public void TestOutput_RelativeTolerances(bool treatNullsAsZero, double relativeTolerance, double?expected, double?actual, double?difference)
{
var plugin = new DoubleComparerPlugin
{
RelativeTolerance = relativeTolerance,
ToleranceModes = FloatingPointToleranceModes.RelativeTolerance,
TreatMissingValuesAsZero = treatNullsAsZero
};
this.PerformTest(plugin, expected, actual, difference);
this.PerformTest(plugin, actual, expected, difference.HasValue ? (double?)(0 - difference.Value) : null);
}
private void PerformTest(DoubleComparerPlugin plugin, double?expected, double?actual, double?difference)
{
var output = plugin.TryCompare("key",
expected.HasValue ? (object)expected.Value : null,
actual.HasValue ? (object)actual.Value : null);
if (difference.HasValue)
{
Assert.Equal(ComparisonResultType.Different, output.ComparisonResultType);
Assert.Equal(difference.Value, output.Payload);
}
else
{
Assert.Equal(ComparisonResultType.Equal, output.ComparisonResultType);
}
}