| _towards(Point2D, Point2D, double) |   | 94% | | 50% | 1 | 2 | 1 | 4 | 0 | 1 |
| _eroded(List, float) | | 100% | | 100% | 0 | 6 | 0 | 24 | 0 | 1 |
| _rounded(List, float, float) | | 100% | | 100% | 0 | 7 | 0 | 22 | 0 | 1 |
| _outlineOf(List) | | 100% | | 92% | 1 | 8 | 0 | 12 | 0 | 1 |
| _withoutStraightPoints(List) | | 100% | | 80% | 2 | 6 | 0 | 13 | 0 | 1 |
| _keepsEveryEdgeDirection(List, List) | | 100% | | 100% | 0 | 3 | 0 | 7 | 0 | 1 |
| _polygonsOf(Area) | | 100% | | 83% | 1 | 4 | 0 | 13 | 0 | 1 |
| _areaOf(List) | | 100% | | 100% | 0 | 3 | 0 | 8 | 0 | 1 |
| MergedSelection(List, float, float, float) | | 100% | | 100% | 0 | 2 | 0 | 9 | 0 | 1 |
| _signedArea(List) | | 100% | | 100% | 0 | 2 | 0 | 6 | 0 | 1 |
| of(List, float, float, float) | | 100% | | 100% | 0 | 6 | 0 | 6 | 0 | 1 |
| _largest(List) | | 100% | | 75% | 1 | 3 | 0 | 5 | 0 | 1 |
| _turn(Point2D, Point2D, Point2D) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| _inwardX(Point2D, Point2D, double) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| _inwardY(Point2D, Point2D, double) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| outline() | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| insideTheBorder() | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |