Revert "Revert "reflection: Add new 1.8 AnnotatedElement methods and tests""
This reverts commit 28a2a186537db9fc5a8492e36d9603b48854c04f.
Runtest failure has been fixed in I28c3707e38c1f69ea9d3660f68136f688122ac4e
Change-Id: I1749dc89b790d44b5e40bc8b20aa62885bda792b
diff --git a/test/048-reflect-v8/src/AnnotationTest.java b/test/048-reflect-v8/src/AnnotationTest.java
new file mode 100644
index 0000000..75e6845
--- /dev/null
+++ b/test/048-reflect-v8/src/AnnotationTest.java
@@ -0,0 +1,291 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+
+public class AnnotationTest extends AnnotationTestHelpers {
+ public static void testAnnotationsByType() {
+ System.out.println("==============================");
+ System.out.println("Class annotations by type:");
+ System.out.println("==============================");
+
+ // Print associated annotations:
+ // * A is directly present or repeatably present on an element E;
+ // * No annotation of A is directly/repeatably present on an element
+ // AND E is a class AND A's type is inheritable, AND A is associated with its superclass.
+ // (Looks through subtypes recursively only if there's 0 result at each level,
+ // and the annotation is @Inheritable).
+ printAnnotationsByType(Calendar.class, SingleUser.class);
+ printAnnotationsByType(Calendars.class, SingleUser.class);
+
+ printAnnotationsByType(Calendar.class, User.class);
+ printAnnotationsByType(Calendars.class, User.class);
+
+ printAnnotationsByType(Calendar.class, User2.class); // Enforce ordering 'z,x,y'
+ printAnnotationsByType(Calendars.class, User2.class);
+
+ // NOTE:
+ // Order of outer-most annotations Calendars[C,C],S vs C,Calendars[C,C] is unspecified.
+ // In particular it's the order of #getDeclaredAnnotations which is completely unmentioned.
+ // The only requirement for #getAnnotationsByType is to have same ordering as
+ // #getDeclaredAnnotations.
+ // (Calendars[] itself has to maintain value() order).
+ printAnnotationsByType(Calendar.class, UserComplex.class); // Cs(C,C),C collapses into C,C,C.
+ printAnnotationsByType(Calendars.class, UserComplex.class);
+
+ printAnnotationsByType(Calendar.class, UserSub.class);
+ printAnnotationsByType(Calendars.class, UserSub.class);
+
+ printAnnotationsByType(Calendar.class, UserSub2.class);
+ // The directly present "Calendar" annotation masks all the repeatably present
+ // "Calendar" annotations coming from User.
+ printAnnotationsByType(Calendars.class, UserSub2.class);
+ // Edge case: UserSub2 doesn't directly have a Calendars annotation,
+ // so it doesn't mask the "User" Calendars annotation.
+
+ System.out.println("-----------------------------");
+ System.out.println("-----------------------------");
+
+ }
+
+ public static void testDeclaredAnnotation() {
+ System.out.println("==============================");
+ System.out.println("Class declared annotation:");
+ System.out.println("==============================");
+
+ // Print directly present annotations:
+ //
+ // The element E has an annotation_item for it (accessible through an
+ // annotations_directory_item) corresponding to an annotation A,
+ // and A's type_idx must match that on the encoded_annotation (from the annotation_item).
+ // (Does not look through the subtypes recursively)
+ printDeclaredAnnotation(SingleUser.class, Calendar.class);
+ printDeclaredAnnotation(SingleUser.class, Calendars.class);
+
+ printDeclaredAnnotation(User.class, Calendar.class);
+ printDeclaredAnnotation(User.class, Calendars.class);
+
+ printDeclaredAnnotation(UserComplex.class, Calendar.class);
+ printDeclaredAnnotation(UserComplex.class, Calendars.class);
+
+ printDeclaredAnnotation(UserSub.class, Calendar.class);
+ printDeclaredAnnotation(UserSub.class, Calendars.class);
+
+ printDeclaredAnnotation(UserSub2.class, Calendar.class);
+ printDeclaredAnnotation(UserSub2.class, Calendars.class);
+
+ System.out.println("-----------------------------");
+ System.out.println("-----------------------------");
+ }
+
+ public static void testDeclaredAnnotationsByType() {
+ System.out.println("==============================");
+ System.out.println("Declared class annotations by type:");
+ System.out.println("==============================");
+
+ // A is directly present or repeatably present on an element E;
+ // -- (does not do any recursion for classes regardless of @Inherited)
+ printDeclaredAnnotationsByType(Calendar.class, SingleUser.class);
+ printDeclaredAnnotationsByType(Calendars.class, SingleUser.class);
+
+ printDeclaredAnnotationsByType(Calendar.class, User.class);
+ printDeclaredAnnotationsByType(Calendars.class, User.class);
+
+ printDeclaredAnnotationsByType(Calendar.class, User2.class); // Enforce ordering 'z,x,y'
+ printDeclaredAnnotationsByType(Calendars.class, User2.class);
+
+ printDeclaredAnnotationsByType(Calendar.class, UserComplex.class);
+ printDeclaredAnnotationsByType(Calendars.class, UserComplex.class);
+
+ printDeclaredAnnotationsByType(Calendar.class, UserSub.class);
+ printDeclaredAnnotationsByType(Calendars.class, UserSub.class);
+
+ printDeclaredAnnotationsByType(Calendar.class, UserSub2.class);
+ // The directly present "Calendar" annotation masks all the repeatably present "Calendar"
+ // annotations coming from User.
