public void ConvertFrom_InvalidMacroStabilityInwardsTangentLineDeterminationType_ThrowsInvalidEnumArgumentException()
{
// Setup
const MacroStabilityInwardsTangentLineDeterminationType invalidValue = (MacroStabilityInwardsTangentLineDeterminationType)9999;
var converter = new ConfigurationTangentLineDeterminationTypeConverter();
// Call
TestDelegate call = () => converter.ConvertFrom(invalidValue);
// Assert
string expectedMessage = $"The value of argument 'value' ({invalidValue}) is invalid for Enum type '{nameof(MacroStabilityInwardsTangentLineDeterminationType)}'.";
string parameterName = TestHelper.AssertThrowsArgumentExceptionAndTestMessage <InvalidEnumArgumentException>(call, expectedMessage).ParamName;
Assert.AreEqual("value", parameterName);
}
/// <summary>
/// Create tangent lines based on the provided amount <paramref name="tangentLineNumber"/> and
/// range between <paramref name="tangentLineBottom"/> and <paramref name="tangentLineTop"/>
/// within the boundaries of the <paramref name="surfaceLine"/>.
/// </summary>
/// <param name="gridDeterminationType">The grid determination type.</param>
/// <param name="tangentLineDeterminationType">The tangent line determination type.</param>
/// <param name="tangentLineBottom">The bottom boundary for the tangent lines.</param>
/// <param name="tangentLineTop">The top boundary for the tangent lines.</param>
/// <param name="tangentLineNumber">The amount of tangent lines to display.</param>
/// <param name="surfaceLine">The surface line that determines the horizontal boundaries
/// of the tangent lines.</param>
/// <returns>A collection of collections of points in 2D space or an empty collection when:
/// <list type="bullet">
/// <item><paramref name="gridDeterminationType"/> is <see cref="MacroStabilityInwardsGridDeterminationType.Automatic"/>;</item>
/// <item><paramref name="tangentLineDeterminationType"/> is <see cref="MacroStabilityInwardsTangentLineDeterminationType.LayerSeparated"/>;</item>
/// <item><paramref name="surfaceLine"/> is <c>null</c>;</item>
/// <item><paramref name="tangentLineBottom"/> is <see cref="double.NaN"/> or infinity;</item>
/// <item><paramref name="tangentLineTop"/> is <see cref="double.NaN"/> or infinity.</item>
/// </list>
/// </returns>
public static IEnumerable <IEnumerable <Point2D> > CreateTangentLines(MacroStabilityInwardsGridDeterminationType gridDeterminationType,
MacroStabilityInwardsTangentLineDeterminationType tangentLineDeterminationType,
RoundedDouble tangentLineBottom,
RoundedDouble tangentLineTop,
int tangentLineNumber,
MacroStabilityInwardsSurfaceLine surfaceLine)
{
if (gridDeterminationType == MacroStabilityInwardsGridDeterminationType.Automatic ||
tangentLineDeterminationType == MacroStabilityInwardsTangentLineDeterminationType.LayerSeparated ||
double.IsNaN(tangentLineBottom) ||
double.IsInfinity(tangentLineBottom) ||
double.IsNaN(tangentLineTop) ||
double.IsInfinity(tangentLineTop))
{
return(Enumerable.Empty <IEnumerable <Point2D> >());
}
return(CreateTangentLines(GetInterPolatedVerticalPositions(tangentLineTop, tangentLineBottom, tangentLineNumber),
surfaceLine));
}
