[CSV-96] CSVRecord does not verify that the length of the header mapping matches the number of values.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1462110 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/main/java/org/apache/commons/csv/CSVRecord.java

@@ -82,6 +82,17 @@ public String get(final String name) {
         return index != null ? values[index.intValue()] : null;
     }
 
+    /**
+     * Returns true if this record is consistent, false if not. Currently, the only check is matching the record size to
+     * the header size. Some programs can export files that fails this test but still produce parsable files.
+     * 
+     * @return true of this record is valid, false if not
+     * @see CSVParserTest#org.apache.commons.csv.CSVParserTest.testMappedButNotSetAsOutlook2007ContactExport()
+     */
+    public boolean isConsistent() {
+        return mapping == null ? true : mapping.size() == values.length;
+    }
+    
     /**
      * Checks whether a given column is mapped.
      *

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

@@ -550,6 +550,7 @@ public void testMappedButNotSetAsOutlook2007ContactExport() throws Exception {
         assertEquals("a", record.get("A"));
         assertEquals("b", record.get("B"));
         assertEquals("c", record.get("C"));
+        assertTrue(record.isConsistent());
 
         // 1st record
         record = records.next();
@@ -561,6 +562,7 @@ record = records.next();
         assertFalse(record.isSet("C"));
         assertEquals("1", record.get("A"));
         assertEquals("2", record.get("B"));
+        assertFalse(record.isConsistent());
 
         // 2nd record
         record = records.next();
@@ -573,6 +575,7 @@ record = records.next();
         assertEquals("x", record.get("A"));
         assertEquals("y", record.get("B"));
         assertEquals("z", record.get("C"));
+        assertTrue(record.isConsistent());
 
         assertFalse(records.hasNext());
     }