--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javap/typeAnnotations/Wildcards.java Wed Jan 23 13:27:24 2013 -0800
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.io.*;
+import com.sun.tools.classfile.*;
+
+/*
+ * @test Wildcards
+ * @bug 6843077
+ * @summary test that annotations target wildcards get emitted to classfile
+ */
+public class Wildcards {
+ public static void main(String[] args) throws Exception {
+ new Wildcards().run();
+ }
+
+ public void run() throws Exception {
+ File javaFile = writeTestFile();
+ File classFile = compileTestFile(javaFile);
+
+ ClassFile cf = ClassFile.read(classFile);
+ test(cf);
+ for (Field f : cf.fields) {
+ test(cf, f);
+ }
+ for (Method m: cf.methods) {
+ test(cf, m);
+ }
+
+ countAnnotations();
+
+ if (errors > 0)
+ throw new Exception(errors + " errors found");
+ System.out.println("PASSED");
+ }
+
+ void test(ClassFile cf) {
+ test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
+ test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
+ }
+
+ void test(ClassFile cf, Method m) {
+ test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
+ test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
+ }
+
+ void test(ClassFile cf, Field m) {
+ test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
+ test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
+ }
+
+ // test the result of Attributes.getIndex according to expectations
+ // encoded in the method's name
+ void test(ClassFile cf, String name, boolean visible) {
+ int index = cf.attributes.getIndex(cf.constant_pool, name);
+ if (index != -1) {
+ Attribute attr = cf.attributes.get(index);
+ assert attr instanceof RuntimeTypeAnnotations_attribute;
+ RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
+ all += tAttr.annotations.length;
+ if (visible)
+ visibles += tAttr.annotations.length;
+ else
+ invisibles += tAttr.annotations.length;
+ }
+ }
+
+ // test the result of Attributes.getIndex according to expectations
+ // encoded in the method's name
+ void test(ClassFile cf, Method m, String name, boolean visible) {
+ int index = m.attributes.getIndex(cf.constant_pool, name);
+ if (index != -1) {
+ Attribute attr = m.attributes.get(index);
+ assert attr instanceof RuntimeTypeAnnotations_attribute;
+ RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
+ all += tAttr.annotations.length;
+ if (visible)
+ visibles += tAttr.annotations.length;
+ else
+ invisibles += tAttr.annotations.length;
+ }
+ }
+
+ // test the result of Attributes.getIndex according to expectations
+ // encoded in the method's name
+ void test(ClassFile cf, Field m, String name, boolean visible) {
+ int index = m.attributes.getIndex(cf.constant_pool, name);
+ if (index != -1) {
+ Attribute attr = m.attributes.get(index);
+ assert attr instanceof RuntimeTypeAnnotations_attribute;
+ RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
+ all += tAttr.annotations.length;
+ if (visible)
+ visibles += tAttr.annotations.length;
+ else
+ invisibles += tAttr.annotations.length;
+ }
+ }
+
+ File writeTestFile() throws IOException {
+ File f = new File("Test.java");
+ PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
+ out.println("import java.lang.annotation.*;");
+ out.println("import java.util.*;");
+ out.println("class Test { ");
+ out.println(" @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})");
+ out.println(" @interface A { }");
+
+ out.println(" List<? extends @A Number> f;");
+
+ out.println(" List<? extends @A Object> test(List<? extends @A Number> p) {");
+ out.println(" List<? extends @A Object> l;"); // not counted... gets optimized away
+ out.println(" return null;");
+ out.println(" }");
+ out.println("}");
+
+ out.close();
+ return f;
+ }
+
+ File compileTestFile(File f) {
+ int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.8", "-g", f.getPath() });
+ if (rc != 0)
+ throw new Error("compilation failed. rc=" + rc);
+ String path = f.getPath();
+ return new File(path.substring(0, path.length() - 5) + ".class");
+ }
+
+ void countAnnotations() {
+ int expected_visibles = 0, expected_invisibles = 3;
+ int expected_all = expected_visibles + expected_invisibles;
+
+ if (expected_all != all) {
+ errors++;
+ System.err.println("expected " + expected_all
+ + " annotations but found " + all);
+ }
+
+ if (expected_visibles != visibles) {
+ errors++;
+ System.err.println("expected " + expected_visibles
+ + " visibles annotations but found " + visibles);
+ }
+
+ if (expected_invisibles != invisibles) {
+ errors++;
+ System.err.println("expected " + expected_invisibles
+ + " invisibles annotations but found " + invisibles);
+ }
+
+ }
+
+ int errors;
+ int all;
+ int visibles;
+ int invisibles;
+}