stuff

06-MemoryManager/testcases/tc6.c

@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "memory_manager.h"
+
+#define MY_HEAP_SIZE 4096
+#define ALLOC_COUNT 100
+#define ALLOC_SIZE 10
+
+int main()
+{
+	char my_heap[MY_HEAP_SIZE];
+	mmInit(my_heap, MY_HEAP_SIZE);
+	void* ptr[ALLOC_COUNT];
+	
+	printf("TC6: Heap size: %d: allocation count: %d, allocation size: %d - Lots of small allocations with interleaved frees\n", MY_HEAP_SIZE, ALLOC_COUNT, ALLOC_SIZE);
+
+	for(int i = 0 ; i < ALLOC_COUNT; i++) {
+
+		printf("%d - 1 -- Available Memory: %d, Alloc Memory: %d, Fragment Count: %d\n", i, get_remaining_space(), get_allocated_space(), get_fragment_count());
+		
+		ptr[i] = mymalloc_ff(ALLOC_SIZE);
+		if(ptr[i] == NULL) {
+			printf("ptr[%d] - mymalloc_ff(%d) failed\n", i, ALLOC_SIZE);
+			exit(EXIT_FAILURE);
+		}
+		
+		printf("%d 2 -- Available Memory: %d, Alloc Memory: %d, Fragment Count: %d\n", i, get_remaining_space(), get_allocated_space(), get_fragment_count());
+	}
+	for(int i = 0; i < ALLOC_COUNT; i += 2) {
+		printf("Freeing ptr[%d], Fragment Count: %d\n", i, get_fragment_count());
+		myfree(ptr[i]);
+	}
+	for(int i = 1; i < ALLOC_COUNT; i += 2) {
+		myfree(ptr[i]);
+		printf("Freeing ptr[%d], Fragment Count: %d\n", i, get_fragment_count());
+	}
+
+	printf("Total successful mallocs: %d\n", get_mymalloc_count());
+	mmDestroy();
+
+	return 0;
+}