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/*
* Copyright (c) 2015, 2023, 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 8140450 8268829
* @summary Sanity test for exception cases
* @run junit SanityTest
*/
import java.util.Collections;
import java.util.Set;
import java.util.stream.Stream;
import static java.lang.StackWalker.Option.*;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import static org.junit.jupiter.api.Assertions.*;
public class SanityTest {
@Test
public void testNPE() {
assertThrows(NullPointerException.class, () ->
StackWalker.getInstance((Set<StackWalker.Option>) null));
assertThrows(NullPointerException.class, () ->
StackWalker.getInstance((StackWalker.Option) null));
}
private static Stream<StackWalker> noRetainClassRef() {
return Stream.of(StackWalker.getInstance(), StackWalker.getInstance(DROP_METHOD_INFO));
}
@ParameterizedTest
@MethodSource("noRetainClassRef")
public void testUOE(StackWalker sw) {
assertThrows(UnsupportedOperationException.class, () -> sw.getCallerClass());
}
@Test
public void testInvalidEstimateDepth() {
assertThrows(IllegalArgumentException.class, () ->
StackWalker.getInstance(Collections.emptySet(), 0));
}
@Test
public void testNullFunction() {
assertThrows(NullPointerException.class, () ->
StackWalker.getInstance().walk(null));
}
@Test
public void testNullConsumer() {
assertThrows(NullPointerException.class, () ->
StackWalker.getInstance().forEach(null));
}
@ParameterizedTest
@MethodSource("noRetainClassRef")
public void testUOEFromGetDeclaringClass(StackWalker sw) {
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::getDeclaringClass));
}
@ParameterizedTest
@MethodSource("noRetainClassRef")
public void testUOEFromGetMethodType(StackWalker sw) {
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::getMethodType));
}
private static Stream<StackWalker> noMethodInfo() {
return Stream.of(StackWalker.getInstance(DROP_METHOD_INFO),
StackWalker.getInstance(Set.of(DROP_METHOD_INFO, RETAIN_CLASS_REFERENCE)));
}
@ParameterizedTest
@MethodSource("noMethodInfo")
public void testNoMethodInfo(StackWalker sw) {
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::getMethodName));
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::getMethodType));
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::getDescriptor));
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::getByteCodeIndex));
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::getFileName));
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::isNativeMethod));
assertThrows(UnsupportedOperationException.class, () ->
sw.forEach(StackWalker.StackFrame::toStackTraceElement));
}
}
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