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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/fmt/test/module-test.cc | |
parent | Initial commit. (diff) | |
download | ceph-upstream/18.2.2.tar.xz ceph-upstream/18.2.2.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/fmt/test/module-test.cc | 572 |
1 files changed, 572 insertions, 0 deletions
diff --git a/src/fmt/test/module-test.cc b/src/fmt/test/module-test.cc new file mode 100644 index 000000000..62e5fe8ba --- /dev/null +++ b/src/fmt/test/module-test.cc @@ -0,0 +1,572 @@ +// Formatting library for C++ - module tests +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. +// +// Copyright (c) 2021 - present, Daniela Engert +// All Rights Reserved +// {fmt} module. + +#ifdef _MSC_FULL_VER +// hide some implementation bugs in msvc +// that are not essential to users of the module. +# define FMT_HIDE_MODULE_BUGS +#endif + +#define FMT_MODULE_TEST + +#include <bit> +#include <chrono> +#include <exception> +#include <iterator> +#include <locale> +#include <memory> +#include <ostream> +#include <string> +#include <string_view> +#include <system_error> + +#if (__has_include(<fcntl.h>) || defined(__APPLE__) || \ + defined(__linux__)) && \ + (!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP)) +# include <fcntl.h> +# define FMT_USE_FCNTL 1 +#else +# define FMT_USE_FCNTL 0 +#endif +#if defined(_WIN32) && !defined(__MINGW32__) +# define FMT_POSIX(call) _##call +#else +# define FMT_POSIX(call) call +#endif +#define FMT_OS_H_ // don't pull in os.h directly or indirectly + +import fmt; + +// check for macros leaking from BMI +static bool macro_leaked = +#if defined(FMT_CORE_H_) || defined(FMT_FORMAT_H_) + true; +#else + false; +#endif + +// Include sources to pick up functions and classes from the module rather than +// from the non-modular library which is baked into the 'test-main' library. +// This averts linker problems: +// - strong ownership model: missing linker symbols +// - weak ownership model: duplicate linker symbols +#include "gtest-extra.cc" +#include "util.cc" + +// an implicitly exported namespace must be visible [module.interface]/2.2 +TEST(module_test, namespace) { + using namespace fmt; + using namespace fmt::literals; + ASSERT_TRUE(true); +} + +namespace detail { +bool oops_detail_namespace_is_visible; +} + +namespace fmt { +bool namespace_detail_invisible() { +#if defined(FMT_HIDE_MODULE_BUGS) && defined(_MSC_FULL_VER) && \ + ((_MSC_VER == 1929 && _MSC_FULL_VER <= 192930136) || \ + (_MSC_VER == 1930 && _MSC_FULL_VER <= 193030704)) + // bug in msvc up to 16.11.5 / 17.0-pre5: + + // the namespace is visible even when it is neither + // implicitly nor explicitly exported + return true; +#else + using namespace detail; + // this fails to compile if fmt::detail is visible + return !oops_detail_namespace_is_visible; +#endif +} +} // namespace fmt + +// the non-exported namespace 'detail' must be invisible [module.interface]/2 +TEST(module_test, detail_namespace) { + EXPECT_TRUE(fmt::namespace_detail_invisible()); +} + +// macros