libcore/luni/src/test/java/tests/api/java/io/BufferedWriterTest.java - platform/dalvik - Git at Google

 /*
  *  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 tests.api.java.io;

 import java.io.BufferedWriter;
 import java.io.IOException;

 import tests.support.Support_ASimpleWriter;
 import tests.support.Support_StringWriter;
 import dalvik.annotation.TestLevel;
 import dalvik.annotation.TestTargetClass;
 import dalvik.annotation.TestTargetNew;

 @TestTargetClass(BufferedWriter.class)
 public class BufferedWriterTest extends junit.framework.TestCase {

     BufferedWriter bw;

     Support_StringWriter sw;

     Support_ASimpleWriter ssw;

     public String testString = "Test_All_Tests\nTest_java_io_BufferedInputStream\nTest_java_io_BufferedOutputStream\nTest_java_io_ByteArrayInputStream\nTest_java_io_ByteArrayOutputStream\nTest_java_io_DataInputStream\nTest_java_io_File\nTest_java_io_FileDescriptor\nTest_java_io_FileInputStream\nTest_java_io_FileNotFoundException\nTest_java_io_FileOutputStream\nTest_java_io_FilterInputStream\nTest_java_io_FilterOutputStream\nTest_java_io_InputStream\nTest_java_io_IOException\nTest_java_io_OutputStream\nTest_java_io_PrintStream\nTest_java_io_RandomAccessFile\nTest_java_io_SyncFailedException\nTest_java_lang_AbstractMethodError\nTest_java_lang_ArithmeticException\nTest_java_lang_ArrayIndexOutOfBoundsException\nTest_java_lang_ArrayStoreException\nTest_java_lang_Boolean\nTest_java_lang_Byte\nTest_java_lang_Character\nTest_java_lang_Class\nTest_java_lang_ClassCastException\nTest_java_lang_ClassCircularityError\nTest_java_lang_ClassFormatError\nTest_java_lang_ClassLoader\nTest_java_lang_ClassNotFoundException\nTest_java_lang_CloneNotSupportedException\nTest_java_lang_Double\nTest_java_lang_Error\nTest_java_lang_Exception\nTest_java_lang_ExceptionInInitializerError\nTest_java_lang_Float\nTest_java_lang_IllegalAccessError\nTest_java_lang_IllegalAccessException\nTest_java_lang_IllegalArgumentException\nTest_java_lang_IllegalMonitorStateException\nTest_java_lang_IllegalThreadStateException\nTest_java_lang_IncompatibleClassChangeError\nTest_java_lang_IndexOutOfBoundsException\nTest_java_lang_InstantiationError\nTest_java_lang_InstantiationException\nTest_java_lang_Integer\nTest_java_lang_InternalError\nTest_java_lang_InterruptedException\nTest_java_lang_LinkageError\nTest_java_lang_Long\nTest_java_lang_Math\nTest_java_lang_NegativeArraySizeException\nTest_java_lang_NoClassDefFoundError\nTest_java_lang_NoSuchFieldError\nTest_java_lang_NoSuchMethodError\nTest_java_lang_NullPointerException\nTest_java_lang_Number\nTest_java_lang_NumberFormatException\nTest_java_lang_Object\nTest_java_lang_OutOfMemoryError\nTest_java_lang_RuntimeException\nTest_java_lang_SecurityManager\nTest_java_lang_Short\nTest_java_lang_StackOverflowError\nTest_java_lang_String\nTest_java_lang_StringBuffer\nTest_java_lang_StringIndexOutOfBoundsException\nTest_java_lang_System\nTest_java_lang_Thread\nTest_java_lang_ThreadDeath\nTest_java_lang_ThreadGroup\nTest_java_lang_Throwable\nTest_java_lang_UnknownError\nTest_java_lang_UnsatisfiedLinkError\nTest_java_lang_VerifyError\nTest_java_lang_VirtualMachineError\nTest_java_lang_vm_Image\nTest_java_lang_vm_MemorySegment\nTest_java_lang_vm_ROMStoreException\nTest_java_lang_vm_VM\nTest_java_lang_Void\nTest_java_net_BindException\nTest_java_net_ConnectException\nTest_java_net_DatagramPacket\nTest_java_net_DatagramSocket\nTest_java_net_DatagramSocketImpl\nTest_java_net_InetAddress\nTest_java_net_NoRouteToHostException\nTest_java_net_PlainDatagramSocketImpl\nTest_java_net_PlainSocketImpl\nTest_java_net_Socket\nTest_java_net_SocketException\nTest_java_net_SocketImpl\nTest_java_net_SocketInputStream\nTest_java_net_SocketOutputStream\nTest_java_net_UnknownHostException\nTest_java_util_ArrayEnumerator\nTest_java_util_Date\nTest_java_util_EventObject\nTest_java_util_HashEnumerator\nTest_java_util_Hashtable\nTest_java_util_Properties\nTest_java_util_ResourceBundle\nTest_java_util_tm\nTest_java_util_Vector\n";

