unit tests for dotboxComplete and redrawn line

src/test/java/dotsandboxes/DotsAndBoxesGridTest.java

@@ -8,24 +8,25 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 public class DotsAndBoxesGridTest {
-    /*
-     * Because Test classes are classes, they can have fields, and can have static fields.
-     * This field is a logger. Loggers are like a more advanced println, for writing messages out to the console or a log file.
-     */
+   
     private static final Logger logger = LogManager.getLogger(DotsAndBoxesGridTest.class);
 
-    /*
-     * Tests are functions that have an @Test annotation before them.
-     * The typical format of a test is that it contains some code that does something, and then one
-     * or more assertions to check that a condition holds.
-     *
-     * This is a dummy test just to show that the test suite itself runs
-     */
     @Test
-    public void testTestSuiteRuns() {
-        logger.info("Dummy test to show the test suite runs");
-        assertTrue(true);
+    public void testBoxComplete() {
+        logger.info("Test to show algorithm is wrong");
+
+        DotsAndBoxesGrid a = new DotsAndBoxesGrid(4,4,2);
+        assertTrue(a.boxComplete(0,0));
+
     }
 
-    // FIXME: You need to write tests for the two known bugs in the code.
+
+
+    @Test
+    public void testLineDrawn() {
+        logger.info("Test to show if line already drawn.");
+
+        DotsAndBoxesGrid b = new DotsAndBoxesGrid(4,4,2);
+        assertThrows(RuntimeException.class, () -> b.getHorizontal(0, 0));
+    }
 }
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