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updating tests
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@nullfx
nullfx committed Mar 24, 2023
1 parent 5360664 commit ac9f569
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Showing 3 changed files with 92 additions and 124 deletions.
174 changes: 90 additions & 84 deletions NullFX.CRC.Tests/CrcTests.cs
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Expand Up @@ -4,98 +4,104 @@
using FluentAssertions;

namespace NullFX.CRC.Tests {
public class CrcTests {
static byte[] buffer = new byte[] { 0x49, 0x74, 0x20, 0x69, 0x73, 0x20, 0x61, 0x20, 0x6D, 0x69, 0x73, 0x74, 0x61, 0x6B, 0x65, 0x20, 0x74, 0x6F, 0x20, 0x74, 0x68, 0x69, 0x6E, 0x6B, 0x20, 0x79, 0x6F, 0x75, 0x20, 0x63, 0x61, 0x6E, 0x20, 0x73, 0x6F, 0x6C, 0x76, 0x65, 0x20, 0x61, 0x6E, 0x79, 0x20, 0x6D, 0x61, 0x6A, 0x6F, 0x72, 0x20, 0x70, 0x72, 0x6F, 0x62, 0x6C, 0x65, 0x6D, 0x73, 0x20, 0x6A, 0x75, 0x73, 0x74, 0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x70, 0x6F, 0x74, 0x61, 0x74, 0x6F, 0x65, 0x73 };
[Theory]
[MemberData ( nameof ( Crc8TestData ) )]
public void PerformCrc8Tests<ExpectedChecksum> ( TestParameter<ExpectedChecksum> parameter ) {
var range = parameter.TestRange;
byte actual = 0;
if ( range == TestRange.All ) {
actual = Crc8.ComputeChecksum ( parameter.TestPayload );
} else {
actual = Crc8.ComputeChecksum ( parameter.TestPayload, range.Start, range.Length );
}
var expected = (byte)(object)parameter.ExpectedCrc;
$"0x{actual:X2}".Should ( ).Be ( $"0x{expected:X2}" );
}
public class CrcTests {
static byte[] buffer = new byte[] { 0x49, 0x74, 0x20, 0x69, 0x73, 0x20, 0x61, 0x20, 0x6D, 0x69, 0x73, 0x74, 0x61, 0x6B, 0x65, 0x20, 0x74, 0x6F, 0x20, 0x74, 0x68, 0x69, 0x6E, 0x6B, 0x20, 0x79, 0x6F, 0x75, 0x20, 0x63, 0x61, 0x6E, 0x20, 0x73, 0x6F, 0x6C, 0x76, 0x65, 0x20, 0x61, 0x6E, 0x79, 0x20, 0x6D, 0x61, 0x6A, 0x6F, 0x72, 0x20, 0x70, 0x72, 0x6F, 0x62, 0x6C, 0x65, 0x6D, 0x73, 0x20, 0x6A, 0x75, 0x73, 0x74, 0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x70, 0x6F, 0x74, 0x61, 0x74, 0x6F, 0x65, 0x73 };
[Theory]
[MemberData ( nameof ( Crc8TestData ) )]
public void PerformCrc8Tests<ExpectedChecksum> ( TestParameter<ExpectedChecksum> parameter ) {
var range = parameter.TestRange;
byte actual = 0;
var start = range.Start.Value;
var length = range.End.Value - range.Start.Value;
if ( range.Equals ( Range.All ) ) {
actual = Crc8.ComputeChecksum ( parameter.TestPayload );
} else {
actual = Crc8.ComputeChecksum ( parameter.TestPayload, start, length );
}
var expected = (byte)(object)parameter.ExpectedCrc;
$"0x{actual:X2}".Should ( ).Be ( $"0x{expected:X2}" );
}

[Theory]
[MemberData ( nameof ( Crc16TestData ) )]
public void PerformCrc16Tests<ExpectedChecksum> ( TestParameter<ExpectedChecksum> parameter ) {
var range = parameter.TestRange;
ushort actual = 0;
if ( range == TestRange.All ) {
actual = Crc16.ComputeChecksum ( parameter.Algorithm, parameter.TestPayload );
} else {
actual = Crc16.ComputeChecksum ( parameter.Algorithm, parameter.TestPayload, range.Start, range.Length );
}
var expected = (ushort)(object)parameter.ExpectedCrc;
$"0x{actual:X4}".Should ( ).Be ( $"0x{expected:X4}" );
}
[Theory]
[MemberData ( nameof ( Crc16TestData ) )]
public void PerformCrc16Tests<ExpectedChecksum> ( TestParameter<ExpectedChecksum> parameter ) {
var range = parameter.TestRange;
ushort actual = 0;
var start = range.Start.Value;
var length = range.End.Value - range.Start.Value;
if ( range.Equals ( Range.All ) ) {
actual = Crc16.ComputeChecksum ( parameter.Algorithm, parameter.TestPayload );
} else {
actual = Crc16.ComputeChecksum ( parameter.Algorithm, parameter.TestPayload, start, length );
}
var expected = (ushort)(object)parameter.ExpectedCrc;
$"0x{actual:X4}".Should ( ).Be ( $"0x{expected:X4}" );
}

