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Writing.cs
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266 lines (232 loc) · 7.06 KB
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namespace dBASE.NET.Tests
{
using System;
using System.IO;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
[TestClass]
public class Writing
{
Dbf dbf;
[TestInitialize]
public void testInit()
{
}
private byte[] ReadBytes()
{
// Open stream for reading.
FileStream stream = File.Open("test.dbf", FileMode.Open, FileAccess.Read);
BinaryReader reader = new BinaryReader(stream);
byte[] data = new byte[stream.Length];
data = reader.ReadBytes((int) stream.Length);
reader.Close();
stream.Close();
return data;
}
[TestMethod]
public void WriteNoData()
{
dbf = new Dbf();
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
byte[] data = ReadBytes();
Assert.AreEqual(0x30, data[0], "Version should be 0x30.");
}
[TestMethod]
public void WriteOneField()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Character, 12);
dbf.Fields.Add(field);
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual("TEST", dbf.Fields[0].Name, "Field name should be TEST.");
}
[TestMethod]
public void WriteFieldAndRecord()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Character, 12);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = "HELLO";
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual("HELLO", dbf.Records[0][0], "Record content should be HELLO.");
}
[TestMethod]
public void WriteFieldAndThreeRecords()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Character, 12);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = "HELLO";
record = dbf.CreateRecord();
record.Data[0] = "WORLD";
record = dbf.CreateRecord();
record.Data[0] = "OUT THERE";
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual("OUT THERE", dbf.Records[2][0], "Record content should be OUT THERE.");
}
[TestMethod]
public void WriteRecordAndDeleteIt()
{
dbf = new Dbf();
var field = new DbfField("TEST", DbfFieldType.Character, 12);
dbf.Fields.Add(field);
var record = dbf.CreateRecord();
record.Data[0] = "HELLO WORLD ! DELETE ME!";
dbf.DeleteRecord(0);
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf",false);
Assert.AreEqual(0, dbf.Records.Count,"dbf should have no records");
}
[TestMethod]
public void WriteMultipleRecordsAndDeleteOne()
{
var dbf = new Dbf();
var field = new DbfField("TEST", DbfFieldType.Character, 12);
dbf.Fields.Add(field);
AddMultipleRecords(dbf,12);
dbf.DeleteRecord(0);
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf", false);
Assert.AreEqual(11, dbf.Records.Count,"dbf should have 11 records");
}
[TestMethod]
public void WriteMultipleRecordsAndDeleteAll()
{
var dbf = new Dbf();
var field = new DbfField("TEST", DbfFieldType.Character, 12);
dbf.Fields.Add(field);
AddMultipleRecords(dbf, 12);
dbf.DeleteRecords(Enumerable.Range(0,12).ToArray());
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf", false);
Assert.AreEqual(0, dbf.Records.Count, "dbf should have no record");
}
[TestMethod]
public void WriteRecordAndDeleteButLoadDeletedRecords()
{
dbf = new Dbf();
var field = new DbfField("TEST", DbfFieldType.Character, 12);
dbf.Fields.Add(field);
var record = dbf.CreateRecord();
record.Data[0] = "HELLO WORLD ! DELETE ME!";
dbf.DeleteRecord(0);
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual(0, dbf.Records.Count, "dbf should have no records");
}
[TestMethod]
public void NumericField()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Numeric, 12, 2);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = 3.14;
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual(3.14, dbf.Records[0][0], "Record content should be 3.14.");
}
[TestMethod]
public void FloatField()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Float, 12);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = 3.14f;
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual(3.14f, dbf.Records[0][0], "Record content should be 3.14.");
}
[TestMethod]
public void LogicalField()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Logical, 12);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = true;
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual(true, dbf.Records[0][0], "Record content should be TRUE.");
}
[TestMethod]
public void DateField()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Date, 12);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = new DateTime(2018, 8, 7);
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual(new DateTime(2018, 8, 7), dbf.Records[0][0], "Record content should be 2018-08-07.");
}
[TestMethod]
public void DateTimeField()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.DateTime, 8);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = new DateTime(2018, 8, 7, 20, 15, 8);
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual(new DateTime(2018, 8, 7, 20, 15, 8), dbf.Records[0][0], "Record content should be 2018-08-07 20:15:08.");
}
[TestMethod]
public void IntegerField()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Integer, 4);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = 34;
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual(34, dbf.Records[0][0], "Record content should be 34.");
}
[TestMethod]
public void CurrencyField()
{
dbf = new Dbf();
DbfField field = new DbfField("TEST", DbfFieldType.Currency, 4);
dbf.Fields.Add(field);
DbfRecord record = dbf.CreateRecord();
record.Data[0] = 4.34F;
dbf.Write("test.dbf", DbfVersion.VisualFoxPro);
dbf = new Dbf();
dbf.Read("test.dbf");
Assert.AreEqual((float) 4.34, dbf.Records[0][0], "Record content should be 4.34.");
}
private void AddMultipleRecords(Dbf dbf,int recordsLength)
{
for (int j = 0; j < recordsLength; ++j)
{
var record = dbf.CreateRecord();
for (int i = 0; i < dbf.Fields.Count; ++i)
{
record.Data[i] = $"test field {i}";
}
}
}
}
}