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/*
* Copyright (c) 2021, 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 8277964
* @summary Test IllegalArgumentException be thrown when an argument is invalid
* @run testng/othervm/timeout=180 IllegalArgumentsTest
*/
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import org.testng.annotations.Test;
public class IllegalArgumentsTest {
static class T {
public T(int i) {}
public static void m(int i) {}
public void m1(String s) {}
}
@Test
public void wrongArgumentType() throws ReflectiveOperationException {
for (int i = 0; i < 100_000; ++i) {
try {
Constructor<T> ctor = T.class.getConstructor(int.class);
ctor.newInstance(int.class); // wrong argument type
throw new RuntimeException("Expected IAE not thrown");
} catch (IllegalArgumentException e) {}
}
for (int i = 0; i < 100_000; ++i) {
try {
Method method = T.class.getMethod("m", int.class);
method.invoke(null, int.class); // wrong argument type
throw new RuntimeException("Expected IAE not thrown");
} catch (IllegalArgumentException e) {}
}
}
@Test
public void nullArguments() throws ReflectiveOperationException {
for (int i = 0; i < 100_000; ++i) {
try {
Constructor<T> ctor = T.class.getConstructor(int.class);
ctor.newInstance(new Object[] {null});
throw new RuntimeException("Expected IAE not thrown");
} catch (IllegalArgumentException e) {}
}
for (int i = 0; i < 100_000; ++i) {
try {
Method method = T.class.getMethod("m", int.class);
method.invoke(null, new Object[] {null});
throw new RuntimeException("Expected IAE not thrown");
} catch (IllegalArgumentException e) {}
}
}
@Test
public void illegalArguments() throws ReflectiveOperationException {
for (int i = 0; i < 100_000; ++i) {
try {
Constructor<T> ctor = T.class.getConstructor(int.class);
ctor.newInstance(new Object[] { 10, 20});
throw new RuntimeException("Expected IAE not thrown");
} catch (IllegalArgumentException e) {}
}
for (int i = 0; i < 100_000; ++i) {
try {
Method method = T.class.getMethod("m", int.class);
method.invoke(null, new Object[] { 10, 20});
throw new RuntimeException("Expected IAE not thrown");
} catch (IllegalArgumentException e) {}
}
}
@Test
public void wrongReceiver() throws ReflectiveOperationException {
for (int i = 0; i < 100_000; ++i) {
try {
Method method = T.class.getMethod("m1", String.class);
method.invoke(this, "bad receiver");
throw new RuntimeException("Expected IAE not thrown");
} catch (IllegalArgumentException e) {}
}
}
}
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