public void ReadNegativeFixedPoint16FromBitsTest()
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
const int val = -81920;
var bits = new SignedBitsCount(val).GetBits();
writer.WriteSignedBits(val, bits);
writer.FlushBits();
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
double actual = reader.ReadFixedPoint16(bits);
Assert.AreEqual(-1.25, actual);
}
public void WriteSignedBitsNegativeTest()
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
writer.WriteSignedBits(-0x155, 10);
writer.WriteBit(false);
writer.WriteBit(false);
writer.WriteBit(false);
writer.WriteBit(false);
writer.WriteBit(true);
writer.WriteBit(true);
mem.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(0xaa, mem.ReadByte());
Assert.AreEqual(0xc3, mem.ReadByte());
Assert.AreEqual(mem.Length, mem.Position, "Should reach end of the stream");
}
public void WriteSignedBitsPositiveTest()
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
writer.WriteSignedBits(0x0ab, 10);
writer.WriteBit(false);
writer.WriteBit(false);
writer.WriteBit(false);
writer.WriteBit(false);
writer.WriteBit(true);
writer.WriteBit(true);
mem.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(0x2a, mem.ReadByte());
Assert.AreEqual(0xc3, mem.ReadByte());
Assert.AreEqual(mem.Length, mem.Position, "Should reach end of the stream");
}
public void ReadNegativeFixedPoint16FromBitsTest()
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
const int val = -81920;
var bits = new SignedBitsCount(val).GetBits();
writer.WriteSignedBits(val, bits);
writer.FlushBits();
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
double actual = reader.ReadFixedPoint16(bits);
Assert.AreEqual(-1.25, actual);
}