/*
    * 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
    *
    *      https://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.Reader;
  import java.nio.CharBuffer;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.MethodSource;
  
  /**
   * Tests {@link BrokenReader}.
   */
  class BrokenReaderTest {
  
      private static BrokenReader createBrokenReader(final Throwable exception) {
          if (exception instanceof IOException) {
              return new BrokenReader((IOException) exception);
          }
          return new BrokenReader(exception);
      }
  
      @ParameterizedTest
      @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
      void testClose(final Class<Exception> clazz) throws Exception {
          final Throwable exception = clazz.newInstance();
          @SuppressWarnings("resource")
          final BrokenReader brokenReader = createBrokenReader(exception);
          assertEquals(exception, assertThrows(clazz, brokenReader::close));
      }
  
      @Test
      void testInstance() {
          assertNotNull(BrokenReader.INSTANCE);
      }
  
      @ParameterizedTest
      @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
      void testMark(final Class<Throwable> clazz) throws Exception {
          final Throwable exception = clazz.newInstance();
          @SuppressWarnings("resource")
          final BrokenReader brokenReader = createBrokenReader(exception);
          assertEquals(exception, assertThrows(clazz, () -> brokenReader.mark(1)));
      }
  
      @ParameterizedTest
      @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
      void testRead(final Class<Throwable> clazz) throws Exception {
          final Throwable exception = clazz.newInstance();
          @SuppressWarnings("resource")
          final BrokenReader brokenReader = createBrokenReader(exception);
          assertEquals(exception, assertThrows(clazz, brokenReader::read));
      }
  
      @ParameterizedTest
      @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
      void testReadCharArray(final Class<Throwable> clazz) throws Exception {
          final Throwable exception = clazz.newInstance();
          @SuppressWarnings("resource")
          final BrokenReader brokenReader = createBrokenReader(exception);
          assertEquals(exception, assertThrows(clazz, () -> brokenReader.read(new char[1])));
      }
  
      @ParameterizedTest
      @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
      void testReadCharArrayIndexed(final Class<Throwable> clazz) throws Exception {
          final Throwable exception = clazz.newInstance();
          @SuppressWarnings("resource")
          final BrokenReader brokenReader = createBrokenReader(exception);
          final char[] cbuf = new char[1];
          assertEquals(exception, assertThrows(clazz, () -> brokenReader.read(cbuf, 0, 1)));
          // Also throws the exception before checking arguments
          assertEquals(exception, assertThrows(clazz, () -> brokenReader.read(cbuf, -1, 1)));
          assertEquals(exception, assertThrows(clazz, () -> brokenReader.read(cbuf, 0, -1)));
          assertEquals(exception, assertThrows(clazz, () -> brokenReader.read(cbuf, 1, 1)));
          assertEquals(exception, assertThrows(clazz, () -> brokenReader.read(null, 0, 0)));
  
      }
  
     @ParameterizedTest
     @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
     void testReadCharBuffer(final Class<Throwable> clazz) throws Exception {
         final Throwable exception = clazz.newInstance();
         @SuppressWarnings("resource")
         final BrokenReader brokenReader = createBrokenReader(exception);
         final CharBuffer charBuffer = CharBuffer.allocate(1);
         assertEquals(exception, assertThrows(clazz, () -> brokenReader.read(charBuffer)));
     }
 
     @ParameterizedTest
     @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
     void testReady(final Class<Throwable> clazz) throws Exception {
         final Throwable exception = clazz.newInstance();
         @SuppressWarnings("resource")
         final BrokenReader brokenReader = createBrokenReader(exception);
         assertEquals(exception, assertThrows(clazz, brokenReader::ready));
     }
 
     @ParameterizedTest
     @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
     void testReset(final Class<Throwable> clazz) throws Exception {
         final Throwable exception = clazz.newInstance();
         @SuppressWarnings("resource")
         final BrokenReader brokenReader = createBrokenReader(exception);
         assertEquals(exception, assertThrows(clazz, brokenReader::reset));
     }
 
     @ParameterizedTest
     @MethodSource("org.apache.commons.io.BrokenTestFactories#parameters")
     void testSkip(final Class<Throwable> clazz) throws Exception {
         final Throwable exception = clazz.newInstance();
         @SuppressWarnings("resource")
         final BrokenReader brokenReader = createBrokenReader(exception);
         assertEquals(exception, assertThrows(clazz, () -> brokenReader.skip(1)));
     }
 
     @Test
     void testTryWithResources() {
         final IOException thrown = assertThrows(IOException.class, () -> {
             try (Reader newReader = new BrokenReader()) {
                 newReader.read();
             }
         });
         assertEquals("Broken reader", thrown.getMessage());
 
         final Throwable[] suppressed = thrown.getSuppressed();
         assertEquals(1, suppressed.length);
         assertEquals(IOException.class, suppressed[0].getClass());
         assertEquals("Broken reader", suppressed[0].getMessage());
     }
 
 }