From 117001b8986d46040da5c7b07330b5fb99fc7f70 Mon Sep 17 00:00:00 2001
From: Mitya Selivanov <0x7fffff@guattari.ru>
Date: Sun, 14 Aug 2022 04:50:43 +0400
Subject: thread, atomic

---
 source/test/unittests/atomic.test.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 source/test/unittests/atomic.test.c

(limited to 'source/test/unittests/atomic.test.c')

diff --git a/source/test/unittests/atomic.test.c b/source/test/unittests/atomic.test.c
new file mode 100644
index 0000000..9f1a10b
--- /dev/null
+++ b/source/test/unittests/atomic.test.c
@@ -0,0 +1,26 @@
+#include "../../kit/atomic.h"
+
+#define KIT_TEST_FILE atomic
+#include "../../kit_test/test.h"
+
+TEST("atomic store and load") {
+  ATOMIC(int) value;
+  atomic_store_explicit(&value, 20, memory_order_relaxed);
+  REQUIRE(atomic_load_explicit(&value, memory_order_relaxed) == 20);
+}
+
+TEST("atomic exchange") {
+  ATOMIC(int) value;
+  atomic_store_explicit(&value, 20, memory_order_relaxed);
+  REQUIRE(atomic_exchange_explicit(&value, 42,
+                                   memory_order_relaxed) == 20);
+  REQUIRE(atomic_load_explicit(&value, memory_order_relaxed) == 42);
+}
+
+TEST("atomic fetch add") {
+  ATOMIC(int) value;
+  atomic_store_explicit(&value, 20, memory_order_relaxed);
+  REQUIRE(atomic_fetch_add_explicit(&value, 22,
+                                    memory_order_relaxed) == 20);
+  REQUIRE(atomic_load_explicit(&value, memory_order_relaxed) == 42);
+}
-- 
cgit v1.2.3