1 /* 2 * Copyright (C) 2008 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.testing; 18 19 import com.google.common.annotations.Beta; 20 import com.google.common.annotations.GwtCompatible; 21 22 /** 23 * An object that can perform a {@link #tearDown} operation. 24 * 25 * @author Kevin Bourrillion 26 * @since 10.0 27 */ 28 @Beta 29 @GwtCompatible 30 public interface TearDown { 31 /** 32 * Performs a <b>single</b> tear-down operation. See test-libraries-for-java's 33 * {@code com.google.common.testing.junit3.TearDownTestCase} and 34 * {@code com.google.common.testing.junit4.TearDownTestCase} for example. 35 * 36 * <p>A failing {@link TearDown} may or may not fail a tl4j test, depending on 37 * the version of JUnit test case you are running under. To avoid failing in 38 * the face of an exception regardless of JUnit version, implement a {@link 39 * SloppyTearDown} instead. 40 * 41 * <p>tl4j details: For backwards compatibility, {@code 42 * junit3.TearDownTestCase} currently does not fail a test when an exception 43 * is thrown from one of its {@link TearDown}s, but this is subject to 44 * change. Also, {@code junit4.TearDownTestCase} will. 45 * 46 * @throws Exception for any reason. {@code TearDownTestCase} ensures that 47 * any exception thrown will not interfere with other TearDown 48 * operations. 49 */ 50 void tearDown() throws Exception; 51 } 52
