/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6402006 7030573
* @summary Test if available returns correct value when reading
* a large file.
*/
public class LargeFileAvailable {
// Create a temporary file in the current directory.
// Use it to check if we have 7G available for
// a large sparse file test. As a fallback use whatever
// space is available, so the test can proceed.
if (spaceavailable == 0L) {
// A full disk is considered fatal.
throw new RuntimeException("No space available for temp file.");
}
throw new RuntimeException("unexpected file size = "
}
throw new RuntimeException("available() returns "
}
} finally {
}
}
// Skip toSkip number of bytes and expect that the available() method
// returns avail number of bytes.
throws IOException {
+ " but expected " + toSkip);
}
: (int) remaining;
+ " available() returns " + expected +
" remaining=" + remaining);
throw new RuntimeException("available() returns "
}
return skip;
}
// Recreate a large file as a sparse file if possible
try (FileChannel fc =
if (rc != 1) {
throw new RuntimeException("Failed to write 1 byte"
+ " to the large file");
}
}
return;
}
}