public void GetNumber_Returns_2xA_If_A_Is_In_Range_5_To_10() {
// Arrange
var mock = new Mock<ICalculator>();
mock.Setup(c => c.Multiply(It.IsAny<int>(), It.IsAny<int>()))
.Returns((int a, int b) => a * b);
var fakeCalculator = mock.Object;
var domain = new Domain(fakeCalculator);
var value = 5;
var expected = 10;
// Act
var result = domain.GetNumber(value);
// Assert
Assert.AreEqual(expected, result);
mock.Verify(calc => calc.Multiply(It.IsAny<int>(), It.IsAny<int>()), Times.Once());
}
public void GetNumber_Returns_Minus_A_if_A_is_less_than_5() {
// Arrange
var mock = new Mock<ICalculator>();
mock.Setup(c => c.Multiply(It.IsAny<int>(), It.IsAny<int>()))
.Returns((int a, int b) => a * b);
var fakeCalculator = mock.Object;
var domain = new Domain(fakeCalculator);
var value = 4;
var expected = -4;
// Act
var result = domain.GetNumber(value);
// Assert
Assert.AreEqual(expected, result);
mock.Verify(calc => calc.Multiply(It.IsAny<int>(), It.IsAny<int>()), Times.Once());
}