BAEL-1609 Updated test to throw exception

This commit is contained in:
iaforek 2018-03-18 13:05:54 +00:00
parent cc48bd7558
commit 2fe8d8810d
2 changed files with 20 additions and 11 deletions

View File

@ -0,0 +1,5 @@
package org.baeldung.guava;
public class CountingByteWritter {
}

View File

@ -1,7 +1,6 @@
package org.baeldung.guava;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import org.junit.Test;
@ -9,17 +8,22 @@ import org.junit.Test;
import com.google.common.io.CountingOutputStream;
public class GuavaCountingOutputStreamTest {
public static final int MAX = 5;
@Test
public void givenData_whenWrittenToStream_thenGetCorrectCount() throws Exception {
@Test(expected = RuntimeException.class)
public void givenData_whenCountReachesLimit_thenThrowException() throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
CountingOutputStream cos = new CountingOutputStream(out);
byte[] data = new byte[10];
byte[] data = new byte[1024];
ByteArrayInputStream in = new ByteArrayInputStream(data);
while (in.read() != -1) {
cos.write(data);
assertEquals(10, cos.getCount());
cos.flush();
if (cos.getCount() >= MAX) {
throw new RuntimeException("Write limit reached");
}
}
}
}