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check the buffer size

This commit is contained in:
lqjaclee 2018-12-27 22:01:39 +08:00
parent 47dd00a82e
commit 22338e5eb9
1 changed files with 2 additions and 0 deletions
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2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/fs/TestDFSIO.java
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@ -550,6 +550,8 @@ public class TestDFSIO implements Tool {
InputStream in = (InputStream)this.stream; InputStream in = (InputStream)this.stream;
long actualSize = 0; long actualSize = 0;
while (actualSize < totalSize) { while (actualSize < totalSize) {
if(bufferSize <= 0)
throw new IllegalArgumentException("buffer size should be positive integer.");
int curSize = in.read(buffer, 0, bufferSize); int curSize = in.read(buffer, 0, bufferSize);
if(curSize < 0) break; if(curSize < 0) break;
actualSize += curSize; actualSize += curSize;