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add tests for specs, std::string_view -> fmt::basic_string_view in test_string

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This commit is contained in:
Alexey Ochapov 2020-12-09 02:58:56 +03:00
parent c20874c28f
commit 725eedf1ae
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GPG Key ID: 9DC52E8F031B8DA8
1 changed files with 43 additions and 8 deletions
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51
test/compile-test.cc
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@ -7,9 +7,6 @@
#include <string>
#include <type_traits>
#if __cplusplus >= 202002L
# include <string_view>
#endif
// Check that fmt/compile.h compiles with windows.h included before it.
#ifdef _WIN32
@ -188,16 +185,16 @@ TEST(CompileTest, CompileFormatStringLiteral) {
#endif
#if __cplusplus >= 202002L
template <size_t max_string_length> struct test_string {
template <size_t max_string_length, typename Char = char> struct test_string {
template <typename T> constexpr bool operator==(const T& rhs) const noexcept {
return (std::string_view(rhs).compare(buffer.data()) == 0);
return fmt::basic_string_view<Char>(rhs).compare(buffer.data()) == 0;
}
std::array<char, max_string_length> buffer{};
std::array<Char, max_string_length> buffer{};
};
template <size_t max_string_length, typename... Args>
template <size_t max_string_length, typename Char = char, typename... Args>
consteval auto test_format(auto format, const Args&... args) {
test_string<max_string_length> string{};
test_string<max_string_length, Char> string{};
fmt::format_to(string.buffer.data(), format, args...);
return string;
}
@ -205,6 +202,8 @@ consteval auto test_format(auto format, const Args&... args) {
TEST(CompileTimeFormattingTest, Bool) {
EXPECT_EQ("true", test_format<5>(FMT_COMPILE("{}"), true));
EXPECT_EQ("false", test_format<6>(FMT_COMPILE("{}"), false));
EXPECT_EQ("true ", test_format<6>(FMT_COMPILE("{:5}"), true));
EXPECT_EQ("1", test_format<2>(FMT_COMPILE("{:d}"), true));
}
TEST(CompileTimeFormattingTest, Integer) {
@ -213,16 +212,52 @@ TEST(CompileTimeFormattingTest, Integer) {
EXPECT_EQ("42 42", test_format<6>(FMT_COMPILE("{} {}"), 42, 42));
EXPECT_EQ("42 42",
test_format<6>(FMT_COMPILE("{} {}"), uint32_t{42}, uint64_t{42}));
EXPECT_EQ("+42", test_format<4>(FMT_COMPILE("{:+}"), 42));
EXPECT_EQ("42", test_format<3>(FMT_COMPILE("{:-}"), 42));
EXPECT_EQ(" 42", test_format<4>(FMT_COMPILE("{: }"), 42));
EXPECT_EQ("101010", test_format<7>(FMT_COMPILE("{:b}"), 42));
EXPECT_EQ("0b101010", test_format<9>(FMT_COMPILE("{:#b}"), 42));
EXPECT_EQ("0B101010", test_format<9>(FMT_COMPILE("{:#B}"), 42));
EXPECT_EQ("042", test_format<4>(FMT_COMPILE("{:#o}"), 042));
EXPECT_EQ("0x4a", test_format<5>(FMT_COMPILE("{:#x}"), 0x4a));
EXPECT_EQ("0X4A", test_format<5>(FMT_COMPILE("{:#X}"), 0x4a));
EXPECT_EQ(" 42", test_format<6>(FMT_COMPILE("{:5}"), 42));
EXPECT_EQ(" 42", test_format<6>(FMT_COMPILE("{:5}"), 42ll));
EXPECT_EQ(" 42", test_format<6>(FMT_COMPILE("{:5}"), 42ull));
EXPECT_EQ("42 ", test_format<5>(FMT_COMPILE("{:<4}"), 42));
EXPECT_EQ(" 42", test_format<5>(FMT_COMPILE("{:>4}"), 42));
EXPECT_EQ(" 42 ", test_format<5>(FMT_COMPILE("{:^4}"), 42));
EXPECT_EQ("**-42", test_format<6>(FMT_COMPILE("{:*>5}"), -42));
}
TEST(CompileTimeFormattingTest, Char) {
EXPECT_EQ("c", test_format<2>(FMT_COMPILE("{}"), 'c'));
EXPECT_EQ("c ", test_format<4>(FMT_COMPILE("{:3}"), 'c'));
EXPECT_EQ("99", test_format<3>(FMT_COMPILE("{:d}"), 'c'));
}
TEST(CompileTimeFormattingTest, String) {
EXPECT_EQ("42", test_format<3>(FMT_COMPILE("{}"), "42"));
EXPECT_EQ("The answer is 42",
test_format<17>(FMT_COMPILE("{} is {}"), "The answer", "42"));
EXPECT_EQ("abc**", test_format<6>(FMT_COMPILE("{:*<5}"), "abc"));
EXPECT_EQ("**🤡**", test_format<9>(FMT_COMPILE("{:*^5}"), "🤡"));
}
TEST(CompileTimeFormattingTest, Combination) {
EXPECT_EQ("420, true, answer",
test_format<18>(FMT_COMPILE("{}, {}, {}"), 420, true, "answer"));
EXPECT_EQ(" -42", test_format<5>(FMT_COMPILE("{:{}}"), -42, 4));
}
TEST(CompileTimeFormattingTest, MultiByteFill) {
EXPECT_EQ("жж42", test_format<8>(FMT_COMPILE("{:ж>4}"), 42));
}
#endif