public void FromString_ValidString_CorrectDecimals(string asString, int expectedDecimals)
{
// Arrange and act
var unitUnderTest = new LengthMetric().FromString(asString);
// Assert
Assert.That(unitUnderTest.Precision, Is.EqualTo(expectedDecimals));
}
public void FromString_ValidStringWithSpaces_CorrectUnitSubType(string asString, QuantityMetric.MetricPrefix expectedMetricPrefix)
{
// Act
var unitUnderTest = new LengthMetric().FromString(asString);
// Assert
Assert.That(unitUnderTest.UnitSubType, Is.EqualTo((ushort)expectedMetricPrefix));
}
public void FromString_validString_ValueConverted(string asString, double expectedValue)
{
// Arrange and act
var unitUnderTest = new LengthMetric().FromString(asString + "m");
// Assert
Assert.That(unitUnderTest.Value, Is.EqualTo(expectedValue));
}
public void FromString_ValidString_CorrectUnitType(string asString)
{
// Act
var unitUnderTest = new LengthMetric().FromString(asString);
// Assert
Assert.That(unitUnderTest.UnitType, Is.EqualTo((ushort)Length.LengthUnit.Metric));
}
public void FromString_ValidString_CorrectQuantityType()
{
// Act
var unitUnderTest = new LengthMetric().FromString("1 m");
// Assert
Assert.That(unitUnderTest.QuantityType, Is.EqualTo(QuantityType.Length));
}
public void SubtractQuantity_SameUnits_ExpectedResult(string valueA, string valueB, string expectedOutcome)
{
var test = new LengthMetric();
// Arrange
var quantityA = QuantityFactory.FromString(valueA);
var quantityB = QuantityFactory.FromString(valueB);
// Act
var actualResult = (quantityA - quantityB).ToString();
// Assert
Assert.That(actualResult, Is.EqualTo(expectedOutcome));
}
public void Constructor_InvalidDna_ThrowsException()
{
// Arrange
var invalidDna = new QuantityDna
{
QuantityType = QuantityType.Length,
UnitType = (ushort)Length.LengthUnit.Imperial,
UnitSubType = (ushort)QuantityMetric.MetricPrefix.Base,
Precision = 2
};
// Act and Assert
Assert.Throws <ArgumentException>(() =>
{
var unused = new LengthMetric(invalidDna, 21.09);
});
}
public void Constructor_WithValidDna_CreatesLengthMetric()
{
// Arrange
var validDna = new QuantityDna
{
QuantityType = QuantityType.Length,
UnitType = (ushort)Length.LengthUnit.Metric,
UnitSubType = (ushort)QuantityMetric.MetricPrefix.Base,
Precision = 2
};
// Act
var unitUnderTest = new LengthMetric(validDna, 21.09);
// Assert
Assert.That(unitUnderTest.ToString(), Is.EqualTo("21,09m"));
}