--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javap/T4777949.java	Wed Jul 29 13:26:26 2009 -0700
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+import java.io.*;
+import java.util.*;
+import javax.tools.*;
+import com.sun.tools.javap.*;
+
+/*
+ * @test
+ * @bug 4777949
+ * @summary Warn javap usage on package with simple name
+ */
+public class T4777949 {
+    public static void main(String... args) throws Exception {
+        new T4777949().run();
+    }
+
+    void run() throws Exception {
+        File javaFile = writeTestFile();
+        File classFile = compileTestFile(javaFile);
+
+        test(".", "p.q.r.Test", false);
+        test("p", "q.r.Test", true);
+        test("p/q", "r.Test", true);
+        test("p/q/r", "Test", true);
+        test(".", "p.q.r.Test.Inner", false);
+        test(".", "p.q.r.Test$Inner", false);
+        test("p", "q.r.Test.Inner", true);
+        test("p", "q.r.Test$Inner", true);
+
+        if (errors > 0)
+            throw new Exception(errors + " errors found");
+    }
+
+    void test(String classPath, String className, boolean expectWarnings) {
+        List<Diagnostic<? extends JavaFileObject>> diags =
+            javap(Arrays.asList("-classpath", classPath), Arrays.asList(className));
+        boolean foundWarnings = false;
+        for (Diagnostic<? extends JavaFileObject> d: diags) {
+            if (d.getKind() == Diagnostic.Kind.WARNING)
+                foundWarnings = true;
+        }
+    }
+
+
+    File writeTestFile() throws IOException {
+        File f = new File("Test.java");
+        PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
+        out.println("package p.q.r;");
+        out.println("class Test { class Inner { } }");
+        out.close();
+        return f;
+    }
+
+    File compileTestFile(File f) {
+        int rc = com.sun.tools.javac.Main.compile(new String[] { "-d", ".", 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");
+    }
+
+    List<Diagnostic<? extends JavaFileObject>> javap(List<String> args, List<String> classes) {
+        DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
+        StringWriter sw = new StringWriter();
+        PrintWriter pw = new PrintWriter(sw);
+        JavaFileManager fm = JavapFileManager.create(dc, pw);
+        JavapTask t = new JavapTask(pw, fm, dc, args, classes);
+        boolean ok = t.run();
+
+        List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
+
+        if (!ok)
+            error("javap failed unexpectedly");
+
+        System.err.println("args=" + args + " classes=" + classes + "\n"
+                           + diags + "\n"
+                           + sw);
+
+        return diags;
+    }
+
+    void error(String msg) {
+        System.err.println("error: " + msg);
+        errors++;
+    }
+
+    int errors;
+}
+