| /* |
| * Copyright (C) 2019, Google LLC |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.eclipse.jgit.lib; |
| |
| /** Assertion methods. */ |
| public class MoreAsserts { |
| /** |
| * Simple version of assertThrows that will be introduced in JUnit 4.13. |
| * |
| * @param expected |
| * Expected throwable class |
| * @param r |
| * Runnable that is expected to throw an exception. |
| * @return The thrown exception. |
| */ |
| public static <T extends Throwable> T assertThrows(Class<T> expected, |
| ThrowingRunnable r) { |
| try { |
| r.run(); |
| } catch (Throwable actual) { |
| if (expected.isAssignableFrom(actual.getClass())) { |
| @SuppressWarnings("unchecked") |
| T toReturn = (T) actual; |
| return toReturn; |
| } |
| throw new AssertionError("Expected " + expected.getSimpleName() |
| + ", but got " + actual.getClass().getSimpleName(), actual); |
| } |
| throw new AssertionError( |
| "Expected " + expected.getSimpleName() + " to be thrown"); |
| } |
| |
| public interface ThrowingRunnable { |
| void run() throws Throwable; |
| } |
| |
| private MoreAsserts() { |
| } |
| } |