public void Should_BoxValueProperly_When_SampleDataIsGiven()
{
//when
SimplexNumber actual = (SimplexNumber)3.4;
//than
StandardValueAndInfinityValueAreEqual(actual, 3.4, 0);
}
public void Should_CompareProperly_When_BoxingOneOfTheValues()
{
//given
SimplexNumber num = new SimplexNumber(-70.5, 1);
//than
AreEqual(true, num > (SimplexNumber)0);
}
public void Should_LessOrEqualCmpGiveTrue_WhenFirstNumbIsLessOrEqual()
{
//given
SimplexNumber num1 = new SimplexNumber(15, 4);
SimplexNumber num2 = new SimplexNumber(23, 4);
//than
AreEqual(true, num1 <= num2);
}
public void Should_GreaterCmpGiveTrue_WhenFirstNumbIsGreater()
{
//given
SimplexNumber num1 = new SimplexNumber(23, -2);
SimplexNumber num2 = new SimplexNumber(23, -3);
//than
AreEqual(true, num1 > num2);
}
public void Should_EqualityCmpGiveTrue_WhenSimplexNumbsAreEqual()
{
//given
SimplexNumber num1 = new SimplexNumber(23, -2);
SimplexNumber num2 = new SimplexNumber(23, -2);
//than
AreEqual(true, num1 == num2);
}
public void Should_CompareProperly_When_NoInfValIsGiven()
{
//given
SimplexNumber num1 = new SimplexNumber(-60);
SimplexNumber num2 = new SimplexNumber(-70);
//than
AreEqual(true, num1 > num2);
}
public void Should_CompareProperly_When_OneOfStdValIsZero()
{
//given
SimplexNumber num1 = new SimplexNumber(60, -1);
SimplexNumber num2 = new SimplexNumber(0);
//than
AreEqual(true, num1 < num2);
}
public void Should_ResultOfCmpBeFalse_When_ComparingSimplexNumberWithZero()
{
//given
SimplexNumber num = new SimplexNumber(-70.5, 1);
//than
//Result of comparison should be false,
//because SimplexNumber is casted to double,
//so the infinity value is lost
AreEqual(false, num > 0);
}
public void Should_AddInfinityAndStandardNumbers_When_ThereAreSimplexNumsWithBothValues()
{
//given
SimplexNumber num1 = new SimplexNumber(23, -2);
SimplexNumber num2 = new SimplexNumber(-3, -1);
//when
SimplexNumber actual = num1 + num2;
//than
StandardValueAndInfinityValueAreEqual(actual, 20.0, -3);
}
public void Should_PrintOnlyInfinity_When_StandardValueIsZero()
{
//given
SimplexNumber number = new SimplexNumber(0, 12);
//when
string actual = number.ToString();
string expected = "12M";
//than
AreEqual(expected, actual);
}
public void Should_DivideProperly_When_NoInfValIsGiven()
{
//given
SimplexNumber num1 = new SimplexNumber(20);
SimplexNumber num2 = new SimplexNumber(8);
//when
SimplexNumber actual = num1 / num2;
//than
StandardValueAndInfinityValueAreEqual(actual, 2.5, 0);
}
public void Should_MultiplyProperly_When_StdValIsZero()
{
//given
SimplexNumber num1 = new SimplexNumber(0, 1);
SimplexNumber num2 = new SimplexNumber(1);
//when
SimplexNumber actual = num1 * num2;
//than
StandardValueAndInfinityValueAreEqual(actual, 0, 1);
}
public void Should_GiveValidateDescription_When_ToStringIsCalled(int value)
{
//given
SimplexNumber number = new SimplexNumber(value, 2);
//when
string actual = number.ToString();
string expected = $"2M + {value}";
//than
AreEqual(expected, actual);
}
public void Should_AddProperly_When_ThereIsNegativeInf()
{
//given
SimplexNumber actual = new SimplexNumber(1);
SimplexNumber toAdd = new SimplexNumber(14, -1);
//when
actual += toAdd;
//than
StandardValueAndInfinityValueAreEqual(actual, 15, -1);
}
public void Should_AddProperly_When_InfinityValueIsEmpty()
{
//given
SimplexNumber actual = new SimplexNumber();
SimplexNumber toAdd = new SimplexNumber(14);
//when
actual += toAdd;
//than
StandardValueAndInfinityValueAreEqual(actual, 14, 0);
}
private void StandardValueAndInfinityValueAreEqual(SimplexNumber num, double expectedStdVal, int expectedInfVal)
{
AreEqual(num.StandardValue, expectedStdVal);
AreEqual(num.InfinityValue, expectedInfVal);
}