inital nodes and props

tests/testing.h

@@ -0,0 +1,58 @@
+
+#ifndef RG_TESTING_H
+#define RG_TESTING_H
+
+#include "regolith.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static int g_failures;
+
+#define CHECK(cond)                                                            \
+  do {                                                                         \
+    if (!(cond)) {                                                             \
+      printf("FAIL %s:%d: %s\n", __FILE__, __LINE__, #cond);                   \
+      g_failures++;                                                            \
+    }                                                                          \
+  } while (0)
+
+typedef struct testing_alloc {
+  size_t live;
+  size_t peak;
+} testing_alloc;
+
+static void ta_track(testing_alloc *t, size_t add, size_t sub) {
+  t->live = t->live + add - sub;
+  if (t->live > t->peak)
+    t->peak = t->live;
+}
+
+static void *ta_alloc(size_t size, void *user) {
+  void *p = malloc(size);
+  if (p)
+    ta_track(user, size, 0);
+  return p;
+}
+
+static void *ta_realloc(void *ptr, size_t old_size, size_t new_size,
+                        void *user) {
+  void *p = realloc(ptr, new_size);
+  if (p)
+    ta_track(user, new_size, old_size);
+  return p;
+}
+
+static void ta_free(void *ptr, size_t size, void *user) {
+  ta_track(user, 0, size);
+  free(ptr);
+}
+
+static void testing_use_counting_allocator(rg_config *cfg, testing_alloc *t) {
+  cfg->allocator.alloc = ta_alloc;
+  cfg->allocator.realloc = ta_realloc;
+  cfg->allocator.free = ta_free;
+  cfg->allocator.user = t;
+}
+
+#endif