98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
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// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/time/internal/cctz/include/cctz/time_zone.h"
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#include "gtest/gtest.h"
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#include "absl/time/internal/test_util.h"
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#include "absl/time/time.h"
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namespace cctz = absl::time_internal::cctz;
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namespace {
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TEST(TimeZone, ValueSemantics) {
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absl::TimeZone tz;
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absl::TimeZone tz2 = tz; // Copy-construct
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EXPECT_EQ(tz, tz2);
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tz2 = tz; // Copy-assign
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EXPECT_EQ(tz, tz2);
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}
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TEST(TimeZone, Equality) {
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absl::TimeZone a, b;
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EXPECT_EQ(a, b);
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EXPECT_EQ(a.name(), b.name());
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absl::TimeZone implicit_utc;
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absl::TimeZone explicit_utc = absl::UTCTimeZone();
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EXPECT_EQ(implicit_utc, explicit_utc);
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EXPECT_EQ(implicit_utc.name(), explicit_utc.name());
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absl::TimeZone la = absl::time_internal::LoadTimeZone("America/Los_Angeles");
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absl::TimeZone nyc = absl::time_internal::LoadTimeZone("America/New_York");
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EXPECT_NE(la, nyc);
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}
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TEST(TimeZone, CCTZConversion) {
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const cctz::time_zone cz = cctz::utc_time_zone();
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const absl::TimeZone tz(cz);
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EXPECT_EQ(cz, cctz::time_zone(tz));
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}
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TEST(TimeZone, DefaultTimeZones) {
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absl::TimeZone tz;
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EXPECT_EQ("UTC", absl::TimeZone().name());
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EXPECT_EQ("UTC", absl::UTCTimeZone().name());
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}
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TEST(TimeZone, FixedTimeZone) {
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const absl::TimeZone tz = absl::FixedTimeZone(123);
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const cctz::time_zone cz = cctz::fixed_time_zone(cctz::seconds(123));
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EXPECT_EQ(tz, absl::TimeZone(cz));
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}
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TEST(TimeZone, LocalTimeZone) {
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const absl::TimeZone local_tz = absl::LocalTimeZone();
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absl::TimeZone tz = absl::time_internal::LoadTimeZone("localtime");
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EXPECT_EQ(tz, local_tz);
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}
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TEST(TimeZone, NamedTimeZones) {
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absl::TimeZone nyc = absl::time_internal::LoadTimeZone("America/New_York");
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EXPECT_EQ("America/New_York", nyc.name());
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absl::TimeZone syd = absl::time_internal::LoadTimeZone("Australia/Sydney");
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EXPECT_EQ("Australia/Sydney", syd.name());
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absl::TimeZone fixed = absl::FixedTimeZone((((3 * 60) + 25) * 60) + 45);
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EXPECT_EQ("Fixed/UTC+03:25:45", fixed.name());
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}
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TEST(TimeZone, Failures) {
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absl::TimeZone tz = absl::time_internal::LoadTimeZone("America/Los_Angeles");
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EXPECT_FALSE(LoadTimeZone("Invalid/TimeZone", &tz));
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EXPECT_EQ(absl::UTCTimeZone(), tz); // guaranteed fallback to UTC
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// Ensures that the load still fails on a subsequent attempt.
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tz = absl::time_internal::LoadTimeZone("America/Los_Angeles");
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EXPECT_FALSE(LoadTimeZone("Invalid/TimeZone", &tz));
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EXPECT_EQ(absl::UTCTimeZone(), tz); // guaranteed fallback to UTC
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// Loading an empty string timezone should fail.
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tz = absl::time_internal::LoadTimeZone("America/Los_Angeles");
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EXPECT_FALSE(LoadTimeZone("", &tz));
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EXPECT_EQ(absl::UTCTimeZone(), tz); // guaranteed fallback to UTC
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}
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} // namespace
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