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Added missing file (with some more tests)

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rbock 2016-04-09 21:53:39 +02:00
parent dff0c9942a
commit fbbdc75e64
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test_static_asserts/in.cpp Normal file
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/*
* Copyright (c) 2016-2016, Roland Bock
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <iostream>
#include <set>
#include <MockDb.h>
#include "AssertTables.h"
#include <sqlpp11/sqlpp11.h>
namespace
{
constexpr auto t = test::TabAllTypes{};
template <typename T>
void print_type_on_error(std::true_type)
{
}
template <typename T>
void print_type_on_error(std::false_type)
{
T::_print_me_;
}
template <typename Assert, typename Expr, typename... Operands>
void static_check_in(const Expr& expr, const Operands&... operands)
{
using CheckResult = sqlpp::check_in_t<Expr, Operands...>;
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
static_assert(ExpectedCheckResult::value, "Unexpected check result");
print_type_on_error<CheckResult>(ExpectedCheckResult{});
using ReturnType =
sqlpp::detail::make_type_set_t<decltype(expr.in(operands...)), decltype(expr.not_in(operands...))>;
using ExpectedReturnType = sqlpp::logic::all_t<
Assert::value xor
std::is_same<ReturnType, sqlpp::detail::type_set<sqlpp::bad_expression<sqlpp::boolean>>>::value>;
static_assert(ExpectedReturnType::value, "Unexpected return type");
print_type_on_error<ReturnType>(ExpectedReturnType{});
}
void checks()
{
// OK
static_check_in<sqlpp::consistent_t>(t.someString);
static_check_in<sqlpp::consistent_t>(t.someString, "");
static_check_in<sqlpp::consistent_t>(t.someString, "", "");
static_check_in<sqlpp::consistent_t>(t.someString, select(sqlpp::value("").as(sqlpp::alias::x)));
static_check_in<sqlpp::consistent_t>(t.someString, sqlpp::value_list(std::vector<std::string>{}));
static_check_in<sqlpp::consistent_t>(t.someString, sqlpp::value_list(std::set<std::string>{}));
// Try non-expressions
static_check_in<sqlpp::assert_comparison_rhs_is_expression_t>(t.someString, t);
static_check_in<sqlpp::assert_comparison_rhs_is_expression_t>(t.someString, t, t);
static_check_in<sqlpp::assert_comparison_rhs_is_expression_t>(t.someString, "", t, t, "");
// Try multi-expressions
static_check_in<sqlpp::assert_comparison_rhs_is_expression_t>(t.someString,
any(select(sqlpp::value("").as(sqlpp::alias::x))));
}
}
int main(int, char* [])
{
checks();
}