must not be imported from a *named* module [cpp.import]/5.1 +TEST(module_test, macros) { +#if defined(FMT_HIDE_MODULE_BUGS) && defined(_MSC_FULL_VER) && \ + _MSC_FULL_VER <= 192930130 + // bug in msvc up to 16.11-pre2: + // include-guard macros leak from BMI + // and even worse: they cannot be #undef-ined + macro_leaked = false; +#endif + EXPECT_FALSE(macro_leaked); +} + +// The following is less about functional testing (that's done elsewhere) +// but rather visibility of all client-facing overloads, reachability of +// non-exported entities, name lookup and overload resolution within +// template instantitions. +// Excercise all exported entities of the API at least once. +// Instantiate as many code paths as possible. + +TEST(module_test, to_string) { + EXPECT_EQ("42", fmt::to_string(42)); + EXPECT_EQ("42", fmt::to_string(42.0)); + + EXPECT_EQ(L"42", fmt::to_wstring(42)); + EXPECT_EQ(L"42", fmt::to_wstring(42.0)); +} + +TEST(module_test, format) { + EXPECT_EQ("42", fmt::format("{:}", 42)); + EXPECT_EQ("-42", fmt::format("{0}", -42.0)); + + EXPECT_EQ(L"42", fmt::format(L"{:}", 42)); + EXPECT_EQ(L"-42", fmt::format(L"{0}", -42.0)); +} + +TEST(module_test, format_to) { + std::string s; + fmt::format_to(std::back_inserter(s), "{}", 42); + EXPECT_EQ("42", s); + + char buffer[4] = {0}; + fmt::format_to(buffer, "{}", 42); + EXPECT_EQ("42", std::string_view(buffer)); + + fmt::memory_buffer mb; + fmt::format_to(mb, "{}", 42); + EXPECT_EQ("42", std::string_view(buffer)); + + std::wstring w; + fmt::format_to(std::back_inserter(w), L"{}", 42); + EXPECT_EQ(L"42", w); + + wchar_t wbuffer[4] = {0}; + fmt::format_to(wbuffer, L"{}", 42); + EXPECT_EQ(L"42", std::wstring_view(wbuffer)); + + fmt::wmemory_buffer wb; + fmt::format_to(wb, L"{}", 42); + EXPECT_EQ(L"42", std::wstring_view(wbuffer)); +} + +TEST(module_test, formatted_size) { + EXPECT_EQ(2u, fmt::formatted_size("{}", 42)); + EXPECT_EQ(2u, fmt::formatted_size(L"{}", 42)); +} + +TEST(module_test, format_to_n) { + std::string s; + auto result = fmt::format_to_n(std::back_inserter(s), 1, "{}", 42); + EXPECT_EQ(2u, result.size); + char buffer[4] = {0}; + fmt::format_to_n(buffer, 3, "{}", 12345); + + std::wstring w; + auto wresult = fmt::format_to_n(std::back_inserter(w), 1, L"{}", 42); + EXPECT_EQ(2u, wresult.size); + wchar_t wbuffer[4] = {0}; + fmt::format_to_n(wbuffer, 3, L"{}", 12345); +} + +TEST(module_test, format_args) { + auto no_args = fmt::format_args(); + EXPECT_FALSE(no_args.get(1)); + + fmt::basic_format_args args = fmt::make_format_args(42); + EXPECT_TRUE(args.max_size() > 0); + auto arg0 = args.get(0); + EXPECT_TRUE(arg0); + decltype(arg0) arg_none; + EXPECT_FALSE(arg_none); + EXPECT_TRUE(arg0.type() != arg_none.type()); +} + +TEST(module_test, wformat_args) { + auto no_args = fmt::wformat_args(); + EXPECT_FALSE(no_args.get(1)); + fmt::basic_format_args args = fmt::make_wformat_args(42); + EXPECT_TRUE(args.get(0)); +} + +TEST(module_test, dynamic_format_args) { + fmt::dynamic_format_arg_store<fmt::format_context> dyn_store; + dyn_store.push_back(fmt::arg("a42", 