Sudoku

src/test/java/puzzles/sudoku/rules/LastCellForNumberDirectRuleRegionTest.java

@@ -22,5 +22,60 @@ public static void setUp() {
         MockGameBoardFacade.getInstance();
         sudoku = new Sudoku();
     }
+    /*test ideas:
+    -basic test (based off icon)
+    -"staircase" test
+    -no possible test
+    -almost but not actually test
+    */
+    @Test
+    public void basicSpotTest() throws InvalidFileFormatException{
+        TestUtilities.importTestBoard(
+                "puzzles/sudoku/rules/LastCellForNumberDirectRule/OnePossible", sudoku
+                );
+        TreeNode rootNode = sudoku.getTree().getRootNode();
+        TreeTransition transition = rootNode.getChildren().get(0);
+        transition.setRule(RULE);
+
+        for(int i = 1; i <= 9; ++i) {
+            SudokuBoard board = (SudokuBoard) transition.getBoard();
+            SudokuCell cell = board.getCell(1,1);
+
+            cell.setData(i);
+            board.addModifiedData(cell);
+            if(i == 5) {
+                Assert.assertNull(RULE.checkRuleAt(transition, cell));
+            }
+            else {
+                Assert.assertNotNull(RULE.checkRuleAt(transition, cell));
+            }
+
+        }
+
+    }
+    @Test
+    public void staircaseTest() throws InvalidFileFormatException{
+        TestUtilities.importTestBoard(
+                "puzzles/sudoku/rules/LastCellForNumberDirectRule/StaircaseCase", sudoku
+        );
+        TreeNode rootNode = sudoku.getTree().getRootNode();
+        TreeTransition transition = rootNode.getChildren().get(0);
+        transition.setRule(RULE);
+
+        for(int i = 1; i <= 9; ++i) {
+            SudokuBoard board = (SudokuBoard) transition.getBoard();
+            SudokuCell cell = board.getCell(4,4);
+
+            cell.setData(i);
+            board.addModifiedData(cell);
+            if(i == 7) {
+                Assert.assertNull(RULE.checkRuleAt(transition, cell));
+            }
+            else {
+                Assert.assertNotNull(RULE.checkRuleAt(transition, cell));
+            }
+
+        }
+    }
 
 }

src/test/resources/puzzles/sudoku/rules/LastCellForNumberDirectRule/OnePossible

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<Legup>
+    <puzzle name="Sudoku">
+        <board size="9">
+            <cells>
+                <cell value="1" x="0" y="0"/>
+                <cell value="2" x="1" y="0"/>
+                <cell value="3" x="2" y="0"/>
+                <cell value="4" x="0" y="1"/>
+                <cell value="6" x="2" y="1"/>
+                <cell value="7" x="0" y="2"/>
+                <cell value="8" x="1" y="2"/>
+                <cell value="9" x="2" y="2"/>
+
+                <cell value="1" x="1" y="3"/>
+                <cell value="3" x="1" y="4"/>
+                <cell value="4" x="1" y="5"/>
+                <cell value="6" x="1" y="6"/>
+                <cell value="7" x="1" y="7"/>
+                <cell value="9" x="1" y="8"/>
+            </cells>
+        </board>
+    </puzzle>
+    <solved isSolved="false" lastSaved="--"/>
+</Legup>

src/test/resources/puzzles/sudoku/rules/LastCellForNumberDirectRule/StaircaseCase

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<Legup>
+    <puzzle name="Sudoku">
+        <board size="9">
+            <cells>
+                <cell value="7" x="0" y="0"/>
+                <cell value="7" x="1" y="3"/>
+                <cell value="7" x="2" y="6"/>
+                <cell value="7" x="3" y="1"/>
+                <cell value="7" x="5" y="7"/>
+                <cell value="7" x="6" y="2"/>
+                <cell value="7" x="7" y="5"/>
+                <cell value="7" x="8" y="8"/>
+            </cells>
+        </board>
+    </puzzle>
+    <solved isSolved="false" lastSaved="--"/>
+</Legup>