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New tests for all C++11 std::strftime format specifiers

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Vladislav Shchapov 2021-10-09 16:27:02 +05:00 committed by Victor Zverovich
parent 7aca36bca4
commit 85b38190d1
1 changed files with 55 additions and 0 deletions
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55
test/chrono-test.cc
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@ -7,6 +7,8 @@
#include "fmt/chrono.h" #include "fmt/chrono.h"
#include <vector>
#include "gtest-extra.h" // EXPECT_THROW_MSG #include "gtest-extra.h" // EXPECT_THROW_MSG
#include "util.h" // get_locale #include "util.h" // get_locale
@ -48,10 +50,45 @@ TEST(chrono_test, format_tm) {
tm.tm_sec = 33; tm.tm_sec = 33;
EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm), EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm),
"The date is 2016-04-25 11:22:33."); "The date is 2016-04-25 11:22:33.");
EXPECT_EQ(fmt::format("{:%Y}", tm), "2016");
EXPECT_EQ(fmt::format("{:%e}", tm), "25");
EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/16");
EXPECT_EQ(fmt::format("{:%F}", tm), "2016-04-25"); EXPECT_EQ(fmt::format("{:%F}", tm), "2016-04-25");
EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33"); EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33");
} }
TEST(chrono_test, format_tm_future) {
auto tm = std::tm();
tm.tm_year = 10445; // 10000+ years
tm.tm_mon = 3;
tm.tm_mday = 25;
tm.tm_hour = 11;
tm.tm_min = 22;
tm.tm_sec = 33;
EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm),
"The date is 12345-04-25 11:22:33.");
EXPECT_EQ(fmt::format("{:%Y}", tm), "12345");
EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/45");
EXPECT_EQ(fmt::format("{:%F}", tm), "12345-04-25");
EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33");
}
TEST(chrono_test, format_tm_past) {
auto tm = std::tm();
tm.tm_year = -2001;
tm.tm_mon = 3;
tm.tm_mday = 25;
tm.tm_hour = 11;
tm.tm_min = 22;
tm.tm_sec = 33;
EXPECT_EQ(fmt::format("The date is {:%Y-%m-%d %H:%M:%S}.", tm),
"The date is -101-04-25 11:22:33.");
EXPECT_EQ(fmt::format("{:%Y}", tm), "-101");
EXPECT_EQ(fmt::format("{:%D}", tm), "04/25/01");
EXPECT_EQ(fmt::format("{:%F}", tm), "-101-04-25");
EXPECT_EQ(fmt::format("{:%T}", tm), "11:22:33");
}
TEST(chrono_test, grow_buffer) { TEST(chrono_test, grow_buffer) {
auto s = std::string("{:"); auto s = std::string("{:");
for (int i = 0; i < 30; ++i) s += "%c"; for (int i = 0; i < 30; ++i) s += "%c";
@ -106,6 +143,24 @@ TEST(chrono_test, time_point) {
std::chrono::time_point<std::chrono::system_clock, std::chrono::seconds>; std::chrono::time_point<std::chrono::system_clock, std::chrono::seconds>;
auto t2 = time_point(std::chrono::seconds(42)); auto t2 = time_point(std::chrono::seconds(42));
EXPECT_EQ(strftime(t2), fmt::format("{:%Y-%m-%d %H:%M:%S}", t2)); EXPECT_EQ(strftime(t2), fmt::format("{:%Y-%m-%d %H:%M:%S}", t2));
std::vector<std::string> spec_list = {
"%%", "%n", "%t", "%Y", "%EY", "%y", "%Oy", "%Ey", "%C", "%EC",
"%G", "%g", "%b", "%h", "%B", "%m", "%Om", "%U", "%OU", "%W",
"%OW", "%V", "%OV", "%j", "%d", "%Od", "%e", "%Oe", "%a", "%A",
"%w", "%Ow", "%u", "%Ou", "%H", "%OH", "%I", "%OI", "%M", "%OM",
"%S", "%OS", "%c", "%Ec", "%x", "%Ex", "%X", "%EX", "%D", "%F",
"%r", "%R", "%T", "%p", "%z", "%Z"};
for (const auto& spec : spec_list) {
auto t = std::chrono::system_clock::to_time_t(t1);
auto tm = *std::localtime(&t);
char output[256] = {};
std::strftime(output, sizeof(output), spec.c_str(), &tm);
auto fmt_spec = std::string("{:").append(spec).append("}");
EXPECT_EQ(output, fmt::format(fmt::runtime(fmt_spec), t1));
EXPECT_EQ(output, fmt::format(fmt::runtime(fmt_spec), tm));
}
} }
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR #ifndef FMT_STATIC_THOUSANDS_SEPARATOR