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Move detail::truncating_iterator to fmt/compile.h

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This commit is contained in:
Victor Zverovich
2021-03-06 08:35:36 -08:00
parent e718ec3e93
commit 6e1fc01752
5 changed files with 116 additions and 136 deletions
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test/compile-test.cc
+37
View File
@@ -19,6 +19,43 @@
#include "gtest-extra.h"
#include "util.h"
TEST(IteratorTest, TruncatingIterator) {
char* p = nullptr;
fmt::detail::truncating_iterator<char*> it(p, 3);
auto prev = it++;
EXPECT_EQ(prev.base(), p);
EXPECT_EQ(it.base(), p + 1);
}
TEST(IteratorTest, TruncatingIteratorDefaultConstruct) {
static_assert(
std::is_default_constructible<fmt::detail::truncating_iterator<char*>>::value,
"");
fmt::detail::truncating_iterator<char*> it;
EXPECT_EQ(nullptr, it.base());
EXPECT_EQ(std::size_t{0}, it.count());
}
#ifdef __cpp_lib_ranges
TEST(IteratorTest, TruncatingIteratorOutputIterator) {
static_assert(std::output_iterator<fmt::detail::truncating_iterator<char*>,
char>);
}
#endif
TEST(IteratorTest, TruncatingBackInserter) {
std::string buffer;
auto bi = std::back_inserter(buffer);
fmt::detail::truncating_iterator<decltype(bi)> it(bi, 2);
*it++ = '4';
*it++ = '2';
*it++ = '1';
EXPECT_EQ(buffer.size(), 2);
EXPECT_EQ(buffer, "42");
}
// compiletime_prepared_parts_type_provider is useful only with relaxed
// constexpr.
#if FMT_USE_CONSTEXPR
test/format-test.cc
-37
View File
@@ -151,43 +151,6 @@ TEST(IteratorTest, CountingIterator) {
EXPECT_EQ((it + 41).count(), 42);
}
TEST(IteratorTest, TruncatingIterator) {
char* p = nullptr;
fmt::detail::truncating_iterator<char*> it(p, 3);
auto prev = it++;
EXPECT_EQ(prev.base(), p);
EXPECT_EQ(it.base(), p + 1);
}
TEST(IteratorTest, TruncatingIteratorDefaultConstruct) {
static_assert(
std::is_default_constructible<fmt::detail::truncating_iterator<char*>>::value,
"");
fmt::detail::truncating_iterator<char*> it;
EXPECT_EQ(nullptr, it.base());
EXPECT_EQ(std::size_t{0}, it.count());
}
#ifdef __cpp_lib_ranges
TEST(IteratorTest, TruncatingIteratorOutputIterator) {
static_assert(std::output_iterator<fmt::detail::truncating_iterator<char*>,
char>);
}
#endif
TEST(IteratorTest, TruncatingBackInserter) {
std::string buffer;
auto bi = std::back_inserter(buffer);
fmt::detail::truncating_iterator<decltype(bi)> it(bi, 2);
*it++ = '4';
*it++ = '2';
*it++ = '1';
EXPECT_EQ(buffer.size(), 2);
EXPECT_EQ(buffer, "42");
}
TEST(IteratorTest, IsOutputIterator) {
EXPECT_TRUE((fmt::detail::is_output_iterator<char*, char>::value));
EXPECT_FALSE((fmt::detail::is_output_iterator<const char*, char>::value));
test/printf-test.cc
-20
View File
@@ -606,23 +606,3 @@ TEST(PrintfTest, VSPrintfMakeWArgsExample) {
{fmt::make_wprintf_args(42, L"something")}));
#endif
}
TEST(PrintfTest, PrintfDetermineOutputSize) {
using backit = std::back_insert_iterator<std::vector<char>>;
using truncated_printf_context =
fmt::basic_printf_context<fmt::detail::truncating_iterator<backit>, char>;
auto v = std::vector<char>{};
auto it = std::back_inserter(v);
const auto format_string = "%s";
const auto format_arg = "Hello";
const auto expected_size = fmt::sprintf(format_string, format_arg).size();
EXPECT_EQ((truncated_printf_context(
fmt::detail::truncating_iterator<backit>(it, 0), format_string,
fmt::make_format_args<truncated_printf_context>(format_arg))
.format()
.count()),
expected_size);
}