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Prevent self-comparison, added more tests, fixed some expression checks

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rbock
2016-04-07 21:47:17 +02:00
parent 3e008a2b04
commit a77f26ffe3
8 changed files with 105 additions and 65 deletions
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28
test_static_asserts/text.cpp
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@@ -66,9 +66,9 @@ namespace
void allowed_comparands()
{
static_check_comparison<sqlpp::consistent_t>("");
static_check_comparison<sqlpp::consistent_t>('d');
// static_check_comparison<sqlpp::consistent_t>('d'); // not today
static_check_comparison<sqlpp::consistent_t>(std::string(""));
static_check_comparison<sqlpp::consistent_t>(t.otherText);
static_check_comparison<sqlpp::consistent_t>(t.otherString);
}
void disallowed_comparands()
@@ -82,12 +82,32 @@ namespace
static_check_comparison<sqlpp::assert_comparison_valid_rhs_operand_t>(t.someDayPoint);
static_check_comparison<sqlpp::assert_comparison_valid_rhs_operand_t>(t.someTimePoint);
}
template <typename Expected, typename Expression>
void static_check_type()
{
static_assert(std::is_same<Expected, Expression>::value, "Unexpected check result");
}
auto check_expressions() -> void
{
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString + 1)>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString - 1)>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString - "")>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString * 1)>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString * "")>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString / 1)>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString / "")>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString % 1)>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(t.someString % "")>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(-t.someString)>();
static_check_type<sqlpp::bad_expression<sqlpp::text>, decltype(+t.someString)>();
}
}
int main(int, char* [])
{
#error : This must fail:
t.someString + 1;
allowed_comparands();
disallowed_comparands();
check_expressions();
}