mirror of
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86 lines
3.8 KiB
C++
86 lines
3.8 KiB
C++
/*
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* Copyright (c) 2015-2016, Roland Bock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <iostream>
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#include <MockDb.h>
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#include "AssertTables.h"
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#include <sqlpp11/sqlpp11.h>
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namespace
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{
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constexpr auto t = test::TabAllTypes{};
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template <typename T>
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void print_type_on_error(std::true_type)
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{
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}
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template <typename T>
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void print_type_on_error(std::false_type)
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{
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T::_print_me_;
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}
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template <typename Assert, typename Operand>
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void static_check_self_compare(const Operand& operand)
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{
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using CheckResult = sqlpp::check_comparison_t<Operand, Operand>;
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using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
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static_assert(ExpectedCheckResult::value, "Unexpected check result");
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print_type_on_error<CheckResult>(ExpectedCheckResult{});
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using ReturnType = sqlpp::detail::make_type_set_t<decltype(operand < operand), decltype(operand <= operand),
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decltype(operand == operand), decltype(operand != operand),
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decltype(operand >= operand), decltype(operand > operand)>;
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using ExpectedReturnType = sqlpp::logic::all_t<
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Assert::value xor
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std::is_same<ReturnType, sqlpp::detail::type_set<sqlpp::bad_expression<sqlpp::boolean>>>::value>;
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static_assert(ExpectedReturnType::value, "Unexpected return type");
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print_type_on_error<ReturnType>(ExpectedReturnType{});
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}
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void disallowed_self_comparison()
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{
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.someString);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.someInt);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.someFloat);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.someBool);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.someDayPoint);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.someTimePoint);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.otherString);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.otherInt);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.otherFloat);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.otherBool);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.otherDayPoint);
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static_check_self_compare<sqlpp::assert_comparison_lhs_rhs_differ_t>(t.otherTimePoint);
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}
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}
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int main(int, char* [])
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{
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// t.someString == t.someString;
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disallowed_self_comparison();
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}
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