intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 36 insertions, 0 deletions

diff --git a/library/cpp/codecs/ut/tls_cache_ut.cpp b/library/cpp/codecs/ut/tls_cache_ut.cpp
new file mode 100644
index 0000000000..8101af761f
--- /dev/null
+++ b/library/cpp/codecs/ut/tls_cache_ut.cpp
@@ -0,0 +1,36 @@
+#include <library/cpp/testing/unittest/registar.h>
+#include <library/cpp/codecs/tls_cache.h>
+
+Y_UNIT_TEST_SUITE(CodecsBufferFactoryTest){
+    void AssignToBuffer(TBuffer & buf, TStringBuf val){
+        buf.Assign(val.data(), val.size());
+}
+
+TStringBuf AsStringBuf(const TBuffer& b) {
+    return TStringBuf(b.Data(), b.Size());
+}
+
+Y_UNIT_TEST(TestAcquireReleaseReuse) {
+    NCodecs::TBufferTlsCache factory;
+    // acquiring the first buffer
+    auto buf1 = factory.Item();
+    AssignToBuffer(buf1.Get(), "Buffer_01");
+    {
+        // acquiring the second buffer
+        auto buf2 = factory.Item();
+        AssignToBuffer(buf2.Get(), "Buffer_02");
+    }
+    // the first buffer should stay intact
+    UNIT_ASSERT_EQUAL(AsStringBuf(buf1.Get()), "Buffer_01");
+    {
+        // reacquiring the last released buffer
+        // expecting it zero sized but having the same memory
+        auto buf2 = factory.Item();
+        UNIT_ASSERT_VALUES_EQUAL(buf2.Get().Size(), 0u);
+        buf2.Get().Resize(TStringBuf("Buffer_02").Size());
+        UNIT_ASSERT_EQUAL(AsStringBuf(buf2.Get()), "Buffer_02");
+    }
+    // when the factory dies we should see no leaks
+}
+}
+;