public void Test_SubGridTreeBitMask_LeafExists_Negative() { var mask = new SubGridTreeBitMask(); for (int i = 0; i < 100; i++) { for (int j = 0; j < 100; j++) { int x = i * 10; int y = j * 10; mask.SetCell(x, y, true); } } for (int i = 0; i < 100; i++) { for (int j = 0; j < 100; j++) { int x = (i + 1) * 1000000; int y = (j + 1) * 1000000; mask.LeafExists(x, y).Should().BeFalse(); } } }