diff --git a/src/test/java/puzzles/starbattle/rules/BlackoutDirectRuleTest.java b/src/test/java/puzzles/starbattle/rules/BlackoutDirectRuleTest.java
index b87b88de5..d42f40c87 100644
--- a/src/test/java/puzzles/starbattle/rules/BlackoutDirectRuleTest.java
+++ b/src/test/java/puzzles/starbattle/rules/BlackoutDirectRuleTest.java
@@ -1,5 +1,9 @@
 package puzzles.starbattle.rules;
 
+import edu.rpi.legup.puzzle.nurikabe.Nurikabe;
+import edu.rpi.legup.puzzle.nurikabe.NurikabeBoard;
+import edu.rpi.legup.puzzle.nurikabe.NurikabeCell;
+import edu.rpi.legup.puzzle.nurikabe.NurikabeType;
 import legup.MockGameBoardFacade;
 import legup.TestUtilities;
 import edu.rpi.legup.model.tree.TreeNode;
@@ -15,5 +19,51 @@
 import edu.rpi.legup.puzzle.starbattle.rules.BlackoutDirectRule;
 import edu.rpi.legup.save.InvalidFileFormatException;
 
+import java.awt.*;
+
 public class BlackoutDirectRuleTest {
+
+    private static final BlackoutDirectRule RULE = new BlackoutDirectRule();
+    private static StarBattle starbattle;
+
+    @BeforeClass
+    public static void setUp() {
+        MockGameBoardFacade.getInstance();
+        starbattle = new StarBattle();
+    }
+
+    @Test
+    public void BlackoutDirectRuleTest_ColumnBlackout() throws InvalidFileFormatException {
+        TestUtilities.importTestBoard("puzzles/starbattle/rules/BlackoutDirectRule/ColumnBlackout", starbattle);
+        TreeNode rootNode = starbattle.getTree().getRootNode();
+        TreeTransition transition = rootNode.getChildren().get(0);
+        transition.setRule(RULE);
+
+        StarBattleBoard board = (StarBattleBoard) transition.getBoard();
+
+        StarBattleCell cell1 = board.getCell(1, 1);
+        cell1.setData(StarBattleCellType.BLACK.value);
+        StarBattleCell cell2 = board.getCell(1, 2);
+        cell2.setData(StarBattleCellType.BLACK.value);
+        StarBattleCell cell3 = board.getCell(1, 3);
+        cell3.setData(StarBattleCellType.BLACK.value);
+
+        board.addModifiedData(cell1);
+        board.addModifiedData(cell2);
+        board.addModifiedData(cell3);
+
+        Assert.assertNull(RULE.checkRule(transition));
+
+        for (int i = 0; i < board.getHeight(); i++) {
+            for (int k = 0; k < board.getWidth(); k++) {
+                Point point = new Point(k, i);
+                if (point.equals(cell1.getLocation()) || point.equals(cell2.getLocation()) || point.equals(cell3.getLocation())) {
+                    Assert.assertNull(RULE.checkRuleAt(transition, board.getCell(k, i)));
+                }
+                else {
+                    Assert.assertNotNull(RULE.checkRuleAt(transition, board.getCell(k, i)));
+                }
+            }
+        }
+    }
 }