Initial commit

test/test_refcount.c

@@ -0,0 +1,57 @@
+#include "alloc.h"
+
+#include <assert.h>
+#include <refcount/refcount.h>
+
+typedef struct A {
+    int num;
+    RefcountEntry refcount;
+    char *str;
+} A;
+
+A *make_a(RefcountContext *c, int n, const char *s) {
+    A *a = counting_malloc(sizeof(A));
+    a->num = n;
+    a->str = counting_strdup(s);
+    refcount_context_init_obj(c, a);
+    return a;
+}
+
+void destroy_callback(void *a_raw) {
+    A *a = a_raw;
+    counting_free(a->str);
+    counting_free(a);
+}
+
+int main() {
+    refcount_global_allocator = &COUNTING_ALLOCATOR;
+
+    RefcountContext *c =
+        refcount_make_context(offsetof(A, refcount), NULL, destroy_callback);
+
+    A *a = make_a(c, 10, "Hello world\n");
+    assert(!refcount_context_is_static(c, a));
+    assert(refcount_context_num_refs(c, a) == 0);
+
+    refcount_context_ref(c, a);
+    assert(refcount_context_num_refs(c, a) == 1);
+
+    refcount_context_ref(c, a);
+    assert(refcount_context_num_refs(c, a) == 2);
+
+    refcount_context_unref(c, a);
+    assert(refcount_context_num_refs(c, a) == 1);
+
+    refcount_context_float(c, a);
+    assert(refcount_context_num_refs(c, a) == 0);
+
+    refcount_context_ref(c, a);
+    assert(refcount_context_num_refs(c, a) == 1);
+
+    refcount_context_unref(c, a);
+
+    refcount_context_destroy(c);
+
+    check_allocator_status();
+    return 0;
+}