added arithmetic Multiplication

src/arithmeticMultiplication_Int.c

@@ -0,0 +1,17 @@
+
+
+#include "arithmeticMultiplication_Int.h"
+#include <stdlib.h>
+
+int* multiplication_integer(int num1, int num2) {
+    int *result = (int*)malloc(sizeof(int));
+    if (result == NULL) {
+        // Handle memory allocation failure
+        return NULL;
+    }
+
+    *result = num1 * num2;
+
+    return result;
+}
+

src/arithmeticMultiplication_Int.h

@@ -0,0 +1,8 @@
+
+
+#ifndef THEADMIRALS_ARITHMETICMULTIPLICATION_INT_H
+#define THEADMIRALS_ARITHMETICMULTIPLICATION_INT_H
+
+int* multiplication_integer(int, int);
+
+#endif //THEADMIRALS_ARITHMETICMULTIPLICATION_INT_H

test/test_arithmeticMultiplication_Int.c

@@ -0,0 +1,21 @@
+#include "../src/arithmeticMultiplication_Int.h"
+#include "unity.h"
+#include "limits.h"
+
+void setUp(void) {
+    // set stuff up here
+}
+
+void tearDown(void) {
+    // clean stuff up here
+}
+
+void test_arithmeticMultiplication_numbertimesnumberequalsnumber(void) {
+    int expectedResult = 10;
+    int* result;
+    result = multiplication_integer(2,5);
+    TEST_ASSERT_EQUAL_INT(expectedResult, *result);
+}
+
+
+