public void ReadDisplayTextDifferentSizes()
{
// Well formed stream data
byte[] streamData =
{
0, 0, 0, 0,
123, 1, 0, 0,
104, 1, 0, 0,
5, 0, 0, 0,
72, 101, 108, 108,111, 0, 0, 0
};
// It is ok to have a little bit more space for the text
for (int dataSize = 21; dataSize < 24; dataSize++)
{
WangStream stream = new WangStream(streamData);
WangDisplayText read = WangAnnotationStructureReader.ReadDisplayText(stream, dataSize);
Assert.IsTrue(read != null);
}
}
public void ReadDisplayTextInvalidSize()
{
// Well formed stream data
byte[] streamData =
{
0, 0, 0, 0,
123, 1, 0, 0,
104, 1, 0, 0,
5, 0, 0, 0,
72, 101, 108, 108,111, 0, 0, 0
};
// At least 4 values with 4 bytes are required.
for (int dataSize = 0; dataSize < 21; dataSize++)
{
WangStream stream = new WangStream(streamData);
WangDisplayText read = WangAnnotationStructureReader.ReadDisplayText(stream, dataSize);
Assert.IsTrue(read == null);
}
}
public void ReadDisplayTextStdExact()
{
// Well formed stream data
byte[] streamData =
{
0, 0, 0, 0,
123, 1, 0, 0,
104, 1, 0, 0,
5, 0, 0, 0,
72, 101, 108, 108,111, 0, 0, 0
};
WangStream stream = new WangStream(streamData);
WangDisplayText read = WangAnnotationStructureReader.ReadDisplayText(stream, 24);
Assert.IsTrue(read != null);
Assert.AreEqual(0, read.Orientation);
Assert.AreEqual("Hello", read.Text);
Assert.AreEqual(360, (int)read.CreationScale);
Assert.AreEqual(0, stream.AvailableBytes());
}