intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 37 insertions, 0 deletions

diff --git a/library/cpp/messagebus/async_result_ut.cpp b/library/cpp/messagebus/async_result_ut.cpp
new file mode 100644
index 0000000000..2e96492afd
--- /dev/null
+++ b/library/cpp/messagebus/async_result_ut.cpp
@@ -0,0 +1,37 @@
+
+#include <library/cpp/testing/unittest/registar.h>
+
+#include "async_result.h"
+
+namespace {
+    void SetValue(int* location, const int& value) {
+        *location = value;
+    }
+
+}
+
+Y_UNIT_TEST_SUITE(TAsyncResult) {
+    Y_UNIT_TEST(AndThen_Here) {
+        TAsyncResult<int> r;
+
+        int var = 1;
+
+        r.SetResult(17);
+
+        r.AndThen(std::bind(&SetValue, &var, std::placeholders::_1));
+
+        UNIT_ASSERT_VALUES_EQUAL(17, var);
+    }
+
+    Y_UNIT_TEST(AndThen_Later) {
+        TAsyncResult<int> r;
+
+        int var = 1;
+
+        r.AndThen(std::bind(&SetValue, &var, std::placeholders::_1));
+
+        r.SetResult(17);
+
+        UNIT_ASSERT_VALUES_EQUAL(17, var);
+    }
+}