     /**
      * @tests java.io.BufferedWriter#BufferedWriter(java.io.Writer)
      */
     @TestTargetNew(
         level = TestLevel.COMPLETE,
         method = "BufferedWriter",
         args = {java.io.Writer.class}
     )
     public void test_ConstructorLjava_io_Writer() {
         bw = new BufferedWriter(sw);
         try {
             bw.write("Hi", 0, 2);
             assertTrue("Test 1: Buffering failed.", sw.toString().equals(""));
             bw.flush();
             assertEquals("Test 2: Incorrect value;", "Hi", sw.toString());
         } catch (IOException e) {
             fail("Test 3: Unexpected IOException.");
         }
     }

     /**
      * @tests java.io.BufferedWriter#BufferedWriter(java.io.Writer, int)
      */
     @TestTargetNew(
         level = TestLevel.COMPLETE,
         method = "BufferedWriter",
         args = {java.io.Writer.class, int.class}
     )
     public void test_ConstructorLjava_io_WriterI() {
         try {
             bw = new BufferedWriter(sw, 0);
             fail("Test 1: IllegalArgumentException expected.");
         } catch (IllegalArgumentException expected) {
             // Expected.
         }

         bw = new BufferedWriter(sw, 10);
         try {
             bw.write("Hi", 0, 2);
             assertTrue("Test 2: Buffering failed.", sw.toString().equals(""));
             bw.flush();
             assertEquals("Test 3: Incorrect value;", "Hi", sw.toString());
         } catch (IOException e) {
             fail("Test 4: Unexpected IOException.");
         }
     }

     /**
      * @tests java.io.BufferedWriter#close()
      */
     @TestTargetNew(
         level = TestLevel.COMPLETE,
         method = "close",
         args = {}
     )
     public void test_close() {
         // Test for method void java.io.BufferedWriter.close()
         try {
             bw.close();
             bw.write(testString);
             fail("Test 1: IOException expected.");
         } catch (IOException e) {
             // Expected.
         }
         assertFalse("Test 2: Write after close.", sw.toString().equals(testString));

         bw = new BufferedWriter(ssw);
         try {
             bw.close();
             fail("Test 3: IOException expected.");
         } catch (IOException e) {
             // Expected.
         }
     }

     /**
      * @tests java.io.BufferedWriter#flush()
      */
     @TestTargetNew(
         level = TestLevel.COMPLETE,
         method = "flush",
         args = {}
     )
     public void test_flush() throws IOException {
         bw.write("This should not cause a flush");
         assertTrue("Test 1: Bytes written without flush.",
                 sw.toString().equals(""));
         bw.flush();
         assertEquals("Test 2: Bytes not flushed.",
                 "This should not cause a flush", sw.toString());

         bw.close();
         bw = new BufferedWriter(ssw);
         try {
             bw.flush();
             fail("Test 3: IOException expected.");
         } catch (IOException e) {
             // Expected.
         }
     }

