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// Test to see if InterruptedIOException affects output streams
// Copyright (c) 2001 Free Software Foundation
// This file is part of Mauve.
// Tags: JDK1.1
// Uses: helper
package gnu.testlet.java.io.BufferedOutputStream;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.io.*;
public class interrupt extends BufferedOutputStream implements Testlet
{
public interrupt (OutputStream out, int size)
{
super (out, size);
}
public interrupt ()
{
super (null);
}
private int getCount()
{
return this.count;
}
public void test (TestHarness harness)
{
// We create an output stream that will throw an
// InterruptedIOException after 10 bytes are written. Then we
// wrap it in a buffered output stream with a buffer that is a bit
// smaller than that -- but not a nice multiple. Finally we write
// bytes until we get the interrupt.
int BUFFER = 7;
helper h = new helper (10);
interrupt out = new interrupt (h, BUFFER);
boolean ok = false;
int i = -1;
int xfer = -1;
try
{
for (i = 0; i < BUFFER * 2; ++i)
out.write (i);
out.flush ();
}
catch (InterruptedIOException ioe)
{
xfer = ioe.bytesTransferred;
ok = true;
}
catch (IOException _)
{
}
harness.check (ok, "single-byte writes");
// The flush() will cause the second buffer to be written. This
// will only write 3 bytes, though.
harness.check (xfer, 3);
harness.check (i, BUFFER * 2);
// In theory the BufferedOutputStream should notice the
// InterruptedIOException and update its internal data structure
// accordingly.
// harness.check (out.getCount(), 4);
h = new helper (10);
out = new interrupt (h, BUFFER);
byte[] b = new byte[7];
ok = false;
xfer = 0;
try
{
for (i = 0; i < 5; ++i)
out.write (b);
}
catch (InterruptedIOException ioe)
{
xfer = ioe.bytesTransferred;
ok = true;
}
catch (IOException _)
{
}
harness.check (ok, "byte array writes");
harness.check (xfer, 3);
harness.check (i, 1);
}
}
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