public void Substruct_InValidFirstParameter_ReturnNull()
{
//Arrange
ILoggerManager loggerManager = new FakeLoggerManager();
Calculator calculator = new Calculator(loggerManager);
//Act
var result = calculator.Substruct("sdf", "4");
//Assert
Assert.True(result == null);
}
public void Multiply_GoodParameters_ReturnMultiplyResult()
{
//Arrange
ILoggerManager loggerManager = new FakeLoggerManager();
Calculator calculator = new Calculator(loggerManager);
//Act
var result = calculator.Multiply("4", "7");
//Assert
Assert.True(result == 28);
}
public void Substruct_GoodParameters_ReturnSubstructResult()
{
//Arrange
ILoggerManager loggerManager = new FakeLoggerManager();
Calculator calculator = new Calculator(loggerManager);
//Act
var result = calculator.Substruct("44", "27");
//Assert
Assert.True(result == 17);
}
public void Divide_GoodParameters_ReturnDivideResult()
{
//Arrange
ILoggerManager loggerManager = new FakeLoggerManager();
Calculator calculator = new Calculator(loggerManager);
//Act
var result = calculator.Divide("8", "2");
//Assert
Assert.True(result == 4);
}
public void Add_GoodParameters_ReturnSum()
{
//Arrange
ILoggerManager loggerManager = new FakeLoggerManager();
Calculator calculator = new Calculator(loggerManager);
//Act
var result = calculator.Add("4", "7");
//Assert
Assert.True(result == 11);
}
public void Substruct_InValidSecondParameter_ThrowException()
{
//Arrange
ILoggerManager loggerManager = new FakeLoggerManager();
Calculator calculator = new Calculator(loggerManager);
//Act
var ex = Assert.Catch <Exception>(
() => calculator.Substruct("3", "ase"));
//Assert
StringAssert.Contains("Input string was ", ex.Message);
}
public void Divide_SecondParameterIsZero_ThrowDivideByZeroException()
{
//Arrange
ILoggerManager loggerManager = new FakeLoggerManager();
Calculator calculator = new Calculator(loggerManager);
//Act
var ex = Assert.Catch <DivideByZeroException>(
() => calculator.Divide("3", "0"));
//Assert
StringAssert.Contains("divide by zero", ex.Message);
}