     /**
      * @tests java.io.BufferedWriter#newLine()
      */
     @TestTargetNew(
         level = TestLevel.COMPLETE,
         method = "newLine",
         args = {}
     )
     public void test_newLine() throws IOException {
         String separator = System.getProperty("line.separator");
         bw.write("Hello");
         bw.newLine();
         bw.write("World");
         bw.flush();
         assertTrue("Test 1: Incorrect string written: " + sw.toString(),
                 sw.toString().equals("Hello" + separator + "World"));

         bw.close();
         bw = new BufferedWriter(ssw, 1);
         try {
             bw.newLine();
             fail("Test 2: IOException expected.");
         } catch (IOException e) {
             // Expected.
         }
    }

     /**
      * @tests java.io.BufferedWriter#write(char[], int, int)
      */
     @TestTargetNew(
         level = TestLevel.PARTIAL_COMPLETE,
         method = "write",
         args = {char[].class, int.class, int.class}
     )
     public void test_write$CII() {
         // Test for method void java.io.BufferedWriter.write(char [], int, int)
         try {
             char[] testCharArray = testString.toCharArray();
             bw.write(testCharArray, 500, 1000);
             bw.flush();
             assertTrue("Incorrect string written", sw.toString().equals(
                     testString.substring(500, 1500)));

             int idx = sw.toString().length();
             bw.write(testCharArray, 0, testCharArray.length);
             assertEquals(idx + testCharArray.length, sw.toString().length());
             bw.write(testCharArray, 0, 0);
             assertEquals(idx + testCharArray.length, sw.toString().length());
             bw.write(testCharArray, testCharArray.length, 0);
             assertEquals(idx + testCharArray.length, sw.toString().length());
         } catch (Exception e) {
             fail("Exception during write test");
         }

     }

     /**
      * @tests java.io.BufferedWriter#write(char[], int, int)
      */
     @TestTargetNew(
         level = TestLevel.PARTIAL_COMPLETE,
         notes = "Illegal argument tests.",
         method = "write",
         args = {char[].class, int.class, int.class}
     )
     public void test_write$CII_Exception() throws IOException {
         char[] nullCharArray = null;
         char[] charArray = testString.toCharArray();

         try {
             bw.write(nullCharArray, 0, 1);
             fail("Test 1: NullPointerException expected.");
         } catch (NullPointerException e) {
             // Expected.
         }

         try {
             bw.write(charArray, -1, 0);
             fail("Test 2: IndexOutOfBoundsException expected.");
         } catch (IndexOutOfBoundsException e) {
             // Expected
         }

         try {
             bw.write(charArray, 0, -1);
             fail("Test 3: IndexOutOfBoundsException expected.");
         } catch (IndexOutOfBoundsException e) {
             // Expected
         }

         try {
             bw.write(charArray, charArray.length + 1, 0);
             fail("Test 4: IndexOutOfBoundsException expected.");
         } catch (IndexOutOfBoundsException e) {
             // Expected
         }

         try {
             bw.write(charArray, charArray.length, 1);
             fail("Test 5: IndexOutOfBoundsException expected.");
         } catch (IndexOutOfBoundsException e) {
             // Expected
         }

         try {
             bw.write(charArray, 0, charArray.length + 1);
             fail("Test 6: IndexOutOfBoundsException expected.");
         } catch (IndexOutOfBoundsException e) {
             // Expected
         }

         try {
             bw.write(charArray, 1, charArray.length);
             fail("Test 7: IndexOutOfBoundsException expected.");
         } catch (IndexOutOfBoundsException e) {
             // Expected
         }

         bw.close();

         try {
             bw.write(charArray, 0, 1);
             fail("Test 7: IOException expected.");
         } catch (IOException e) {
             // Expected.
         }

         bw = new BufferedWriter(ssw, charArray.length / 2);
         try {
             bw.write(charArray, 0, charArray.length);
             fail("Test 8: IOException expected.");
         } catch (IOException e) {
             // Expected.
         }
     }

