public void WriteNegativeFixedPoint16FromBitsTest()
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
var bits = new SignedBitsCount(-81920).GetBits();
writer.WriteFixedPoint16(-1.25, bits);
writer.FlushBits();
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
int actual = reader.ReadSignedBits(bits);
Assert.AreEqual(-81920, actual);
}
public void WriteFixedPoint16FromBitsTest()
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
const int val = 0x03aa4523;
const ushort hi = val >> 16;
const ushort low = val & 0xffff;
const double expected = hi + low / 65536.0;
var bits = new SignedBitsCount(hi).GetBits() + 16;
writer.WriteFixedPoint16(expected, bits);
writer.FlushBits();
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
double actual = reader.ReadFixedPoint16(bits);
Assert.AreEqual(expected, actual);
}
public void WriteNegativeFixedPoint16FromBitsTest()
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
var bits = new SignedBitsCount(-81920).GetBits();
writer.WriteFixedPoint16(-1.25, bits);
writer.FlushBits();
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
int actual = reader.ReadSignedBits(bits);
Assert.AreEqual(-81920, actual);
}
public void WriteFixedPoint16FromBitsTest()
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
const int val = 0x03aa4523;
const ushort hi = val >> 16;
const ushort low = val & 0xffff;
const double expected = hi + low / 65536.0;
var bits = new SignedBitsCount(hi).GetBits() + 16;
writer.WriteFixedPoint16(expected, bits);
writer.FlushBits();
mem.Seek(0, SeekOrigin.Begin);
var reader = new SwfStreamReader(mem);
double actual = reader.ReadFixedPoint16(bits);
Assert.AreEqual(expected, actual);
}
