Add new test class

src/test/java/net/minestom/server/coordinate/PointTest.java

@@ -0,0 +1,31 @@
+package net.minestom.server.coordinate;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class PointTest {
+
+    @Test
+    void testPosCenter2D() {
+        Pos pos = new Pos(1, 100, 10);
+        assertNotNull(pos);
+
+        Point centered = pos.center2D();
+        assertInstanceOf(Pos.class, centered);
+
+        assertNotNull(centered);
+        assertNotEquals(pos, centered);
+        assertEquals(1.5, centered.x());
+        assertEquals(10.5, centered.z());
+    }
+
+    @Test
+    void testVecCenter3D() {
+        Point centered3D = Vec.ZERO.center3D();
+        assertInstanceOf(Vec.class, centered3D);
+        assertEquals(0.5, centered3D.x());
+        assertEquals(0.5, centered3D.y());
+        assertEquals(0.5, centered3D.z());
+    }
+}