1 files changed, 100 insertions, 0 deletions
diff --git a/javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/resolution/javaparser/declarations/JavaParserTypeParameterResolutionTest.java b/javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/resolution/javaparser/declarations/JavaParserTypeParameterResolutionTest.java
new file mode 100644
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+++ b/javaparser-symbol-solver-testing/src/test/java/com/github/javaparser/symbolsolver/resolution/javaparser/declarations/JavaParserTypeParameterResolutionTest.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.declarations;
+
+import com.github.javaparser.ParseException;
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration;
+import com.github.javaparser.ast.body.MethodDeclaration;
+import com.github.javaparser.ast.expr.MethodCallExpr;
+import com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration;
+import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
+import com.github.javaparser.resolution.declarations.ResolvedTypeParameterDeclaration;
+import com.github.javaparser.symbolsolver.javaparser.Navigator;
+import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade;
+import com.github.javaparser.symbolsolver.javaparsermodel.declarations.JavaParserTypeParameter;
+import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
+import com.github.javaparser.symbolsolver.resolution.AbstractResolutionTest;
+import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class JavaParserTypeParameterResolutionTest extends AbstractResolutionTest {
+
+    private void testGenericArguments(String containingMethodName) {
+        CompilationUnit cu = parseSample("GenericMethodArguments");
+        TypeSolver typeSolver = new ReflectionTypeSolver();
+        JavaParserFacade javaParserFacade = JavaParserFacade.get(typeSolver);
+        ClassOrInterfaceDeclaration classDecl = Navigator.demandClass(cu, "GenericMethodArguments");
+        MethodDeclaration containingMethod = Navigator.demandMethod(classDecl, containingMethodName);
+        MethodCallExpr bar = Navigator.findMethodCall(containingMethod, "apply").get();
+
+        assertTrue(javaParserFacade.solve(bar).isSolved());
+    }
+
+    @Test
+    public void genericMethodWithGenericClassBasedArgument() {
+        testGenericArguments("useCase1");
+    }
+
+    @Test
+    public void genericMethodWithGenericClassArgument() {
+        testGenericArguments("useCase2");
+    }
+
+    @Test
+    public void declaredOnMethodPositiveCase() {
+        CompilationUnit cu = parseSample("MethodTypeParameter");
+        TypeSolver typeSolver = new ReflectionTypeSolver();
+        JavaParserFacade javaParserFacade = JavaParserFacade.get(typeSolver);
+        ClassOrInterfaceDeclaration classDecl = Navigator.demandClass(cu, "Foo");
+        MethodDeclaration methodDecl = Navigator.demandMethod(classDecl, "usage");
+        MethodCallExpr callToFoo = (MethodCallExpr) Navigator.findReturnStmt(methodDecl).getExpression().get();
+        ResolvedMethodDeclaration methodDeclaration = javaParserFacade.solve(callToFoo).getCorrespondingDeclaration();
+        for (ResolvedTypeParameterDeclaration tp : methodDeclaration.getTypeParameters()) {
+            assertTrue(tp instanceof JavaParserTypeParameter);
+            assertEquals("C", tp.getName());
+            assertEquals(true, tp.declaredOnMethod());
+            assertEquals(false, tp.declaredOnType());
+        }
+    }
+
+    @Test
+    public void declaredOnMethodNegativeCase() {
+        CompilationUnit cu = parseSample("ClassTypeParameter");
+        TypeSolver typeSolver = new ReflectionTypeSolver();
+        JavaParserFacade javaParserFacade = JavaParserFacade.get(typeSolver);
+        ClassOrInterfaceDeclaration classDecl = Navigator.demandClass(cu, "Foo");
+        MethodDeclaration methodDecl = Navigator.demandMethod(classDecl, "usage");
+        MethodCallExpr callToFoo = (MethodCallExpr) Navigator.findReturnStmt(methodDecl).getExpression().get();
+        ResolvedMethodDeclaration methodDeclaration = javaParserFacade.solve(callToFoo).getCorrespondingDeclaration();
+        ResolvedReferenceTypeDeclaration typeDeclaration = methodDeclaration.declaringType();
+        assertEquals(2, typeDeclaration.getTypeParameters().size());
+        assertTrue(typeDeclaration.getTypeParameters().get(0) instanceof JavaParserTypeParameter);
+        assertEquals("A", typeDeclaration.getTypeParameters().get(0).getName());
+        assertEquals(false, typeDeclaration.getTypeParameters().get(0).declaredOnMethod());
+        assertEquals(true, typeDeclaration.getTypeParameters().get(0).declaredOnType());
+        assertTrue(typeDeclaration.getTypeParameters().get(1) instanceof JavaParserTypeParameter);
+        assertEquals("B", typeDeclaration.getTypeParameters().get(1).getName());
+        assertEquals(false, typeDeclaration.getTypeParameters().get(1).declaredOnMethod());
+        assertEquals(true, typeDeclaration.getTypeParameters().get(1).declaredOnType());
+
+    }
+
+}