public void FNVConfig_GetPredefinedConfig_ExpectedValues_Work()
{
foreach (var expectedPredefinedConfig in _expectedPredefinedConfigs)
{
var fnvConfig = FNVConfig.GetPredefinedConfig(expectedPredefinedConfig.HashSizeInBits);
Assert.Equal(expectedPredefinedConfig.HashSizeInBits, fnvConfig.HashSizeInBits);
Assert.Equal(expectedPredefinedConfig.Prime, fnvConfig.Prime);
Assert.Equal(expectedPredefinedConfig.Offset, fnvConfig.Offset);
}
}
public void FNVConfig_GetPredefinedConfig_InvalidSizes_Throw()
{
var invalidHashSizes = new[] { 0, 1, 8, 16, 31, 33, 63, 65, 127, 255, 1023, 2048, 4096 };
foreach (var invalidHashSize in invalidHashSizes)
{
Assert.Equal(
"hashSizeInBits",
Assert.Throws <ArgumentOutOfRangeException>(
() => FNVConfig.GetPredefinedConfig(invalidHashSize))
.ParamName);
}
}
public void FNV1aFactory_Create_Config_Works()
{
var fnvConfig = FNVConfig.GetPredefinedConfig(32);
var fnv1aFactory = FNV1aFactory.Instance;
var fnv1a = fnv1aFactory.Create(fnvConfig);
Assert.NotNull(fnv1a);
Assert.IsType <FNV1a_Implementation>(fnv1a);
var resultingFNVConfig = fnv1a.Config;
Assert.Equal(fnvConfig.HashSizeInBits, resultingFNVConfig.HashSizeInBits);
Assert.Equal(fnvConfig.Prime, resultingFNVConfig.Prime);
Assert.Equal(fnvConfig.Offset, resultingFNVConfig.Offset);
}
public void FNV1Factory_Create_Works()
{
var defaultFNVConfig = FNVConfig.GetPredefinedConfig(64);
var fnv1Factory = FNV1Factory.Instance;
var fnv1 = fnv1Factory.Create();
Assert.NotNull(fnv1);
Assert.IsType <FNV1_Implementation>(fnv1);
var resultingFNVConfig = fnv1.Config;
Assert.Equal(defaultFNVConfig.HashSizeInBits, resultingFNVConfig.HashSizeInBits);
Assert.Equal(defaultFNVConfig.Prime, resultingFNVConfig.Prime);
Assert.Equal(defaultFNVConfig.Offset, resultingFNVConfig.Offset);
}
protected override IFNV1 CreateHashFunction(int hashSize) =>
new FNV1_Implementation(
FNVConfig.GetPredefinedConfig(hashSize));