     /**
      * @tests java.io.BufferedWriter#write(int)
      */
     @TestTargetNew(
         level = TestLevel.COMPLETE,
         method = "write",
         args = {int.class}
     )
     public void test_writeI() throws IOException {
         bw.write('T');
         assertTrue("Test 1: Char written without flush.",
                 sw.toString().equals(""));
         bw.flush();
         assertEquals("Test 2: Incorrect char written;",
                 "T", sw.toString());

         bw.close();
         try {
             bw.write('E');
             fail("Test 3: IOException expected since the target writer is closed.");
         } catch (IOException e) {
             // Expected.
         }

         // IOException should be thrown when the buffer is full and data is
         // written out to the target writer.
         bw = new BufferedWriter(ssw, 1);
         bw.write('S');
         try {
             bw.write('T');
             fail("Test 4: IOException expected since the target writer throws it.");
         } catch (IOException e) {
             // Expected.
         }
     }

     /**
      * @tests java.io.BufferedWriter#write(java.lang.String, int, int)
      */
     @TestTargetNew(
         level = TestLevel.PARTIAL_COMPLETE,
         method = "write",
         args = {java.lang.String.class, int.class, int.class}
     )
     public void test_writeLjava_lang_StringII() {
         // Test for method void java.io.BufferedWriter.write(java.lang.String,
         // int, int)
         try {
             bw.write(testString);
             bw.flush();
             assertTrue("Incorrect string written", sw.toString().equals(
                     testString));
         } catch (Exception e) {
             fail("Exception during write test");
         }
     }

     /**
      * @tests java.io.BufferedWriter#write(java.lang.String, int, int)
      */
     @TestTargetNew(
         level = TestLevel.PARTIAL_COMPLETE,
         notes = "Illegal argument checking.",
         method = "write",
         args = {java.lang.String.class, int.class, int.class}
     )
     public void test_writeLjava_lang_StringII_Exception() throws IOException {

         bw.write((String) null , -1, -1);
         bw.write((String) null , -1, 0);
         bw.write((String) null , 0 , -1);
         bw.write((String) null , 0 , 0);

         try {
             bw.write((String) null, 0, 1);
             fail("Test 1: NullPointerException expected.");
         } catch (NullPointerException e) {
             // Expected.
         }

         try {
             bw.write(testString, -1, 1);
             fail("Test 2: StringIndexOutOfBoundsException expected.");
         } catch (StringIndexOutOfBoundsException e) {
             // Expected.
         }

         try {
             bw.write(testString, 1, testString.length());
             fail("Test 3: StringIndexOutOfBoundsException expected.");
         } catch (StringIndexOutOfBoundsException e) {
             // Expected.
         }

         bw.close();

         try {
             bw.write(testString, 0, 1);
             fail("Test 4: IOException expected.");
         } catch (IOException e) {
             // Expected.
         }

         bw = new BufferedWriter(ssw, testString.length() / 2);
         try {
             bw.write(testString, 0, testString.length());
             fail("Test 5: IOException expected.");
         } catch (IOException e) {
             // Expected.
         }
     }

     /**
      * Sets up the fixture, for example, open a network connection. This method
      * is called before a test is executed.
      */
     protected void setUp() {
         sw = new Support_StringWriter();
         ssw = new Support_ASimpleWriter(true);
         bw = new BufferedWriter(sw, 500);
     }

