8028616: Htmleditorkit parser doesn't handle leading slash (/)

Reviewed-by: alexp, alexsch

src/share/classes/javax/swing/text/html/parser/Parser.java

 /*
- * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2014, 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
@@ -2089,6 +2089,13 @@ class Parser implements DTDConstants {
                         // null end tag.
                         endTag(false);
                         continue;
+                    } else if (textpos == 0) {
+                        if (!legalElementContext(dtd.pcdata)) {
+                            error("unexpected.pcdata");
+                        }
+                        if (last.breaksFlow()) {
+                            space = false;
+                        }
                     }
                     break;
 

test/javax/swing/text/html/parser/Parser/8028616/bug8028616.java

+/*
+ * Copyright (c) 2014, 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 8028616
+ * @summary Tests correct parsing of the text with leading slash (/)
+ * @author Dmitry Markov
+ */
+
+import javax.swing.text.html.HTMLDocument;
+import javax.swing.text.html.HTMLEditorKit;
+import java.io.StringReader;
+
+public class bug8028616 {
+    private static final String text = "/ at start is bad";
+    private static Object lock = new Object();
+    private static boolean isCallbackInvoked = false;
+    private static Exception exception = null;
+
+    public static void main(String[] args) throws Exception {
+        ParserCB cb = new ParserCB();
+        HTMLEditorKit htmlKit = new HTMLEditorKit();
+        HTMLDocument htmlDoc = (HTMLDocument) htmlKit.createDefaultDocument();
+
+        htmlDoc.getParser().parse(new StringReader(text), cb, true);
+
+        synchronized (lock) {
+            if (!isCallbackInvoked) {
+                lock.wait(5000);
+            }
+        }
+
+        if (!isCallbackInvoked) {
+            throw new RuntimeException("Test Failed: ParserCallback.handleText() is not invoked for text - " + text);
+        }
+
+        if (exception != null) {
+            throw exception;
+        }
+    }
+
+    private static class ParserCB extends HTMLEditorKit.ParserCallback {
+        @Override
+        public void handleText(char[] data, int pos) {
+            synchronized (lock) {
+                if (!text.equals(new String(data)) || pos != 0) {
+                    exception = new RuntimeException(
+                        "Test Failed: the data passed to ParserCallback.handleText() does not meet the expectation");
+                }
+                isCallbackInvoked = true;
+                lock.notifyAll();
+            }
+        }
+    }
+}
+