diff --git a/tests/arena/test_arena.c b/tests/arena/test_arena.c
new file mode 100644
index 0000000..ad2695c
--- /dev/null
+++ b/tests/arena/test_arena.c
@@ -0,0 +1,59 @@
+#include "test_arena.h"
+#include "aliases.h"
+#include "mem_arena.h"
+#include "mem_utils.h"
+#include "tester.h"
+#include <stdbool.h>
+#include <stdlib.h>
+
+#define ARENA_CAPACITY 1024
+
+internal Arena *arena = NULL;
+internal u64 count = 20;
+internal i32 *array = NULL;
+
+TestFuncResult test_arena_init(void) {
+  bool result = wapp_mem_arena_init(&arena, ARENA_CAPACITY,
+                                    WAPP_MEM_ALLOC_RESERVE, false);
+
+  return TEST_RESULT(result);
+}
+
+TestFuncResult test_arena_alloc_succeeds_when_within_capacity(void) {
+  array = wapp_mem_arena_alloc(arena, count * sizeof(i32));
+  bool result = array != NULL;
+
+  for (u64 i = 0; i < count; ++i) {
+    array[i] = i * 10;
+  }
+
+  return TEST_RESULT(result);
+}
+
+TestFuncResult test_arena_alloc_fails_when_over_capacity(void) {
+  u8 *bytes = wapp_mem_arena_alloc(arena, ARENA_CAPACITY * 2);
+  bool result = bytes == NULL;
+
+  return TEST_RESULT(result);
+}
+
+TestFuncResult test_arena_clear(void) {
+  wapp_mem_arena_clear(arena);
+  bool result = true;
+
+  for (u64 i = 0; i < count; ++i) {
+    if (array[i] != 0) {
+      result = false;
+      break;
+    }
+  }
+
+  return TEST_RESULT(result);
+}
+
+TestFuncResult test_arena_destroy(void) {
+  wapp_mem_arena_destroy(&arena);
+  bool result = arena == NULL;
+
+  return TEST_RESULT(result);
+}
diff --git a/tests/arena/test_arena.h b/tests/arena/test_arena.h
new file mode 100644
index 0000000..8e6be9f
--- /dev/null
+++ b/tests/arena/test_arena.h
@@ -0,0 +1,20 @@
+#ifndef TEST_ARENA_H
+#define TEST_ARENA_H
+
+#include "tester.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+TestFuncResult test_arena_init(void);
+TestFuncResult test_arena_alloc_succeeds_when_within_capacity(void);
+TestFuncResult test_arena_alloc_fails_when_over_capacity(void);
+TestFuncResult test_arena_clear(void);
+TestFuncResult test_arena_destroy(void);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // !TEST_ARENA_H
diff --git a/tests/wapptest.c b/tests/wapptest.c
new file mode 100644
index 0000000..3b361e5
--- /dev/null
+++ b/tests/wapptest.c
@@ -0,0 +1,11 @@
+#include "test_arena.h"
+#include "tester.h"
+#include <stdlib.h>
+
+int main(void) {
+  run_tests(test_arena_init, test_arena_alloc_succeeds_when_within_capacity,
+            test_arena_alloc_fails_when_over_capacity, test_arena_clear,
+            test_arena_destroy);
+
+  return EXIT_SUCCESS;
+}