public void IsNullOrEmpty_ForNewSafeBytesInstance_returnsTrue()
{
//Arrange
var sut = GetSut();
//Act
var isEmpty = SafeBytes.IsNullOrEmpty(sut);
//Assert
Assert.That(isEmpty, Is.True);
}
public void IsNullOrEmpty_ForNullSafeBytesObject_returnsTrue()
{
//Arrange
ISafeBytes nullBytes = null;
//Act
var isNull = SafeBytes.IsNullOrEmpty(nullBytes);
//Assert
Assert.That(isNull, Is.True);
}
public void IsNullOrEmpty_ForObjectHoldingSingleByte_returnsFalse([Random(0, 256, 1)] byte b)
{
//Arrange
var sut = GetSut();
sut.Append(b);
//Act
var isEmpty = SafeBytes.IsNullOrEmpty(sut);
//Assert
Assert.That(isEmpty, Is.False);
}
public void IsNullOrEmpty_ForDisposedSafeBytesObject_returnsTrue([Random(0, 256, 1)] byte b)
{
//Arrange
var sut = GetSut();
sut.Append(b);
sut.Dispose();
//Act
var isNull = SafeBytes.IsNullOrEmpty(sut);
//Assert
Assert.That(isNull, Is.True);
}
public void IsNullOrEmpty_ForObjectHoldingMultipleBytes_returnsFalse([Random(0, 256, 1)] byte b1,
[Random(0, 256, 1)] byte b2, [Random(0, 256, 1)] byte b3)
{
//Arrange
var sut = GetSut();
sut.Append(b1);
sut.Append(b2);
sut.Append(b3);
//Act
var isNull = SafeBytes.IsNullOrEmpty(sut);
//Assert
Assert.That(isNull, Is.False);
}
/// <inheritdoc />
/// <inheritdoc cref="DisposableBase.ThrowIfDisposed"/>
/// <exception cref="ArgumentNullException"> <paramref name="character" /> is <see langword="null" />. </exception>
/// <exception cref="ArgumentOutOfRangeException"> <paramref name="character" /> is null or empty. </exception>
public async Task InsertAsync(int position, ISafeBytes character, Encoding encoding = Encoding.Utf16LittleEndian)
{
ThrowIfDisposed();
if (position < 0 || position > Length)
{
throw new ArgumentOutOfRangeException(nameof(position));
}
if (SafeBytes.IsNullOrEmpty(character))
{
throw new ArgumentNullException(nameof(character));
}
if (encoding != InnerEncoding)
{
character = await ConvertEncodingAsync(character, encoding, InnerEncoding)
.ConfigureAwait(false);
}
_charBytesList.Insert(position, character);
}
/// <exception cref="ArgumentNullException">
/// <paramref name="character" /> is <see langword="null" />.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// Throws if the SafeString instance is disposed.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// Throws if <paramref name="character" /> is less than zero or higher than the length.
/// </exception>
public void Insert(int position, ISafeBytes character, Encoding encoding = Encoding.Utf16LittleEndian)
{
EnsureNotDisposed();
if ((position < 0) || (position > Length))
{
throw new ArgumentOutOfRangeException(nameof(position));
}
if (SafeBytes.IsNullOrEmpty(character))
{
throw new ArgumentNullException(nameof(character));
}
if (encoding == InnerEncoding)
{
_charBytesList.Insert(position, character);
return;
}
//Convert encoding
var buffer = character.ToByteArray();
try
{
buffer = _textService.Convert(encoding, InnerEncoding, buffer);
var safeBytes = _safeBytesFactory.Create();
for (var i = 0; i < buffer.Length; i++)
{
//Append
safeBytes.Append(buffer[i]);
buffer[i] = 0x0;
}
_charBytesList.Insert(position, safeBytes);
}
finally
{
Array.Clear(buffer, 0, buffer.Length);
}
}