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Telegram/ThirdParty/GSL/tests/no_exception_ensure_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 <chrono>
+#include <cstdlib>  // for std::exit
+#include <gsl/span> // for span
+#include <iostream>
+#include <thread>
+
+int operator_subscript_no_throw() noexcept
+{
+    int arr[10];
+    const gsl::span<int> sp{arr};
+    return sp[11];
+}
+
+[[noreturn]] void test_terminate() { std::exit(0); }
+
+void setup_termination_handler() noexcept
+{
+#if defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND)
+
+    auto& handler = gsl::details::get_terminate_handler();
+    handler = &test_terminate;
+
+#else
+
+    std::set_terminate(test_terminate);
+
+#endif
+}
+
+int main() noexcept
+{
+    std::cout << "Running main() from " __FILE__ "\n";
+#if defined(IOS_PROCESS_DELAY_WORKAROUND)
+    std::this_thread::sleep_for(std::chrono::seconds(1));
+#endif
+    setup_termination_handler();
+    operator_subscript_no_throw();
+    return -1;
+}