1 files changed, 32 insertions, 0 deletions
diff --git a/asl/base/defer_tests.cpp b/asl/base/defer_tests.cpp
new file mode 100644
index 0000000..b5139d5
--- /dev/null
+++ b/asl/base/defer_tests.cpp
@@ -0,0 +1,32 @@
+#include "asl/base/defer.hpp"
+#include "asl/testing/testing.hpp"
+
+ASL_TEST(defer)
+{
+    uint32_t a = 0;
+
+    {
+        ASL_DEFER [&a]() { a |= 1; };
+        ASL_TEST_EXPECT(a == 0);
+
+        {
+            ASL_DEFER [&a]() { a |= 2; };
+            ASL_DEFER [&a]() { a |= 4; };
+            ASL_TEST_EXPECT(a == 0);
+        }
+        
+        ASL_TEST_EXPECT(a == 6);
+
+        {
+            ASL_DEFER [&a]() { a |= 8; };
+            ASL_TEST_EXPECT(a == 6);
+        }
+
+        ASL_TEST_EXPECT(a == 14);
+        
+        ASL_DEFER [&a]() { a |= 16; };
+        ASL_TEST_EXPECT(a == 14);
+    }
+    
+    ASL_TEST_EXPECT(a == 31);
+}