| /* |
| * 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.commons.io.input; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.params.ParameterizedTest; |
| import org.junit.jupiter.params.provider.MethodSource; |
| |
| /** |
| * Tests {@link BrokenInputStream}. |
| */ |
| public class BrokenInputStreamTest { |
| |
| private static BrokenInputStream createBrokenInputStream(final Throwable exception) { |
| if (exception instanceof IOException) { |
| return new BrokenInputStream((IOException) exception); |
| } |
| return new BrokenInputStream(exception); |
| } |
| |
| @ParameterizedTest |
| @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters") |
| public void testAvailable(final Class<Exception> clazz) throws Exception { |
| final Throwable exception = clazz.newInstance(); |
| @SuppressWarnings("resource") |
| final BrokenInputStream stream = createBrokenInputStream(exception); |
| assertEquals(exception, assertThrows(clazz, () -> stream.available())); |
| } |
| |
| @ParameterizedTest |
| @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters") |
| public void testClose(final Class<Exception> clazz) throws Exception { |
| final Throwable exception = clazz.newInstance(); |
| @SuppressWarnings("resource") |
| final BrokenInputStream stream = createBrokenInputStream(exception); |
| assertEquals(exception, assertThrows(clazz, () -> stream.close())); |
| } |
| |
| @Test |
| public void testInstance() { |
| assertNotNull(BrokenInputStream.INSTANCE); |
| } |
| |
| @ParameterizedTest |
| @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters") |
| public void testRead(final Class<Exception> clazz) throws Exception { |
| final Throwable exception = clazz.newInstance(); |
| @SuppressWarnings("resource") |
| final BrokenInputStream stream = createBrokenInputStream(exception); |
| assertEquals(exception, assertThrows(clazz, () -> stream.read())); |
| assertEquals(exception, assertThrows(clazz, () -> stream.read(new byte[1]))); |
| assertEquals(exception, assertThrows(clazz, () -> stream.read(new byte[1], 0, 1))); |
| } |
| |
| @ParameterizedTest |
| @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters") |
| public void testReset(final Class<Exception> clazz) throws Exception { |
| final Throwable exception = clazz.newInstance(); |
| @SuppressWarnings("resource") |
| final BrokenInputStream stream = createBrokenInputStream(exception); |
| assertEquals(exception, assertThrows(clazz, () -> stream.reset())); |
| } |
| |
| @ParameterizedTest |
| @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters") |
| public void testSkip(final Class<Exception> clazz) throws Exception { |
| final Throwable exception = clazz.newInstance(); |
| @SuppressWarnings("resource") |
| final BrokenInputStream stream = createBrokenInputStream(exception); |
| assertEquals(exception, assertThrows(clazz, () -> stream.skip(1))); |
| } |
| |
| @Test |
| public void testTryWithResources() { |
| final IOException thrown = assertThrows(IOException.class, () -> { |
| try (InputStream newStream = new BrokenInputStream()) { |
| newStream.read(); |
| } |
| }); |
| assertEquals("Broken input stream", thrown.getMessage()); |
| |
| final Throwable[] suppressed = thrown.getSuppressed(); |
| assertEquals(1, suppressed.length); |
| assertEquals(IOException.class, suppressed[0].getClass()); |
| assertEquals("Broken input stream", suppressed[0].getMessage()); |
| } |
| |
| @Test |
| public void testIO469() throws Throwable { |
| // The exception handling and nested blocks here look ugly. |
| // Do NOT try to rationalize them by combining them, using try-with-resources or assertThrows, |
| // or any similar improvements one would make in normal code. This tests |
| // a very specific bug that comes up in unusual exception structures like this. |
| // If this is improved, that bug will no longer be tested. |
| final InputStream in = new BrokenInputStream(); |
| Throwable localThrowable2 = null; |
| try { |
| try { |
| in.read(); |
| } catch (Throwable localThrowable1) { |
| localThrowable2 = localThrowable1; |
| throw localThrowable1; |
| } finally { |
| try { |
| in.close(); |
| } catch (Throwable x2) { |
| localThrowable2.addSuppressed(x2); |
| } |
| } |
| } catch (IOException expected) { |
| final Throwable[] suppressed = expected.getSuppressed(); |
| assertEquals(1, suppressed.length); |
| } |
| } |
| |
| } |