public void CalculateChange_InValidData_ThrowsException()
{
// Arrange
const double amount = 10;
const double productPrice = 20;
// Act
var calculator = new ConsoleApp.ChangeCalculator();
// Assert
Assert.Throws <ArgumentException>(() => calculator.CalculateChange(amount, productPrice));
}
public void CalculateChange_ValidData_ReturnsCorrectly(double amount, double productPrice, Dictionary <double, int> expectedResult)
{
// Arrange
// Act
var calculator = new ConsoleApp.ChangeCalculator();
calculator.CalculateChange(amount, productPrice);
// Assert
var dict = calculator.GetChange();
Assert.NotNull(dict);
Assert.Equal(expectedResult.Count, dict.Count);
foreach (var item in dict)
{
Assert.Contains(item, expectedResult);
}
}
