public void PreDecrement_method_result_should_return_value_that_is_bigger_than_input_parameter()
{
//arrange
var logic = new Sample.Core.MathTurtle.SampleForDouble();
var inputParameter = 2;
//act
var result = logic.PreDecrement(inputParameter);
//assert
Assert.IsTrue(Math.Abs((result - inputParameter)) == 1);
}
public void PostDecrement_method_result_should_return_same_value_as_parameter_has()
{
//arrange
var logic = new Sample.Core.MathTurtle.SampleForDouble();
var inputParameter = 2;
//act
var result = logic.PostDecrement(inputParameter);
//assert
Assert.AreEqual(result, inputParameter);
}
public void Summ_method_result_should_be_positive_in_case_of_both_positive_input_parameters()
{
//arrange
var logic = new Sample.Core.MathTurtle.SampleForDouble();
var firstParameter = 10;
var secondParameter = 5;
//act
var result = logic.Summ(firstParameter, secondParameter);
//assert
Assert.IsTrue(result > 0);
}
public void Rem_method_result_should_return_0_if_both_parameters_are_even()
{
//arrange
var logic = new Sample.Core.MathTurtle.SampleForDouble();
var firstParameter = 20;
var secondParameter = 2;
//act
var result = logic.Rem(firstParameter, secondParameter);
//assert
Assert.AreEqual(result, 0);
}
public void Div_method_result_should_return_first_parameter_if_second_eq_one()
{
//arrange
var logic = new Sample.Core.MathTurtle.SampleForDouble();
var firstParameter = 10;
var secondParameter = 1;
//act
var result = logic.Div(firstParameter, secondParameter);
//assert
Assert.AreEqual(result, firstParameter);
}
public void Mul_method_result_should_be_even_when_both_parameters_are_even()
{
//arrange
var logic = new Sample.Core.MathTurtle.SampleForDouble();
var firstParameter = 20;
var secondParameter = 2;
//act
var result = logic.Mul(firstParameter, secondParameter);
//assert
Assert.IsTrue(result % 2 == 0);
}
public void Sub_method_result_should_be_positive_if_first_parameter_is_gt_then_second()
{
//arrange
var logic = new Sample.Core.MathTurtle.SampleForDouble();
var firstParameter = 10;
var secondParameter = 5;
//act
var result = logic.Sub(firstParameter, secondParameter);
//assert
Assert.IsTrue(result > 0);
}