public void ReadBlockOiAnText()
{
const int headerSize = 12;
// Stream with a named block header and a display text
byte[] streamData =
{
// Named block header
79, 105, 65, 110, 84, 101, 120, 116,
24, 0, 0, 0,
// Display text
0, 0, 0, 0,
242, 2, 0, 0,
104, 1, 0, 0,
5, 0, 0, 0,
72, 101, 108, 108,
111, 0, 0, 0,
// Extra bytes
1, 2, 3, 4
};
WangAnnotationProperties properties = new WangAnnotationProperties();
WangStream stream = new WangStream(streamData);
Assert.IsTrue(WangAnnotationsReader.ReadBlock(properties, stream, headerSize));
Assert.AreEqual(4, stream.AvailableBytes());
Assert.AreEqual((uint)360, properties.DisplayText.CreationScale);
Assert.AreEqual(0, properties.DisplayText.Orientation);
Assert.AreEqual("Hello", properties.DisplayText.Text);
}
public void ReadBlockOiHypLnk()
{
const int headerSize = 12;
// Stream with a named block header and a display text
byte[] streamData =
{
// Named block header
79, 105, 72, 121, 112, 76, 110, 107, 35, 0, 0, 0,
// Hyperlink
1, 0, 0, 0,
14, 0, 0, 0,
115, 111, 117, 114,
99, 101, 92, 48,
48, 49, 46, 106,
112, 103, 1, 0,
0, 0, 49, 0,
0, 0, 0, 0,
0, 0, 0,
// Extra bytes
1, 2, 3, 4
};
WangAnnotationProperties properties = new WangAnnotationProperties();
WangStream stream = new WangStream(streamData);
Assert.IsTrue(WangAnnotationsReader.ReadBlock(properties, stream, headerSize));
Assert.AreEqual(4, stream.AvailableBytes());
Assert.AreEqual(false, properties.Hyperlink.CanRemoveHyperlink);
Assert.AreEqual(false, properties.Hyperlink.InternalLink);
Assert.AreEqual("source\\001.jpg", properties.Hyperlink.Link);
Assert.AreEqual("1", properties.Hyperlink.Location);
Assert.AreEqual("", properties.Hyperlink.WorkingDirectory);
}
public void ReadBlockOiDib()
{
const int headerSize = 12;
// Stream with a named block header and some bytes for the dib
byte[] streamData =
{
// Named block header
79, 105, 68, 73, 66, 0, 0, 0, 4, 0, 0, 0,
// Dummy dib
0, 1, 2, 3,
// Extra bytes
1, 2, 3, 4
};
WangAnnotationProperties properties = new WangAnnotationProperties();
WangStream stream = new WangStream(streamData);
Assert.IsTrue(WangAnnotationsReader.ReadBlock(properties, stream, headerSize));
Assert.AreEqual(4, stream.AvailableBytes());
Assert.IsTrue(properties.HasDib);
Assert.AreEqual(4, properties.DibInfo.Length);
for (int index = 0; index < 4; index++)
{
Assert.AreEqual((byte)index, properties.DibInfo[index]);
}
}
public void ReadBlockOiFilNam()
{
const int headerSize = 12;
// Stream with a named block header and a file name
byte[] streamData =
{
// Named block header
79, 105, 70, 105, 108, 78, 97, 109,
61, 0, 0, 0,
// Character string for filename
67, 58, 92, 68, 111, 99, 117,
109, 101, 110, 116, 115, 32, 97,
110, 100, 32, 83, 101, 116, 116,
105, 110, 103, 115, 92, 65, 100,
109, 105, 110, 92, 68, 101, 115,
107, 116, 111, 112, 92, 87, 65,
78, 71, 92, 115, 111, 117, 114,
99, 101, 92, 48, 48, 49, 46,
98, 109, 112, 0, 0,
// Extra bytes
1, 2, 3, 4
};
WangAnnotationProperties properties = new WangAnnotationProperties();
WangStream stream = new WangStream(streamData);
Assert.IsTrue(WangAnnotationsReader.ReadBlock(properties, stream, headerSize));
Assert.AreEqual(4, stream.AvailableBytes());
Assert.AreEqual("C:\\Documents and Settings\\Admin\\Desktop\\WANG\\source\\001.bmp", properties.Filename);
}
public void ReadBlockOiHypLnkReadFailure()
{
const int headerSize = 12;
// Stream with a named block header and a display text too short
byte[] streamData =
{
// Named block header
79, 105, 72, 121, 112, 76, 110, 107,
12, 0, 0, 0,
// Too short display text
0, 0, 0, 0,
242, 2, 0, 0,
104, 1, 0, 0
};
WangAnnotationProperties properties = new WangAnnotationProperties();
WangStream stream = new WangStream(streamData);
Assert.IsFalse(WangAnnotationsReader.ReadBlock(properties, stream, headerSize));
}
public void ReadBlockReadFailure()
{
byte[] streamData =
{
79, 105, 71, 114, 111, 117, 112,
0, 11, 0, 0, 0
};
// The streamData is well formed.
// Just using a part of the data should cause an error to rise.
// Using the full data should cause an error as trailing information are expected.
for (int dataSize = 0; dataSize <= streamData.Length; dataSize++)
{
byte[] streamDataTooShort = new byte[dataSize];
Array.Copy(streamData, 0, streamDataTooShort, 0, dataSize);
WangAnnotationProperties properties = new WangAnnotationProperties();
WangStream stream = new WangStream(streamDataTooShort);
Assert.IsFalse(WangAnnotationsReader.ReadBlock(properties, stream, streamDataTooShort.Length));
}
}
public void ReadBlockOiAnTextReadFailure()
{
const int headerSize = 12;
// Stream with a named block header and a display text too short
byte[] streamData =
{
// Named block header
79, 105, 65, 110, 84, 101, 120, 116,
12, 0, 0, 0,
// Too short display text
0, 0, 0, 0,
242, 2, 0, 0,
104, 1, 0, 0
};
WangAnnotationProperties properties = new WangAnnotationProperties();
WangStream stream = new WangStream(streamData);
Assert.IsFalse(WangAnnotationsReader.ReadBlock(properties, stream, headerSize));
// Only the header should have been read as the rest is not there
Assert.AreEqual(streamData.Length - 12, stream.AvailableBytes());
}
public void ReadBlockOiIndex()
{
const int headerSize = 12;
// Stream with a named block header and a string for the index
byte[] streamData =
{
// Named block header
79, 105, 73, 110, 100, 101, 120, 0,
11, 0, 0, 0,
// Character string for filename
67, 58, 92, 68, 111, 99, 117,
109, 101, 110, 0,
// Extra bytes
1, 2, 3, 4
};
WangAnnotationProperties properties = new WangAnnotationProperties();
WangStream stream = new WangStream(streamData);
Assert.IsTrue(WangAnnotationsReader.ReadBlock(properties, stream, headerSize));
Assert.AreEqual(4, stream.AvailableBytes());
Assert.AreEqual("C:\\Documen", properties.OiIndex);
}