already started, but not done

src/tests.c

@@ -0,0 +1,122 @@
+#include "strops.h"
+#include <stdio.h>
+
+/* Test template (Maybe make a macro in the future?)
+int test_() {
+    char* input = "";
+    char* expected = "";
+    char* result = strops_(input);
+    if (strcmp(result, expected) != 0) {
+        printf("test_ failed\n");
+        printf("Got = '%s'\nExpected = '%s'\n", result, expected);
+        return 1;
+    }
+    return 0;
+}
+*/
+
+int test_to_lowercase() {
+    char* input = "sTrInG";
+    char* expected = "string";
+    char* result = strops_to_lowercase(input);
+    if (strcmp(result, expected) != 0) {
+        printf("test_to_lowercase failed\n");
+        printf("Got = '%s'\nExpected = '%s'\n", result, expected);
+        return 1;
+    }
+    return 0;
+}
+
+int test_to_uppercase() {
+    char* input = "sTrInG";
+    char* expected = "STRING";
+    char* result = strops_to_uppercase(input);
+    if (strcmp(result, expected) != 0) {
+        printf("test_to_uppercase failed\n");
+        printf("Got = '%s'\nExpected = '%s'\n", result, expected);
+        return 1;
+    }
+    return 0;
+}
+
+int test_trim_right() {
+    char* input = "String \t\f\v\r\n ";
+    char* expected = "String";
+    char* result = strops_trim_right_whitespace(input);
+    if (strcmp(result, expected) != 0) {
+        printf("test_trim_right failed\n");
+        printf("Got = '%s'\nExpected = '%s'\n", result, expected);
+        return 1;
+    }
+    return 0;
+}
+
+int test_trim_left() {
+    char* input = " \t\f\v\r\n String";
+    char* expected = "String";
+    char* result = strops_trim_left_whitespace(input);
+    if (strcmp(result, expected) != 0) {
+        printf("test_trim_left failed\n");
+        printf("Got = '%s'\nExpected = '%s'\n", result, expected);
+        return 1;
+    }
+    return 0;
+}
+
+int test_trim_both() {
+    char* input = " \t\f\v String \r\n ";
+    char* expected = "String";
+    char* result = strops_trim_both_whitespace(input);
+    if (strcmp(result, expected) != 0) {
+        printf("test_trim_both failed\n");
+        printf("Got = '%s'\nExpected = '%s'\n", result, expected);
+        return 1;
+    }
+    return 0;
+}
+
+int main() {
+    int amount_of_tests = 5;
+    int amount_of_successful_tests = 0;
+    int ret;
+    
+    /* Test template
+        ret = test_();
+        if (ret == 0) {
+            amount_of_successful_tests++;
+        }
+    */
+
+    ret = test_to_lowercase();
+    if (ret == 0) {
+        amount_of_successful_tests++;
+    }
+
+    ret = test_to_uppercase();
+    if (ret == 0) {
+        amount_of_successful_tests++;
+    }
+
+    ret = test_trim_right();
+    if (ret == 0) {
+        amount_of_successful_tests++;
+    }
+
+    ret = test_trim_left();
+    if (ret == 0) {
+        amount_of_successful_tests++;
+    }
+
+    ret = test_trim_both();
+    if (ret == 0) {
+        amount_of_successful_tests++;
+    }
+
+    if (amount_of_successful_tests != amount_of_tests) {
+        printf("%d/%d tests passed successfully\n", amount_of_successful_tests, amount_of_tests);
+        return 1;
+    } else {
+        printf("All tests passed successfully\n");
+        return 0;
+    }
+}