public static void ReadTag_NoSubsequentData_ShouldPeekEndOfData(string hexEncoding) { byte[] data = hexEncoding.HexToByteArray(); var reader = new CborReader(data); reader.ReadTag(); Assert.Equal(CborReaderState.EndOfData, reader.PeekState()); }
public static void ReadTag_InvalidTypes_ShouldThrowInvalidOperationException(string hexEncoding) { byte[] encoding = hexEncoding.HexToByteArray(); var reader = new CborReader(encoding); Assert.Throws <InvalidOperationException>(() => reader.ReadTag()); Assert.Equal(encoding.Length, reader.BytesRemaining); }
public static void SkipValue_TaggedValue_HappyPath(string hexEncoding) { byte[] encoding = $"c2{hexEncoding}".HexToByteArray(); var reader = new CborReader(encoding); reader.ReadTag(); reader.SkipValue(); Assert.Equal(CborReaderState.Finished, reader.Peek()); }
public static void ReadTag_NestedTagWithMissingPayload_ShouldThrowFormatException() { byte[] data = "9fc2ff".HexToByteArray(); var reader = new CborReader(data); reader.ReadStartArray(); reader.ReadTag(); Assert.Equal(CborReaderState.FormatError, reader.Peek()); Assert.Throws <FormatException>(() => reader.ReadEndArray()); }
public static void ReadTag_CallingEndReadMapPrematurely_ShouldThrowInvalidOperationException(string hexEncoding) { // encoding is valid CBOR, so should not throw FormatException byte[] data = hexEncoding.HexToByteArray(); var reader = new CborReader(data); reader.ReadStartMap(); reader.ReadInt64(); reader.ReadTag(); Assert.Equal(CborReaderState.UnsignedInteger, reader.Peek()); Assert.Throws <InvalidOperationException>(() => reader.ReadEndArray()); }
public static void ReadTag_SingleValue_HappyPath(ulong expectedTag, object expectedValue, string hexEncoding) { byte[] encoding = hexEncoding.HexToByteArray(); var reader = new CborReader(encoding); Assert.Equal(CborReaderState.Tag, reader.PeekState()); CborTag tag = reader.ReadTag(); Assert.Equal(expectedTag, (ulong)tag); Helpers.VerifyValue(reader, expectedValue); Assert.Equal(CborReaderState.Finished, reader.PeekState()); }
public static void ReadTag_NestedTagWithMissingPayload_ShouldThrowFormatException() { byte[] encoding = "9fc2ff".HexToByteArray(); var reader = new CborReader(encoding); reader.ReadStartArray(); reader.ReadTag(); int bytesRemaining = reader.BytesRemaining; Assert.Equal(CborReaderState.FormatError, reader.PeekState()); Assert.Throws <FormatException>(() => reader.ReadEndArray()); Assert.Equal(bytesRemaining, reader.BytesRemaining); }
public static void ReadUnixTimeSeconds_InvalidFormat_ShouldRollbackToInitialState(string hexEncoding) { var reader = new CborReader(hexEncoding.HexToByteArray()); reader.ReadStartArray(); int bytesRead = reader.BytesRead; int bytesRemaining = reader.BytesRemaining; Assert.Throws <FormatException>(() => reader.ReadUnixTimeSeconds()); Assert.Equal(bytesRead, reader.BytesRead); Assert.Equal(bytesRemaining, reader.BytesRemaining); Assert.Equal(CborReaderState.Tag, reader.PeekState()); Assert.Equal(CborTag.UnixTimeSeconds, reader.ReadTag()); }
public static void ReadDecimal_InvalidTagPayload_ShouldRollbackToInitialState(string hexEncoding) { var reader = new CborReader(hexEncoding.HexToByteArray()); reader.ReadStartArray(); int bytesRead = reader.BytesRead; int bytesRemaining = reader.BytesRemaining; Assert.Throws <FormatException>(() => reader.ReadDecimal()); Assert.Equal(bytesRead, reader.BytesRead); Assert.Equal(bytesRemaining, reader.BytesRemaining); Assert.Equal(CborReaderState.Tag, reader.PeekState()); Assert.Equal(CborTag.DecimalFraction, reader.ReadTag()); }
public static void ReadTag_InvalidTypes_ShouldThrowInvalidOperationException(string hexEncoding) { byte[] data = hexEncoding.HexToByteArray(); var reader = new CborReader(data); InvalidOperationException exn = Assert.Throws <InvalidOperationException>(() => reader.ReadTag()); Assert.Equal("Data item major type mismatch.", exn.Message); }
