public void IsRightTest_true()
{
//Arrange
Triangle_3s testTriangle_3s = new Triangle_3s();
double[] values = { 3, 4, 5 };
//Act /Assert
Assert.IsTrue(testTriangle_3s.isRightTriangle(values) == true);
}
public void IsRightTest_exception()
{
//Arrange
Triangle_3s testTriangle_3s = new Triangle_3s();
double[] values = { 3, 10, 5 };
//Act /Assert
var ex = Assert.Throws <ArgumentException>(() => testTriangle_3s.isRightTriangle(values));
Assert.That(ex.Message, Is.EqualTo("This is not a valid triangle"));
}