42)); + fmt::basic_format_args args = dyn_store; + EXPECT_FALSE(args.get(3)); + EXPECT_TRUE(args.get(fmt::string_view("a42"))); + + fmt::dynamic_format_arg_store<fmt::wformat_context> wdyn_store; + wdyn_store.push_back(fmt::arg(L"a42", 42)); + fmt::basic_format_args wargs = wdyn_store; + EXPECT_FALSE(wargs.get(3)); + EXPECT_TRUE(wargs.get(fmt::wstring_view(L"a42"))); +} + +TEST(module_test, vformat) { + EXPECT_EQ("42", fmt::vformat("{}", fmt::make_format_args(42))); + EXPECT_EQ(L"42", fmt::vformat(fmt::to_string_view(L"{}"), + fmt::make_wformat_args(42))); +} + +TEST(module_test, vformat_to) { + auto store = fmt::make_format_args(42); + std::string s; + fmt::vformat_to(std::back_inserter(s), "{}", store); + EXPECT_EQ("42", s); + + char buffer[4] = {0}; + fmt::vformat_to(buffer, "{:}", store); + EXPECT_EQ("42", std::string_view(buffer)); + + auto wstore = fmt::make_wformat_args(42); + std::wstring w; + fmt::vformat_to(std::back_inserter(w), L"{}", wstore); + EXPECT_EQ(L"42", w); + + wchar_t wbuffer[4] = {0}; + fmt::vformat_to(wbuffer, L"{:}", wstore); + EXPECT_EQ(L"42", std::wstring_view(wbuffer)); +} + +TEST(module_test, vformat_to_n) { + auto store = fmt::make_format_args(12345); + std::string s; + auto result = fmt::vformat_to_n(std::back_inserter(s), 1, "{}", store); + char buffer[4] = {0}; + fmt::vformat_to_n(buffer, 3, "{:}", store); + + auto wstore = fmt::make_wformat_args(12345); + std::wstring w; + auto wresult = fmt::vformat_to_n(std::back_inserter(w), 1, + fmt::to_string_view(L"{}"), wstore); + wchar_t wbuffer[4] = {0}; + fmt::vformat_to_n(wbuffer, 3, fmt::to_string_view(L"{:}"), wstore); +} + +std::string as_string(std::wstring_view text) { + return {reinterpret_cast<const char*>(text.data()), + text.size() * sizeof(text[0])}; +} + +TEST(module_test, print) { + EXPECT_WRITE(stdout, fmt::print("{}µ", 42), "42µ"); + EXPECT_WRITE(stderr, fmt::print(stderr, "{}µ", 4.2), "4.2µ"); + if (false) { + EXPECT_WRITE(stdout, fmt::print(L"{}µ", 42), as_string(L"42µ")); + EXPECT_WRITE(stderr, fmt::print(stderr, L"{}µ", 4.2), as_string(L"4.2µ")); + } +} + +TEST(module_test, vprint) { + EXPECT_WRITE(stdout, fmt::vprint("{:}µ", fmt::make_format_args(42)), "42µ"); + EXPECT_WRITE(stderr, fmt::vprint(stderr, "{}", fmt::make_format_args(4.2)), + "4.2"); + if (false) { + EXPECT_WRITE(stdout, fmt::vprint(L"{:}µ", fmt::make_wformat_args(42)), + as_string(L"42µ")); + EXPECT_WRITE(stderr, fmt::vprint(stderr, L"{}", fmt::make_wformat_args(42)), + as_string(L"42")); + } +} + +TEST(module_test, named_args) { + EXPECT_EQ("42", fmt::format("{answer}", fmt::arg("answer", 42))); + EXPECT_EQ(L"42", fmt::format(L"{answer}", fmt::arg(L"answer", 42))); +} + +TEST(module_test, literals) { + using namespace fmt::literals; + EXPECT_EQ("42", fmt::format("{answer}", "answer"_a = 42)); + EXPECT_EQ("42", "{}"_format(42)); + EXPECT_EQ(L"42", fmt::format(L"{answer}", L"answer"_a = 42)); + EXPECT_EQ(L"42", L"{}"_format(42)); +} + +TEST(module_test, locale) { + auto store = fmt::make_format_args(4.2); + const auto classic = std::locale::classic(); + EXPECT_EQ("4.2", fmt::format(classic, "{:L}", 4.2)); + EXPECT_EQ("4.2", fmt::vformat(classic, "{:L}", store)); + std::string s; + fmt::vformat_to(std::back_inserter(s), classic, "{:L}", store); + EXPECT_EQ("4.2", s); + EXPECT_EQ("4.2", fmt::format("{:L}", 4.2)); + + auto wstore = fmt::make_wformat_args(4.2); + EXPECT_EQ(L"4.2", fmt::format(classic, L"{:L}", 4.2)); + EXPECT_EQ(L"4.2", fmt::vformat(classic, L"{:L}", wstore)); + std::wstring w; + fmt::vformat_to(std::back_inserter(w), classic, L"{:L}", wstore); + EXPECT_EQ(L"4.2", w); + EXPECT_EQ(L"4.2", fmt::format(L"{:L}", 4.2)); +} + +TEST(module_test, string_view) { + fmt::string_view nsv("fmt"); + EXPECT_EQ("fmt", nsv); + EXPECT_TRUE(fmt::string_view("fmt") == nsv); + + fmt::wstring_view wsv(L"fmt"); + EXPECT_EQ(L"fmt", wsv); + EXPECT_TRUE(fmt::wstring_view(L"fmt") == wsv); +} + +TEST(module_test, memory_buffer) { + fmt::basic_memory_buffer<char, fmt::inline_buffer_size> buffer; + fmt::format_to(buffer, "{}", "42"); + EXPECT_EQ("42", to_string(buffer)); + fmt::memory_buffer nbuffer(std::move(buffer)); + EXPECT_EQ("42", to_string(nbuffer)); + buffer = std::move(nbuffer); + EXPECT_EQ("42", to_string(buffer)); + nbuffer.clear(); + EXPECT_EQ(0u, to_string(nbuffer).size()); + + fmt::wmemory_buffer wbuffer; + EXPECT_EQ(0u, to_string(wbuffer).size()); +} + +TEST(module_test, is_char) { + EXPECT_TRUE(fmt::is_char<char>()); + EXPECT_TRUE(fmt::is_char<wchar_t>()); + EXPECT_TRUE(fmt::is_char<char8_t>()); + EXPECT_TRUE(fmt::is_char<char16_t>()); + EXPECT_TRUE(fmt::is_char<char32_t>()); + EXPECT_FALSE(fmt::is_char<signed char>()); +} + +TEST(module_test, ptr) { + uintptr_t answer = 42; + auto p = std::bit_cast<int*>(answer); + EXPECT_EQ("0x2a", fmt::to_string(fmt::ptr(p))); + std::unique_ptr<int> up(p); + EXPECT_EQ("0x2a", fmt::to_string(fmt::ptr(up))); + up.release(); + auto sp = std::make_shared<int>(0); + p = sp.get(); + EXPECT_EQ(fmt::to_string(fmt::ptr(p)), fmt::to_string(fmt::ptr(sp))); +} + +TEST(module_test, errors) { + auto store = fmt::make_format_args(42); + EXPECT_THROW(throw fmt::format_error("oops"), std::exception); + EXPECT_THROW(throw fmt::vsystem_error(0, "{}", store), std::system_error); + EXPECT_THROW(throw fmt::system_error(0, "{}", 42), std::system_error); + + fmt::memory_buffer buffer; + fmt::format_system_error(buffer, 0, "oops"); + auto oops = to_string(buffer); + EXPECT_TRUE(oops.size() > 0); + EXPECT_WRITE(stderr, fmt::report_system_error(0, "oops"), oops + '\n'); + +#ifdef _WIN32 + EXPECT_THROW(throw fmt::vwindows_error(0, "{}", store), std::system_error); + EXPECT_THROW(throw fmt::windows_error(0, "{}", 42), std::system_error); + output_redirect redirect(stderr); + fmt::report_windows_error(0, "oops"); + EXPECT_TRUE(redirect.restore_and_read().size() > 0); +#endif +} + +TEST(module_test, error_code) { + EXPECT_EQ("generic:42", + fmt::format("{0}", std::error_code(42, std::generic_category()))); + EXPECT_EQ("system:42", + fmt::format("{0}", std::error_code(42, fmt::system_category()))); + EXPECT_EQ(L"generic:42", + fmt::format(L"{0}", std::error_code(42, std::generic_category()))); +} + +TEST(module_test, format_int) { + fmt::format_int