From 88c938c4fb3f80ef440e622d21de69e80fcc402e Mon Sep 17 00:00:00 2001
From: Scott Crooks <scrooks2@myune.edu.au>
Date: Thu, 1 Aug 2024 20:17:48 +1000
Subject: [PATCH] Implemented tests for boxComplete and drawVertical/Horizontal

---
 .../dotsandboxes/DotsAndBoxesGridTest.java    | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/src/test/java/dotsandboxes/DotsAndBoxesGridTest.java b/src/test/java/dotsandboxes/DotsAndBoxesGridTest.java
index 1946bed..ee51c59 100644
--- a/src/test/java/dotsandboxes/DotsAndBoxesGridTest.java
+++ b/src/test/java/dotsandboxes/DotsAndBoxesGridTest.java
@@ -28,4 +28,60 @@ public class DotsAndBoxesGridTest {
     }
 
     // FIXME: You need to write tests for the two known bugs in the code.
+    @Test
+    public void testBoxCompleteFull() {
+        DotsAndBoxesGrid grid = new DotsAndBoxesGrid(3, 3, 2);
+        grid.drawHorizontal(0, 0, 1);
+        grid.drawHorizontal(0, 1, 1);
+        grid.drawVertical(0, 0, 1);
+        grid.drawVertical(1, 0, 1);
+
+        assertTrue(grid.boxComplete(0, 0));
+    }
+
+    @Test
+    public void testBoxCompletePartial() {
+        DotsAndBoxesGrid grid = new DotsAndBoxesGrid(3, 3, 2);
+        grid.drawHorizontal(1, 1, 1);
+        grid.drawVertical(1, 1, 1);
+        grid.drawVertical(2, 1, 1);
+
+        assertFalse(grid.boxComplete(1, 1));
+    }
+
+    @Test
+    public void testDrawVerticalOnce() {
+        DotsAndBoxesGrid grid = new DotsAndBoxesGrid(3, 3, 2);
+        assertFalse(grid.drawVertical(1, 1, 1));
+    }
+
+    @Test
+    public void testVerticalCannotBeRedrawn() {
+        DotsAndBoxesGrid grid = new DotsAndBoxesGrid(3, 3, 2);
+        grid.drawVertical(1, 1, 1);
+
+        Exception exception = assertThrows(IllegalArgumentException.class, () -> {
+            grid.drawVertical(1, 1, 2);
+        });
+
+        assertTrue(exception instanceof IllegalArgumentException);
+    }
+
+    @Test
+    public void testDrawHorizontalOnce() {
+        DotsAndBoxesGrid grid = new DotsAndBoxesGrid(3, 3, 2);
+        assertFalse(grid.drawHorizontal(1, 1, 1));
+    }
+
+    @Test
+    public void testHorizontalCannotBeRedrawn() {
+        DotsAndBoxesGrid grid = new DotsAndBoxesGrid(3, 3, 2);
+        grid.drawHorizontal(1, 1, 1);
+
+        Exception exception = assertThrows(IllegalStateException.class, () -> {
+            grid.drawHorizontal(1, 1, 2);
+        });
+
+        assertTrue(exception instanceof IllegalArgumentException);
+    }
 }
-- 
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