     /**
      * Tears down the fixture, for example, close a network connection. This
      * method is called after a test is executed.
      */
     protected void tearDown() {

         ssw.throwExceptionOnNextUse = false;
         try {
             bw.close();
         } catch (Exception e) {
         }
     }
 }
	/*
	* 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 tests.api.java.io;

	import java.io.BufferedWriter;
	import java.io.IOException;

	import tests.support.Support_ASimpleWriter;
	import tests.support.Support_StringWriter;
	import dalvik.annotation.TestLevel;
	import dalvik.annotation.TestTargetClass;
	import dalvik.annotation.TestTargetNew;

	@TestTargetClass(BufferedWriter.class)
	public class BufferedWriterTest extends junit.framework.TestCase {

	BufferedWriter bw;

	Support_StringWriter sw;

	Support_ASimpleWriter ssw;

	public String testString = "Test_All_Tests\nTest_java_io_BufferedInputStream\nTest_java_io_BufferedOutputStream\nTest_java_io_ByteArrayInputStream\nTest_java_io_ByteArrayOutputStream\nTest_java_io_DataInputStream\nTest_java_io_File\nTest_java_io_FileDescriptor\nTest_java_io_FileInputStream\nTest_java_io_FileNotFoundException\nTest_java_io_FileOutputStream\nTest_java_io_FilterInputStream\nTest_java_io_FilterOutputStream\nTest_java_io_InputStream\nTest_java_io_IOException\nTest_java_io_OutputStream\nTest_java_io_PrintStream\nTest_java_io_RandomAccessFile\nTest_java_io_SyncFailedException\nTest_java_lang_AbstractMethodError\nTest_java_lang_ArithmeticException\nTest_java_lang_ArrayIndexOutOfBoundsException\nTest_java_lang_ArrayStoreException\nTest_java_lang_Boolean\nTest_java_lang_Byte\nTest_java_lang_Character\nTest_java_lang_Class\nTest_java_lang_ClassCastException\nTest_java_lang_ClassCircularityError\nTest_java_lang_ClassFormatError\nTest_java_lang_ClassLoader\nTest_java_lang_ClassNotFoundException\nTest_java_lang_CloneNotSupportedException\nTest_java_lang_Double\nTest_java_lang_Error\nTest_java_lang_Exception\nTest_java_lang_ExceptionInInitializerError\nTest_java_lang_Float\nTest_java_lang_IllegalAccessError\nTest_java_lang_IllegalAccessException\nTest_java_lang_IllegalArgumentException\nTest_java_lang_IllegalMonitorStateException\nTest_java_lang_IllegalThreadStateException\nTest_java_lang_IncompatibleClassChangeError\nTest_java_lang_IndexOutOfBoundsException\nTest_java_lang_InstantiationError\nTest_java_lang_InstantiationException\nTest_java_lang_Integer\nTest_java_lang_InternalError\nTest_java_lang_InterruptedException\nTest_java_lang_LinkageError\nTest_java_lang_Long\nTest_java_lang_Math\nTest_java_lang_NegativeArraySizeException\nTest_java_lang_NoClassDefFoundError\nTest_java_lang_NoSuchFieldError\nTest_java_lang_NoSuchMethodError\nTest_java_lang_NullPointerException\nTest_java_lang_Number\nTest_java_lang_NumberFormatException\nTest_java_lang_Object\nTest_java_lang_OutOfMemoryError\nTest_java_lang_RuntimeException\nTest_java_lang_SecurityManager\nTest_java_lang_Short\nTest_java_lang_StackOverflowError\nTest_java_lang_String\nTest_java_lang_StringBuffer\nTest_java_lang_StringIndexOutOfBoundsException\nTest_java_lang_System\nTest_java_lang_Thread\nTest_java_lang_ThreadDeath\nTest_java_lang_ThreadGroup\nTest_java_lang_Throwable\nTest_java_lang_UnknownError\nTest_java_lang_UnsatisfiedLinkError\nTest_java_lang_VerifyError\nTest_java_lang_VirtualMachineError\nTest_java_lang_vm_Image\nTest_java_lang_vm_MemorySegment\nTest_java_lang_vm_ROMStoreException\nTest_java_lang_vm_VM\nTest_java_lang_Void\nTest_java_net_BindException\nTest_java_net_ConnectException\nTest_java_net_DatagramPacket\nTest_java_net_DatagramSocket\nTest_java_net_DatagramSocketImpl\nTest_java_net_InetAddress\nTest_java_net_NoRouteToHostException\nTest_java_net_PlainDatagramSocketImpl\nTest_java_net_PlainSocketImpl\nTest_java_net_Socket\nTest_java_net_SocketException\nTest_java_net_SocketImpl\nTest_java_net_SocketInputStream\nTest_java_net_SocketOutputStream\nTest_java_net_UnknownHostException\nTest_java_util_ArrayEnumerator\nTest_java_util_Date\nTest_java_util_EventObject\nTest_java_util_HashEnumerator\nTest_java_util_Hashtable\nTest_java_util_Properties\nTest_java_util_ResourceBundle\nTest_java_util_tm\nTest_java_util_Vector\n";

