/// <summary>Throw ArgumentException if two specified fields are not equal.</summary><param name="field1">First field to compare.</param><param name="field2">Second field to compare.</param><param name="comparer">Arbiter of equality.</param><param name="callerName">Omit, filled by compiler.</param><typeparam name="T">Type of compared fields.</typeparam>
public static void AreEqual <T>(T field1, T field2, SCG.EqualityComparer <T> comparer,
[CallerMemberName] string callerName = "")
{
if (!comparer.Equals(field1, field2))
{
throw new ArgumentException($"Fields used inside {callerName} not equal.");
}
}
/// <summary>Makes sure a variable is not equal to specified value.</summary><param name="i">Variable.</param><param name="j">Value the variable should not be equal to.</param><param name="varName">Name of variable.</param><param name="remarks">Remarks appended to default exception report.</param><param name="varKind">Variable kind: local, field or property.</param><param name="callerName">Assigns compiler.</param>
public static void NotEquals <T>(ref T i, T j, SCG.EqualityComparer <T> comparer,
string varName = "N/A", string remarks = "", MemberKinds varKind = MemberKinds.Argument,
[CallerMemberName] string callerName = "")
{
if (!comparer.Equals(i, j))
{
string msg = varKind switch {
MemberKinds.Argument => $"Argument {nameof(T)} {varName} inside method call {callerName} should not be {j}. {remarks}",
MemberKinds.Field => $"Field {nameof(T)} {varName} inside {callerName} should not be {j}. {remarks}",
MemberKinds.LocalVar => $"Local variable {nameof(T)} {varName} inside {callerName} should not be {j}. {remarks}",
MemberKinds.Property => $"Property {nameof(T)} {varName} inside {callerName} should not be {j}. {remarks}",
_ => "A variable had a value it should not have had."
};
throw new Exception(msg);
}
}
