Abseil Common Libraries (C++) (grcp 依赖)
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97 lines
3.2 KiB
97 lines
3.2 KiB
// 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 std::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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