public void ImplementsINumberArrayTotaler()
{
// Arrange
var totaler = new NumberArrayTotaler();
// Act
// Assert
Assert.IsTrue(totaler is INumberArrayTotaler);
}
public void TotalWithEmptyArrayReturnsZero()
{
// Arrange
var expected = 0;
var totaler = new NumberArrayTotaler();
// Act
var actual = totaler.Total(new string[] { });
// Assert
Assert.AreEqual(expected, actual);
}
public void TotalWithArrayContainingTwoAndThreeReturnsFive()
{
// Arrange
var expected = 5;
var totaler = new NumberArrayTotaler();
// Act
var actual = totaler.Total(new string[] { "2", "3" });
// Assert
Assert.AreEqual(expected, actual);
}
public void TotalWithArrayContainingOneAndTwoAndThreeAndFourReturnsTen()
{
// Arrange
var expected = 10;
var totaler = new NumberArrayTotaler();
// Act
var actual = totaler.Total(new string[] { "1", "2", "3", "4" });
// Assert
Assert.AreEqual(expected, actual);
}