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.resolution; 18 19 import com.github.javaparser.ParseException; 20 import com.github.javaparser.ast.CompilationUnit; 21 import com.github.javaparser.ast.body.MethodDeclaration; 22 import com.github.javaparser.ast.expr.MethodCallExpr; 23 import com.github.javaparser.ast.expr.NameExpr; 24 import com.github.javaparser.resolution.MethodUsage; 25 import com.github.javaparser.resolution.declarations.ResolvedValueDeclaration; 26 import com.github.javaparser.symbolsolver.javaparser.Navigator; 27 import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade; 28 import com.github.javaparser.symbolsolver.model.resolution.SymbolReference; 29 import com.github.javaparser.symbolsolver.model.resolution.TypeSolver; 30 import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver; 31 import org.junit.Test; 32 33 import static org.junit.Assert.assertEquals; 34 import static org.junit.Assert.assertTrue; 35 36 public class StatementContextResolutionTest extends AbstractResolutionTest { 37 38 @Test 39 public void resolveLocalVariableInParentOfParent() { 40 CompilationUnit cu = parseSample("LocalVariableInParent"); 41 com.github.javaparser.ast.body.ClassOrInterfaceDeclaration referencesToField = Navigator.demandClass(cu, "LocalVariableInParent"); 42 MethodDeclaration method = Navigator.demandMethod(referencesToField, "foo1"); 43 NameExpr nameExpr = Navigator.findNameExpression(method, "s").get(); 44 45 SymbolReference<? extends ResolvedValueDeclaration> ref = JavaParserFacade.get(new ReflectionTypeSolver()).solve(nameExpr); 46 assertTrue(ref.isSolved()); 47 assertEquals("java.lang.String", ref.getCorrespondingDeclaration().getType().asReferenceType().getQualifiedName()); 48 } 49 50 @Test 51 public void resolveLocalVariableInParent() { 52 CompilationUnit cu = parseSample("LocalVariableInParent"); 53 com.github.javaparser.ast.body.ClassOrInterfaceDeclaration referencesToField = Navigator.demandClass(cu, "LocalVariableInParent"); 54 MethodDeclaration method = Navigator.demandMethod(referencesToField, "foo3"); 55 NameExpr nameExpr = Navigator.findNameExpression(method, "s").get(); 56 57 SymbolReference<? extends ResolvedValueDeclaration> ref = JavaParserFacade.get(new ReflectionTypeSolver()).solve(nameExpr); 58 assertTrue(ref.isSolved()); 59 assertEquals("java.lang.String", ref.getCorrespondingDeclaration().getType().asReferenceType().getQualifiedName()); 60 } 61 62 @Test 63 public void resolveLocalVariableInSameParent() { 64 CompilationUnit cu = parseSample("LocalVariableInParent"); 65 com.github.javaparser.ast.body.ClassOrInterfaceDeclaration referencesToField = Navigator.demandClass(cu, "LocalVariableInParent"); 66 MethodDeclaration method = Navigator.demandMethod(referencesToField, "foo2"); 67 NameExpr nameExpr = Navigator.findNameExpression(method, "s").get(); 68 69 SymbolReference<? extends ResolvedValueDeclaration> ref = JavaParserFacade.get(new ReflectionTypeSolver()).solve(nameExpr); 70 assertTrue(ref.isSolved()); 71 assertEquals("java.lang.String", ref.getCorrespondingDeclaration().getType().asReferenceType().getQualifiedName()); 72 } 73 74 @Test 75 public void resolveLocalAndSeveralAnnidatedLevels() { 76 CompilationUnit cu = parseSample("LocalVariableInParent"); 77 com.github.javaparser.ast.body.ClassOrInterfaceDeclaration referencesToField = Navigator.demandClass(cu, "LocalVariableInParent"); 78 MethodDeclaration method = Navigator.demandMethod(referencesToField, "foo4"); 79 MethodCallExpr call = Navigator.findMethodCall(method, "add").get(); 80 81 TypeSolver typeSolver = new ReflectionTypeSolver(); 82 83 SymbolReference<? extends ResolvedValueDeclaration> ref = JavaParserFacade.get(typeSolver).solve(call.getScope().get()); 84 assertTrue(ref.isSolved()); 85 assertEquals("java.util.List<Comment>", ref.getCorrespondingDeclaration().getType().describe()); 86 87 MethodUsage methodUsage = JavaParserFacade.get(typeSolver).solveMethodAsUsage(call); 88 assertEquals("add", methodUsage.getName()); 89 } 90 91 @Test 92 public void resolveMethodOnGenericClass() { 93 CompilationUnit cu = parseSample("LocalVariableInParent"); 94 com.github.javaparser.ast.body.ClassOrInterfaceDeclaration referencesToField = Navigator.demandClass(cu, "LocalVariableInParent"); 95 MethodDeclaration method = Navigator.demandMethod(referencesToField, "foo5"); 96 MethodCallExpr call = Navigator.findMethodCall(method, "add").get(); 97 98 TypeSolver typeSolver = new ReflectionTypeSolver(); 99 100 SymbolReference<? extends ResolvedValueDeclaration> ref = JavaParserFacade.get(typeSolver).solve(call.getScope().get()); 101 assertTrue(ref.isSolved()); 102 assertEquals("java.util.List<Comment>", ref.getCorrespondingDeclaration().getType().describe()); 103 104 MethodUsage methodUsage = JavaParserFacade.get(typeSolver).solveMethodAsUsage(call); 105 assertEquals("add", methodUsage.getName()); 106 } 107 108 } 109
