test using Buffered streams

Fix #117

src/test/java/com/linuxense/javadbf/bug117buffered/Bug107UseBufferedStreams.java

@@ -0,0 +1,108 @@
+package com.linuxense.javadbf.bug117buffered;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.Date;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import com.linuxense.javadbf.DBFDataType;
+import com.linuxense.javadbf.DBFField;
+import com.linuxense.javadbf.DBFHeader;
+import com.linuxense.javadbf.DBFReader;
+import com.linuxense.javadbf.DBFRow;
+import com.linuxense.javadbf.DBFUtils;
+import com.linuxense.javadbf.DBFWriter;
+import com.linuxense.javadbf.mocks.NullOutputStream;
+
+public class Bug107UseBufferedStreams {
+
+	public Bug107UseBufferedStreams() {
+		super();
+	}
+
+	@Test
+	public void testBufferedInputStream() throws Exception {
+		File file = new File("src/test/resources/books.dbf");
+		DBFReader reader = null;
+		try {
+			reader = new DBFReader(new BufferedInputStream(new FileInputStream(file)));
+
+			String expected = "1996/7/25\n" +
+				"Total records: 10\n" + 
+				"Header length: 648\n" + 
+				"Columns:\n" + 
+				"BOOK_ID\n" + 
+				"TITLE\n" + 
+				"TOPIC_ID\n" + 
+				"COPYRIGHT_\n" + 
+				"ISBN_NUMBE\n" + 
+				"PUBLISHER_\n" + 
+				"PURCHASE_P\n" + 
+				"COVERTYPE\n" + 
+				"DATE_PURCH\n" + 
+				"PAGES\n" + 
+				"NOTES\n";
+			Assertions.assertEquals(expected, reader.toString());
+		}
+		finally {
+			DBFUtils.close(reader);
+		}
+	}
+
+
+
+	@Test
+	public void testBufferedOutputStream() {
+		NullOutputStream output = new NullOutputStream();
+		BufferedOutputStream buffered = new BufferedOutputStream(output);
+		DBFWriter writer = null;
+		try {
+			writer = new DBFWriter(buffered); 
+			writer.setFields(generateFields());
+			writer.addRecord(new Object[] { 1, "Neo", 10001.10, new Date(), true });
+			writer.addRecord(new Object[] { 2, "Morfeo", 1000.0, new Date(), true });
+			writer.addRecord(new Object[] { 2, "Smith", null, new Date(), false });
+			writer.addRecord(new Object[] { null, null, null, null, null });
+		}
+		finally {
+			DBFUtils.close(writer);
+		}
+		Assertions.assertEquals(562L, output.getCount());
+	}
+
+	private DBFField[] generateFields() {
+		DBFField[] fields = new DBFField[5];
+
+		fields[0] = new DBFField();
+		fields[0].setName("emp_code");
+		fields[0].setType(DBFDataType.NUMERIC);
+		fields[0].setLength(10);
+		fields[0].setDecimalCount(0);
+
+		fields[1] = new DBFField();
+		fields[1].setName("emp_name");
+		fields[1].setType(DBFDataType.CHARACTER);
+		fields[1].setLength(60);
+
+		fields[2] = new DBFField();
+		fields[2].setName("salary");
+		fields[2].setType(DBFDataType.FLOATING_POINT);
+		fields[2].setLength(12);
+		fields[2].setDecimalCount(2);
+
+		fields[3] = new DBFField();
+		fields[3].setName("hire_date");
+		fields[3].setType(DBFDataType.DATE);
+
+		fields[4] = new DBFField();
+		fields[4].setName("human");
+		fields[4].setType(DBFDataType.LOGICAL);
+
+		return fields;
+	}
+
+}