public void IsInInterval_When_Argument_Exceeds_Max_Should_Throw_ArgumentException()
{
const int MAX_VALUE = 2;
var ex = Assert.Throws <ArgumentException>(
() => Invariant.IsInInterval(MAX_VALUE + 1, MAX_VALUE - 1, MAX_VALUE, PARAMETER_NAME));
Assert.AreEqual($"Argument '{PARAMETER_NAME}' must not be greater than {MAX_VALUE}.", ex.Message);
}
public void IsInInterval_When_Argument_Is_Less_Than_Min_Should_Throw_ArgumentException()
{
const int MIN_VALUE = 0;
var ex = Assert.Throws <ArgumentException>(
() => Invariant.IsInInterval(-1, MIN_VALUE, MIN_VALUE + 1, PARAMETER_NAME));
Assert.AreEqual($"Argument '{PARAMETER_NAME}' must not be less than {MIN_VALUE}.", ex.Message);
}
public void IsInInterval_When_Argument_Is_Equal_To_Max_Should_Not_Throw()
{
const int MAX_VALUE = 2;
Assert.DoesNotThrow(() => Invariant.IsInInterval(MAX_VALUE, MAX_VALUE - 1, MAX_VALUE, PARAMETER_NAME));
}
public void IsInInterval_When_Argument_Exceeds_Min_And_Is_Less_Than_Max_Should_Not_Throw()
{
const int MIN_VALUE = 0;
Assert.DoesNotThrow(() => Invariant.IsInInterval(MIN_VALUE + 1, MIN_VALUE, MIN_VALUE + 2, PARAMETER_NAME));
}
public void IsInInterval_When_Argument_Is_Equal_To_Min_Should_Not_Throw()
{
const int MIN_VALUE = 0;
Assert.DoesNotThrow(() => Invariant.IsInInterval(MIN_VALUE, MIN_VALUE, MIN_VALUE + 1, PARAMETER_NAME));
}
public void IsInInterval_When_Max_Exceeds_Than_Min_Should_Not_Throw()
{
Assert.DoesNotThrow(() => Invariant.IsInInterval(0, 0, 1, PARAMETER_NAME));
}
public void IsInInterval_When_Max_Is_Equal_To_Min_Should_Not_Throw()
{
Assert.DoesNotThrow(() => Invariant.IsInInterval(0, 0, 0, PARAMETER_NAME));
}
public void IsInInterval_When_Max_Is_Less_Than_Min_Should_Throw_InvalidOperationException()
{
var ex = Assert.Throws <InvalidOperationException>(() => Invariant.IsInInterval(0, 1, 0, PARAMETER_NAME));
Assert.AreEqual("Max must not be less than min.", ex.Message);
}
