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Test enabled formatters

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This commit is contained in:
Victor Zverovich
2018-11-08 10:59:10 -08:00
parent e01579231d
commit cc805c6162
1 changed files with 18 additions and 2 deletions
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20
test/format-test.cc
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@@ -45,6 +45,22 @@ using testing::StrictMock;
namespace { namespace {
template <typename T>
bool check_enabled_formatter() {
static_assert(std::is_default_constructible<fmt::formatter<T>>::value, "");
return true;
}
template <typename... T>
void check_enabled_formatters() {
auto dummy = {check_enabled_formatter<T>()...};
(void)dummy;
}
TEST(FormatterTest, TestFormattersEnabled) {
check_enabled_formatters<char, signed char, unsigned char>();
}
// Format value using the standard library. // Format value using the standard library.
template <typename Char, typename T> template <typename Char, typename T>
void std_format(const T &value, std::basic_string<Char> &result) { void std_format(const T &value, std::basic_string<Char> &result) {
@@ -768,7 +784,7 @@ TEST(FormatterTest, ArgErrors) {
template <int N> template <int N>
struct TestFormat { struct TestFormat {
template <typename... Args> template <typename... Args>
static std::string format(fmt::string_view format_str, const Args & ... args) { static std::string format(fmt::string_view format_str, const Args &... args) {
return TestFormat<N - 1>::format(format_str, N - 1, args...); return TestFormat<N - 1>::format(format_str, N - 1, args...);
} }
}; };
@@ -776,7 +792,7 @@ struct TestFormat {
template <> template <>
struct TestFormat<0> { struct TestFormat<0> {
template <typename... Args> template <typename... Args>
static std::string format(fmt::string_view format_str, const Args & ... args) { static std::string format(fmt::string_view format_str, const Args &... args) {
return fmt::format(format_str, args...); return fmt::format(format_str, args...);
} }
}; };