fmtlegacy/test/time-test.cc
2018-12-09 06:45:20 -08:00

69 lines
1.6 KiB
C++

// Formatting library for C++ - time formatting tests
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifdef WIN32
#define _CRT_SECURE_NO_WARNINGS
#endif
#include "gmock.h"
#include "fmt/locale.h"
#include "fmt/time.h"
TEST(TimeTest, Format) {
std::tm tm = std::tm();
tm.tm_year = 116;
tm.tm_mon = 3;
tm.tm_mday = 25;
EXPECT_EQ("The date is 2016-04-25.",
fmt::format("The date is {:%Y-%m-%d}.", tm));
}
TEST(TimeTest, GrowBuffer) {
std::string s = "{:";
for (int i = 0; i < 30; ++i)
s += "%c";
s += "}\n";
std::time_t t = std::time(FMT_NULL);
fmt::format(s, *std::localtime(&t));
}
TEST(TimeTest, FormatToEmptyContainer) {
std::string s;
auto time = std::tm();
time.tm_sec = 42;
fmt::format_to(std::back_inserter(s), "{:%S}", time);
EXPECT_EQ(s, "42");
}
TEST(TimeTest, EmptyResult) {
EXPECT_EQ("", fmt::format("{}", std::tm()));
}
static bool EqualTime(const std::tm &lhs, const std::tm &rhs) {
return lhs.tm_sec == rhs.tm_sec &&
lhs.tm_min == rhs.tm_min &&
lhs.tm_hour == rhs.tm_hour &&
lhs.tm_mday == rhs.tm_mday &&
lhs.tm_mon == rhs.tm_mon &&
lhs.tm_year == rhs.tm_year &&
lhs.tm_wday == rhs.tm_wday &&
lhs.tm_yday == rhs.tm_yday &&
lhs.tm_isdst == rhs.tm_isdst;
}
TEST(TimeTest, LocalTime) {
std::time_t t = std::time(FMT_NULL);
std::tm tm = *std::localtime(&t);
EXPECT_TRUE(EqualTime(tm, fmt::localtime(t)));
}
TEST(TimeTest, GMTime) {
std::time_t t = std::time(FMT_NULL);
std::tm tm = *std::gmtime(&t);
EXPECT_TRUE(EqualTime(tm, fmt::gmtime(t)));
}