/*
    * 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.juneau.utils;
  
  import static org.apache.juneau.common.utils.IOUtils.*;
  import static org.junit.jupiter.api.Assertions.*;
  
  import java.io.*;
  
  import org.apache.juneau.*;
  import org.junit.jupiter.api.*;
  
  class IOUtils_Test extends TestBase {
  
  	//====================================================================================================
  	// read(File)
  	// read(InputStream, Charset)
  	// read(InputStream)
  	// read(Reader, int, int)
  	//====================================================================================================
  	@Test void a01_read() throws Exception {
  		var out = new TestWriter();
  		var in = new TestReader("foobar");
  
  		pipe(in, out);
  		assertTrue(in.closed);
  		assertFalse(out.closed);
  		assertEquals("foobar", out.toString());
  	}
  
  	@Test void a02_loadSystemResourceAsString() throws Exception {
  		assertNotNull(loadSystemResourceAsString("test1.txt", "."));
  		assertNull(loadSystemResourceAsString("test2.txt", "."));
  		assertNull(loadSystemResourceAsString("test3.txt", "sub"));
  		assertNull(loadSystemResourceAsString("test3.txt", "sub2"));
  		assertNotNull(loadSystemResourceAsString("test3.txt", "."));
  		assertNotNull(loadSystemResourceAsString("test4.txt", ".", "sub"));
  		assertNotNull(loadSystemResourceAsString("test4.txt", "sub"));
  	}
  
  	public static class TestReader extends StringReader {
  		boolean closed;
  
  		public TestReader(String s) {
  			super(s);
  		}
  
  		@Override /* Reader */
  		public void close() {
  			closed = true;
  		}
  	}
  
  	public static class TestWriter extends StringWriter {
  		boolean closed;
  
  		public TestWriter() { /* no-op */ }
  
  		@Override /* Writer */
  		public void close() {
  			closed = true;
  		}
  	}
  
  	public static class TestInputStream extends ByteArrayInputStream {
  		boolean closed;
  
  		public TestInputStream(String s) {
  			super(s.getBytes());
  		}
  
  		@Override /* InputStream */
  		public void close() throws IOException {
  			super.close();
  			closed = true;
  		}
  	}
  
  	public static class TestOutputStream extends ByteArrayOutputStream {
  		boolean closed;
  
  		public TestOutputStream() { /* no-op */ }
  
  		@Override /* OutputStream */
  		public void close() throws IOException {
 			super.close();
 			closed = true;
 		}
 
 		@Override /* Object */
 		public String toString() {
 			return new String(this.toByteArray(), UTF8);
 		}
 	}
 }