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Patch: FYI: PR 24461 test case


I'm checking this in.

This is the regression test for PR 24461.

Tom

2006-03-11  Tom Tromey  <tromey@redhat.com>

	* gnu/testlet/java/util/zip/GZIPInputStream/PR24461.java: New file.

Index: gnu/testlet/java/util/zip/GZIPInputStream/PR24461.java
===================================================================
RCS file: gnu/testlet/java/util/zip/GZIPInputStream/PR24461.java
diff -N gnu/testlet/java/util/zip/GZIPInputStream/PR24461.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/util/zip/GZIPInputStream/PR24461.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,66 @@
+/* PR24461.java -- Regression test for PR 24461
+   Copyright (C) 2006 jrandom <jrandom-gcc@i2p.net>
+This file is part of Mauve.
+
+Mauve is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+Mauve is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Mauve; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+*/
+
+// Tags: JDK1.1
+
+package gnu.testlet.java.util.zip.GZIPInputStream;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Random;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+public class PR24461 implements Testlet {
+	public void test(TestHarness harness) {
+		boolean canBeOk = false;
+		boolean ok = false;
+		try {
+	        ByteArrayOutputStream full = new ByteArrayOutputStream(1024);
+	        GZIPOutputStream gzout = new GZIPOutputStream(full);
+	        byte buf[] = new byte[1024];
+	        new Random().nextBytes(buf);
+	        gzout.write(buf);
+	        gzout.close();
+	        byte gzdata[] = full.toByteArray();
+
+	        // now only read the first 128 bytes of that data
+	        ByteArrayInputStream truncated = new ByteArrayInputStream(gzdata, 0, 128);
+	        GZIPInputStream gzin = new GZIPInputStream(truncated);
+	        byte read[] = new byte[1024];
+	        int cur = 0;
+	        canBeOk = true;
+	        while ( (cur = gzin.read(read, cur, read.length-cur)) != -1)
+	          ; //noop
+		  } catch (IOException ioe) {
+			  // We expect an IOException while reading the truncated stream.
+			  // The bug was that we were seeing a NullPointerException.
+			  ok = canBeOk;
+	      } catch (Exception e) {
+	        harness.debug(e);
+	      }
+	      harness.check(ok);
+	}
+}


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