diff --git a/build/test/cache/test_duellist_spielesammlung_projekt.c b/build/test/cache/test_duellist_spielesammlung_projekt.c
index 0870ec5..e0df2e2 100644
--- a/build/test/cache/test_duellist_spielesammlung_projekt.c
+++ b/build/test/cache/test_duellist_spielesammlung_projekt.c
@@ -867,3 +867,99 @@ void test_calculate_mines_HeightWidthAgan(void)
    ), (UNITY_UINT)(381), UNITY_DISPLAY_STYLE_INT);
 
 }
+
+
+
+void test_calculate_mines_HeightWidthRoundUp(void)
+
+{
+
+
+
+    int height = 3;
+
+    int width = 5;
+
+    int expected = 3;
+
+
+
+
+
+    int result = calculate_mines(height, width);
+
+
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((expected)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(395), UNITY_DISPLAY_STYLE_INT);
+
+}
+
+
+
+void test_calculate_mines_HeightWidthNoRound(void)
+
+{
+
+
+
+    int height = 9;
+
+    int width = 9;
+
+    int expected = 20;
+
+
+
+
+
+    int result = calculate_mines(height, width);
+
+
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((expected)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(409), UNITY_DISPLAY_STYLE_INT);
+
+}
+
+
+
+void test_calculate_mines_HeightWidthFinal(void)
+
+{
+
+
+
+    int height = 7;
+
+    int width = 7;
+
+    int expected = 12;
+
+
+
+
+
+    int result = calculate_mines(height, width);
+
+
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((expected)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(423), UNITY_DISPLAY_STYLE_INT);
+
+}
diff --git a/build/test/out/c/duellist-spielesammlung-projekt.o b/build/test/out/c/duellist-spielesammlung-projekt.o
index c49dce1..92e7243 100644
Binary files a/build/test/out/c/duellist-spielesammlung-projekt.o and b/build/test/out/c/duellist-spielesammlung-projekt.o differ
diff --git a/build/test/out/c/test_duellist_spielesammlung_projekt.o b/build/test/out/c/test_duellist_spielesammlung_projekt.o
index 9e88f1f..b07ba5a 100644
Binary files a/build/test/out/c/test_duellist_spielesammlung_projekt.o and b/build/test/out/c/test_duellist_spielesammlung_projekt.o differ
diff --git a/build/test/out/c/test_duellist_spielesammlung_projekt_runner.o b/build/test/out/c/test_duellist_spielesammlung_projekt_runner.o
index 953d272..9fe71df 100644
Binary files a/build/test/out/c/test_duellist_spielesammlung_projekt_runner.o and b/build/test/out/c/test_duellist_spielesammlung_projekt_runner.o differ
diff --git a/build/test/out/test_duellist_spielesammlung_projekt.out b/build/test/out/test_duellist_spielesammlung_projekt.out
index 5b310fa..6067fa9 100644
Binary files a/build/test/out/test_duellist_spielesammlung_projekt.out and b/build/test/out/test_duellist_spielesammlung_projekt.out differ
diff --git a/build/test/preprocess/files/test_duellist_spielesammlung_projekt.c b/build/test/preprocess/files/test_duellist_spielesammlung_projekt.c
index 0870ec5..e0df2e2 100644
--- a/build/test/preprocess/files/test_duellist_spielesammlung_projekt.c
+++ b/build/test/preprocess/files/test_duellist_spielesammlung_projekt.c
@@ -867,3 +867,99 @@ void test_calculate_mines_HeightWidthAgan(void)
    ), (UNITY_UINT)(381), UNITY_DISPLAY_STYLE_INT);
 
