diff -r a344cff45d06 -r d3d578d22cc7 langtools/test/tools/javac/tree/ClassTreeTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/tree/ClassTreeTest.java	Fri Aug 27 17:21:17 2010 -0700
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2010, 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.
+ */
+
+/*
+ * @test
+ * @bug 6570730
+ * @summary com.sun.source.tree.ModifiersTree.getFlags() should return class type
+ */
+
+import java.io.*;
+import java.util.*;
+import javax.tools.*;
+import com.sun.source.tree.*;
+import com.sun.source.util.*;
+import com.sun.tools.javac.api.*;
+
+public class ClassTreeTest {
+    public static void main(String... args) throws Exception {
+        new ClassTreeTest().run();
+    }
+
+    void run() throws Exception {
+        JavacTool tool = JavacTool.create();
+        StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
+        List<String> opts = Collections.<String>emptyList();
+        File testSrc = new File(System.getProperty("test.src"));
+        File thisFile = new File(testSrc, ClassTreeTest.class.getSimpleName() + ".java");
+        Iterable<? extends JavaFileObject> fos = fm.getJavaFileObjects(thisFile);
+        JavacTask task = tool.getTask(null, fm, null, opts, null, fos);
+        for (CompilationUnitTree cu: task.parse()) {
+            check(cu, "CLASS", Tree.Kind.CLASS);
+            check(cu, "INTERFACE", Tree.Kind.INTERFACE);
+            check(cu, "ENUM", Tree.Kind.ENUM);
+            check(cu, "ANNOTATION_TYPE", Tree.Kind.ANNOTATION_TYPE);
+        }
+
+        int expected = 4;
+        if (checks != expected)
+            error("Unexpected number of checks performed; expected: " + expected + ", found: " + checks);
+
+        if (errors > 0)
+            throw new Exception(errors + " errors found");
+    }
+
+    void check(CompilationUnitTree cu, String name, Tree.Kind k) {
+        checks++;
+
+        TreeScanner<ClassTree,String> s = new TreeScanner<ClassTree,String>() {
+            @Override
+            public ClassTree visitClass(ClassTree c, String name) {
+                if (c.getSimpleName().toString().equals(name))
+                    return c;
+                else
+                    return super.visitClass(c, name);
+            }
+
+            @Override
+            public ClassTree reduce(ClassTree t1, ClassTree t2) {
+                return (t1 != null ? t1 : t2);
+            }
+        };
+
+        ClassTree c = s.scan(cu, name);
+        if (c == null)
+            error("Can't find node named " + name);
+        else if (c.getKind() != k)
+            error("Unexpected kind for node named " + name + ": expected: " + k + ", found: " + c.getKind());
+    }
+
+    void error(String msg) {
+        System.err.println("Error: " + msg);
+        errors++;
+    }
+
+    int checks;
+    int errors;
+
+    class CLASS { }
+    interface INTERFACE { }
+    enum ENUM { }
+    @interface ANNOTATION_TYPE { }
+}