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114 lines
5.1 KiB
C++
114 lines
5.1 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_comparison(const Operand& operand)
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{
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using CheckResult = sqlpp::check_comparison_t<decltype(t.someString), 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<
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decltype(t.someString < operand), decltype(t.someString <= operand), decltype(t.someString == operand),
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decltype(t.someString != operand), decltype(t.someString >= operand), decltype(t.someString > operand),
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decltype(t.someString.in(operand)), decltype(t.someString.in(operand, operand)),
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decltype(t.someString.not_in(operand)), decltype(t.someString.not_in(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 allowed_comparands()
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{
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static_check_comparison<sqlpp::consistent_t>("");
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// static_check_comparison<sqlpp::consistent_t>('d'); // not today
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static_check_comparison<sqlpp::consistent_t>(std::string(""));
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static_check_comparison<sqlpp::consistent_t>(t.otherString);
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}
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void disallowed_comparands()
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{
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static_check_comparison<sqlpp::assert_comparison_rhs_is_valid_operand_t>(17);
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static_check_comparison<sqlpp::assert_comparison_rhs_is_valid_operand_t>(17.4);
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static_check_comparison<sqlpp::assert_comparison_rhs_is_expression_t>(t);
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static_check_comparison<sqlpp::assert_comparison_rhs_is_valid_operand_t>(t.someBool);
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static_check_comparison<sqlpp::assert_comparison_rhs_is_valid_operand_t>(t.someFloat);
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static_check_comparison<sqlpp::assert_comparison_rhs_is_valid_operand_t>(t.someInt);
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static_check_comparison<sqlpp::assert_comparison_rhs_is_valid_operand_t>(t.someDayPoint);
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static_check_comparison<sqlpp::assert_comparison_rhs_is_valid_operand_t>(t.someTimePoint);
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}
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template <typename Expected, typename Expression>
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void static_check_type()
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{
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static_assert(std::is_same<Expected, Expression>::value, "Unexpected check result");
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}
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auto check_expressions() -> void
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{
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString + 1)>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString - 1)>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString - "")>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString * 1)>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString * "")>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString / 1)>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString / "")>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString % 1)>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString % "")>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(-t.someString)>();
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static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(+t.someString)>();
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}
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}
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int main(int, char* [])
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{
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allowed_comparands();
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disallowed_comparands();
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check_expressions();
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}
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