Author: eli
Date: Tue Aug 21 00:00:33 2012
New Revision: 1375336
URL: http://svn.apache.org/viewvc?rev=1375336&view=rev
Log:
HDFS-3707. TestFSInputChecker: improper use of skip. Contributed by Colin
Patrick McCabe
Modified:
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFSInputChecker.java
Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1375336&r1=1375335&r2=1375336&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Tue Aug 21
00:00:33 2012
@@ -637,6 +637,9 @@ Branch-2 ( Unreleased changes )
HDFS-3816. Invalidate work percentage default value should be 0.32f
instead of 32. (Jing Zhao via suresh)
+ HDFS-3707. TestFSInputChecker: improper use of skip.
+ (Colin Patrick McCabe via eli)
+
BREAKDOWN OF HDFS-3042 SUBTASKS
HDFS-2185. HDFS portion of ZK-based FailoverController (todd)
Modified:
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFSInputChecker.java
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFSInputChecker.java?rev=1375336&r1=1375335&r2=1375336&view=diff
==============================================================================
---
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFSInputChecker.java
(original)
+++
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFSInputChecker.java
Tue Aug 21 00:00:33 2012
@@ -20,7 +20,9 @@ package org.apache.hadoop.hdfs;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import java.io.EOFException;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
@@ -159,8 +161,8 @@ public class TestFSInputChecker {
private void testSkip1(int skippedBytes)
throws Exception {
long oldPos = stm.getPos();
- long nSkipped = stm.skip(skippedBytes);
- long newPos = oldPos+nSkipped;
+ IOUtils.skipFully(stm, skippedBytes);
+ long newPos = oldPos + skippedBytes;
assertEquals(stm.getPos(), newPos);
stm.readFully(actual);
checkAndEraseData(actual, (int)newPos, expected, "Read Sanity Test");
@@ -193,13 +195,31 @@ public class TestFSInputChecker {
testSkip1(FILE_SIZE-1);
stm.seek(0);
- assertEquals(stm.skip(FILE_SIZE), FILE_SIZE);
- assertEquals(stm.skip(10), 0);
+ IOUtils.skipFully(stm, FILE_SIZE);
+ try {
+ IOUtils.skipFully(stm, 10);
+ fail("expected to get a PrematureEOFException");
+ } catch (EOFException e) {
+ assertEquals(e.getMessage(), "Premature EOF from inputStream " +
+ "after skipping 0 byte(s).");
+ }
stm.seek(0);
- assertEquals(stm.skip(FILE_SIZE+10), FILE_SIZE);
+ try {
+ IOUtils.skipFully(stm, FILE_SIZE + 10);
+ fail("expected to get a PrematureEOFException");
+ } catch (EOFException e) {
+ assertEquals(e.getMessage(), "Premature EOF from inputStream " +
+ "after skipping " + FILE_SIZE + " byte(s).");
+ }
stm.seek(10);
- assertEquals(stm.skip(FILE_SIZE), FILE_SIZE-10);
+ try {
+ IOUtils.skipFully(stm, FILE_SIZE);
+ fail("expected to get a PrematureEOFException");
+ } catch (EOFException e) {
+ assertEquals(e.getMessage(), "Premature EOF from inputStream " +
+ "after skipping " + (FILE_SIZE - 10) + " byte(s).");
+ }
}
private void cleanupFile(FileSystem fileSys, Path name) throws IOException {
