Start first Clashing Orbit contradiction rule test

src/test/java/puzzles/starbattle/rules/ClashingOrbitContradictionRuleTest.java

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+package puzzles.starbattle.rules;
+
+import edu.rpi.legup.puzzle.nurikabe.NurikabeBoard;
+import edu.rpi.legup.puzzle.starbattle.rules.ClashingOrbitContradictionRule;
+import edu.rpi.legup.model.tree.TreeNode;
+import edu.rpi.legup.model.tree.TreeTransition;
+import edu.rpi.legup.puzzle.starbattle.StarBattle;
+import edu.rpi.legup.puzzle.starbattle.StarBattleBoard;
+import edu.rpi.legup.puzzle.starbattle.StarBattleCell;
+import edu.rpi.legup.puzzle.starbattle.StarBattleCellType;
+import edu.rpi.legup.save.InvalidFileFormatException;
+import java.awt.*;
+import legup.MockGameBoardFacade;
+import legup.TestUtilities;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class ClashingOrbitContradictionRuleTest {
+
+    private static final ClashingOrbitContradictionRule RULE = new ClashingOrbitContradictionRule();
+    private static StarBattle starBattle;
+
+    @BeforeClass
+    public static void setUp() {
+        MockGameBoardFacade.getInstance();
+        starBattle = new StarBattle();
+    }
+
+    /*Tests the Clashing Orbit contradiction rule*/
+    @Test
+    public void ClashingOrbitContradictionRule_DirectlyAdjacentCenter()
+        throws InvalidFileFormatException
+    {
+        TestUtilities.importTestBoard("puzzles/starbattle.rules/ClashingOrbitContradictionRule/DirectlyAdjacentCenter", 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);
+        StarBattleCell cell2 = board.getCell(2,1);
+
+        Assert.assertNull(RULE.checkContradiction((StarBattleBoard) transition.getBoard()));
+
+        for (int i = 0; i < board.getHeight(); ++i) {
+            for (int j = 0; j < board.getWidth(); ++j) {
+                Point point = new Point(j,i);
+                if (point.equals(cell1.getLocation()) || point.equals(cell2.getLocation())) {
+                    Assert.assertNull(RULE.checkRuleAt(transition, board.getCell(j, i)));
+                }
+                else {
+                    Assert.assertNotNull(RULE.checkRuleAt(transition, board.getCell(j, i)));
+                }
+            }
+        }
+    }
+}

src/test/resources/puzzles/starbattle.rules/ClashingOrbitContradictionRule/DirectlyAdjacentCenter

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+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Legup version="2.0.0">
+    <puzzle name="StarBattle">
+        <board size="4" puzzle_num="1">
+            <region>
+                <cells>
+                    <cell value="0" x="0" y="2">
+                    <cell value="0" x="1" y="2">
+                    <cell value="0" x="0" y="3">
+                    <cell value="0" x="1" y="3">
+                </cells>
+            </region>
+            <region>
+                <cells>
+                    <cell value="0" x="2" y="2">
+                    <cell value="0" x="3" y="2">
+                    <cell value="0" x="2" y="3">
+                    <cell value="0" x="3" y="3">
+                </cells>
+            </region>
+            <region>
+                <cells>
+                    <cell value="0" x="0" y="0">
+                    <cell value="0" x="1" y="0">
+                    <cell value="0" x="0" y="1">
+                    <cell value="-2" x="1" y="1">
+                </cells>
+            </region>
+            <region>
+                <cells>
+                    <cell value="0" x="2" y="0">
+                    <cell value="0" x="3" y="0">
+                    <cell value="-2" x="2" y="1">
+                    <cell value="0" x="3" y="1">
+                </cells>
+            </region>
+        </board>
+    </puzzle>
+    <solved isSolved="false" lastSaved="--"/>
+</Legup>