public void ReadBlock_FileIsEmpty_ReadDataSizeEqualsZero()
{
// Arrange
const int expectedResult = 0;
IInputStream fileInputStream = new FileInputStream($"{TestFilesPath}/emptyFile.txt");
// Act
int result = fileInputStream.ReadBlock(buffer: new byte[1], count: 1);
fileInputStream.Dispose();
// Assert
Assert.Equal(expectedResult, result);
}
public void ReadBlock_FileWithData_ReturnData()
{
// Arrange
const int expectedReadSize = 3;
var expectedBuffer = new byte[] { 0x31, 0x32, 0x33 };
var buffer = new byte[3];
IInputStream fileInputStream = new FileInputStream($"{TestFilesPath}/FileWithData.txt");
// Act
int readSize = fileInputStream.ReadBlock(buffer, count: 3);
fileInputStream.Dispose();
// Assert
Assert.Equal(expectedReadSize, readSize);
Assert.Equal(expectedBuffer, buffer);
}