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Optimize compiled format_to_n

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This commit is contained in:
Victor Zverovich
2023-07-20 12:32:55 -07:00
parent 388bc296b7
commit 436c131d4c
2 changed files with 4 additions and 113 deletions
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32
test/compile-test.cc
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@ -21,38 +21,6 @@ TEST(iterator_test, counting_iterator) {
EXPECT_EQ((it + 41).count(), 42);
}
TEST(iterator_test, truncating_iterator) {
char* p = nullptr;
auto it = fmt::detail::truncating_iterator<char*>(p, 3);
auto prev = it++;
EXPECT_EQ(prev.base(), p);
EXPECT_EQ(it.base(), p + 1);
}
TEST(iterator_test, truncating_iterator_default_construct) {
auto it = fmt::detail::truncating_iterator<char*>();
EXPECT_EQ(nullptr, it.base());
EXPECT_EQ(std::size_t{0}, it.count());
}
#ifdef __cpp_lib_ranges
TEST(iterator_test, truncating_iterator_is_output_iterator) {
static_assert(
std::output_iterator<fmt::detail::truncating_iterator<char*>, char>);
}
#endif
TEST(iterator_test, truncating_back_inserter) {
auto buffer = std::string();
auto bi = std::back_inserter(buffer);
auto it = fmt::detail::truncating_iterator<decltype(bi)>(bi, 2);
*it++ = '4';
*it++ = '2';
*it++ = '1';
EXPECT_EQ(buffer.size(), 2);
EXPECT_EQ(buffer, "42");
}
TEST(compile_test, compile_fallback) {
// FMT_COMPILE should fallback on runtime formatting when `if constexpr` is
// not available.