	/**
	* @tests java.io.BufferedWriter#BufferedWriter(java.io.Writer)
	*/
	@TestTargetNew(
	level = TestLevel.COMPLETE,
	method = "BufferedWriter",
	args = {java.io.Writer.class}
	)
	public void test_ConstructorLjava_io_Writer() {
	bw = new BufferedWriter(sw);
	try {
	bw.write("Hi", 0, 2);
	assertTrue("Test 1: Buffering failed.", sw.toString().equals(""));
	bw.flush();
	assertEquals("Test 2: Incorrect value;", "Hi", sw.toString());
	} catch (IOException e) {
	fail("Test 3: Unexpected IOException.");
	}
	}

	/**
	* @tests java.io.BufferedWriter#BufferedWriter(java.io.Writer, int)
	*/
	@TestTargetNew(
	level = TestLevel.COMPLETE,
	method = "BufferedWriter",
	args = {java.io.Writer.class, int.class}
	)
	public void test_ConstructorLjava_io_WriterI() {
	try {
	bw = new BufferedWriter(sw, 0);
	fail("Test 1: IllegalArgumentException expected.");
	} catch (IllegalArgumentException expected) {
	// Expected.
	}

	bw = new BufferedWriter(sw, 10);
	try {
	bw.write("Hi", 0, 2);
	assertTrue("Test 2: Buffering failed.", sw.toString().equals(""));
	bw.flush();
	assertEquals("Test 3: Incorrect value;", "Hi", sw.toString());
	} catch (IOException e) {
	fail("Test 4: Unexpected IOException.");
	}
	}

	/**
	* @tests java.io.BufferedWriter#close()
	*/
	@TestTargetNew(
	level = TestLevel.COMPLETE,
	method = "close",
	args = {}
	)
	public void test_close() {
	// Test for method void java.io.BufferedWriter.close()
	try {
	bw.close();
	bw.write(testString);
	fail("Test 1: IOException expected.");
	} catch (IOException e) {
	// Expected.
	}
	assertFalse("Test 2: Write after close.", sw.toString().equals(testString));

	bw = new BufferedWriter(ssw);
	try {
	bw.close();
	fail("Test 3: IOException expected.");
	} catch (IOException e) {
	// Expected.
	}
	}

	/**
	* @tests java.io.BufferedWriter#flush()
	*/
	@TestTargetNew(
	level = TestLevel.COMPLETE,
	method = "flush",
	args = {}
	)
	public void test_flush() throws IOException {
	bw.write("This should not cause a flush");
	assertTrue("Test 1: Bytes written without flush.",
	sw.toString().equals(""));
	bw.flush();
	assertEquals("Test 2: Bytes not flushed.",
	"This should not cause a flush", sw.toString());

	bw.close();
	bw = new BufferedWriter(ssw);
	try {
	bw.flush();
	fail("Test 3: IOException expected.");
	} catch (IOException e) {
	// Expected.
	}
	}

