Add vLucky case to unit tests.

Author: Rollczi

src/test/java/dev/rollczi/liteindex/cases/TestCases.java

@@ -0,0 +1,39 @@
+package dev.rollczi.liteindex.cases;
+
+import dev.rollczi.liteindex.mock.Area;
+import dev.rollczi.liteindex.mock.Vector3d;
+import dev.rollczi.liteindex.space.SpaceIndex;
+import dev.rollczi.liteindex.space.indexing.IndexingAlgorithm;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
+
+class TestCases {
+
+    @Test
+    void vLuckyCase() {
+        SpaceIndex<Area, Vector3d> index = SpaceIndex.<Area, Vector3d>builder()
+                .axisX(vector3d -> vector3d.getX())
+                .axisZ(vector3d -> vector3d.getZ())
+                .axisY(vector3d -> vector3d.getY())
+                .space(area -> area.getMin(), area -> area.getMax())
+                .indexing(IndexingAlgorithm.calculateOptimal(10_000, 75))
+                .build();
+
+        Vector3d min = new Vector3d(823, 0, 917);
+        Vector3d max = new Vector3d(min.getX() + 21, 255, min.getZ() + 21);
+
+        Area area = new Area(min, max);
+
+        index.put(area);
+
+        List<Area> areas = index.get(new Vector3d(823, 134, 927));
+
+        assertThat(areas)
+                .hasSize(1)
+                .containsOnly(area);
+    }
+
+}