| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.flink.util; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * Tests for the utility methods in {@link ExceptionUtils}. |
| */ |
| public class ExceptionUtilsTest extends TestLogger { |
| |
| @Test |
| public void testStringifyNullException() { |
| assertNotNull(ExceptionUtils.STRINGIFIED_NULL_EXCEPTION); |
| assertEquals(ExceptionUtils.STRINGIFIED_NULL_EXCEPTION, ExceptionUtils.stringifyException(null)); |
| } |
| |
| @Test |
| public void testJvmFatalError() { |
| // not all errors are fatal |
| assertFalse(ExceptionUtils.isJvmFatalError(new Error())); |
| |
| // linkage errors are not fatal |
| assertFalse(ExceptionUtils.isJvmFatalError(new LinkageError())); |
| |
| // some errors are fatal |
| assertTrue(ExceptionUtils.isJvmFatalError(new InternalError())); |
| assertTrue(ExceptionUtils.isJvmFatalError(new UnknownError())); |
| } |
| |
| @Test |
| public void testRethrowFatalError() { |
| // fatal error is rethrown |
| try { |
| ExceptionUtils.rethrowIfFatalError(new InternalError()); |
| fail(); |
| } catch (InternalError ignored) {} |
| |
| // non-fatal error is not rethrown |
| ExceptionUtils.rethrowIfFatalError(new NoClassDefFoundError()); |
| } |
| |
| @Test |
| public void testFindThrowableByType() { |
| assertTrue(ExceptionUtils.findThrowable( |
| new RuntimeException(new IllegalStateException()), |
| IllegalStateException.class).isPresent()); |
| } |
| |
| } |