public void TestEquilateralDetection()
{
//setup
int l0, l1, l2;
l0 = l1 = l2 = 5;
TriangleType expectedType = TriangleType.EQUILATERAL;
Triangle givenTriangle = new Triangle(l0, l1, l2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle with 3 equal length sides is always equilateral");
}
public void TestIsoscelesDetection()
{
//setup
int l0, l1, l2;
l0 = l1 = 5;
l2 = 3;
TriangleType expectedType = TriangleType.ISOSCELES;
Triangle givenTriangle = new Triangle(l0, l1, l2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle with 2 equal length sides is always isosceles");
}
public void TestRightDetection()
{
//setup
float a0, a1, a2;
a0 = 90.0f;
a1 = 45.0f;
a2 = 45.0f;
TriangleType expectedType = TriangleType.RIGHT;
Triangle givenTriangle = new Triangle(a0, a1, a2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle with 1 90 degrees angle is always right");
}
public void TestObtuseDetection()
{
//setup
float a0, a1, a2;
a0 = 100.0f;
a1 = 40.0f;
a2 = 40.0f;
TriangleType expectedType = TriangleType.OBTUSE;
Triangle givenTriangle = new Triangle(a0, a1, a2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle with 1 angle > 90 degrees is always obtuse");
}
public void TestAcuteDetection()
{
//setup
float a0, a1, a2;
a0 = 80.0f;
a1 = 50.0f;
a2 = 50.0f;
TriangleType expectedType = TriangleType.ACUTE;
Triangle givenTriangle = new Triangle(a0, a1, a2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle with no angle >= 90 degrees is always acute");
}
public void TestScaleneDetection()
{
//setup
int l0, l1, l2;
l0 = 2;
l1 = 4;
l2 = 3;
TriangleType expectedType = TriangleType.SCALENE;
Triangle givenTriangle = new Triangle(l0, l1, l2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle with no equal length sides is always scalene");
}
public void TestValidationZeroLengthSides()
{
//setup
int l0, l1, l2;
l0 = 0;
l1 = 5;
l2 = 3;
TriangleType expectedType = TriangleType.INVALID;
Triangle givenTriangle = new Triangle(l0, l1, l2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle cannot have a zero length side");
}
public void TestValidationTooMuchAngle()
{
//setup
float a0, a1, a2;
a0 = 91.0f;
a1 = 45.0f;
a2 = 45.0f;
TriangleType expectedType = TriangleType.INVALID;
Triangle givenTriangle = new Triangle(a0, a1, a2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle cannot have a total of all angles greater than 180 degrees");
}
public void TestValidationShortSide()
{
//setup
int l0, l1, l2;
l0 = 9;
l1 = 5;
l2 = 3;
TriangleType expectedType = TriangleType.INVALID;
Triangle givenTriangle = new Triangle(l0, l1, l2);
//execute
TriangleType actualType = new Classifier().Classify(givenTriangle);
//assert
Assert.AreEqual(expectedType, actualType, "A triangle's longest side cannot be longer than the sum of the two shorter sides");
}