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/*
* Copyright (c) 2016, 2018, 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 org.testng.annotations.Test;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.IllegalFormatException;
import java.util.LinkedList;
import java.util.Map;
import java.util.Set;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertNull;
import static org.testng.Assert.assertTrue;
/*
* @test
* @compile TestKit.java
* @run testng TestKitTest
*/
public final class TestKitTest {
@Test
public void testAssertNotThrows() {
Integer integer = TestKit.assertNotThrows(
() -> TestKit.assertNotThrows(() -> 1)
);
assertEquals(integer, Integer.valueOf(1));
RuntimeException re = TestKit.assertThrows(
RuntimeException.class,
() -> TestKit.assertNotThrows(() -> { throw new IOException(); })
);
assertEquals(re.getMessage(),
"Expected to run normally, but threw "
+ "java.io.IOException");
TestKit.assertNotThrows(
() -> TestKit.assertNotThrows(() -> { })
);
re = TestKit.assertThrows(
RuntimeException.class,
() -> TestKit.assertNotThrows((TestKit.ThrowingProcedure) () -> { throw new IOException(); })
);
assertEquals(re.getMessage(),
"Expected to run normally, but threw "
+ "java.io.IOException");
}
@Test
public void testAssertThrows() {
NullPointerException npe = TestKit.assertThrows(
NullPointerException.class,
() -> TestKit.assertThrows(null, null)
);
assertNotNull(npe);
assertTrue(Set.of("clazz", "code").contains(npe.getMessage()), npe.getMessage());
npe = TestKit.assertThrows(
NullPointerException.class,
() -> TestKit.assertThrows(IOException.class, null)
);
assertNotNull(npe);
assertEquals(npe.getMessage(), "code");
npe = TestKit.assertThrows(
NullPointerException.class,
() -> TestKit.assertThrows(null, () -> { })
);
assertEquals(npe.getMessage(), "clazz");
npe = TestKit.assertThrows(
NullPointerException.class,
() -> { throw new NullPointerException(); }
);
assertNotNull(npe);
assertNull(npe.getMessage());
assertEquals(npe.getClass(), NullPointerException.class);
RuntimeException re = TestKit.assertThrows(
RuntimeException.class,
() -> TestKit.assertThrows(NullPointerException.class, () -> { })
);
assertEquals(re.getClass(), RuntimeException.class);
assertEquals(re.getMessage(),
"Expected to catch an exception of type "
+ "java.lang.NullPointerException, but caught nothing");
re = TestKit.assertThrows(
RuntimeException.class,
() -> { throw new NullPointerException(); }
);
assertNotNull(re);
assertNull(re.getMessage());
assertEquals(re.getClass(), NullPointerException.class);
re = TestKit.assertThrows(
RuntimeException.class,
() -> TestKit.assertThrows(
IllegalFormatException.class,
() -> { throw new IndexOutOfBoundsException(); }
));
assertNotNull(re);
assertEquals(re.getClass(), RuntimeException.class);
assertEquals(re.getMessage(),
"Expected to catch an exception of type java.util.IllegalFormatException"
+ ", but caught java.lang.IndexOutOfBoundsException");
}
@Test
public void testAssertUnmodifiable() {
TestKit.assertUnmodifiableList(
Collections.unmodifiableList(
new ArrayList<>(Arrays.asList(1, 2, 3))));
TestKit.assertThrows(RuntimeException.class,
() -> TestKit.assertUnmodifiableList(new ArrayList<>()));
TestKit.assertThrows(RuntimeException.class,
() -> TestKit.assertUnmodifiableList(new LinkedList<>()));
TestKit.assertThrows(RuntimeException.class,
() -> TestKit.assertUnmodifiableList(
new ArrayList<>(Arrays.asList(1, 2, 3))));
TestKit.assertUnmodifiableMap(Collections.unmodifiableMap(Map.of()));
TestKit.assertThrows(RuntimeException.class,
() -> TestKit.assertUnmodifiableMap(new HashMap<>()));
}
}
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