From 84196e721e41f0cdd7a3066479205e8eff96361a Mon Sep 17 00:00:00 2001
From: Eric Bagus <eric-lars.bagus@informatik.hs-fulda.de>
Date: Thu, 8 Feb 2024 17:25:40 +0100
Subject: [PATCH] Added arithmetic division including unittest

---
 src/arithmeticDivision.c       | 17 +++++++++++++++++
 src/arithmeticDivision.h       |  6 ++++++
 test/test_arithmeticDivision.c | 19 +++++++++++++++++++
 3 files changed, 42 insertions(+)
 create mode 100644 src/arithmeticDivision.c
 create mode 100644 src/arithmeticDivision.h
 create mode 100644 test/test_arithmeticDivision.c

diff --git a/src/arithmeticDivision.c b/src/arithmeticDivision.c
new file mode 100644
index 0000000..7cdfc7e
--- /dev/null
+++ b/src/arithmeticDivision.c
@@ -0,0 +1,17 @@
+#include "arithmeticDivision.h"
+#include <stdio.h>
+#include <limits.h>
+#include <stdlib.h>
+
+int* division_integer(int dividend, int divisor) {
+    if(divisor == 0) {
+        return NULL;
+    }
+    // Overflow protection
+    if (dividend == INT_MIN && divisor == -1) {
+        return NULL;
+    }
+    int* result = malloc(sizeof(int));
+    *result = dividend / divisor;
+    return result;
+}
\ No newline at end of file
diff --git a/src/arithmeticDivision.h b/src/arithmeticDivision.h
new file mode 100644
index 0000000..e4080b7
--- /dev/null
+++ b/src/arithmeticDivision.h
@@ -0,0 +1,6 @@
+#ifndef THEADMIRALS_ARITHMETICDIVISION_H
+#define THEADMIRALS_ARITHMETICDIVISION_H
+
+int* division_integer(int, int);
+
+#endif //THEADMIRALS_ARITHMETICDIVISION_H
diff --git a/test/test_arithmeticDivision.c b/test/test_arithmeticDivision.c
new file mode 100644
index 0000000..6428ea0
--- /dev/null
+++ b/test/test_arithmeticDivision.c
@@ -0,0 +1,19 @@
+#include "../src/arithmeticDivision.h"
+#include "unity.h"
+#include "limits.h"
+
+void setUp(void) {
+    // set stuff up here
+}
+
+void tearDown(void) {
+    // clean stuff up here
+}
+
+
+void test_arithmeticDivision_numberdividedbynumberequalsnumber(void) {
+    int expectedResult = 2;
+    int* result;
+    result = division_integer(14, 7);
+    TEST_ASSERT_EQUAL_INT(expectedResult, *result);
+}