public void CompareTo_TransitiveDouble_ReturnsExpectedResult(double roundedDoubleValue, double value2,
double value3, int expectedValue)
{
// Setup
var roundedDouble1 = new RoundedDouble(1, roundedDoubleValue);
// Call
int roundedDoubleResult12 = roundedDouble1.CompareTo(value2);
int roundedDoubleResult23 = value2.CompareTo(value3);
int roundedDoubleResult13 = roundedDouble1.CompareTo(value3);
// Assert
Assert.AreEqual(expectedValue, roundedDoubleResult12);
Assert.AreEqual(expectedValue, roundedDoubleResult23);
Assert.AreEqual(expectedValue, roundedDoubleResult13);
}
public void CompareTo_Itself_ReturnsZero()
{
// Setup
var roundedDouble = new RoundedDouble(1, 10);
// Call
int result = roundedDouble.CompareTo(roundedDouble);
// Assert
Assert.AreEqual(0, result);
}
public void CompareTo_Object_ThrowsArgumentException()
{
// Setup
var roundedDouble = new RoundedDouble(1, 10);
// Call
TestDelegate call = () => roundedDouble.CompareTo(new object());
// Assert
TestHelper.AssertThrowsArgumentExceptionAndTestMessage <ArgumentException>(call, "Arg must be double or RoundedDouble");
}
public void CompareTo_Null_ReturnsExpectedResult()
{
// Setup
var roundedDouble = new RoundedDouble(1, 10);
// Call
int result = roundedDouble.CompareTo(null);
// Assert
Assert.AreEqual(1, result);
}
public void CompareTo_RoundedDoubleToDouble_ReturnsExpectedResult(double roundedDoubleValue, double value,
int expectedRoundedDoubleIndex)
{
// Setup
var roundedDouble = new RoundedDouble(1, roundedDoubleValue);
// Call
int roundedDoubleResult = roundedDouble.CompareTo(value);
int doubleResult = value.CompareTo(roundedDouble);
// Assert
Assert.AreEqual(expectedRoundedDoubleIndex, roundedDoubleResult);
Assert.AreEqual(-1 * expectedRoundedDoubleIndex, doubleResult);
}
public void CompareTo_RoundedDoubleToRoundedDouble_ReturnsExpectedResult(double roundedDoubleValue, double roundedDoubleValue2,
int expectedRoundedDoubleIndex)
{
// Setup
var roundedDouble1 = new RoundedDouble(1, roundedDoubleValue);
var roundedDouble2 = new RoundedDouble(1, roundedDoubleValue2);
// Call
int roundedDouble1Result = roundedDouble1.CompareTo(roundedDouble2);
int roundedDouble2Result = roundedDouble2.CompareTo(roundedDouble1);
// Assert
Assert.AreEqual(expectedRoundedDoubleIndex, roundedDouble1Result);
Assert.AreEqual(-1 * expectedRoundedDoubleIndex, roundedDouble2Result);
}