public void BigEndianBinaryWriterConstructorEncodingTest()
{
Stream output = new MemoryStream();
Encoding encoding = Encoding.UTF7;
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output), encoding);
PrivateObject po = new PrivateObject(target);
BigEndianBinaryWriter_Accessor accessor = new BigEndianBinaryWriter_Accessor(po);
Assert.AreSame(accessor.Encoding, encoding);
}
public void BigEndianBinaryWriterConstructorEncodingUtf16Test()
{
byte[] expected = new byte[] { 0, 0, 0, 6, 97, 00, 98, 00, 99, 00 }; // "abc" string in utf16 + int string length in bytes
MemoryStream output = new MemoryStream();
Encoding encoding = Encoding.Unicode;
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output), encoding);
string input = "abc";
target.Write(input);
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteDoubleTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
double data = 1.23123456789000002231659891549E2;
target.Write(data);
byte[] expected = new byte[] { 0x40, 0x5E, 0xC7, 0xE6, 0xB7, 0x4D, 0xCE, 0x59 }; // 1.23123456789000002231659891549E2 in IEEE Double in Big endian representation with double precision (64 bit)
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteLongTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
long data = 1234567890123456789;
target.Write(data);
byte[] expected = new byte[] { 0x11, 0x22, 0x10, 0xF4, 0x7D, 0xE9, 0x81, 0x15 };
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteFloatTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
float data = 1.23f;
target.Write(data);
byte[] expected = new byte[] { 0x3F, 0x9D, 0x70, 0xA4 }; // 1.23 in IEEE Float in Big endian representation with single precision (32 bit)
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteBooleanTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
// false
bool data = false;
target.Write(data);
byte[] expected = new byte[] { 0, 0, 0, 0 }; // 0 = false
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
// true
output.Position = 0;
data = true;
target.Write(data);
expected = new byte[] { 0, 0, 0, 1 }; // otherwise true
actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteDateTimeTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
DateTime data = new DateTime(1970, 1, 1, 0, 0, 1, DateTimeKind.Utc).ToLocalTime(); // 01.01.1970 00:00:01 UTC
target.Write(data);
byte[] expected = new byte[] { 0, 0, 0, 1 }; // 1 sec from Unix epoch
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteStringTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
string data = "abc";
target.Write(data);
byte[] expected = new byte[] { 0, 0, 0, 3, 97, 98, 99 }; // 'abc' string in utf-8 + prefix int with string length
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteByteArrayTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
byte[] expected = new byte[] { 1, 2, 3 };
target.Write(expected);
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteIntTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
int data = 16776960;
byte[] expected = new byte[] { 0x00, 0xFF, 0xFF, 0x00 }; // 16776960 in Big endian representation
target.Write(data);
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteShortTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
short data = 12345;
byte[] expected = new byte[] { 0x30, 0x39 }; // 12345 in Big endian representation
target.Write(data);
byte[] actual = output.ToArray();
MyAssert.AreEqual(expected, actual);
}
public void WriteByteTest()
{
MemoryStream output = new MemoryStream();
BigEndianBinaryWriter target = new BigEndianBinaryWriter(new StreamAdapter(output));
byte expected = 255;
target.Write(expected);
byte actual = output.ToArray()[0];
Assert.AreEqual(expected, actual);
}
