Add custom allocator support

1 files changed, 65 insertions, 0 deletions

diff --git a/test/allocator_test.c b/test/allocator_test.c
new file mode 100644
index 0000000..432b836
--- /dev/null
+++ b/test/allocator_test.c
@@ -0,0 +1,65 @@
+/*
+  Copyright 2014-2021 David Robillard <d@drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#undef NDEBUG
+
+#include "zix/allocator.h"
+
+#include <assert.h>
+
+static void
+test_allocator(void)
+{
+  // Just a basic smoke test to check that things seem to be working
+
+  const ZixAllocator* const allocator = zix_default_allocator();
+
+  char* const malloced = (char*)zix_malloc(allocator, 4);
+  malloced[0]          = 0;
+  malloced[3]          = 3;
+  assert(malloced[0] == 0);
+  assert(malloced[3] == 3);
+
+  char* const calloced = (char*)zix_calloc(allocator, 4, 1);
+  assert(calloced[0] == 0);
+  assert(calloced[1] == 0);
+  assert(calloced[2] == 0);
+  assert(calloced[3] == 0);
+
+  char* const realloced = (char*)zix_realloc(allocator, calloced, 8);
+  assert(realloced[0] == 0);
+  assert(realloced[1] == 0);
+  assert(realloced[2] == 0);
+  assert(realloced[3] == 0);
+  realloced[4] = 4;
+  realloced[5] = 5;
+  realloced[6] = 6;
+  realloced[7] = 7;
+  assert(realloced[4] == 4);
+  assert(realloced[5] == 5);
+  assert(realloced[6] == 6);
+  assert(realloced[7] == 7);
+
+  zix_free(allocator, realloced);
+  zix_free(allocator, malloced);
+}
+
+int
+main(void)
+{
+  test_allocator();
+  return 0;
+}