feat: update structure

cs2106/labs/lab4/bitmap/testmap.c

@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <assert.h>
+#include "bitmap.h"
+
+#define LEN 5
+
+void print_result(unsigned char *map, int len, long length, long expected) {
+    long ndx = search_map(map, len, length);
+    printf("Length: %ld, Expected: %ld, Actual: %ld\n", length, expected, ndx);
+
+    // This will cause a crash if the index returned does not match what is expected
+    assert(ndx == expected);
+}
+
+int main() {
+    unsigned char map[LEN] = {0b11001000, 0b00011111, 0b00001100, 0b11000000, 0b00000001};
+    int ndx;
+
+    printf("\n");
+    print_result(map, LEN, 2, 2);
+    print_result(map, LEN, 4, 5);
+    print_result(map, LEN, 6, 5);
+    print_result(map, LEN, 12, 26); 
+    print_result(map, LEN, 128, -1); 
+
+    // Allocate map
+    printf("\nAllocating 2 bytes\n");
+    printf("BEFORE: ");
+    print_map(map, LEN);
+    ndx = search_map(map, LEN, 2);
+    allocate_map(map, ndx, 2);
+    printf("AFTER:  ");
+    print_map(map, LEN);
+    printf("\n");
+
+    printf("Allocating 12 bytes\n");
+    printf("BEFORE: ");
+    print_map(map, LEN);
+    ndx = search_map(map, LEN, 12);
+    allocate_map(map, ndx, 12);
+    printf("AFTER:  ");
+    print_map(map, LEN);
+    printf("\n");
+    print_result(map, LEN, 12, -1); 
+
+    printf("Freeing 12 bytes\n");
+    printf("BEFORE: ");
+    print_map(map, LEN);
+    free_map(map, ndx, 12);
+    printf("AFTER:  ");
+    print_map(map, LEN);
+    printf("\n");
+    print_result(map, LEN, 12, 26); 
+}