+ printDeclaredAnnotationsByType(Calendars.class, UserSub2.class);
+ // Edge case: UserSub2 doesn't directly have a Calendars annotation,
+ // so it doesn't mask the "User" Calendars annotation.
+
+ System.out.println("-----------------------------");
+ System.out.println("-----------------------------");
+ }
+
+ // Print the annotation "annotationClass" that is associated with an element denoted by
+ // "annotationUseClass."
+ private static <A extends Annotation> void printAnnotationsByType(Class<A> annotationClass,
+ Class<?> annotationUseClass) {
+ A[] annotationsByType = annotationUseClass.getAnnotationsByType(annotationClass);
+
+ String msg = "Annotations by type, defined by class "
+ + annotationUseClass.getName() + " with annotation " + annotationClass.getName() + ": "
+ + asString(annotationsByType);
+
+
+ System.out.println(msg);
+ }
+
+ private static <A extends Annotation> void printDeclaredAnnotation(Class<?> annotationUseClass,
+ Class<A> annotationDefClass) {
+ A anno = annotationUseClass.getDeclaredAnnotation(annotationDefClass);
+
+ String msg = asString(anno);
+
+ System.out.println("Declared annotations by class " + annotationUseClass
+ + ", annotation " + annotationDefClass + ": " + msg);
+ }
+
+ // Print the annotation "annotationClass" that is directly/indirectly present with an element
+ // denoted by "annotationUseClass."
+ private static <A extends Annotation> void printDeclaredAnnotationsByType(
+ Class<A> annotationClass, Class<?> annotationUseClass) {
+ A[] annotationsByType = annotationUseClass.getDeclaredAnnotationsByType(annotationClass);
+
+ String msg = "Declared annnotations by type, defined by class " + annotationUseClass.getName()
+ + " with annotation " + annotationClass.getName() + ": "
+ + asString(annotationsByType);
+
+ System.out.println(msg);
+ }
+
+ public static void testMethodAnnotationsByType() {
+ System.out.println("==============================");
+ System.out.println("Method annotations by type:");
+ System.out.println("==============================");
+
+ // Print associated annotations:
+ // * A is directly present or repeatably present on an element E;
+ // * No annotation of A is directly/repeatably present on an element AND E is a class
+ // AND A's type is inheritable, AND A is associated with its superclass.
+ // (Looks through subtypes recursively only if there's 0 result at each level,
+ // and the annotation is @Inheritable).
+ printMethodAnnotationsByType(Calendar.class, "singleUser", AnnotationTestFixture.class);
+ printMethodAnnotationsByType(Calendars.class, "singleUser", AnnotationTestFixture.class);
+
+ printMethodAnnotationsByType(Calendar.class, "user", AnnotationTestFixture.class);
+ printMethodAnnotationsByType(Calendars.class, "user", AnnotationTestFixture.class);
+
+ printMethodAnnotationsByType(Calendar.class, "user2", AnnotationTestFixture.class);
+ printMethodAnnotationsByType(Calendars.class, "user2", AnnotationTestFixture.class);
+
+ printMethodAnnotationsByType(Calendar.class, "userComplex", AnnotationTestFixture.class);
+ printMethodAnnotationsByType(Calendars.class, "userComplex", AnnotationTestFixture.class);
+
+ System.out.println("-----------------------------");
+ System.out.println("-----------------------------");
+ }
+
+ // Print the annotation "annotationClass" that is associated with an element denoted by
+ // "annotationUseClass" method methodName.
