public void should_create_descriptor()
{
var expectedOutput = new BIFDescriptor();
expectedOutput.FileCount = 0x01;
expectedOutput.FileEntryOffset = 0x0A;
expectedOutput.TilesetCount = 0x02;
expectedOutput.TilesetEntryOffset = 0x0A + (sizeof(int) * 4);
var plugin = new BIFPlugin();
var descriptorBytes = new byte[]
{
0x01, 0x00, 0x00, 0x00, // File Count
0x02, 0x00, 0x00, 0x00, // Tile Count
0x0A, 0x00, 0x00, 0x00 // File Entry Offset
// Tile Entry calculated in method
};
var memoryStream = new MemoryStream(descriptorBytes);
var binaryReader = new BinaryReader(memoryStream);
var createDescriptorMethod = plugin.GetType().GetMethod("ReadDescriptor", BindingFlags.NonPublic | BindingFlags.Instance);
var result = createDescriptorMethod.Invoke(plugin, new object[] { binaryReader, 0 });
Assert.That(result, Is.EqualTo(expectedOutput));
}
private BIFDescriptor ReadDescriptor(BinaryReader reader, int descriptorOffset)
{
reader.BaseStream.Seek(descriptorOffset, SeekOrigin.Begin);
var descriptor = new BIFDescriptor();
descriptor.FileCount = reader.ReadInt32();
descriptor.TilesetCount = reader.ReadInt32();
descriptor.FileEntryOffset = reader.ReadInt32();
descriptor.TilesetEntryOffset = descriptor.FileEntryOffset + (descriptor.FileCount * FileEntrySize);
return descriptor;
}
public void should_create_file_entries()
{
var dummyEntry1 = new BIFFileEntry(0x1, 0x2, 0x3, 0x4, 0x5);
var dummyEntry2 = new BIFFileEntry(0x2, 0x5, 0x3, 0x4, 0x5);
var expectedOutput = new List<BIFFileEntry> { dummyEntry1, dummyEntry2 };
var plugin = new BIFPlugin();
var bifDescriptor = new BIFDescriptor();
bifDescriptor.FileCount = 2;
bifDescriptor.FileEntryOffset = 0;
var entriesBytes = new byte[]
{
// Entry 1
0x01, 0x00, 0x00, 0x00, // Locator int32
0x02, 0x00, 0x00, 0x00, // Offset int32
0x03, 0x00, 0x00, 0x00, // Size int32
0x04, 0x00, // Type int16
0x05, 0x00, // Unknown int16
// Entry 2
0x02, 0x00, 0x00, 0x00, // Locator int32
0x05, 0x00, 0x00, 0x00, // Offset int32
0x03, 0x00, 0x00, 0x00, // Size int32
0x04, 0x00, // Type int16
0x05, 0x00, // Unknown int16
};
var memoryStream = new MemoryStream(entriesBytes);
var binaryReader = new BinaryReader(memoryStream);
var createFileEntriesMethod = plugin.GetType().GetMethod("ReadFileEntries", BindingFlags.NonPublic | BindingFlags.Instance);
var result = createFileEntriesMethod.Invoke(plugin, new object[] { binaryReader, bifDescriptor });
Assert.That(result, Is.TypeOf(typeof(List<BIFFileEntry>)));
CollectionAssert.AreEquivalent((List<BIFFileEntry>)result, expectedOutput);
}
private IList<BIFTilesetEntry> ReadTileEntries(BinaryReader binaryReader, BIFDescriptor bifDescriptor)
{
binaryReader.BaseStream.Seek(bifDescriptor.TilesetEntryOffset, SeekOrigin.Begin);
return binaryReader.ReadStructs<BIFTilesetEntry>(bifDescriptor.TilesetCount);
}