First Commit

ext/libpqxx-7.7.3/test/unit/test_cancel_query.cxx

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+#include <pqxx/pipeline>
+#include <pqxx/transaction>
+
+#include "../test_helpers.hxx"
+
+namespace
+{
+void test_cancel_query()
+{
+  pqxx::connection conn;
+  pqxx::work tx{conn};
+  // Calling cancel_query() while none is in progress has no effect.
+  conn.cancel_query();
+
+  // Nothing much is guaranteed about cancel_query, except that it doesn't make
+  // the process die in flames.
+  pqxx::pipeline p{tx, "test_cancel_query"};
+  p.retain(0);
+  p.insert("SELECT pg_sleep(1)");
+  conn.cancel_query();
+}
+
+
+PQXX_REGISTER_TEST(test_cancel_query);
+} // namespace