	/**
	* @tests java.io.BufferedWriter#newLine()
	*/
	@TestTargetNew(
	level = TestLevel.COMPLETE,
	method = "newLine",
	args = {}
	)
	public void test_newLine() throws IOException {
	String separator = System.getProperty("line.separator");
	bw.write("Hello");
	bw.newLine();
	bw.write("World");
	bw.flush();
	assertTrue("Test 1: Incorrect string written: " + sw.toString(),
	sw.toString().equals("Hello" + separator + "World"));

	bw.close();
	bw = new BufferedWriter(ssw, 1);
	try {
	bw.newLine();
	fail("Test 2: IOException expected.");
	} catch (IOException e) {
	// Expected.
	}
	}

	/**
	* @tests java.io.BufferedWriter#write(char[], int, int)
	*/
	@TestTargetNew(
	level = TestLevel.PARTIAL_COMPLETE,
	method = "write",
	args = {char[].class, int.class, int.class}
	)
	public void test_write$CII() {
	// Test for method void java.io.BufferedWriter.write(char [], int, int)
	try {
	char[] testCharArray = testString.toCharArray();
	bw.write(testCharArray, 500, 1000);
	bw.flush();
	assertTrue("Incorrect string written", sw.toString().equals(
	testString.substring(500, 1500)));

	int idx = sw.toString().length();
	bw.write(testCharArray, 0, testCharArray.length);
	assertEquals(idx + testCharArray.length, sw.toString().length());
	bw.write(testCharArray, 0, 0);
	assertEquals(idx + testCharArray.length, sw.toString().length());
	bw.write(testCharArray, testCharArray.length, 0);
	assertEquals(idx + testCharArray.length, sw.toString().length());
	} catch (Exception e) {
	fail("Exception during write test");
	}

	}

	/**
	* @tests java.io.BufferedWriter#write(char[], int, int)
	*/
	@TestTargetNew(
	level = TestLevel.PARTIAL_COMPLETE,
	notes = "Illegal argument tests.",
	method = "write",
	args = {char[].class, int.class, int.class}
	)
	public void test_write$CII_Exception() throws IOException {
	char[] nullCharArray = null;
	char[] charArray = testString.toCharArray();

	try {
	bw.write(nullCharArray, 0, 1);
	fail("Test 1: NullPointerException expected.");
	} catch (NullPointerException e) {
	// Expected.
	}

	try {
	bw.write(charArray, -1, 0);
	fail("Test 2: IndexOutOfBoundsException expected.");
	} catch (IndexOutOfBoundsException e) {
	// Expected
	}

	try {
	bw.write(charArray, 0, -1);
	fail("Test 3: IndexOutOfBoundsException expected.");
	} catch (IndexOutOfBoundsException e) {
	// Expected
	}

	try {
	bw.write(charArray, charArray.length + 1, 0);
	fail("Test 4: IndexOutOfBoundsException expected.");
	} catch (IndexOutOfBoundsException e) {
	// Expected
	}

	try {
	bw.write(charArray, charArray.length, 1);
	fail("Test 5: IndexOutOfBoundsException expected.");
	} catch (IndexOutOfBoundsException e) {
	// Expected
	}

	try {
	bw.write(charArray, 0, charArray.length + 1);
	fail("Test 6: IndexOutOfBoundsException expected.");
	} catch (IndexOutOfBoundsException e) {
	// Expected
	}

	try {
	bw.write(charArray, 1, charArray.length);
	fail("Test 7: IndexOutOfBoundsException expected.");
	} catch (IndexOutOfBoundsException e) {
	// Expected
	}

	bw.close();

	try {
	bw.write(charArray, 0, 1);
	fail("Test 7: IOException expected.");
	} catch (IOException e) {
	// Expected.
	}

	bw = new BufferedWriter(ssw, charArray.length / 2);
	try {
	bw.write(charArray, 0, charArray.length);
	fail("Test 8: IOException expected.");
	} catch (IOException e) {
	// Expected.
	}
	}

