1 files changed, 150 insertions, 0 deletions
diff --git a/harmony-tests/src/test/java/org/apache/harmony/tests/java/lang/reflect/TypeVariableTest.java b/harmony-tests/src/test/java/org/apache/harmony/tests/java/lang/reflect/TypeVariableTest.java
new file mode 100644
index 0000000..d1c7ea9
--- /dev/null
+++ b/harmony-tests/src/test/java/org/apache/harmony/tests/java/lang/reflect/TypeVariableTest.java
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 org.apache.harmony.tests.java.lang.reflect;
+
+import java.io.Serializable;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+import java.lang.reflect.Type;
+import java.lang.reflect.TypeVariable;
+
+/**
+ * Tests type variables and their properties.
+ */
+public class TypeVariableTest extends GenericReflectionTestsBase {
+
+    static class A<T>{}
+    public void testSimpleTypeVariableOnClass(){
+        Class<? extends A> clazz = A.class;
+        TypeVariable[] typeParameters = clazz.getTypeParameters();
+        assertLenghtOne(typeParameters);
+        TypeVariable<Class> typeVariable = typeParameters[0];
+        assertEquals(clazz, typeVariable.getGenericDeclaration());
+        assertEquals("T", typeVariable.getName());
+        Type[] bounds = typeVariable.getBounds();
+        assertLenghtOne(bounds);
+        assertEquals(Object.class, bounds[0]);
+    }
+
+    static class B{
+        <T> void b(){};
+    }
+    public void testSimpleTypeVariableOnMethod() throws Exception{
+        Class<? extends B> clazz = B.class;
+        Method method = clazz.getDeclaredMethod("b");
+        TypeVariable<Method>[] typeParameters = method.getTypeParameters();
+        assertLenghtOne(typeParameters);
+        TypeVariable<Method> typeVariable = typeParameters[0];
+        assertEquals(method, typeVariable.getGenericDeclaration());
+        assertEquals("T", typeVariable.getName());
+        Type[] bounds = typeVariable.getBounds();
+        assertLenghtOne(bounds);
+        assertEquals(Object.class, bounds[0]);
+    }
+
+    static class C {
+        <T>C(){}
+    }
+    public void testSimpleTypeVariableOnConstructor() throws Exception{
+        Class<? extends C> clazz = C.class;
+        Constructor<?> constructor = clazz.getDeclaredConstructor();
+        TypeVariable<?>[] typeParameters = constructor.getTypeParameters();
+        assertLenghtOne(typeParameters);
+        TypeVariable<?> typeVariable = typeParameters[0];
+        assertEquals(constructor, typeVariable.getGenericDeclaration());
+        assertEquals("T", typeVariable.getName());
+        Type[] bounds = typeVariable.getBounds();
+        assertLenghtOne(bounds);
+        assertEquals(Object.class, bounds[0]);
+    }
+
+    static class D<Q,R,S>{}
+    public void testMultipleTypeVariablesOnClass() throws Exception {
+        Class<? extends D> clazz = D.class;
+        TypeVariable<?>[] typeParameters = clazz.getTypeParameters();
+        assertEquals(3, typeParameters.length);
+        assertEquals("Q", typeParameters[0].getName());
+        assertEquals(clazz, typeParameters[0].getGenericDeclaration());
+
+        assertEquals("R", typeParameters[1].getName());
+        assertEquals(clazz, typeParameters[1].getGenericDeclaration());
+
+        assertEquals("S", typeParameters[2].getName());
+        assertEquals(clazz, typeParameters[2].getGenericDeclaration());
+
+    }
+
+    static class E {
+        <Q,R,S> void e(){}
+    }
+    public void testMultipleTypeVariablesOnMethod() throws Exception {
+        Class<? extends E> clazz = E.class;
+        Method method = clazz.getDeclaredMethod("e");
+
+        TypeVariable<?>[] typeParameters = method.getTypeParameters();
+        assertEquals(3, typeParameters.length);
+        assertEquals("Q", typeParameters[0].getName());
+        assertEquals(method, typeParameters[0].getGenericDeclaration());
+
+        assertEquals("R", typeParameters[1].getName());
+        assertEquals(method, typeParameters[1].getGenericDeclaration());
+
+        assertEquals("S", typeParameters[2].getName());
+        assertEquals(method, typeParameters[2].getGenericDeclaration());
+    }
+
+    static class F {
+        <Q,R,S> F(){}
+    }
+    public void testMultipleTypeVariablesOnConstructor() throws Exception {
+        Class<? extends F> clazz = F.class;
+        Constructor<?> constructor = clazz.getDeclaredConstructor();
+
+        TypeVariable<?>[] typeParameters = constructor.getTypeParameters();
+        assertEquals(3, typeParameters.length);
+        assertEquals("Q", typeParameters[0].getName());
+        assertEquals(constructor, typeParameters[0].getGenericDeclaration());
+
+        assertEquals("R", typeParameters[1].getName());
+        assertEquals(constructor, typeParameters[1].getGenericDeclaration());
+
+        assertEquals("S", typeParameters[2].getName());
+        assertEquals(constructor, typeParameters[2].getGenericDeclaration());
+    }
+
+    static class G <T extends Number>{}
+
+    public void testSingleBound() throws Exception {
+        Class<? extends G> clazz = G.class;
+        TypeVariable[] typeParameters = clazz.getTypeParameters();
+        TypeVariable<Class> typeVariable = typeParameters[0];
+        Type[] bounds = typeVariable.getBounds();
+        assertLenghtOne(bounds);
+        assertEquals(Number.class, bounds[0]);
+    }
+
+    static class H <T extends Number & Serializable >{}
+    public void testMultipleBound() throws Exception {
+        Class<? extends H> clazz = H.class;
+        TypeVariable[] typeParameters = clazz.getTypeParameters();
+        TypeVariable<Class> typeVariable = typeParameters[0];
+        Type[] bounds = typeVariable.getBounds();
+        assertEquals(2, bounds.length);
+        assertEquals(Number.class, bounds[0]);
+        assertEquals(Serializable.class, bounds[1]);
+    }
+}