public void ToString_WHERE_error_is_non_zero_SHOULD_output_percentage_with_error_to_one_decimal_place(double percentageValue1, double percentageValue2, double percentageValue3, string expected)
{
//arrange
var instance = new PercentageWithError(new List <double> {
percentageValue1, percentageValue2, percentageValue3
});
//act
var actual = instance.ToString();
//assert
Assert.That(actual, Is.EqualTo(expected));
}
public void ToString_WHERE_error_is_zero_SHOULD_output_percentage_without_error_with_all_decimal_places()
{
//arrange
const double percentage = 0.5816521131;
var instance = new PercentageWithError(new List <double> {
percentage, percentage, percentage
});
//act
var actual = instance.ToString();
//assert
Assert.That(actual, Is.EqualTo($"{percentage * 100}%"));
}
public void Constructor_list_of_percentages()
{
//arrange
var percentages = new List <double> {
0.562, 0.534, 0.581, 0.701, 0.498
};
//act
var actual = new PercentageWithError(percentages);
//assert
Assert.That(actual.Percentage, Is.EqualTo(0.5752));
Assert.That(actual.Error, Is.EqualTo(0.0688342).Within(0.0000001));
}
