1 files changed, 91 insertions, 0 deletions
diff --git a/protocols/Telegram/tdlib/td/tdutils/test/SharedSlice.cpp b/protocols/Telegram/tdlib/td/tdutils/test/SharedSlice.cpp
new file mode 100644
index 0000000000..7327f0dbb3
--- /dev/null
+++ b/protocols/Telegram/tdlib/td/tdutils/test/SharedSlice.cpp
@@ -0,0 +1,91 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include "td/utils/common.h"
+#include "td/utils/port/thread.h"
+#include "td/utils/SharedSlice.h"
+#include "td/utils/tests.h"
+
+char disable_linker_warning_about_empty_file_tdutils_test_shared_slice_cpp TD_UNUSED;
+
+#if !TD_THREAD_UNSUPPORTED
+TEST(SharedSlice, Hands) {
+  {
+    td::SharedSlice h("hello");
+    ASSERT_EQ("hello", h.as_slice());
+    // auto g = h; // CE
+    auto g = h.clone();
+    ASSERT_EQ("hello", h.as_slice());
+    ASSERT_EQ("hello", g.as_slice());
+  }
+
+  {
+    td::SharedSlice h("hello");
+    td::UniqueSharedSlice g(std::move(h));
+    ASSERT_EQ("", h.as_slice());
+    ASSERT_EQ("hello", g.as_slice());
+  }
+  {
+    td::SharedSlice h("hello");
+    td::SharedSlice t = h.clone();
+    td::UniqueSharedSlice g(std::move(h));
+    ASSERT_EQ("", h.as_slice());
+    ASSERT_EQ("hello", g.as_slice());
+    ASSERT_EQ("hello", t.as_slice());
+  }
+
+  {
+    td::UniqueSharedSlice g(5);
+    g.as_mutable_slice().copy_from("hello");
+    td::SharedSlice h(std::move(g));
+    ASSERT_EQ("hello", h);
+    ASSERT_EQ("", g);
+  }
+
+  {
+    td::UniqueSlice h("hello");
+    td::UniqueSlice g(std::move(h));
+    ASSERT_EQ("", h.as_slice());
+    ASSERT_EQ("hello", g.as_slice());
+  }
+
+  {
+    td::SecureString h("hello");
+    td::SecureString g(std::move(h));
+    ASSERT_EQ("", h.as_slice());
+    ASSERT_EQ("hello", g.as_slice());
+  }
+
+  {
+    td::Stage stage;
+    td::SharedSlice a;
+    td::SharedSlice b;
+    td::vector<td::thread> threads(2);
+    for (int i = 0; i < 2; i++) {
+      threads[i] = td::thread([i, &stage, &a, &b] {
+        for (int j = 0; j < 10000; j++) {
+          if (i == 0) {
+            a = td::SharedSlice("hello");
+            b = a.clone();
+          }
+          stage.wait((2 * j + 1) * 2);
+          if (i == 0) {
+            ASSERT_EQ('h', a[0]);
+            a.clear();
+          } else {
+            td::UniqueSharedSlice c(std::move(b));
+            c.as_mutable_slice()[0] = '!';
+          }
+          stage.wait((2 * j + 2) * 2);
+        }
+      });
+    }
+    for (auto &thread : threads) {
+      thread.join();
+    }
+  }
+}
+#endif