/*
    * 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.codec.binary;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link BaseNCodecOutputStream}.
   */
  public class BaseNCodecOutputStreamTest extends AbstractBaseNOutputStreamTest {
  
      @Override
      OutputStream newOutputStream() {
          return new BaseNCodecOutputStream<>(new ByteArrayOutputStream(), new NoOpBaseNCodec(), true);
      }
  
      @Test
      void testCloseAfterInvalidBase58() throws IOException {
          final boolean[] closed = { false };
          final ByteArrayOutputStream sink = new ByteArrayOutputStream() {
              @Override
              public void close() {
                  closed[0] = true;
              }
          };
          final Base58OutputStream stream = Base58OutputStream.builder().setOutputStream(sink).setEncode(false).get();
          stream.write('0');
          final IOException failure = assertThrows(IOException.class, stream::close);
          assertTrue(failure.getCause() instanceof IllegalArgumentException);
          assertTrue(closed[0]);
          assertEquals(0, sink.size());
      }
  
      @Test
      void testCloseFailureAfterSuccessfulConversion() throws IOException {
          final IOException closeFailure = new IOException("close");
          final ByteArrayOutputStream sink = new ByteArrayOutputStream() {
              @Override
              public void close() throws IOException {
                  throw closeFailure;
              }
          };
          final Base58OutputStream stream = new Base58OutputStream(sink);
          stream.write(1);
          assertSame(closeFailure, assertThrows(IOException.class, stream::close));
          assertEquals("2", sink.toString("US-ASCII"));
      }
  
      @Test
      void testCloseFailureSuppressedAfterFlushFailure() {
          final IOException flushFailure = new IOException("flush");
          final IOException closeFailure = new IOException("close");
          final ByteArrayOutputStream sink = new ByteArrayOutputStream() {
              @Override
              public void close() throws IOException {
                  throw closeFailure;
              }
  
              @Override
              public void flush() throws IOException {
                  throw flushFailure;
              }
          };
          final Base64OutputStream stream = new Base64OutputStream(sink);
          assertSame(flushFailure, assertThrows(IOException.class, stream::close));
          assertEquals(1, flushFailure.getSuppressed().length);
          assertSame(closeFailure, flushFailure.getSuppressed()[0]);
      }
  
      @Test
      void testCloseFailureSuppressedAfterInvalidBase58() throws IOException {
          final IOException closeFailure = new IOException("close");
          final ByteArrayOutputStream sink = new ByteArrayOutputStream() {
              @Override
              public void close() throws IOException {
                 throw closeFailure;
             }
         };
         final Base58OutputStream stream = Base58OutputStream.builder().setOutputStream(sink).setEncode(false).get();
         stream.write('0');
         final IOException failure = assertThrows(IOException.class, stream::close);
         assertTrue(failure.getCause() instanceof IllegalArgumentException);
         assertEquals(1, failure.getSuppressed().length);
         assertSame(closeFailure, failure.getSuppressed()[0]);
     }
 }