From a9b9997d1462fe400f0aa62cc636a20fb2d5b2c6 Mon Sep 17 00:00:00 2001
From: Sean Clark <sclark94@myune.edu.au>
Date: Tue, 1 Aug 2023 13:53:10 +1000
Subject: [PATCH] Add unit tests for bugs
---
.../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..560f5c3 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 testBoxCompleteAlgorithm() {
+ DotsAndBoxesGrid grid = new DotsAndBoxesGrid(15, 8, 2);
+
+ assertFalse(grid.boxComplete(0, 0));
+ grid.drawVertical(0, 0, 1);
+ assertFalse(grid.boxComplete(0, 0));
+
+ assertFalse(grid.boxComplete(1, 0));
+ grid.drawVertical(1, 0, 1);
+ assertFalse(grid.boxComplete(1, 0));
+
+ assertFalse(grid.boxComplete(0, 0));
+ grid.drawHorizontal(0, 0, 1);
+ assertFalse(grid.boxComplete(0, 0));
+
+ assertFalse(grid.boxComplete(0, 1));
+ grid.drawHorizontal(0, 1, 1);
+ assertTrue(grid.boxComplete(0, 0));
+
+ assertFalse(grid.boxComplete(5, 5));
+ grid.drawHorizontal(5, 5, 1);
+ assertFalse(grid.boxComplete(5, 5));
+
+ assertFalse(grid.boxComplete(5, 6));
+ grid.drawHorizontal(5, 6, 1);
+ assertFalse(grid.boxComplete(5, 6));
+
+ assertFalse(grid.boxComplete(5, 5));
+ grid.drawVertical(5, 5, 1);
+ assertFalse(grid.boxComplete(5, 5));
+
+ assertFalse(grid.boxComplete(4, 5));
+ grid.drawVertical(6, 5, 1);
+ assertFalse(grid.boxComplete(6, 5));
+
+ assertTrue(grid.boxComplete(5, 5));
+ }
+
+ @Test
+ public void testDrawAlreadyDrawnLine() {
+ DotsAndBoxesGrid grid = new DotsAndBoxesGrid(2, 2, 2);
+
+ // Draw a line at (0, 0) and claim a box
+ grid.drawHorizontal(0, 0, 1);
+
+ // Try to draw the same line again, it should throw an IllegalStateException
+ assertThrows(IllegalStateException.class, () -> grid.drawHorizontal(0, 0, 1));
+
+ // Draw a vertical line at (0, 0) and claim a box
+ grid.drawVertical(0, 0, 1);
+
+ // Try to draw the same vertical line again, it should throw an IllegalStateException
+ assertThrows(IllegalStateException.class, () -> grid.drawVertical(0, 0, 1));
+ }
+
}
--
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