public void ReadRectangleInvalidSize()
{
// Well formed data
byte[] streamData =
{
// Left
100, 0, 0, 0,
// Top
1, 0, 0, 0,
// Right
200, 0, 0, 0,
// Bottom
55, 0, 0, 0,
};
// The streamData is well formed.
// Just using a part of the data should cause an error to rise.
for (int dataSize = 0; dataSize < streamData.Length - 1; dataSize++)
{
byte[] streamDataTooShort = new byte[dataSize];
Array.Copy(streamData, 0, streamDataTooShort, 0, dataSize);
WangStream stream = new WangStream(streamDataTooShort);
int[] coordinates = new int[4];
Assert.IsFalse(WangAnnotationStructureReader.ReadRectangle(coordinates, stream));
}
}
public void ReadRectangleStd()
{
// Well formed data
byte[] streamData =
{
// Left
100, 0, 0, 0,
// Top
1, 0, 0, 0,
// Right
200, 0, 0, 0,
// Bottom
55, 0, 0, 0,
};
WangStream stream = new WangStream(streamData);
int[] coordinates = new int[4];
Assert.IsTrue(WangAnnotationStructureReader.ReadRectangle(coordinates, stream));
Assert.AreEqual(100, coordinates[WangAnnotationTranslation.LeftIndex]);
Assert.AreEqual(1, coordinates[WangAnnotationTranslation.TopIndex]);
Assert.AreEqual(200, coordinates[WangAnnotationTranslation.RightIndex]);
Assert.AreEqual(55, coordinates[WangAnnotationTranslation.BottomIndex]);
Assert.AreEqual(0, stream.AvailableBytes());
}
