public void FourBook_CostFirstTest()
{
// Arrange
GetCostTest sum = new GetCostTest();
// Act
string result = sum.NumberOfBooks(4);
// Assert
Assert.AreEqual("25.60", result);
}
public void OneBook_CostFirstTest()
{
// Arrange
GetCostTest sum = new GetCostTest();
// Act
string result = sum.NumberOfBooks(8.00);
// Assert
Assert.AreEqual("8.00", result);
}
public void TwoBook_CostFirstTest()
{
// Arrange
GetCostTest sum = new GetCostTest();
// Act
string result = sum.NumberOfBooks(2);
// Assert
Assert.AreEqual("15.20", result);
}