public static void VerifyValue(CborReader reader, object expectedValue, bool expectDefiniteLengthCollections = true) { switch (expectedValue) { case null: Assert.Equal(CborReaderState.Null, reader.PeekState()); reader.ReadNull(); break; case bool expected: Assert.Equal(CborReaderState.Boolean, reader.PeekState()); bool b = reader.ReadBoolean(); Assert.Equal(expected, b); break; case int expected: VerifyPeekInteger(reader, isUnsignedInteger: expected >= 0); int i = reader.ReadInt32(); Assert.Equal(expected, i); break; case long expected: VerifyPeekInteger(reader, isUnsignedInteger: expected >= 0); long l = reader.ReadInt64(); Assert.Equal(expected, l); break; case ulong expected: VerifyPeekInteger(reader, isUnsignedInteger: true); ulong u = reader.ReadUInt64(); Assert.Equal(expected, u); break; case float expected: Assert.Equal(CborReaderState.SinglePrecisionFloat, reader.PeekState()); float f = reader.ReadSingle(); Assert.Equal(expected, f); break; case double expected: Assert.Equal(CborReaderState.DoublePrecisionFloat, reader.PeekState()); double d = reader.ReadDouble(); Assert.Equal(expected, d); break; case decimal expected: Assert.Equal(CborReaderState.Tag, reader.PeekState()); decimal dec = reader.ReadDecimal(); Assert.Equal(expected, dec); break; case BigInteger expected: Assert.Equal(CborReaderState.Tag, reader.PeekState()); BigInteger bigint = reader.ReadBigInteger(); Assert.Equal(expected, bigint); break; case DateTimeOffset expected: Assert.Equal(CborReaderState.Tag, reader.PeekState()); DateTimeOffset dto = reader.ReadDateTimeOffset(); Assert.Equal(expected, dto); break; case string expected: Assert.Equal(CborReaderState.TextString, reader.PeekState()); string s = reader.ReadTextString(); Assert.Equal(expected, s); break; case byte[] expected: Assert.Equal(CborReaderState.ByteString, reader.PeekState()); byte[] bytes = reader.ReadByteString(); Assert.Equal(expected.ByteArrayToHex(), bytes.ByteArrayToHex()); break; case string[] expectedChunks when CborWriterTests.Helpers.IsIndefiniteLengthByteString(expectedChunks): byte[][] expectedByteChunks = expectedChunks.Skip(1).Select(ch => ch.HexToByteArray()).ToArray(); VerifyValue(reader, expectedByteChunks, expectDefiniteLengthCollections); break; case string[] expectedChunks: Assert.Equal(CborReaderState.StartTextString, reader.PeekState()); reader.ReadStartTextStringIndefiniteLength(); foreach (string expectedChunk in expectedChunks) { Assert.Equal(CborReaderState.TextString, reader.PeekState()); string chunk = reader.ReadTextString(); Assert.Equal(expectedChunk, chunk); } Assert.Equal(CborReaderState.EndTextString, reader.PeekState()); reader.ReadEndTextStringIndefiniteLength(); break; case byte[][] expectedChunks: Assert.Equal(CborReaderState.StartByteString, reader.PeekState()); reader.ReadStartByteStringIndefiniteLength(); foreach (byte[] expectedChunk in expectedChunks) { Assert.Equal(CborReaderState.ByteString, reader.PeekState()); byte[] chunk = reader.ReadByteString(); Assert.Equal(expectedChunk.ByteArrayToHex(), chunk.ByteArrayToHex()); } Assert.Equal(CborReaderState.EndByteString, reader.PeekState()); reader.ReadEndByteStringIndefiniteLength(); break; case object[] nested when CborWriterTests.Helpers.IsCborMapRepresentation(nested): VerifyMap(reader, nested, expectDefiniteLengthCollections); break; case object[] nested when CborWriterTests.Helpers.IsEncodedValueRepresentation(nested): string expectedHexEncoding = (string)nested[1]; string actualHexEncoding = reader.ReadEncodedValue().ByteArrayToHex(); Assert.Equal(expectedHexEncoding, actualHexEncoding); break; case object[] nested when CborWriterTests.Helpers.IsTaggedValueRepresentation(nested): CborTag expectedTag = (CborTag)nested[0]; object expectedNestedValue = nested[1]; Assert.Equal(CborReaderState.Tag, reader.PeekState()); Assert.Equal(expectedTag, reader.ReadTag()); VerifyValue(reader, expectedNestedValue, expectDefiniteLengthCollections); break; case object[] nested: VerifyArray(reader, nested, expectDefiniteLengthCollections); break; default: throw new ArgumentException($"Unrecognized argument type {expectedValue.GetType()}"); }