Add tests for Allocator implementations

tests/allocator/test_allocator.c

@@ -0,0 +1,37 @@
+#include "test_allocator.h"
+#include "libc/mem_libc.h"
+#include "mem_allocator.h"
+#include "mem_arena.h"
+#include "tester.h"
+#include <stdbool.h>
+#include <stdlib.h>
+
+TestFuncResult test_libc_allocator(void) {
+  Allocator allocator = wapp_mem_libc_allocator();
+  bool result = allocator.obj == NULL && allocator.alloc != NULL &&
+                allocator.alloc_aligned != NULL && allocator.realloc != NULL &&
+                allocator.realloc_aligned == NULL && allocator.free != NULL;
+  void *ptr = wapp_mem_allocator_alloc(&allocator, 20);
+  result = result && (ptr != NULL);
+
+  if (ptr != NULL) {
+    wapp_mem_allocator_free(&allocator, &ptr);
+    result = result && (ptr == NULL);
+  }
+
+  return wapp_tester_result(result);
+}
+
+TestFuncResult test_arena_allocator(void) {
+  Allocator allocator = wapp_mem_arena_allocator_init(4096);
+  bool result = allocator.obj != NULL && allocator.alloc != NULL &&
+                allocator.alloc_aligned != NULL &&
+                allocator.realloc == NULL & allocator.realloc_aligned == NULL &&
+                allocator.free == NULL;
+  void *ptr = wapp_mem_allocator_alloc(&allocator, 20);
+  result = result && (ptr != NULL);
+
+  wapp_mem_arena_allocator_destroy(&allocator);
+
+  return wapp_tester_result(result);
+}

tests/allocator/test_allocator.h

@@ -0,0 +1,17 @@
+#ifndef TEST_ALLOCATOR_H
+#define TEST_ALLOCATOR_H
+
+#include "tester.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+TestFuncResult test_libc_allocator(void);
+TestFuncResult test_arena_allocator(void);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // !TEST_ALLOCATOR_H

tests/wapptest.c

@@ -1,3 +1,4 @@
+#include "test_allocator.h"
 #include "test_arena.h"
 #include "test_shell_commander.h"
 #include "tester.h"
@@ -5,7 +6,8 @@
 
 int main(void) {
   wapp_tester_run_tests(
-      test_arena_init, test_arena_init_succeeds_when_reserving_very_large_size,
+      test_libc_allocator, test_arena_allocator, test_arena_init,
+      test_arena_init_succeeds_when_reserving_very_large_size,
       test_arena_alloc_succeeds_when_within_capacity,
       test_arena_alloc_fails_when_over_capacity, test_arena_clear,
       test_arena_destroy, test_commander_cmd_success,