--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/javadoc/doclet/testSummaryTag/TestSummaryTag.java	Tue Aug 15 13:16:32 2017 -0700
@@ -0,0 +1,123 @@
+/*
+ * 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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      8173425
+ * @summary  tests for the summary tag behavior
+ * @library  ../lib
+ * @modules jdk.javadoc/jdk.javadoc.internal.tool
+ * @build    JavadocTester
+ * @run main TestSummaryTag
+ */
+
+public class TestSummaryTag extends JavadocTester {
+
+    public static void main(String... args) throws Exception {
+        TestSummaryTag tester = new TestSummaryTag();
+        tester.runTests();
+    }
+
+    @Test
+    void test1() {
+        javadoc("-d", "out1",
+                "-sourcepath", testSrc,
+                "p1");
+        checkExit(Exit.OK);
+
+        checkOutput("index-all.html", true,
+            "<dl>\n"
+            + "<dt><span class=\"memberNameLink\"><a href=\"p1/A.html#m--\">m()"
+            + "</a></span> - Method in class p1.<a href=\"p1/A.html\" title=\"class in p1\">A</a></dt>\n"
+            + "<dd>\n"
+            + "<div class=\"block\">First sentence</div>\n"
+            + "</dd>\n"
+            + "<dt><span class=\"memberNameLink\"><a href=\"p1/B.html#m--\">m()"
+            + "</a></span> - Method in class p1.<a href=\"p1/B.html\" title=\"class in p1\">B</a></dt>\n"
+            + "<dd>\n"
+            + "<div class=\"block\">First sentence</div>\n"
+            + "</dd>\n"
+            + "<dt><span class=\"memberNameLink\"><a href=\"p1/A.html#m1--\">m1()"
+            + "</a></span> - Method in class p1.<a href=\"p1/A.html\" title=\"class in p1\">A</a></dt>\n"
+            + "<dd>\n"
+            + "<div class=\"block\"> First sentence </div>\n"
+            + "</dd>\n"
+            + "<dt><span class=\"memberNameLink\"><a href=\"p1/A.html#m2--\">m2()"
+            + "</a></span> - Method in class p1.<a href=\"p1/A.html\" title=\"class in p1\">A</a></dt>\n"
+            + "<dd>\n"
+            + "<div class=\"block\">Some html &lt;foo&gt; &nbsp; codes</div>\n"
+            + "</dd>\n"
+            + "<dt><span class=\"memberNameLink\"><a href=\"p1/A.html#m3--\">m3()"
+            + "</a></span> - Method in class p1.<a href=\"p1/A.html\" title=\"class in p1\">A</a></dt>\n"
+            + "<dd>\n"
+            + "<div class=\"block\">First sentence </div>\n"
+            + "</dd>\n"
+            + "<dt><span class=\"memberNameLink\"><a href=\"p1/A.html#m4--\">m4()"
+            + "</a></span> - Method in class p1.<a href=\"p1/A.html\" title=\"class in p1\">A</a></dt>\n"
+            + "<dd>\n"
+            + "<div class=\"block\">First sentence i.e. the first sentence</div>\n"
+            + "</dd>\n"
+            + "</dl>\n",
+            "<div class=\"block\">The first... line</div>\n"
+        );
+
+        // make sure the second @summary's content is displayed correctly
+        checkOutput("p1/A.html", true,
+             "<li class=\"blockList\">\n"
+             + "<h4>m3</h4>\n"
+             + "<pre>public&nbsp;void&nbsp;m3&#8203;()</pre>\n"
+             + "<div class=\"block\">First sentence  some text maybe second sentence.</div>\n"
+             + "</li>\n"
+        );
+
+        checkOutput("p1/package-summary.html", true,
+                "<div class=\"block\">The first... line second from ...</div>");
+    }
+    @Test
+    void test2() {
+        javadoc("-d", "out2",
+                "-sourcepath", testSrc,
+                "p2");
+        checkExit(Exit.OK);
+
+        checkOutput(Output.OUT, true, "package.html:5: warning: invalid use of @summary");
+
+        checkOutput("index-all.html", true, "<div class=\"block\">foo bar</div>\n");
+
+        checkOutput("p2/package-summary.html", true, "<div class=\"block\">foo bar baz.</div>\n");
+    }
+
+    @Test
+    void test3() {
+        javadoc("-d", "out3",
+                "-sourcepath", testSrc,
+                "-overview", testSrc("p3/overview.html"),
+                "p3");
+        checkExit(Exit.OK);
+
+        checkOutput("overview-summary.html", true,
+                "<div class=\"block\">The first... line second from ...</div>");
+    }
+}