russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
60 lines
2.1 KiB
Java
60 lines
2.1 KiB
Java
/*
|
|
* Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* 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 4129479 8342086
|
|
* @summary Test that available throws an IOException if the stream is
|
|
* closed, and that available works correctly with the NUL
|
|
* device on Windows
|
|
* @run junit Available
|
|
*/
|
|
|
|
import java.io.File;
|
|
import java.io.FileInputStream;
|
|
import java.io.IOException;
|
|
|
|
import org.junit.jupiter.api.Test;
|
|
import org.junit.jupiter.api.condition.EnabledOnOs;
|
|
import org.junit.jupiter.api.condition.OS;
|
|
import static org.junit.jupiter.api.Assertions.*;
|
|
|
|
public class Available {
|
|
@Test
|
|
void throwAfterClose() throws IOException {
|
|
File file = new File(System.getProperty("test.src", "."),
|
|
"Available.java");
|
|
FileInputStream fis = new FileInputStream(file);
|
|
fis.close();
|
|
assertThrows(IOException.class, () -> fis.available());
|
|
}
|
|
|
|
@Test
|
|
@EnabledOnOs(OS.WINDOWS)
|
|
void nulDevice() throws IOException {
|
|
File file = new File("nul");
|
|
FileInputStream fis = new FileInputStream(file);
|
|
int n = fis.available();
|
|
assertEquals(0, n, "available() returned non-zero value");
|
|
}
|
|
}
|