sanswer(42); + EXPECT_EQ("42", fmt::string_view(sanswer.data(), sanswer.size())); + fmt::format_int uanswer(42u); + EXPECT_EQ("42", fmt::string_view(uanswer.data(), uanswer.size())); +} + +struct test_formatter : fmt::formatter<char> { + bool check() { return true; } +}; + +struct test_dynamic_formatter : fmt::dynamic_formatter<> { + bool check() { return true; } +}; + +TEST(module_test, formatter) { + EXPECT_TRUE(test_formatter{}.check()); + EXPECT_TRUE(test_dynamic_formatter{}.check()); +} + +TEST(module_test, join) { + int arr[3] = {1, 2, 3}; + std::vector<double> vec{1.0, 2.0, 3.0}; + std::initializer_list<int> il{1, 2, 3}; + auto sep = fmt::to_string_view(", "); + EXPECT_EQ("1, 2, 3", to_string(fmt::join(arr + 0, arr + 3, sep))); + EXPECT_EQ("1, 2, 3", to_string(fmt::join(arr, sep))); + EXPECT_EQ("1, 2, 3", to_string(fmt::join(vec.begin(), vec.end(), sep))); + EXPECT_EQ("1, 2, 3", to_string(fmt::join(vec, sep))); + EXPECT_EQ("1, 2, 3", to_string(fmt::join(il, sep))); + + auto wsep = fmt::to_string_view(L", "); + EXPECT_EQ(L"1, 2, 3", fmt::format(L"{}", fmt::join(arr + 0, arr + 3, wsep))); + EXPECT_EQ(L"1, 2, 3", fmt::format(L"{}", fmt::join(arr, wsep))); + EXPECT_EQ(L"1, 2, 3", fmt::format(L"{}", fmt::join(il, wsep))); +} + +TEST(module_test, time) { + auto time_now = std::time(nullptr); + EXPECT_TRUE(fmt::localtime(time_now).tm_year > 120); + EXPECT_TRUE(fmt::gmtime(time_now).tm_year > 120); + auto chrono_now = std::chrono::system_clock::now(); + EXPECT_TRUE(fmt::localtime(chrono_now).tm_year > 120); + EXPECT_TRUE(fmt::gmtime(chrono_now).tm_year > 120); +} + +TEST(module_test, time_point) { + auto now = std::chrono::system_clock::now(); + std::string_view past("2021-05-20 10:30:15"); + EXPECT_TRUE(past < fmt::format("{:%Y-%m-%d %H:%M:%S}", now)); + std::wstring_view wpast(L"2021-05-20 10:30:15"); + EXPECT_TRUE(wpast < fmt::format(L"{:%Y-%m-%d %H:%M:%S}", now)); +} + +TEST(module_test, time_duration) { + using us = std::chrono::duration<double, std::micro>; + EXPECT_EQ("42s", fmt::format("{}", std::chrono::seconds{42})); + EXPECT_EQ("4.2µs", fmt::format("{:3.1}", us{4.234})); + EXPECT_EQ("4.2µs", fmt::format(std::locale::classic(), "{:L}", us{4.2})); + + EXPECT_EQ(L"42s", fmt::format(L"{}", std::chrono::seconds{42})); + EXPECT_EQ(L"4.2µs", fmt::format(L"{:3.1}", us{4.234})); + EXPECT_EQ(L"4.2µs", fmt::format(std::locale::classic(), L"{:L}", us{4.2})); +} + +TEST(module_test, weekday) { + EXPECT_EQ("Mon", fmt::format(std::locale::classic(), "{}", fmt::weekday(1))); +} + +TEST(module_test, to_string_view) { + using fmt::to_string_view; + fmt::string_view nsv{to_string_view("42")}; + EXPECT_EQ("42", nsv); + fmt::wstring_view wsv{to_string_view(L"42")}; + EXPECT_EQ(L"42", wsv); +} + +TEST(module_test, printf) { + EXPECT_WRITE(stdout, fmt::printf("%f", 42.123456), "42.123456"); + EXPECT_WRITE(stdout, fmt::printf("%d", 42), "42"); + if (false) { + EXPECT_WRITE(stdout, fmt::printf(L"%f", 