1 files changed, 126 insertions, 0 deletions
diff --git a/javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/resolution/javaparser/contexts/MethodCallExprContextResolutionTest.java b/javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/resolution/javaparser/contexts/MethodCallExprContextResolutionTest.java
new file mode 100644
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+++ b/javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/resolution/javaparser/contexts/MethodCallExprContextResolutionTest.java
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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.resolution.javaparser.contexts;
+
+import com.github.javaparser.ParseException;
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.body.MethodDeclaration;
+import com.github.javaparser.ast.expr.MethodCallExpr;
+import com.github.javaparser.resolution.MethodUsage;
+import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
+import com.github.javaparser.resolution.types.ResolvedType;
+import com.github.javaparser.symbolsolver.core.resolution.Context;
+import com.github.javaparser.symbolsolver.javaparser.Navigator;
+import com.github.javaparser.symbolsolver.javaparsermodel.contexts.MethodCallExprContext;
+import com.github.javaparser.symbolsolver.model.typesystem.ReferenceTypeImpl;
+import com.github.javaparser.symbolsolver.resolution.AbstractResolutionTest;
+import com.github.javaparser.symbolsolver.resolution.typesolvers.CombinedTypeSolver;
+import com.github.javaparser.symbolsolver.resolution.typesolvers.JavaParserTypeSolver;
+import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
+import org.junit.Test;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author Malte Langkabel
+ */
+public class MethodCallExprContextResolutionTest extends AbstractResolutionTest {
+    private MethodCallExpr getMethodCallExpr(String methodName, String callingMethodName) throws ParseException {
+        CompilationUnit cu = parseSample("MethodCalls");
+
+        com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "MethodCalls");
+        MethodDeclaration method = Navigator.demandMethod(clazz, methodName);
+        return Navigator.findMethodCall(method, callingMethodName);
+    }
+
+    private CombinedTypeSolver createTypeSolver() {
+        File src = adaptPath(new File("src/test/resources"));
+        CombinedTypeSolver combinedTypeSolver = new CombinedTypeSolver();
+        combinedTypeSolver.add(new ReflectionTypeSolver());
+        combinedTypeSolver.add(new JavaParserTypeSolver(src));
+        return combinedTypeSolver;
+    }
+
+    @Test
+    public void solveNestedMethodCallExprContextWithoutScope() throws ParseException {
+        MethodCallExpr methodCallExpr = getMethodCallExpr("bar1", "foo");
+        CombinedTypeSolver typeSolver = createTypeSolver();
+
+        Context context = new MethodCallExprContext(methodCallExpr, typeSolver);
+
+        Optional<MethodUsage> ref = context.solveMethodAsUsage("foo", Collections.emptyList(), typeSolver);
+        assertTrue(ref.isPresent());
+        assertEquals("MethodCalls", ref.get().declaringType().getQualifiedName());
+    }
+
+    @Test
+    public void solveGenericMethodCallMustUseProvidedTypeArgs() throws ParseException {
+        assertCanSolveGenericMethodCallMustUseProvidedTypeArgs("genericMethod0");
+    }
+
+    @Test
+    public void solveStaticGenericMethodCallMustUseProvidedTypeArgs() throws ParseException {
+        assertCanSolveGenericMethodCallMustUseProvidedTypeArgs("staticGenericMethod0");
+    }
+
+    private void assertCanSolveGenericMethodCallMustUseProvidedTypeArgs(String callMethodName) throws ParseException {
+        MethodCallExpr methodCallExpr = getMethodCallExpr("genericMethodTest", callMethodName);
+        CombinedTypeSolver typeSolver = createTypeSolver();
+
+        MethodCallExprContext context = new MethodCallExprContext(methodCallExpr, typeSolver);
+
+        Optional<MethodUsage> ref = context.solveMethodAsUsage(callMethodName, Collections.emptyList(), typeSolver);
+        assertTrue(ref.isPresent());
+        assertEquals("MethodCalls", ref.get().declaringType().getQualifiedName());
+        assertEquals(Collections.singletonList("java.lang.Integer"), ref.get().typeParametersMap().getTypes().stream().map(ty -> ty.asReferenceType().describe()).collect(Collectors.toList()));
+    }
+
+    @Test
+    public void solveGenericMethodCallCanInferFromArguments() throws ParseException {
+        assertCanSolveGenericMethodCallCanInferFromArguments("genericMethod1");
+    }
+
+    @Test
+    public void solveStaticGenericMethodCallCanInferFromArguments() throws ParseException {
+        assertCanSolveGenericMethodCallCanInferFromArguments("staticGenericMethod1");
+    }
+
+    private void assertCanSolveGenericMethodCallCanInferFromArguments(String callMethodName) throws ParseException {
+        MethodCallExpr methodCallExpr = getMethodCallExpr("genericMethodTest", callMethodName);
+        CombinedTypeSolver typeSolver = createTypeSolver();
+
+        MethodCallExprContext context = new MethodCallExprContext(methodCallExpr, typeSolver);
+
+        ResolvedReferenceTypeDeclaration stringType = typeSolver.solveType("java.lang.String");
+
+        List<ResolvedType> argumentsTypes = new ArrayList<>();
+        argumentsTypes.add(new ReferenceTypeImpl(stringType, typeSolver));
+
+        Optional<MethodUsage> ref = context.solveMethodAsUsage(callMethodName, argumentsTypes, typeSolver);
+        assertTrue(ref.isPresent());
+        assertEquals("MethodCalls", ref.get().declaringType().getQualifiedName());
+        assertEquals(Collections.singletonList("java.lang.String"), ref.get().typeParametersMap().getTypes().stream().map(ty -> ty.asReferenceType().describe()).collect(Collectors.toList()));
+    }
+}