chore: restructure project into src/tests/examples directories with modular build system

tests/endless_loop_test.rc

@@ -0,0 +1,18 @@
+int main() {
+    int counter = 0;
+
+    printf("Testing while(1) endless loop with counter:\n");
+
+    while (1) {
+        printf("Loop iteration: %d\n", counter);
+        counter = counter + 1;
+
+        if (counter == 10) {
+            printf("Reached 10 iterations, exiting\n");
+            return 0;
+        }
+    }
+
+    printf("This should never print\n");
+    return 0;
+}

tests/feature_test.rc

@@ -0,0 +1,50 @@
+int main() {
+    int x = -5;
+    int y = -10;
+    int z = 0;
+
+    printf("Testing negative numbers:\n");
+    printf("x = %d\n", x);
+    printf("y = %d\n", y);
+    printf("x + y = %d\n", x + y);
+
+    printf("\nTesting == operator:\n");
+    if (x == -5) {
+        printf("x == -5 is true\n");
+    }
+    if (x == y) {
+        printf("x == y is true\n");
+    } else {
+        printf("x == y is false\n");
+    }
+
+    printf("\nTesting != operator:\n");
+    if (x != y) {
+        printf("x != y is true\n");
+    }
+    if (x != -5) {
+        printf("x != -5 is true\n");
+    } else {
+        printf("x != -5 is false\n");
+    }
+
+    printf("\nTesting while loop with counter:\n");
+    int count = 0;
+    while (count != 5) {
+        printf("count = %d\n", count);
+        count = count + 1;
+    }
+
+    printf("\nTesting while(1) with break condition:\n");
+    int i = 0;
+    while (1) {
+        printf("i = %d\n", i);
+        i = i + 1;
+        if (i == 3) {
+            printf("Breaking out of infinite loop\n");
+            return 0;
+        }
+    }
+
+    return 0;
+}

tests/math_test.rc

@@ -0,0 +1,31 @@
+int main() {
+    printf("Testing Math Functions:\n\n");
+
+    int x = 16;
+    int result = sqrt(x);
+    printf("sqrt(16) = %d\n", result);
+
+    int p = pow(2, 8);
+    printf("pow(2, 8) = %d\n", p);
+
+    int a = abs(-42);
+    printf("abs(-42) = %d\n", a);
+
+    int f = floor(7);
+    printf("floor(7) = %d\n", f);
+
+    int c = ceil(7);
+    printf("ceil(7) = %d\n", c);
+
+    printf("\nTesting with negative numbers:\n");
+    int neg = -100;
+    int abs_neg = abs(neg);
+    printf("abs(-100) = %d\n", abs_neg);
+
+    printf("\nTesting pow with different values:\n");
+    printf("pow(3, 3) = %d\n", pow(3, 3));
+    printf("pow(5, 2) = %d\n", pow(5, 2));
+    printf("pow(10, 3) = %d\n", pow(10, 3));
+
+    return 0;
+}

tests/string_manip_test.rc

@@ -0,0 +1,72 @@
+int main() {
+    printf("=== String Manipulation Tests ===\n\n");
+
+    char *text = "Hello World";
+
+    printf("Testing strpos:\n");
+    int pos = strpos(text, "World");
+    printf("Position of 'World' in 'Hello World': %d\n", pos);
+    int pos2 = strpos(text, "xyz");
+    printf("Position of 'xyz' in 'Hello World': %d\n\n", pos2);
+
+    printf("Testing substr:\n");
+    char *sub = substr(text, 0, 5);
+    printf("substr('Hello World', 0, 5) = '%s'\n", sub);
+    char *sub2 = substr(text, 6, 5);
+    printf("substr('Hello World', 6, 5) = '%s'\n\n", sub2);
+
+    printf("Testing upper and lower:\n");
+    char *up = upper(text);
+    printf("upper('Hello World') = '%s'\n", up);
+    char *low = lower(text);
+    printf("lower('Hello World') = '%s'\n\n", low);
+
+    printf("Testing strip:\n");
+    char *spaced = "  Hello World  ";
+    char *stripped = strip(spaced);
+    printf("strip('  Hello World  ') = '%s'\n\n", stripped);
+
+    printf("Testing replace:\n");
+    char *replaced = replace(text, "World", "Python");
+    printf("replace('Hello World', 'World', 'Python') = '%s'\n", replaced);
+    char *replaced2 = replace("aaa bbb aaa", "aaa", "xxx");
+    printf("replace('aaa bbb aaa', 'aaa', 'xxx') = '%s'\n\n", replaced2);
+
+    printf("Testing startswith:\n");
+    if (startswith(text, "Hello")) {
+        printf("'Hello World' starts with 'Hello': true\n");
+    }
+    if (startswith(text, "World")) {
+        printf("'Hello World' starts with 'World': true\n");
+    } else {
+        printf("'Hello World' starts with 'World': false\n");
+    }
+
+    printf("\nTesting endswith:\n");
+    if (endswith(text, "World")) {
+        printf("'Hello World' ends with 'World': true\n");
+    }
+    if (endswith(text, "Hello")) {
+        printf("'Hello World' ends with 'Hello': true\n");
+    } else {
+        printf("'Hello World' ends with 'Hello': false\n");
+    }
+
+    printf("\nTesting slicing [start:end]:\n");
+    char *str = "Python Programming";
+    char *slice1 = str[0:6];
+    printf("'Python Programming'[0:6] = '%s'\n", slice1);
+    char *slice2 = str[7:18];
+    printf("'Python Programming'[7:18] = '%s'\n", slice2);
+    char *slice3 = str[7:11];
+    printf("'Python Programming'[7:11] = '%s'\n", slice3);
+
+    printf("\nCombining operations:\n");
+    char *combined = upper(str[0:6]);
+    printf("upper('Python Programming'[0:6]) = '%s'\n", combined);
+
+    char *chain = replace(lower("HELLO WORLD"), "world", "python");
+    printf("replace(lower('HELLO WORLD'), 'world', 'python') = '%s'\n", chain);
+
+    return 0;
+}

tests/string_test.rc

@@ -0,0 +1,29 @@
+int main() {
+    printf("Testing String Concatenation:\n\n");
+
+    char *hello = "Hello";
+    char *world = " World";
+    char *result = hello + world;
+    printf("Result: %s\n", result);
+
+    printf("\nTesting multiple concatenations:\n");
+    char *a = "aaa";
+    char *b = "bbb";
+    char *c = "ccc";
+    char *abc = a + b + c;
+    printf("a + b + c = %s\n", abc);
+
+    printf("\nTesting literal concatenation:\n");
+    char *direct = "First" + " Second" + " Third";
+    printf("Result: %s\n", direct);
+
+    printf("\nTesting with variable and literal:\n");
+    char *name = "Alice";
+    char *greeting = "Hello, " + name + "!";
+    printf("%s\n", greeting);
+
+    printf("\nTesting in printf directly:\n");
+    printf("Direct: %s\n", "Start" + " Middle" + " End");
+
+    return 0;
+}