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Telegram/ThirdParty/GSL/tests/owner_tests.cpp

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+///////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
+//
+// This code is licensed under the MIT License (MIT).
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include <gtest/gtest.h>
+
+#include <gsl/pointers> // for owner
+
+using namespace gsl;
+
+GSL_SUPPRESS(f .23) // NO-FORMAT: attribute
+void f(int* i) { *i += 1; }
+
+TEST(owner_tests, basic_test)
+{
+    owner<int*> p = new int(120);
+    EXPECT_TRUE(*p == 120);
+    f(p);
+    EXPECT_TRUE(*p == 121);
+    delete p;
+}
+
+TEST(owner_tests, check_pointer_constraint)
+{
+#ifdef CONFIRM_COMPILATION_ERRORS
+    {
+        owner<int> integerTest = 10;
+        owner<std::shared_ptr<int>> sharedPtrTest(new int(10));
+    }
+#endif
+}