Test Cases for Triangle Problem – Testing the properties of a triangle is a fundamental aspect of geometry and math education. A triangle is a three-sided polygon that can be classified according to its angles or side lengths. In this article, we will discuss the different test cases that can be used to classify a triangle and ensure that its properties are being accurately represented.
Test Cases For Triangle
- Verify that the triangle is two dimensional or not.
- Verify that the triangle figure is closed(Polygon) or not.
- Verify that the triangle figure should be have three sides.
- Verify that the triangle figure should be have three vertices.
- Verify that the triangle figure should be have three angles.
- Verify that the sum of the angles is 180 degree.
- Verify that the triangle figure has minimum sides are three.
- Verify that the triangle figure has maximum sides are three.
- Verify that the triangle has three distinct and non-collinear points.
- Verify that sum of the interior angles of the triangle is equal to 180 degrees.
- Verify that the triangle is classified as acute, right, or obtuse based on its angle measures.
- Verify that the triangle is classified as equilateral, isosceles, or scalene based on its side lengths.
- Verify that the area of the triangle is correctly calculated using Heron’s formula or half the base times the height.
- Verify that the parameter of the triangle is correctly calculated as the sum of the side lengths.
- Verify that the triangle has special properties such as right triangle or isosceles triangle are correctly identified.
- Verify that the triangle is placed in a 2D space and the coordinates of its vertices are provided and are used to calculate the area and perimeter.
Negative Test Cases For triangle
- Verify that the sum of any two sides is not greater than the third side (violation of triangle inequality theorem)
- Verify that if there is not all three sides are provided
- Verify that if any of the three sides is not a finite number (e.g. NaN, infinity)
- Verify that any of the three sides is too large or too small to be a realistic side length of a triangle in the real world.
Conclusion
In conclusion, testing the properties of a triangle is an essential aspect of understanding and working with this fundamental geometric shape. By using the appropriate test cases, we can classify a triangle according to its angles and side lengths, and ensure that its properties are being accurately represented. By thoroughly testing the properties of a triangle, we can deepen our understanding of this shape and improve our ability to work with it in mathematical and geometric contexts.
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