	/**
	* @tests java.io.BufferedWriter#write(int)
	*/
	@TestTargetNew(
	level = TestLevel.COMPLETE,
	method = "write",
	args = {int.class}
	)
	public void test_writeI() throws IOException {
	bw.write('T');
	assertTrue("Test 1: Char written without flush.",
	sw.toString().equals(""));
	bw.flush();
	assertEquals("Test 2: Incorrect char written;",
	"T", sw.toString());

	bw.close();
	try {
	bw.write('E');
	fail("Test 3: IOException expected since the target writer is closed.");
	} catch (IOException e) {
	// Expected.
	}

	// IOException should be thrown when the buffer is full and data is
	// written out to the target writer.
	bw = new BufferedWriter(ssw, 1);
	bw.write('S');
	try {
	bw.write('T');
	fail("Test 4: IOException expected since the target writer throws it.");
	} catch (IOException e) {
	// Expected.
	}
	}

	/**
	* @tests java.io.BufferedWriter#write(java.lang.String, int, int)
	*/
	@TestTargetNew(
	level = TestLevel.PARTIAL_COMPLETE,
	method = "write",
	args = {java.lang.String.class, int.class, int.class}
	)
	public void test_writeLjava_lang_StringII() {
	// Test for method void java.io.BufferedWriter.write(java.lang.String,
	// int, int)
	try {
	bw.write(testString);
	bw.flush();
	assertTrue("Incorrect string written", sw.toString().equals(
	testString));
	} catch (Exception e) {
	fail("Exception during write test");
	}
	}

	/**
	* @tests java.io.BufferedWriter#write(java.lang.String, int, int)
	*/
	@TestTargetNew(
	level = TestLevel.PARTIAL_COMPLETE,
	notes = "Illegal argument checking.",
	method = "write",
	args = {java.lang.String.class, int.class, int.class}
	)
	public void test_writeLjava_lang_StringII_Exception() throws IOException {

	bw.write((String) null , -1, -1);
	bw.write((String) null , -1, 0);
	bw.write((String) null , 0 , -1);
	bw.write((String) null , 0 , 0);

	try {
	bw.write((String) null, 0, 1);
	fail("Test 1: NullPointerException expected.");
	} catch (NullPointerException e) {
	// Expected.
	}

	try {
	bw.write(testString, -1, 1);
	fail("Test 2: StringIndexOutOfBoundsException expected.");
	} catch (StringIndexOutOfBoundsException e) {
	// Expected.
	}

	try {
	bw.write(testString, 1, testString.length());
	fail("Test 3: StringIndexOutOfBoundsException expected.");
	} catch (StringIndexOutOfBoundsException e) {
	// Expected.
	}

	bw.close();

	try {
	bw.write(testString, 0, 1);
	fail("Test 4: IOException expected.");
	} catch (IOException e) {
	// Expected.
	}

	bw = new BufferedWriter(ssw, testString.length() / 2);
	try {
	bw.write(testString, 0, testString.length());
	fail("Test 5: IOException expected.");
	} catch (IOException e) {
	// Expected.
	}
	}

	/**
	* Sets up the fixture, for example, open a network connection. This method
	* is called before a test is executed.
	*/
	protected void setUp() {
	sw = new Support_StringWriter();
	ssw = new Support_ASimpleWriter(true);
	bw = new BufferedWriter(sw, 500);
	}

	/**
	* Tears down the fixture, for example, close a network connection. This
	* method is called after a test is executed.
	*/
	protected void tearDown() {

	ssw.throwExceptionOnNextUse = false;
	try {
	bw.close();
	} catch (Exception e) {
	}
	}
	}