public void Should_VisitorIsConfirmedBeTrue_When_TriangleAcceptVisitorTheoremBackPythagorean()
{
var a = 3d;
var b = 4d;
var c = 5d;
var triangle = _figureFactoryfactory.CreateTriangle(a, b, c);
var pythagoreanTheorem = new VisitorTheoremBackPythagorean(1e-2);
triangle.Accept(pythagoreanTheorem);
Assert.IsTrue(pythagoreanTheorem.IsConfirmed);
}
public void Should_ReturnSameAreaWithGivenPrecision_When_TriangleGetAreaInvoked(double precision)
{
var a = _fixture.Create <double>();
var b = _fixture.Create <double>();
var c = (a + b) * 0.7; // a + b < c
var p = (a + b + c) / 2d;
var triangle = _figureFactoryfactory.CreateTriangle(a, b, c);
var expected = Math.Sqrt(p * (p - a) * (p - b) * (p - c));
var result = triangle.GetArea();
var diff = expected - result;
diff = diff * diff;
Assert.IsTrue(diff <= precision);
}
public void Should_CreateTriangleInstance_When_TriangleFactoryCreateTriangle()
{
var result = _figureFactoryfactory.CreateTriangle(It.IsAny <double>(), It.IsAny <double>(), It.IsAny <double>());
Assert.IsInstanceOfType(result, typeof(Triangle));
}
public void CreateTriangle_NormalEdges_Created(double a, double b, double c)
{
var triangle = _factory.CreateTriangle(a, b, c);
triangle.As <Triangle>().Should().NotBeNull();
}