Exemplo n.º 1
0
        private void TestWadEntryDataHandleOperations(Wad wad)
        {
            foreach (WadEntry entry in wad.Entries.Values)
            {
                // Ignore file redirections
                if (entry.Type == WadEntryType.FileRedirection)
                {
                    return;
                }

                WadEntryDataHandle dataHandle             = entry.GetDataHandle();
                Stream             compressedDataStream   = null;
                Stream             decompressedDataStream = null;

                Assert.DoesNotThrow(delegate
                {
                    compressedDataStream = dataHandle.GetCompressedStream();
                }, "Failed to get compressed stream");

                Assert.DoesNotThrow(delegate
                {
                    decompressedDataStream = dataHandle.GetDecompressedStream();
                }, "Failed to get decompressed data stream");

                Assert.AreEqual((int)compressedDataStream.Length, entry.CompressedSize);
                Assert.AreEqual((int)decompressedDataStream.Length, entry.UncompressedSize);

                // Verify checksum
                if (entry.ChecksumType == WadEntryChecksumType.SHA256)
                {
                    using (SHA256 sha = SHA256.Create())
                    {
                        byte[] computedHash = sha.ComputeHash(compressedDataStream).Take(8).ToArray();

                        Assert.IsTrue(computedHash.SequenceEqual(entry.Checksum), $"Entry ({entry.XXHash}) SHA256 checksum does not match computed one");
                    }
                }
                else if (entry.ChecksumType == WadEntryChecksumType.XXHash3)
                {
                    byte[] compressedData = new byte[compressedDataStream.Length];

                    compressedDataStream.Seek(0, SeekOrigin.Begin);
                    compressedDataStream.Read(compressedData);

                    ulong  computedHash      = XXHash3.Hash64(compressedData);
                    byte[] computedHashBytes = BitConverter.GetBytes(computedHash);

                    Assert.IsTrue(computedHashBytes.SequenceEqual(entry.Checksum), $"Entry ({entry.XXHash}) XXHash3 checksum does not match computed one");
                }
            }
        }
Exemplo n.º 2
0
        private void TestWadEntryDataHandleOperations(Wad wad)
        {
            foreach (WadEntry entry in wad.Entries.Values)
            {
                // Ignore file redirections
                if (entry.Type == WadEntryType.FileRedirection)
                {
                    return;
                }

                WadEntryDataHandle dataHandle             = entry.GetDataHandle();
                Stream             comressedDataStream    = null;
                Stream             decompressedDataStream = null;

                Assert.DoesNotThrow(delegate
                {
                    comressedDataStream = dataHandle.GetCompressedStream();
                }, "Failed to get compressed stream");

                Assert.DoesNotThrow(delegate
                {
                    decompressedDataStream = dataHandle.GetDecompressedStream();
                }, "Failed to get decompressed data stream");

                Assert.AreEqual((int)comressedDataStream.Length, entry.CompressedSize);
                Assert.AreEqual((int)decompressedDataStream.Length, entry.UncompressedSize);

                // Verify SHA checksum
                using (SHA256 sha = SHA256.Create())
                {
                    byte[] computedHash = sha.ComputeHash(comressedDataStream).Take(8).ToArray();

                    Assert.IsTrue(computedHash.SequenceEqual(entry.SHA), $"Entry ({entry.XXHash}) checksum does not match computed one");
                }
            }
        }