21c2137e77
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru> Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
// Formatting library for C++ - tests of formatters for standard library types
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#include "fmt/std.h"
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#include <string>
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#include <vector>
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#include "fmt/ranges.h"
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#include "gtest/gtest.h"
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TEST(std_test, path) {
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#ifdef __cpp_lib_filesystem
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EXPECT_EQ(fmt::format("{:8}", std::filesystem::path("foo")), "\"foo\" ");
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EXPECT_EQ(fmt::format("{}", std::filesystem::path("foo\"bar.txt")),
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"\"foo\\\"bar.txt\"");
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# ifdef _WIN32
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// File.txt in Russian.
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const wchar_t unicode_path[] = {0x424, 0x430, 0x439, 0x43b, 0x2e,
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0x74, 0x78, 0x74, 0};
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const char unicode_u8path[] = {'"', char(0xd0), char(0xa4), char(0xd0),
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char(0xb0), char(0xd0), char(0xb9), char(0xd0),
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char(0xbb), '.', 't', 'x',
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't', '"', '\0'};
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EXPECT_EQ(fmt::format("{}", std::filesystem::path(unicode_path)),
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unicode_u8path);
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# endif
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#endif
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}
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TEST(ranges_std_test, format_vector_path) {
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// Test ambiguity problem described in #2954.
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#ifdef __cpp_lib_filesystem
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auto p = std::filesystem::path("foo/bar.txt");
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auto c = std::vector<std::string>{"abc", "def"};
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EXPECT_EQ(fmt::format("path={}, range={}", p, c),
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"path=\"foo/bar.txt\", range=[\"abc\", \"def\"]");
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#endif
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}
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TEST(std_test, thread_id) {
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EXPECT_FALSE(fmt::format("{}", std::this_thread::get_id()).empty());
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}
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TEST(std_test, variant) {
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#ifdef __cpp_lib_variant
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EXPECT_EQ(fmt::format("{}", std::monostate{}), "monostate");
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using V0 = std::variant<int, float, std::string, char>;
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V0 v0(42);
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V0 v1(1.5f);
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V0 v2("hello");
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V0 v3('i');
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EXPECT_EQ(fmt::format("{}", v0), "variant(42)");
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EXPECT_EQ(fmt::format("{}", v1), "variant(1.5)");
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EXPECT_EQ(fmt::format("{}", v2), "variant(\"hello\")");
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EXPECT_EQ(fmt::format("{}", v3), "variant('i')");
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struct unformattable {};
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EXPECT_FALSE((fmt::is_formattable<unformattable>::value));
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EXPECT_FALSE((fmt::is_formattable<std::variant<unformattable>>::value));
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EXPECT_FALSE((fmt::is_formattable<std::variant<unformattable, int>>::value));
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EXPECT_FALSE((fmt::is_formattable<std::variant<int, unformattable>>::value));
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EXPECT_FALSE(
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(fmt::is_formattable<std::variant<unformattable, unformattable>>::value));
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EXPECT_TRUE((fmt::is_formattable<std::variant<int, float>>::value));
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using V1 = std::variant<std::monostate, std::string, std::string>;
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V1 v4{};
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V1 v5{std::in_place_index<1>, "yes, this is variant"};
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EXPECT_EQ(fmt::format("{}", v4), "variant(monostate)");
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EXPECT_EQ(fmt::format("{}", v5), "variant(\"yes, this is variant\")");
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volatile int i = 42; // Test compile error before GCC 11 described in #3068.
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EXPECT_EQ(fmt::format("{}", i), "42");
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#endif
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}
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template <typename Catch> void exception_test() {
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try {
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throw std::runtime_error("Test Exception");
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} catch (const Catch& ex) {
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EXPECT_EQ("Test Exception", fmt::format("{}", ex));
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EXPECT_EQ("std::runtime_error: Test Exception", fmt::format("{:t}", ex));
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}
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}
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namespace my_ns1 {
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namespace my_ns2 {
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struct my_exception : public std::exception {
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private:
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std::string msg;
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public:
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my_exception(const std::string& s) : msg(s) {}
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const char* what() const noexcept override;
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};
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const char* my_exception::what() const noexcept { return msg.c_str(); }
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} // namespace my_ns2
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} // namespace my_ns1
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TEST(std_test, exception) {
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exception_test<std::exception>();
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exception_test<std::runtime_error>();
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try {
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using namespace my_ns1::my_ns2;
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throw my_exception("My Exception");
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} catch (const std::exception& ex) {
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EXPECT_EQ("my_ns1::my_ns2::my_exception: My Exception",
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fmt::format("{:t}", ex));
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EXPECT_EQ("My Exception", fmt::format("{:}", ex));
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}
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}
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