpl(new ReflectionInterfaceDeclaration(List.class, typeSolver), ImmutableList.of(elementType), typeSolver);
}
@Test
public void noVariablesArePlacedWhenNotNeeded() {
ResolvedType result = new InferenceContext(MyObjectProvider.INSTANCE).addPair(object, string);
assertEquals(object, result);
}
@Test
public void placingASingleVariableTopLevel() {
ResolvedType result = new InferenceContext(MyObjectProvider.INSTANCE).addPair(new ResolvedTypeVariable(tpE), listOfString);
assertEquals(new InferenceVariableType(0, MyObjectProvider.INSTANCE), result);
}
@Test
public void placingASingleVariableInside() {
ResolvedType result = new InferenceContext(MyObjectProvider.INSTANCE).addPair(listOfE, listOfString);
assertEquals(listOf(new InferenceVariableType(0, MyObjectProvider.INSTANCE)), result);
}
}
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