public void TestLoadCompressedFileHeaders()
{
var loader = new ContainerFileLoader();
AnnoRDA.FileSystem fileSystem;
using (var context = new ContainerFileLoader.Context("dummy.rda", TestData.GetStream("FileHeaders/2.2_multiple_file_headers_compressed.bin"), false, new PassThroughFileHeaderTransformer())) {
var block = new AnnoRDA.FileEntities.BlockHeader()
{
Offset = context.Reader.StreamLength,
IsCompressed = true,
NumFiles = 2,
CompressedFileHeadersSize = context.Reader.StreamLength,
UncompressedFileHeadersSize = 1120,
};
loader.LoadFileHeaders(context, block);
fileSystem = context.FileSystem;
}
Assert.ContainsFile(fileSystem, new Assert.FileSpec("path", "to", "file1.txt")
{
DataOffset = 11111111,
CompressedFileSize = 36960,
UncompressedFileSize = 36960,
ModificationDate = new DateTime(2015, 11, 24, 21, 1, 21, DateTimeKind.Utc),
});
Assert.ContainsFile(fileSystem, new Assert.FileSpec("path", "to", "file2.txt")
{
DataOffset = 11148071,
CompressedFileSize = 36960,
UncompressedFileSize = 36960,
ModificationDate = new DateTime(2015, 11, 24, 21, 1, 22, DateTimeKind.Utc),
});
}
public void TestVerifyInvalidBlockHeader()
{
var block = new AnnoRDA.FileEntities.BlockHeader() {
Offset = 17,
IsCompressed = true,
NumFiles = 66,
CompressedFileHeadersSize = 8888,
UncompressedFileHeadersSize = 55555,
NextBlockOffset = 11111111,
};
System.Exception exception = Assert.Throws<AnnoRDA.FileFormatException>(() => {
this.verifier.VerifyBlockHeader(block);
});
Assert.Equal(new AnnoRDA.FileFormatException(AnnoRDA.FileFormatException.EntityType.BlockHeader, AnnoRDA.FileFormatException.Error.InvalidValue, 17, "The file headers size does not match the number of files."), exception);
block = new AnnoRDA.FileEntities.BlockHeader() {
Offset = 17,
IsCompressed = false,
NumFiles = 66,
CompressedFileHeadersSize = 8888,
UncompressedFileHeadersSize = 36960,
NextBlockOffset = 11111111,
};
exception = Assert.Throws<AnnoRDA.FileFormatException>(() => {
this.verifier.VerifyBlockHeader(block);
});
Assert.Equal(new AnnoRDA.FileFormatException(AnnoRDA.FileFormatException.EntityType.BlockHeader, AnnoRDA.FileFormatException.Error.InvalidValue, 17, "The compressed file headers size should match the uncompressed size when compression is disabled."), exception);
}
public void TestReadBlockHeader()
{
AnnoRDA.FileEntities.BlockHeader actual;
var data = new byte[] {
0xFF, 0xFF, 0xFF, // gibberish data before the block, will be skipped when reading
0x01, 0x00, 0x00, 0x00, // flags
0x42, 0x00, 0x00, 0x00, // number of files
0xB8, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressed file headers size
0x60, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // uncompressed file headers size
0xC7, 0x8A, 0xA9, 0x00, 0x00, 0x00, 0x00, 0x00, // next block offset
};
using (var reader = new ContainerFileLoaderReader(TestData.GetStream(data), false)) {
actual = reader.ReadBlockHeader(3);
}
var expected = new AnnoRDA.FileEntities.BlockHeader()
{
Offset = 3,
Flags = 1,
NumFiles = 66,
CompressedFileHeadersSize = 8888,
UncompressedFileHeadersSize = 36960,
NextBlockOffset = 11111111,
};
Assert.Equal(expected, actual);
}
public void TestVerifyValidBlockHeader()
{
var block = new AnnoRDA.FileEntities.BlockHeader() {
Offset = 36960 + 792,
IsCompressed = false,
NumFiles = 66,
CompressedFileHeadersSize = 36960,
UncompressedFileHeadersSize = 36960,
NextBlockOffset = 11111111,
};
this.verifier.VerifyBlockHeader(block);
var blockWithCompression = new AnnoRDA.FileEntities.BlockHeader() {
Offset = 8888 + 792,
IsCompressed = true,
NumFiles = 66,
CompressedFileHeadersSize = 8888,
UncompressedFileHeadersSize = 36960,
NextBlockOffset = 11111111,
};
this.verifier.VerifyBlockHeader(blockWithCompression);
}