+ private static <A extends Annotation> void printMethodAnnotationsByType(Class<A> annotationClass,
+ String methodName, Class<?> annotationUseClass) {
+ Method m = null;
+ try {
+ m = annotationUseClass.getDeclaredMethod(methodName);
+ } catch (Throwable t) {
+ throw new AssertionError(t);
+ }
+ A[] annotationsByType = m.getAnnotationsByType(annotationClass);
+
+ String msg = "Annotations by type, defined by method " + m.getName() + " with annotation " +
+ annotationClass.getName() + ": " +
+ asString(annotationsByType);
+
+ System.out.println(msg);
+ }
+
+ public static void testMethodDeclaredAnnotations() {
+ System.out.println("==============================");
+ System.out.println("Declared method annotations:");
+ System.out.println("==============================");
+
+ printMethodDeclaredAnnotation(Calendar.class, "singleUser", AnnotationTestFixture.class);
+ printMethodDeclaredAnnotation(Calendars.class, "singleUser", AnnotationTestFixture.class);
+
+ printMethodDeclaredAnnotation(Calendar.class, "user", AnnotationTestFixture.class);
+ printMethodDeclaredAnnotation(Calendars.class, "user", AnnotationTestFixture.class);
+
+ printMethodDeclaredAnnotation(Calendar.class, "user2", AnnotationTestFixture.class);
+ printMethodDeclaredAnnotation(Calendars.class, "user2", AnnotationTestFixture.class);
+
+ printMethodDeclaredAnnotation(Calendar.class, "userComplex", AnnotationTestFixture.class);
+ printMethodDeclaredAnnotation(Calendars.class, "userComplex", AnnotationTestFixture.class);
+
+ System.out.println("-----------------------------");
+ System.out.println("-----------------------------");
+ }
+
+ // Print the annotation "annotationClass" that is associated with an element denoted by
+ // methodName in annotationUseClass.
+ private static <A extends Annotation> void printMethodDeclaredAnnotation(Class<A> annotationClass,
+ String methodName, Class<?> annotationUseClass) {
+ Method m = null;
+ try {
+ m = annotationUseClass.getDeclaredMethod(methodName);
+ } catch (Throwable t) {
+ throw new AssertionError(t);
+ }
+ Annotation annotationsByType = m.getDeclaredAnnotation(annotationClass);
+
+ String msg = "Annotations declared by method " + m.getName() + " with annotation "
+ + annotationClass.getName() + ": "
+ + asString(annotationsByType);
+
+ System.out.println(msg);
+ }
+
+ public static void testMethodDeclaredAnnotationsByType() {
+ System.out.println("==============================");
+ System.out.println("Declared method annotations by type:");
+ System.out.println("==============================");
+
+ printMethodDeclaredAnnotationByType(Calendar.class, "singleUser", AnnotationTestFixture.class);
+ printMethodDeclaredAnnotationByType(Calendars.class, "singleUser", AnnotationTestFixture.class);
+
+ printMethodDeclaredAnnotationByType(Calendar.class, "user", AnnotationTestFixture.class);
+ printMethodDeclaredAnnotationByType(Calendars.class, "user", AnnotationTestFixture.class);
+
+ printMethodDeclaredAnnotationByType(Calendar.class, "user2", AnnotationTestFixture.class);
+ printMethodDeclaredAnnotationByType(Calendars.class, "user2", AnnotationTestFixture.class);
+
+ printMethodDeclaredAnnotationByType(Calendar.class, "userComplex", AnnotationTestFixture.class);
+ printMethodDeclaredAnnotationByType(Calendars.class, "userComplex",
+ AnnotationTestFixture.class);
+
+ System.out.println("-----------------------------");
+ System.out.println("-----------------------------");
+ }
+
+ // Print the annotation "annotationClass" that is associated with an element denoted by
+ // methodName in annotationUseClass.
+ private static <A extends Annotation> void printMethodDeclaredAnnotationByType(
+ Class<A> annotationClass, String methodName, Class<?> annotationUseClass) {
+ Method m = null;
+ try {
+ m = annotationUseClass.getDeclaredMethod(methodName);
+ } catch (Throwable t) {
+ throw new AssertionError(t);
+ }
+ A[] annotationsByType = m.getDeclaredAnnotationsByType(annotationClass);
+
+ String msg = "Annotations by type, defined by method " + m.getName() + " with annotation "
+ + annotationClass.getName() + ": "
+ + asString(annotationsByType);
+
+ System.out.println(msg);
+ }
+}