CoordinateTest

src/test/java/coordinate/CoordinateTest.java

@@ -0,0 +1,82 @@
+package coordinate;
+
+import net.minestom.server.coordinate.Vec;
+import net.minestom.server.utils.chunk.ChunkUtils;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class CoordinateTest {
+
+    @Test
+    public void chunkIndex() {
+        var index = ChunkUtils.getChunkIndex(2, 5);
+        assertEquals(2, ChunkUtils.getChunkCoordX(index));
+        assertEquals(5, ChunkUtils.getChunkCoordZ(index));
+
+        index = ChunkUtils.getChunkIndex(-5, 25);
+        assertEquals(-5, ChunkUtils.getChunkCoordX(index));
+        assertEquals(25, ChunkUtils.getChunkCoordZ(index));
+
+        index = ChunkUtils.getChunkIndex(Integer.MAX_VALUE, Integer.MIN_VALUE);
+        assertEquals(Integer.MAX_VALUE, ChunkUtils.getChunkCoordX(index));
+        assertEquals(Integer.MIN_VALUE, ChunkUtils.getChunkCoordZ(index));
+    }
+
+    @Test
+    public void chunkCoordinate() {
+        assertEquals(1, ChunkUtils.getChunkCoordinate(16));
+        assertEquals(-1, ChunkUtils.getChunkCoordinate(-16));
+        assertEquals(3, ChunkUtils.getChunkCoordinate(48));
+    }
+
+    @Test
+    public void sectionCoordinate() {
+        assertEquals(4, ChunkUtils.getSectionAt(65));
+        assertEquals(4, ChunkUtils.getSectionAt(64));
+        assertEquals(3, ChunkUtils.getSectionAt(63));
+        assertEquals(-2, ChunkUtils.getSectionAt(-25));
+        assertEquals(23, ChunkUtils.getSectionAt(380));
+    }
+
+    @Test
+    public void vecAddition() {
+        Vec temp = Vec.ZERO;
+        assertEquals(0, temp.x());
+        assertEquals(0, temp.y());
+        assertEquals(0, temp.z());
+
+        temp = temp.add(1);
+        assertEquals(1, temp.x());
+        assertEquals(1, temp.y());
+        assertEquals(1, temp.z());
+
+        temp = temp.add(1, 0, 0);
+        assertEquals(2, temp.x());
+        assertEquals(1, temp.y());
+        assertEquals(1, temp.z());
+
+        temp = temp.add(0, 1, 0);
+        assertEquals(2, temp.x());
+        assertEquals(2, temp.y());
+        assertEquals(1, temp.z());
+
+        temp = temp.add(0, 0, 1);
+        assertEquals(2, temp.x());
+        assertEquals(2, temp.y());
+        assertEquals(2, temp.z());
+    }
+
+    @Test
+    public void vecWith() {
+        Vec temp = Vec.ZERO.withX(1);
+        assertEquals(1, temp.x());
+        assertEquals(0, temp.y());
+        assertEquals(0, temp.z());
+
+        temp = temp.withX(x -> x * 2 + 1);
+        assertEquals(3, temp.x());
+        assertEquals(0, temp.y());
+        assertEquals(0, temp.z());
+    }
+}