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/*
* Copyright (c) 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.
*/
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.stream.Stream;
import java.util.zip.GZIPInputStream;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.function.Executable;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
/*
* @test
* @summary basic API verification tests for GZIPInputStream
* @run junit BasicGZIPInputStreamTest
*/
public class BasicGZIPInputStreamTest {
private static Stream<Arguments> npeFromConstructors() {
return Stream.of(Arguments.of((Executable) () -> new GZIPInputStream(null)),
Arguments.of((Executable) () -> new GZIPInputStream(null, 1)));
}
/*
* Verifies that the GZIPInputStream constructors throw the expected NullPointerException
*/
@ParameterizedTest
@MethodSource("npeFromConstructors")
public void testNPEFromConstructors(final Executable constructor) {
Assertions.assertThrows(NullPointerException.class, constructor,
"GZIPInputStream constructor did not throw NullPointerException");
}
private static Stream<Arguments> iaeFromConstructors() {
return Stream.of(
Arguments.of((Executable) () -> new GZIPInputStream(
new ByteArrayInputStream(new byte[0]), 0)),
Arguments.of((Executable) () -> new GZIPInputStream(
new ByteArrayInputStream(new byte[0]), -1)),
Arguments.of((Executable) () -> new GZIPInputStream(
new ByteArrayInputStream(new byte[0]), -42)));
}
/*
* Verifies that the GZIPInputStream constructors throw the expected IllegalArgumentException
*/
@ParameterizedTest
@MethodSource("iaeFromConstructors")
public void testIAEFromConstructors(final Executable constructor) {
Assertions.assertThrows(IllegalArgumentException.class, constructor,
"GZIPInputStream constructor did not throw IllegalArgumentException");
}
private static Stream<Arguments> ioeFromConstructors() {
final ByteArrayInputStream notGZIPContent = new ByteArrayInputStream(new byte[0]);
return Stream.of(
Arguments.of((Executable) () -> new GZIPInputStream(notGZIPContent)),
Arguments.of((Executable) () -> new GZIPInputStream(
notGZIPContent, 1024 /* buffer size */)));
}
/*
* Verifies that the GZIPInputStream constructors throw the expected IOException
*/
@ParameterizedTest
@MethodSource("ioeFromConstructors")
public void testIOEFromConstructors(final Executable constructor) {
Assertions.assertThrows(IOException.class, constructor,
"GZIPInputStream constructor did not throw IOException");
}
}
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