--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_storage.nim	Sun Apr 07 00:35:45 2024 +0700
@@ -0,0 +1,52 @@
+import std/os
+
+import semicongine
+
+proc testSimple(storage: StorageType) =
+  const TEST_VALUE = 42
+  const KEY = "test"
+
+  # get default
+  var promise1 = load[int](storage, KEY)
+  assert promise1.awaitResult() == default(type(TEST_VALUE))
+
+  # save and load custom
+  var promise2 = store(storage, KEY, TEST_VALUE)
+  promise2.awaitStored()
+  promise1 = load[int](storage, KEY)
+  assert promise1.awaitResult() == TEST_VALUE
+
+proc testBusyWait(storage: StorageType) =
+  const TEST_VALUE = "43"
+  const KEY = "test2"
+
+  # get default
+  var promise1 = load[string](storage, KEY)
+  while not promise1.hasResult():
+    sleep(1)
+  assert promise1.getResult() == default(type(TEST_VALUE))
+
+  # save and load custom
+  var promise2 = store(storage, KEY, TEST_VALUE)
+  while not promise2.isStored():
+    sleep(1)
+  promise1 = load[string](storage, KEY)
+  while not promise1.hasResult():
+    sleep(1)
+  assert promise1.awaitResult() == TEST_VALUE
+
+proc main() =
+  echo "SystemStorage: Testing simple store/load"
+  SystemStorage.testSimple()
+  echo "SystemStorage: Testing store/load with busy wait"
+  SystemStorage.testBusyWait()
+
+  UserStorage.purge()
+  echo "UserStorage: Testing simple store/load"
+  UserStorage.testSimple()
+  echo "UserStorage: Testing store/load with busy wait"
+  UserStorage.testBusyWait()
+  UserStorage.purge()
+
+when isMainModule:
+  main()