[Theory]
[MemberData ( nameof ( Crc32TestData ) )]
public void PerformCrc32Tests<ExpectedChecksum> ( TestParameter<ExpectedChecksum> parameter ) {
var range = parameter.TestRange;
uint actual = 0;
if ( range == TestRange.All ) {
actual = Crc32.ComputeChecksum ( parameter.TestPayload );
} else {
actual = Crc32.ComputeChecksum ( parameter.TestPayload, range.Start, range.Length );
}
var expected = (uint)(object)parameter.ExpectedCrc;
$"0x{actual:X8}".Should ( ).Be ( $"0x{expected:X8}" );
}
[Theory]
[MemberData ( nameof ( Crc32TestData ) )]
public void PerformCrc32Tests<ExpectedChecksum> ( TestParameter<ExpectedChecksum> parameter ) {
var range = parameter.TestRange;
uint actual = 0;
var start = range.Start.Value;
var length = range.End.Value - range.Start.Value;
if ( range.Equals ( Range.All ) ) {
actual = Crc32.ComputeChecksum ( parameter.TestPayload );
} else {
actual = Crc32.ComputeChecksum ( parameter.TestPayload, start, length );
}
var expected = (uint)(object)parameter.ExpectedCrc;
$"0x{actual:X8}".Should ( ).Be ( $"0x{expected:X8}" );
}


public static IEnumerable<object[]> Crc8TestData ( ) {
yield return new object[] { new TestParameter<byte> ( buffer, TestRange.All, 0x49 ) { TestScenario = "CRC 8, Checksum of all bytes" } };
yield return new object[] { new TestParameter<byte> ( buffer, new TestRange ( 3, 11 ), 0x66 ) { TestScenario = "CRC 8, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<byte> ( buffer, new TestRange ( 9, 5 ), 0xB0 ) { TestScenario = "CRC 8, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<byte> ( buffer, new TestRange ( 70, 6 ), 0x63 ) { TestScenario = "CRC 8, Checksum of bytes 70-76" } };
}
public static IEnumerable<object[]> Crc8TestData ( ) {
yield return new object[] { new TestParameter<byte> ( buffer, .., 0x49 ) { TestScenario = "CRC 8, Checksum of all bytes" } };
yield return new object[] { new TestParameter<byte> ( buffer, 3..14, 0x66 ) { TestScenario = "CRC 8, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<byte> ( buffer, 9..14, 0xB0 ) { TestScenario = "CRC 8, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<byte> ( buffer, 70..76, 0x63 ) { TestScenario = "CRC 8, Checksum of bytes 70-76" } };
}

public static IEnumerable<object[]> Crc16TestData ( ) {
yield return new object[] { new TestParameter<ushort> ( buffer, TestRange.All, 0xFD78 ) { Algorithm = Crc16Algorithm.Standard ,TestScenario = "Standard CRC 16, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, TestRange.All, 0xF3C7 ) { Algorithm = Crc16Algorithm.Ccitt ,TestScenario = "CRC 16 CCITT, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, TestRange.All, 0x3ACE ) { Algorithm = Crc16Algorithm.CcittInitialValue0x1D0F ,TestScenario = "CRC 16 CCITT Initial Value: 0x1D0F, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, TestRange.All, 0x2237 ) { Algorithm = Crc16Algorithm.CcittInitialValue0xFFFF ,TestScenario = "CRC 16 CCITT Initial Value: 0xFFFF, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, TestRange.All, 0x97C0 ) { Algorithm = Crc16Algorithm.CcittKermit ,TestScenario = "CRC 16 CCITT Kermit, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, TestRange.All, 0x028B ) { Algorithm = Crc16Algorithm.Dnp ,TestScenario = "CRC 16 DNP, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, TestRange.All, 0x16E2 ) { Algorithm = Crc16Algorithm.Modbus ,TestScenario = "CRC 16 Modbus, Checksum of all bytes" } };
public static IEnumerable<object[]> Crc16TestData ( ) {
yield return new object[] { new TestParameter<ushort> ( buffer, .., 0xFD78 ) { Algorithm = Crc16Algorithm.Standard ,TestScenario = "Standard CRC 16, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, .., 0xF3C7 ) { Algorithm = Crc16Algorithm.Ccitt ,TestScenario = "CRC 16 CCITT, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, .., 0x3ACE ) { Algorithm = Crc16Algorithm.CcittInitialValue0x1D0F ,TestScenario = "CRC 16 CCITT Initial Value: 0x1D0F, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, .., 0x2237 ) { Algorithm = Crc16Algorithm.CcittInitialValue0xFFFF ,TestScenario = "CRC 16 CCITT Initial Value: 0xFFFF, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, .., 0x97C0 ) { Algorithm = Crc16Algorithm.CcittKermit ,TestScenario = "CRC 16 CCITT Kermit, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, .., 0x028B ) { Algorithm = Crc16Algorithm.Dnp ,TestScenario = "CRC 16 DNP, Checksum of all bytes" } };
yield return new object[] { new TestParameter<ushort> ( buffer, .., 0x16E2 ) { Algorithm = Crc16Algorithm.Modbus ,TestScenario = "CRC 16 Modbus, Checksum of all bytes" } };

yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 3, 11 ), 0x0B3B ) { Algorithm = Crc16Algorithm.Standard ,TestScenario = "Standard CRC 16, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 3, 11 ), 0x610B ) { Algorithm = Crc16Algorithm.Ccitt ,TestScenario = "CRC 16 CCITT, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 3, 11 ), 0x4907 ) { Algorithm = Crc16Algorithm.CcittInitialValue0x1D0F ,TestScenario = "CRC 16 CCITT Initial Value: 0x1D0F, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 3, 11 ), 0xB504 ) { Algorithm = Crc16Algorithm.CcittInitialValue0xFFFF ,TestScenario = "CRC 16 CCITT Initial Value: 0xFFFF, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 3, 11 ), 0x2495 ) { Algorithm = Crc16Algorithm.CcittKermit ,TestScenario = "CRC 16 CCITT Kermit, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 3, 11 ), 0x3E29 ) { Algorithm = Crc16Algorithm.Dnp ,TestScenario = "CRC 16 DNP, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 3, 11 ), 0xEF3D ) { Algorithm = Crc16Algorithm.Modbus ,TestScenario = "CRC 16 Modbus, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 3..14, 0x0B3B ) { Algorithm = Crc16Algorithm.Standard ,TestScenario = "Standard CRC 16, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 3..14, 0x610B ) { Algorithm = Crc16Algorithm.Ccitt ,TestScenario = "CRC 16 CCITT, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 3..14, 0x4907 ) { Algorithm = Crc16Algorithm.CcittInitialValue0x1D0F ,TestScenario = "CRC 16 CCITT Initial Value: 0x1D0F, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 3..14, 0xB504 ) { Algorithm = Crc16Algorithm.CcittInitialValue0xFFFF ,TestScenario = "CRC 16 CCITT Initial Value: 0xFFFF, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 3..14, 0x2495 ) { Algorithm = Crc16Algorithm.CcittKermit ,TestScenario = "CRC 16 CCITT Kermit, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 3..14, 0x3E29 ) { Algorithm = Crc16Algorithm.Dnp ,TestScenario = "CRC 16 DNP, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 3..14, 0xEF3D ) { Algorithm = Crc16Algorithm.Modbus ,TestScenario = "CRC 16 Modbus, Checksum of bytes 3-14" } };

yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 9, 5 ), 0xE86E ) { Algorithm = Crc16Algorithm.Standard ,TestScenario = "Standard CRC 16, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 9, 5 ), 0x8917 ) { Algorithm = Crc16Algorithm.Ccitt ,TestScenario = "CRC 16 CCITT, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 9, 5 ), 0x78D9 ) { Algorithm = Crc16Algorithm.CcittInitialValue0x1D0F ,TestScenario = "CRC 16 CCITT Initial Value: 0x1D0F, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 9, 5 ), 0x981B ) { Algorithm = Crc16Algorithm.CcittInitialValue0xFFFF ,TestScenario = "CRC 16 CCITT Initial Value: 0xFFFF, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 9, 5 ), 0xCDBE ) { Algorithm = Crc16Algorithm.CcittKermit ,TestScenario = "CRC 16 CCITT Kermit, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 9, 5 ), 0xF943 ) { Algorithm = Crc16Algorithm.Dnp ,TestScenario = "CRC 16 DNP, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 9, 5 ), 0xE84A ) { Algorithm = Crc16Algorithm.Modbus ,TestScenario = "CRC 16 Modbus, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 9..14, 0xE86E ) { Algorithm = Crc16Algorithm.Standard ,TestScenario = "Standard CRC 16, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 9..14, 0x8917 ) { Algorithm = Crc16Algorithm.Ccitt ,TestScenario = "CRC 16 CCITT, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 9..14, 0x78D9 ) { Algorithm = Crc16Algorithm.CcittInitialValue0x1D0F ,TestScenario = "CRC 16 CCITT Initial Value: 0x1D0F, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 9..14, 0x981B ) { Algorithm = Crc16Algorithm.CcittInitialValue0xFFFF ,TestScenario = "CRC 16 CCITT Initial Value: 0xFFFF, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 9..14, 0xCDBE ) { Algorithm = Crc16Algorithm.CcittKermit ,TestScenario = "CRC 16 CCITT Kermit, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 9..14, 0xF943 ) { Algorithm = Crc16Algorithm.Dnp ,TestScenario = "CRC 16 DNP, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 9..14, 0xE84A ) { Algorithm = Crc16Algorithm.Modbus ,TestScenario = "CRC 16 Modbus, Checksum of bytes 9-14" } };

yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 70, 6 ), 0x24F6 ) { Algorithm = Crc16Algorithm.Standard ,TestScenario = "Standard CRC 16, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 70, 6 ), 0x7545 ) { Algorithm = Crc16Algorithm.Ccitt ,TestScenario = "CRC 16 CCITT, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 70, 6 ), 0x447B ) { Algorithm = Crc16Algorithm.CcittInitialValue0x1D0F ,TestScenario = "CRC 16 CCITT Initial Value: 0x1D0F, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 70, 6 ), 0x7B55 ) { Algorithm = Crc16Algorithm.CcittInitialValue0xFFFF ,TestScenario = "CRC 16 CCITT Initial Value: 0xFFFF, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 70, 6 ), 0x4288 ) { Algorithm = Crc16Algorithm.CcittKermit ,TestScenario = "CRC 16 CCITT Kermit, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 70, 6 ), 0x5BE9 ) { Algorithm = Crc16Algorithm.Dnp ,TestScenario = "CRC 16 DNP, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, new TestRange ( 70, 6 ), 0x3FF6 ) { Algorithm = Crc16Algorithm.Modbus ,TestScenario = "CRC 16 Modbus, Checksum of bytes 70-76" } };
}
yield return new object[] { new TestParameter<ushort> ( buffer, 70..76, 0x24F6 ) { Algorithm = Crc16Algorithm.Standard ,TestScenario = "Standard CRC 16, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 70..76, 0x7545 ) { Algorithm = Crc16Algorithm.Ccitt ,TestScenario = "CRC 16 CCITT, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 70..76, 0x447B ) { Algorithm = Crc16Algorithm.CcittInitialValue0x1D0F ,TestScenario = "CRC 16 CCITT Initial Value: 0x1D0F, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 70..76, 0x7B55 ) { Algorithm = Crc16Algorithm.CcittInitialValue0xFFFF ,TestScenario = "CRC 16 CCITT Initial Value: 0xFFFF, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 70..76, 0x4288 ) { Algorithm = Crc16Algorithm.CcittKermit ,TestScenario = "CRC 16 CCITT Kermit, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 70..76, 0x5BE9 ) { Algorithm = Crc16Algorithm.Dnp ,TestScenario = "CRC 16 DNP, Checksum of bytes 70-76" } };
yield return new object[] { new TestParameter<ushort> ( buffer, 70..76, 0x3FF6 ) { Algorithm = Crc16Algorithm.Modbus ,TestScenario = "CRC 16 Modbus, Checksum of bytes 70-76" } };
}

public static IEnumerable<object[]> Crc32TestData ( ) {
yield return new object[] { new TestParameter<uint> ( buffer, TestRange.All, 0xCBE25E99 ) { TestScenario = "CRC 32, Checksum of all bytes" } };
yield return new object[] { new TestParameter<uint> ( buffer, new TestRange ( 3, 11 ), 0xA0D118A0 ) { TestScenario = "CRC 32, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<uint> ( buffer, new TestRange ( 9, 5 ), 0xDEF4CFE9 ) { TestScenario = "CRC 32, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<uint> ( buffer, new TestRange ( 70, 6 ), 0xF373B43B ) { TestScenario = "CRC 32, Checksum of bytes 70-76" } };
}
}
public static IEnumerable<object[]> Crc32TestData ( ) {
yield return new object[] { new TestParameter<uint> ( buffer, .., 0xCBE25E99 ) { TestScenario = "CRC 32, Checksum of all bytes" } };
yield return new object[] { new TestParameter<uint> ( buffer, 3..14, 0xA0D118A0 ) { TestScenario = "CRC 32, Checksum of bytes 3-14" } };
yield return new object[] { new TestParameter<uint> ( buffer, 9..14, 0xDEF4CFE9 ) { TestScenario = "CRC 32, Checksum of bytes 9-14" } };
yield return new object[] { new TestParameter<uint> ( buffer, 70..76, 0xF373B43B ) { TestScenario = "CRC 32, Checksum of bytes 70-76" } };
}
}
}

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