Add test showing that the parser can now be properly extended, closes s…

…irthias#28

src/main/java/org/pegdown/Parser.java

@@ -1243,10 +1243,6 @@ public String popAsString() {
         return (String) pop();
     }
 
-    public TextNode popAsTextNode() {
-        return (TextNode) pop();
-    }
-
     public boolean ext(int extension) {
         return (options & extension) > 0;
     }

src/test/java/org/pegdown/CustomParserTest.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2010-2011 Mathias Doenitz
+ *
+ * Based on peg-markdown (C) 2008-2010 John MacFarlane
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.pegdown;
+
+import org.parboiled.Parboiled;
+import org.testng.annotations.Test;
+
+import static org.pegdown.Extensions.*;
+
+public class CustomParserTest extends AbstractTest {
+
+    public static class MyParser extends Parser {
+        public MyParser() {
+            super(Extensions.ALL);
+        }
+    }
+
+    private PegDownProcessor processor = new PegDownProcessor(Parboiled.createParser(MyParser.class));
+
+    @Override
+    public PegDownProcessor getProcessor() {
+        return processor;
+    }
+
+    @Test
+    public void testWithCustomParser() {
+        test("pegdown/Abbreviations");
+        test("pegdown/AttributeWithUnderScore");
+        test("pegdown/Autolinks");
+        test("pegdown/Bug_in_0.8.5.1");
+        test("pegdown/Bug_in_0.8.5.4");
+        test("pegdown/Bug_in_1.0.0");
+        test("pegdown/GFM_Fenced_Code_Blocks");
+        test("pegdown/Linebreaks");
+        test("pegdown/Parens_in_URL");
+        test("pegdown/Quoted Blockquote");
+        test("pegdown/Smartypants");
+        test("pegdown/Tables");
+        test("pegdown/Wikilinks");
+    }
+}

src/test/java/org/pegdown/CustomPegDownTest.java → src/test/java/org/pegdown/PegDownTest.java

@@ -27,7 +27,7 @@
 import org.testng.annotations.Test;
 import static org.pegdown.Extensions.*;
 
-public class CustomPegDownTest extends AbstractTest {
+public class PegDownTest extends AbstractTest {
 
     /*private final PegDownProcessor processor = new PegDownProcessor(
             Parboiled.createParser(Parser.class, Extensions.ALL,