 }
+
+
+
+void test_calculate_mines_HeightWidthRoundUp(void)
+
+{
+
+
+
+    int height = 3;
+
+    int width = 5;
+
+    int expected = 3;
+
+
+
+
+
+    int result = calculate_mines(height, width);
+
+
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((expected)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(395), UNITY_DISPLAY_STYLE_INT);
+
+}
+
+
+
+void test_calculate_mines_HeightWidthNoRound(void)
+
+{
+
+
+
+    int height = 9;
+
+    int width = 9;
+
+    int expected = 20;
+
+
+
+
+
+    int result = calculate_mines(height, width);
+
+
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((expected)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(409), UNITY_DISPLAY_STYLE_INT);
+
+}
+
+
+
+void test_calculate_mines_HeightWidthFinal(void)
+
+{
+
+
+
+    int height = 7;
+
+    int width = 7;
+
+    int expected = 12;
+
+
+
+
+
+    int result = calculate_mines(height, width);
+
+
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((expected)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(423), UNITY_DISPLAY_STYLE_INT);
+
+}
diff --git a/build/test/results/test_duellist_spielesammlung_projekt.pass b/build/test/results/test_duellist_spielesammlung_projekt.pass
index 32b3be9..acce313 100644
--- a/build/test/results/test_duellist_spielesammlung_projekt.pass
+++ b/build/test/results/test_duellist_spielesammlung_projekt.pass
@@ -107,12 +107,24 @@
   :line: 370
   :message: ''
   :unity_test_time: 0
+- :test: test_calculate_mines_HeightWidthRoundUp
+  :line: 384
+  :message: ''
+  :unity_test_time: 0
+- :test: test_calculate_mines_HeightWidthNoRound
+  :line: 398
+  :message: ''
+  :unity_test_time: 0
+- :test: test_calculate_mines_HeightWidthFinal
+  :line: 412
+  :message: ''
+  :unity_test_time: 0
 :failures: []
 :ignores: []
 :counts:
-  :total: 26
-  :passed: 26
+  :total: 29
+  :passed: 29
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.05030940000051487
+:time: 0.05077199999959703
diff --git a/build/test/runners/test_duellist_spielesammlung_projekt_runner.c b/build/test/runners/test_duellist_spielesammlung_projekt_runner.c
index bbd4739..3817293 100644
--- a/build/test/runners/test_duellist_spielesammlung_projekt_runner.c
+++ b/build/test/runners/test_duellist_spielesammlung_projekt_runner.c
@@ -36,6 +36,9 @@ extern void test_create_minefield_NegativeDimensions(void);
 extern void test_calculate_mines_HeightZero(void);
 extern void test_calculate_mines_HeightWidthNumber(void);
 extern void test_calculate_mines_HeightWidthAgan(void);
+extern void test_calculate_mines_HeightWidthRoundUp(void);
+extern void test_calculate_mines_HeightWidthNoRound(void);
+extern void test_calculate_mines_HeightWidthFinal(void);
 
 
 /*=======Mock Management=====*/
@@ -126,6 +129,9 @@ int main(void)
   run_test(test_calculate_mines_HeightZero, "test_calculate_mines_HeightZero", 342);
   run_test(test_calculate_mines_HeightWidthNumber, "test_calculate_mines_HeightWidthNumber", 356);
   run_test(test_calculate_mines_HeightWidthAgan, "test_calculate_mines_HeightWidthAgan", 370);
+  run_test(test_calculate_mines_HeightWidthRoundUp, "test_calculate_mines_HeightWidthRoundUp", 384);
+  run_test(test_calculate_mines_HeightWidthNoRound, "test_calculate_mines_HeightWidthNoRound", 398);
+  run_test(test_calculate_mines_HeightWidthFinal, "test_calculate_mines_HeightWidthFinal", 412);
 
   return UnityEnd();
 }
diff --git a/src/test/test_duellist_spielesammlung_projekt.c b/src/test/test_duellist_spielesammlung_projekt.c
index 11b497f..a0d4547 100644
--- a/src/test/test_duellist_spielesammlung_projekt.c
+++ b/src/test/test_duellist_spielesammlung_projekt.c
@@ -381,4 +381,45 @@ void test_calculate_mines_HeightWidthAgan(void)
     TEST_ASSERT_EQUAL_INT(expected, result);
 }
 
+void test_calculate_mines_HeightWidthRoundUp(void)
+{
+    /* arrange */
+    int height = 3;
+    int width = 5;
+    int expected = 3;
+
+    /* act */
+    int result = calculate_mines(height, width);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, result);
+}
+
+void test_calculate_mines_HeightWidthNoRound(void)
+{
+    /* arrange */
+    int height = 9;
+    int width = 9;
+    int expected = 20;
+
+    /* act */
+    int result = calculate_mines(height, width);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, result);
+}
+
+void test_calculate_mines_HeightWidthFinal(void)
+{
+    /* arrange */
+    int height = 7;
+    int width = 7;
+    int expected = 12;
+
+    /* act */
+    int result = calculate_mines(height, width);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, result);
+}
 #endif // TEST