Add tests for CSVFormat.equals for null quotes. Closes apache#12.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1747331 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/test/java/org/apache/commons/csv/CSVFormatTest.java

@@ -171,6 +171,22 @@ public void testEqualsQuoteChar() {
         assertNotEquals(right, left);
     }
 
+    @Test
+    public void testEqualsLeftNoQuoteRightQuote() {
+    	final CSVFormat left = CSVFormat.newFormat(',').withQuote(null);
+    	final CSVFormat right = left.withQuote('#');
+    	
+    	assertNotEquals(left, right);
+    }
+
+    @Test
+    public void testEqualsNoQuotes() {
+    	final CSVFormat left = CSVFormat.newFormat(',').withQuote(null);
+    	final CSVFormat right = left.withQuote(null);
+
+    	assertEquals(left, right);
+    }
+
     @Test
     public void testEqualsQuotePolicy() {
         final CSVFormat right = CSVFormat.newFormat('\'')