diff -r 000000000000 -r 959103a6100f test/tools/javadoc/api/basic/GetSourceVersionsTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javadoc/api/basic/GetSourceVersionsTest.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2012, 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 6493690
+ * @summary javadoc should have a javax.tools.Tool service provider
+ * @build APITest
+ * @run main GetSourceVersionsTest
+ */
+
+import java.util.EnumSet;
+import java.util.Set;
+import javax.lang.model.SourceVersion;
+import javax.tools.DocumentationTool;
+import javax.tools.ToolProvider;
+
+/**
+ * Tests for DocumentationTool.getSourceVersions method.
+ */
+public class GetSourceVersionsTest extends APITest {
+    public static void main(String... args) throws Exception {
+        new GetSourceVersionsTest().run();
+    }
+
+    /**
+     * Verify getSourceVersions.
+     */
+    @Test
+    public void testRun() throws Exception {
+        DocumentationTool tool = ToolProvider.getSystemDocumentationTool();
+        Set<SourceVersion> found = tool.getSourceVersions();
+        Set<SourceVersion> expect = EnumSet.range(SourceVersion.RELEASE_3, SourceVersion.latest());
+        if (!expect.equals(found)) {
+            System.err.println("expect: " + expect);
+            System.err.println(" found: " + expect);
+            error("unexpected versions");
+        }
+    }
+}
+