public void ComputeArea_ThrowsExceptionIfNumberOfVerticesIsLesserThen3()
{
Mock<ICoordinateList> listM = new Mock<ICoordinateList>();
listM.SetupGet(l => l.Count).Returns(2);
Euclidean2DCalculator target = new Euclidean2DCalculator();
Assert.Throws<ArgumentException>(() => target.CalculateArea(listM.Object));
}
public void ComputeArea_ReturnsAreaOfConvexPolygon()
{
Coordinate[] coordinates = new Coordinate[] { new Coordinate(1, 1), new Coordinate(2, 0.5), new Coordinate(3, 1), new Coordinate(3, 2), new Coordinate(1, 2) };
double expectedArea = 2.5;
Mock<ICoordinateList> listM = new Mock<ICoordinateList>();
listM.SetupGet(list => list.Count).Returns(5);
listM.Setup(list => list[0]).Returns(coordinates[0]);
listM.Setup(list => list[1]).Returns(coordinates[1]);
listM.Setup(list => list[2]).Returns(coordinates[2]);
listM.Setup(list => list[3]).Returns(coordinates[3]);
listM.Setup(list => list[4]).Returns(coordinates[4]);
Euclidean2DCalculator target = new Euclidean2DCalculator();
double area = target.CalculateArea(listM.Object);
Assert.Equal(expectedArea, area);
}
public void ComputeArea_ReturnsCorrectAreaIfLastCoordinateIsSameAsFirst()
{
Coordinate[] coordinates = new Coordinate[] { new Coordinate(1, 1), new Coordinate(2, 0.5), new Coordinate(3, 1), new Coordinate(3, 2), new Coordinate(1, 2), new Coordinate(1, 1) };
double expectedArea = 2.5;
Mock<ICoordinateList> listM = new Mock<ICoordinateList>();
listM.SetupGet(list => list.Count).Returns(6);
listM.Setup(list => list[0]).Returns(coordinates[0]);
listM.Setup(list => list[1]).Returns(coordinates[1]);
listM.Setup(list => list[2]).Returns(coordinates[2]);
listM.Setup(list => list[3]).Returns(coordinates[3]);
listM.Setup(list => list[4]).Returns(coordinates[4]);
listM.Setup(list => list[5]).Returns(coordinates[5]);
Euclidean2DCalculator target = new Euclidean2DCalculator();
double area = target.CalculateArea(listM.Object);
Assert.Equal(expectedArea, area);
}
