--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/doclint/CoverageExtras.java	Mon Jan 21 10:00:46 2013 -0800
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 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.
+ */
+
+/**
+ * @test
+ * @bug 8006263
+ * @summary Supplementary test cases needed for doclint
+ */
+
+import com.sun.tools.doclint.Checker;
+import com.sun.tools.doclint.Entity;
+import com.sun.tools.doclint.HtmlTag;
+import com.sun.tools.doclint.Messages;
+import java.util.Objects;
+
+public class CoverageExtras {
+    public static void main(String... args) {
+        new CoverageExtras().run();
+    }
+
+    void run() {
+        check(HtmlTag.A, HtmlTag.valueOf("A"), HtmlTag.values());
+        check(HtmlTag.Attr.ABBR, HtmlTag.Attr.valueOf("ABBR"), HtmlTag.Attr.values());
+        check(HtmlTag.AttrKind.INVALID, HtmlTag.AttrKind.valueOf("INVALID"), HtmlTag.AttrKind.values());
+        check(HtmlTag.BlockType.BLOCK, HtmlTag.BlockType.valueOf("BLOCK"), HtmlTag.BlockType.values());
+        check(HtmlTag.EndKind.NONE, HtmlTag.EndKind.valueOf("NONE"), HtmlTag.EndKind.values());
+        check(HtmlTag.Flag.EXPECT_CONTENT, HtmlTag.Flag.valueOf("EXPECT_CONTENT"), HtmlTag.Flag.values());
+
+        check(Checker.Flag.TABLE_HAS_CAPTION, Checker.Flag.valueOf("TABLE_HAS_CAPTION"), Checker.Flag.values());
+
+        check(Entity.nbsp, Entity.valueOf("nbsp"), Entity.values());
+
+        check(Messages.Group.ACCESSIBILITY, Messages.Group.valueOf("ACCESSIBILITY"), Messages.Group.values());
+    }
+
+    <T extends Enum<T>> void check(T expect, T value, T[] values) {
+        if (!Objects.equals(expect, value)) {
+            error("Mismatch: '" + expect + "', '" + value + "'");
+        }
+        if (!Objects.equals(expect, values[0])) {
+            error("Mismatch: '" + expect + "', '" + values[0] + "'");
+        }
+    }
+
+    void error(String msg) {
+        System.err.println("Error: " + msg);
+        errors++;
+    }
+
+    int errors;
+}