--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/jdk/javadoc/doclet/testGroupName/TestGroupName.java	Wed Oct 25 18:12:15 2017 -0700
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2017, 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 8190003
+ * @summary Special characters in group names should be escaped
+ * @library /tools/lib ../lib
+ * @modules jdk.javadoc/jdk.javadoc.internal.tool
+ * @build toolbox.ToolBox JavadocTester
+ * @run main TestGroupName
+ */
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import toolbox.*;
+
+public class TestGroupName extends JavadocTester {
+
+    public final ToolBox tb;
+    public static void main(String... args) throws Exception {
+        TestGroupName tester = new TestGroupName();
+        tester.runTests(m -> new Object[] { Paths.get(m.getName()) });
+    }
+
+    public TestGroupName() {
+        tb = new ToolBox();
+    }
+
+    @Test
+    public void testPackageGroups(Path base) throws IOException {
+        Path src = base.resolve("src");
+        tb.writeJavaFiles(src,
+                "package p1; public class C1 { }",
+                "package p2; public class C2 { }",
+                "package p3; public class C3 { }");
+
+        javadoc("-d", base.resolve("out").toString(),
+                "-sourcepath", src.toString(),
+                "-group", "abc < & > def", "p1",
+                "p1", "p2", "p3");
+        checkExit(Exit.OK);
+
+        checkOutput("overview-summary.html", true,
+                "<span><a href=\"javascript:showGroups(1);\">abc &lt; &amp; &gt; def</a></span>");
+
+        checkOutput("overview-summary.html", false,
+                "abc < & > def");
+    }
+
+    @Test
+    public void testModuleGroups(Path base) throws IOException {
+        Path src = base.resolve("src");
+        tb.writeJavaFiles(src.resolve("ma"),
+                "module ma { exports pa1; }",
+                "package pa1; public class CA1 { }",
+                "package pa2; public class CA2 { }",
+                "package pa3; public class CA3 { }");
+
+        tb.writeJavaFiles(src.resolve("mb"),
+                "module mb { exports pb1; }",
+                "package pb1; public class CB1 { }",
+                "package pb2; public class CB2 { }",
+                "package pb3; public class CB3 { }");
+
+        tb.writeJavaFiles(src.resolve("mc"),
+                "module mc { exports pc1; }",
+                "package pc1; public class CC1 { }",
+                "package pc2; public class CC2 { }",
+                "package pc3; public class CC3 { }");
+
+        javadoc("-d", base.resolve("out").toString(),
+                "--module-source-path", src.toString(),
+                "-group", "abc < & > def", "ma",
+                "--module", "ma,mb,mc");
+
+        checkExit(Exit.OK);
+
+        checkOutput("overview-summary.html", true,
+                "<span><a href=\"javascript:showGroups(1);\">abc &lt; &amp; &gt; def</a></span>");
+
+        checkOutput("overview-summary.html", false,
+                "abc < & > def");
+    }
+}
+