public virtual void CommonUsagePerfTest() { int NumRuns = 5; DataChecksum checksum = DataChecksum.NewDataChecksum(DataChecksum.Type.Crc32c, 512 ); int dataLength = 512 * 1024 * 1024; TestDataChecksum.Harness h = new TestDataChecksum.Harness(checksum, dataLength, true ); for (int i = 0; i < NumRuns; i++) { StopWatch s = new StopWatch().Start(); // calculate real checksum, make sure it passes checksum.CalculateChunkedSums(h.dataBuf, h.checksumBuf); s.Stop(); System.Console.Error.WriteLine("Calculate run #" + i + ": " + s.Now(TimeUnit.Microseconds ) + "us"); s = new StopWatch().Start(); // calculate real checksum, make sure it passes checksum.VerifyChunkedSums(h.dataBuf, h.checksumBuf, "fake file", 0); s.Stop(); System.Console.Error.WriteLine("Verify run #" + i + ": " + s.Now(TimeUnit.Microseconds ) + "us"); } }
public virtual void TestEquality() { Assert.Equal(DataChecksum.NewDataChecksum(DataChecksum.Type.Crc32 , 512), DataChecksum.NewDataChecksum(DataChecksum.Type.Crc32, 512)); NUnit.Framework.Assert.IsFalse(DataChecksum.NewDataChecksum(DataChecksum.Type.Crc32 , 512).Equals(DataChecksum.NewDataChecksum(DataChecksum.Type.Crc32, 1024))); NUnit.Framework.Assert.IsFalse(DataChecksum.NewDataChecksum(DataChecksum.Type.Crc32 , 512).Equals(DataChecksum.NewDataChecksum(DataChecksum.Type.Crc32c, 512))); }
public virtual void Setup() { Assume.AssumeTrue(NativeCrc32.IsAvailable()); Assert.Equal("These tests assume they can write a checksum value as a 4-byte int." , 4, checksumType.size); Configuration conf = new Configuration(); bytesPerChecksum = conf.GetInt(IoBytesPerChecksumKey, IoBytesPerChecksumDefault); fileName = this.GetType().Name; checksum = DataChecksum.NewDataChecksum(checksumType, bytesPerChecksum); }
public virtual void TestBulkOps() { foreach (DataChecksum.Type type in ChecksumTypes) { System.Console.Error.WriteLine("---- beginning tests with checksum type " + type + "----"); DataChecksum checksum = DataChecksum.NewDataChecksum(type, BytesPerChunk); foreach (bool useDirect in new bool[] { false, true }) { DoBulkTest(checksum, 1023, useDirect); DoBulkTest(checksum, 1024, useDirect); DoBulkTest(checksum, 1025, useDirect); } } }
public virtual void TestToString() { Assert.Equal("DataChecksum(type=CRC32, chunkSize=512)", DataChecksum .NewDataChecksum(DataChecksum.Type.Crc32, 512).ToString()); }