public void Create()
{
int width = 10;
int height = 10;
ushort bitCount = 1;
// Improper Bit Count throws
Assert.ThrowsException <Exception>(() => ImageHeader.Create(width, height, 3));
ImageHeader imageHeader;
imageHeader = ImageHeader.Create(width, height, bitCount);
Assert.AreEqual(ImageHeader.SizeInBytes, (int)imageHeader.headerSize);
Assert.AreEqual(width, imageHeader.width);
Assert.AreEqual(height, imageHeader.height);
Assert.AreEqual(ImageHeader.DefaultPlanes, imageHeader.planes);
Assert.AreEqual(bitCount, imageHeader.bitCount);
Assert.AreEqual(BmpCompression.Uncompressed, imageHeader.compression);
Assert.AreEqual(ImageHeader.DefaultImageSize, imageHeader.imageSize);
Assert.AreEqual(ImageHeader.DefaultXResolution, imageHeader.xResolution);
Assert.AreEqual(ImageHeader.DefaultYResolution, imageHeader.yResolution);
Assert.AreEqual(ImageHeader.DefaultUsedColorMapEntries, imageHeader.usedColorMapEntries);
Assert.AreEqual(ImageHeader.DefaultImportantColorCount, imageHeader.importantColorCount);
}
public void Equality()
{
ImageHeader imageHeader1 = ImageHeader.Create(1, 1, 1);
ImageHeader imageHeader2 = ImageHeader.Create(1, 1, 1);
Assert.IsTrue(imageHeader1 == imageHeader2);
Assert.IsFalse(imageHeader1 != imageHeader2);
imageHeader2.bitCount = 8;
Assert.IsFalse(imageHeader1 == imageHeader2);
Assert.IsTrue(imageHeader1 != imageHeader2);
}
public void Validate()
{
ImageHeader imageHeader = ImageHeader.Create(1, 1, 1);
imageHeader.Validate();
imageHeader.headerSize = ImageHeaderV4.SizeInBytes;
TestInvalidImageHeaderSize(imageHeader, "version 4");
imageHeader.headerSize = ImageHeaderV5.SizeInBytes;
TestInvalidImageHeaderSize(imageHeader, "version 5");
imageHeader.headerSize = 0;
TestInvalidImageHeaderSize(imageHeader, "Unknown");
imageHeader.headerSize = ImageHeader.SizeInBytes;
//imageHeader.headerSize = 0;
//Assert.ThrowsException<Exception>(() => imageHeader.Validate());
//imageHeader.headerSize = ImageHeader.SizeInBytes;
imageHeader.planes = 0;
Assert.ThrowsException <Exception>(() => imageHeader.Validate());
imageHeader.planes = ImageHeader.DefaultPlanes;
imageHeader.bitCount = 3;
Assert.ThrowsException <Exception>(() => imageHeader.Validate());
imageHeader.bitCount = 1;
imageHeader.usedColorMapEntries = 3;
Assert.ThrowsException <Exception>(() => imageHeader.Validate());
imageHeader.usedColorMapEntries = ImageHeader.DefaultUsedColorMapEntries;
imageHeader.importantColorCount = 3;
Assert.ThrowsException <Exception>(() => imageHeader.Validate());
imageHeader.importantColorCount = ImageHeader.DefaultImportantColorCount;
}
