steveloughran commented on code in PR #4957:
URL: https://github.com/apache/hadoop/pull/4957#discussion_r985588594


##########
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestDefaultStringifier.java:
##########
@@ -107,6 +108,12 @@ public void testStoreLoadArray() throws IOException {
     Integer[] array = new Integer[] {1,2,3,4,5};
 
 
+    try {

Review Comment:
   use our `LambdaTestUtils.intercept()` here; it's a reimplementation of 
scalatest's and straightforward to use it.



##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/DefaultStringifier.java:
##########
@@ -158,6 +158,9 @@ public static <K> K load(Configuration conf, String keyName,
   public static <K> void storeArray(Configuration conf, K[] items,
       String keyName) throws IOException {
 
+    if (items.length == 0) {
+      throw new IndexOutOfBoundsException();
+    }
     DefaultStringifier<K> stringifier = new DefaultStringifier<K>(conf, 
         GenericsUtil.getClass(items[0]));

Review Comment:
   won't this trigger the same exception automatically? what does the test do 
before the new lines are added



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]


---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to