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#include "common.hh"
#include "tz_str.hh"
#include <gtest/gtest.h>
namespace {
constexpr const time_t kMin = 60;
constexpr const time_t kHour = 60 * kMin;
constexpr const time_t kDay = 24 * kHour;
} // namespace
TEST(tz_str, get_local_time_no_dst) {
auto ret = tz::get_local_time("HST10", 0);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(0 - 10 * kHour, ret.value());
}
ret = tz::get_local_time("HST10", kDay * 180);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(kDay * 180 - 10 * kHour, ret.value());
}
}
TEST(tz_str, get_local_time_quote) {
auto ret = tz::get_local_time("<HST-FOO>10", 0);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(0 - 10 * kHour, ret.value());
}
}
TEST(tz_str, get_local_time_dst) {
auto ret = tz::get_local_time("IST-1GMT0,M10.5.0,M3.5.0/1", 0);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(0 * kHour, ret.value());
}
ret = tz::get_local_time("IST-1GMT0,M10.5.0,M3.5.0/1", kDay * 180);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(kDay * 180 + 1 * kHour, ret.value());
}
ret = tz::get_local_time("GMT0IST,M3.5.0/1,M10.5.0", 0);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(0 * kHour, ret.value());
}
ret = tz::get_local_time("GMT0IST,M3.5.0/1,M10.5.0", kDay * 180);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(kDay * 180 + 1 * kHour, ret.value());
}
ret = tz::get_local_time("NZST-12:00:00NZDT-13:00:00,M10.1.0,M3.3.0", 0);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(13 * kHour, ret.value());
}
ret = tz::get_local_time("NZST-12:00:00NZDT-13:00:00,M10.1.0,M3.3.0",
kDay * 180);
EXPECT_TRUE(ret.has_value());
if (ret.has_value()) {
EXPECT_EQ(kDay * 180 + 12 * kHour, ret.value());
}
}
TEST(tz_str, get_local_time_bad) {
auto ret = tz::get_local_time("<HST-", 0);
EXPECT_FALSE(ret.has_value());
ret = tz::get_local_time("< >1", 0);
EXPECT_FALSE(ret.has_value());
ret = tz::get_local_time("HS10", 0);
EXPECT_FALSE(ret.has_value());
ret = tz::get_local_time("HST", 0);
EXPECT_FALSE(ret.has_value());
ret = tz::get_local_time("HST-300", 0);
EXPECT_FALSE(ret.has_value());
ret = tz::get_local_time("HST-10:300", 0);
EXPECT_FALSE(ret.has_value());
ret = tz::get_local_time("HST-10:00:300", 0);
EXPECT_FALSE(ret.has_value());
}
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