public void CannotBeGreaterThanFail(IComparable value, IComparable maxValue)
{
try
{
value.CannotBeGreaterThan(maxValue);
Assert.Fail();
}
catch (ArgumentNullException ex)
{
Assert.AreEqual("Value cannot be null.", ex.Message);
}
catch (ArgumentException ex)
{
Assert.AreEqual($"Value cannot be greater than {maxValue}.", ex.Message);
}
try
{
value.CannotBeGreaterThan(maxValue, () => throw new InvalidOperationException("Test."));
Assert.Fail();
}
catch (ArgumentNullException ex)
{
Assert.AreEqual("Value cannot be null.", ex.Message);
}
catch (InvalidOperationException ex)
{
Assert.AreEqual("Test.", ex.Message);
}
}
public void CannotBeGreaterThan(IComparable value, IComparable max)
{
Assert.AreSame(value, value.CannotBeGreaterThan(max));
}