testing: addition addition_float base case 0+number=number

test/test_addition.c

@@ -195,4 +195,22 @@ void test_addition_addition_float_0plus0gleich0(void) {
     TEST_ASSERT_EQUAL_FLOAT(expected, result);
 }
 
+void test_addition_addition_float_0plusnumbergleichnumber(void) {
+    float result[5];
+    number[0].floating = 45672.56487, number[1].floating = -9531145672.467, number[2].floating = 91357634, number[3].floating = -0.0000000079533144, number[4].floating = 0.0756215698;
+    float expected[5] = { number[0].floating, number[1].floating, number[2].floating, number[3].floating, number[4].floating };
+
+    result[0] = addition_float(number[0].floating, (float) 0.0);
+    result[1] = addition_float((float) 0.0, number[1].floating);
+    result[2] = addition_float(number[2].floating, (float) 0.0);
+    result[3] = addition_float((float) 0.0, number[3].floating);
+    result[4] = addition_float((float) 0.0, number[4].floating);
+
+    TEST_ASSERT_EQUAL_FLOAT(expected[0], result[0]);
+    TEST_ASSERT_EQUAL_FLOAT(expected[1], result[1]);
+    TEST_ASSERT_EQUAL_FLOAT(expected[2], result[2]);
+    TEST_ASSERT_EQUAL_FLOAT(expected[3], result[3]);
+    TEST_ASSERT_EQUAL_FLOAT(expected[4], result[4]);
+}
+
 #endif // TEST