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This commit is contained in:
theomegacarrot 2023-03-17 14:09:30 -04:00
parent e1c72c4a88
commit 0a328c0125
1 changed files with 11 additions and 18 deletions
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29
test/std-test.cc
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@ -96,24 +96,19 @@ TEST(std_test, optional) {
#endif #endif
} }
// this struct exists only to force a variant to be struct throws_on_move {
// valueless by exception throws_on_move() = default;
// NOLINTNEXTLINE
struct throws_on_move_t {
throws_on_move_t() = default;
// NOLINTNEXTLINE [[noreturn]] throws_on_move(throws_on_move&&) {
[[noreturn]] throws_on_move_t(throws_on_move_t&&) { throw std::runtime_error("Thrown by throws_on_move_t");
throw std::runtime_error{"Thrown by throws_on_move_t"};
} }
throws_on_move_t(const throws_on_move_t&) = default; throws_on_move(const throws_on_move&) = default;
}; };
template <> struct fmt::formatter<throws_on_move_t> : formatter<string_view> { template <> struct fmt::formatter<throws_on_move> : formatter<string_view> {
template <typename FormatContext> auto format(const throws_on_move&, format_context& ctx) const {
auto format(const throws_on_move_t&, FormatContext& ctx) const { string_view str("<throws_on_move_t>");
string_view str{"<throws_on_move_t>"};
return formatter<string_view>::format(str, ctx); return formatter<string_view>::format(str, ctx);
} }
}; };
@ -150,13 +145,11 @@ TEST(std_test, variant) {
volatile int i = 42; // Test compile error before GCC 11 described in #3068. volatile int i = 42; // Test compile error before GCC 11 described in #3068.
EXPECT_EQ(fmt::format("{}", i), "42"); EXPECT_EQ(fmt::format("{}", i), "42");
using V2 = std::variant<std::monostate, throws_on_move_t>; std::variant<std::monostate, throws_on_move> v6;
V2 v6{};
try { try {
throws_on_move_t thrower{}; throws_on_move thrower;
v6.emplace<throws_on_move_t>(std::move(thrower)); v6.emplace<throws_on_move>(std::move(thrower));
} catch (const std::runtime_error&) { } catch (const std::runtime_error&) {
} }
// v6 is now valueless by exception // v6 is now valueless by exception