Added test to DelimitedLineTokenizer based on StackOverflow Question

A question was asked on StackOverflow
(http://stackoverflow.com/questions/25914945/spring-batch-delimitedlinetokenizer-with-line-breaks-newline-in-csv)
in which a row wasn't being parsed as expected.  We didn't have a test
for that specific scenario so this commit adds one.

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/file/transform/DelimitedLineTokenizerTests.java

@@ -16,12 +16,12 @@
 
 package org.springframework.batch.item.file.transform;
 
+import org.junit.Test;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
-import org.junit.Test;
-
 
 public class DelimitedLineTokenizerTests {
 
@@ -365,4 +365,12 @@ public class DelimitedLineTokenizerTests {
 		assertEquals("c", line.readString("bar"));
 	}
 
+	@Test
+	public void testTokenizeOverMultipleLines() {
+		tokenizer = new DelimitedLineTokenizer(";");
+		FieldSet line = tokenizer.tokenize("value1;\"value2\nvalue2cont\";value3;value4");
+		assertEquals(4, line.getFieldCount());
+		assertEquals("value2\nvalue2cont", line.readString(1));
+	}
+
 }