/*
    * 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.commons.io;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  import java.io.*;
  
  import org.apache.juneau.*;
  import org.junit.jupiter.api.*;
  
  class NoCloseOutputStream_Test extends TestBase {
  
  	//====================================================================================================
  	// Basic write tests
  	//====================================================================================================
  	@Test void a01_writeInt() throws IOException {
  		var baos = new ByteArrayOutputStream();
  		var wrapper = new NoCloseOutputStream(baos);
  		wrapper.write(65); // 'A'
  		wrapper.write(66); // 'B'
  		assertEquals("AB", baos.toString());
  	}
  
  	@Test void a02_writeByteArray() throws IOException {
  		var baos = new ByteArrayOutputStream();
  		var wrapper = new NoCloseOutputStream(baos);
  		wrapper.write("test".getBytes());
  		assertEquals("test", baos.toString());
  	}
  
  	@Test void a03_writeByteArrayWithOffset() throws IOException {
  		var baos = new ByteArrayOutputStream();
  		var wrapper = new NoCloseOutputStream(baos);
  		var bytes = "hello".getBytes();
  		wrapper.write(bytes, 1, 3);
  		assertEquals("ell", baos.toString());
  	}
  
  	//====================================================================================================
  	// flush() tests
  	//====================================================================================================
  	@Test void b01_flush() throws IOException {
  		var baos = new ByteArrayOutputStream();
  		var wrapper = new NoCloseOutputStream(baos);
  		wrapper.write("test".getBytes());
  		wrapper.flush(); // Should not throw
  		assertEquals("test", baos.toString());
  	}
  
  	@Test void b02_flush_multipleTimes() throws IOException {
  		var baos = new ByteArrayOutputStream();
  		var wrapper = new NoCloseOutputStream(baos);
  		wrapper.flush();
  		wrapper.flush();
  		wrapper.flush();
  		// Should not throw
  	}
  
  	//====================================================================================================
  	// close() tests - should not actually close
  	//====================================================================================================
  	@Test void c01_close_doesNotClose() throws IOException {
  		var baos = new ByteArrayOutputStream();
  		var wrapper = new NoCloseOutputStream(baos);
  		wrapper.write("test".getBytes());
  		wrapper.close(); // Should flush but not close
  		// Should still be able to write after close
  		wrapper.write("more".getBytes());
  		assertEquals("testmore", baos.toString());
  	}
  
  	@Test void c02_close_flushes() throws IOException {
  		var baos = new ByteArrayOutputStream();
  		var wrapper = new NoCloseOutputStream(baos);
  		wrapper.write("test".getBytes());
  		wrapper.close();
  		// Content should be flushed
  		assertEquals("test", baos.toString());
  	}
  
  	@Test void c03_close_multipleTimes() throws IOException {
  		var baos = new ByteArrayOutputStream();
  		var wrapper = new NoCloseOutputStream(baos);
  		wrapper.close();
 		wrapper.close();
 		wrapper.close();
 		// Should not throw
 	}
 
 	//====================================================================================================
 	// Integration tests
 	//====================================================================================================
 	@Test void d01_combinedOperations() throws IOException {
 		var baos = new ByteArrayOutputStream();
 		var wrapper = new NoCloseOutputStream(baos);
 		wrapper.write(72); // 'H'
 		wrapper.write("ello".getBytes());
 		wrapper.write(" World".getBytes(), 0, 6);
 		wrapper.flush();
 		wrapper.close();
 		wrapper.write(33); // '!'
 		assertEquals("Hello World!", baos.toString());
 	}
 }