42.123456), + as_string(L"42.123456")); + EXPECT_WRITE(stdout, fmt::printf(L"%d", 42), as_string(L"42")); + } +} + +TEST(module_test, fprintf) { + EXPECT_WRITE(stderr, fmt::fprintf(stderr, "%d", 42), "42"); + std::ostringstream os; + fmt::fprintf(os, "%s", "bla"); + EXPECT_EQ("bla", os.str()); + + EXPECT_WRITE(stderr, fmt::fprintf(stderr, L"%d", 42), as_string(L"42")); + std::wostringstream ws; + fmt::fprintf(ws, L"%s", L"bla"); + EXPECT_EQ(L"bla", ws.str()); +} + +TEST(module_test, sprintf) { + EXPECT_EQ("42", fmt::sprintf("%d", 42)); + EXPECT_EQ(L"42", fmt::sprintf(L"%d", 42)); +} + +TEST(module_test, vprintf) { + EXPECT_WRITE(stdout, fmt::vprintf("%d", fmt::make_printf_args(42)), "42"); + if (false) { + EXPECT_WRITE(stdout, fmt::vprintf(L"%d", fmt::make_wprintf_args(42)), + as_string(L"42")); + } +} + +TEST(module_test, vfprintf) { + auto args = fmt::make_printf_args(42); + EXPECT_WRITE(stderr, fmt::vfprintf(stderr, "%d", args), "42"); + std::ostringstream os; + fmt::vfprintf(os, "%d", args); + EXPECT_EQ("42", os.str()); + auto wargs = fmt::make_wprintf_args(42); + if (false) { + EXPECT_WRITE(stderr, fmt::vfprintf(stderr, L"%d", wargs), as_string(L"42")); + } + std::wostringstream ws; + fmt::vfprintf(ws, L"%d", wargs); + EXPECT_EQ(L"42", ws.str()); +} + +TEST(module_test, vsprintf) { + EXPECT_EQ("42", fmt::vsprintf("%d", fmt::make_printf_args(42))); + EXPECT_EQ(L"42", fmt::vsprintf(L"%d", fmt::make_wprintf_args(42))); +} + +TEST(module_test, color) { + auto fg_check = fg(fmt::rgb(255, 200, 30)); + auto bg_check = bg(fmt::color::dark_slate_gray) | fmt::emphasis::italic; + auto emphasis_check = fmt::emphasis::underline | fmt::emphasis::bold; + EXPECT_EQ("\x1B[30m42\x1B[0m", + fmt::format(fg(fmt::terminal_color::black), "{}", 42)); + EXPECT_EQ(L"\x1B[30m42\x1B[0m", + fmt::format(fg(fmt::terminal_color::black), L"{}", 42)); +} + +TEST(module_test, cstring_view) { + auto s = "fmt"; + EXPECT_EQ(s, fmt::cstring_view(s).c_str()); + auto w = L"fmt"; + EXPECT_EQ(w, fmt::wcstring_view(w).c_str()); +} + +TEST(module_test, buffered_file) { + EXPECT_TRUE(fmt::buffered_file{}.get() == nullptr); +} + +TEST(module_test, output_file) { + fmt::ostream out = fmt::output_file("module-test", fmt::buffer_size = 1); + out.close(); +} + +struct custom_context { + using char_type = char; + using parse_context_type = fmt::format_parse_context; +}; + +TEST(module_test, custom_context) { + fmt::basic_format_arg<custom_context> custom_arg; + EXPECT_TRUE(!custom_arg); +} + +struct disabled_formatter {}; + +TEST(module_test, has_formatter) { + EXPECT_FALSE( + (fmt::has_formatter<disabled_formatter, fmt::format_context>::value)); +} + +TEST(module_test, is_formattable) { + EXPECT_FALSE(fmt::is_formattable<disabled_formatter>::value); +} + +TEST(module_test, compile_format_string) { + using namespace fmt::literals; + EXPECT_EQ("42", fmt::format("{0:x}"_cf, 0x42)); + EXPECT_EQ(L"42", fmt::format(L"{:}"_cf, 42)); + EXPECT_EQ("4.2", fmt::format("{arg:3.1f}"_cf, "arg"_a = 4.2)); + EXPECT_EQ(L" 42", fmt::format(L"{arg:>3}"_cf, L"arg"_a = L"42")); +} |