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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/policy/weekly_time/time_utils.h"
#include <memory>
#include <utility>
#include "base/i18n/rtl.h"
#include "base/memory/ptr_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/icu_test_util.h"
#include "base/test/simple_test_clock.h"
#include "base/time/time.h"
#include "chromeos/ash/components/policy/weekly_time/weekly_time.h"
#include "chromeos/ash/components/policy/weekly_time/weekly_time_interval.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace em = enterprise_management;
namespace policy {
namespace weekly_time_utils {
namespace {
enum {
kMonday = 1,
kTuesday = 2,
kWednesday = 3,
kThursday = 4,
kFriday = 5,
kSaturday = 6,
kSunday = 7,
};
constexpr base::Time::Exploded kDaylightSavingsTime = {.year = 2018,
.month = 8,
.day_of_week = 3,
.day_of_month = 8,
.hour = 15};
constexpr base::Time::Exploded kNonDaylightSavingsTime{.year = 2018,
.month = 1,
.day_of_month = 28};
base::Time TimeFromString(const char* text) {
base::Time time;
const bool success = base::Time::FromString(text, &time);
DCHECK(success);
return time;
}
} // namespace
class TimeUtilsTimezoneFunctionsTest : public testing::Test {
protected:
void SetUp() override {
// Daylight savings are off by default
SetDaylightSavings(false);
timezone_.reset(icu::TimeZone::createDefault());
icu::TimeZone::adoptDefault(
icu::TimeZone::createTimeZone("America/New_York"));
}
void TearDown() override { icu::TimeZone::adoptDefault(timezone_.release()); }
void SetDaylightSavings(bool is_daylight_savings) {
if (is_daylight_savings) {
// Friday July 13th
base::Time test_time;
ASSERT_TRUE(
base::Time::FromUTCExploded(kDaylightSavingsTime, &test_time));
test_clock_.SetNow(test_time);
} else {
// Sunday January 28
base::Time test_time;
ASSERT_TRUE(
base::Time::FromUTCExploded(kNonDaylightSavingsTime, &test_time));
test_clock_.SetNow(test_time);
}
}
base::SimpleTestClock test_clock_;
private:
std::unique_ptr<icu::TimeZone> timezone_;
};
TEST_F(TimeUtilsTimezoneFunctionsTest, GetOffsetFromTimezoneToGmt) {
// GMT + 7
auto zone = base::WrapUnique(icu::TimeZone::createTimeZone(
icu::UnicodeString::fromUTF8("Asia/Jakarta")));
int result;
GetOffsetFromTimezoneToGmt(*zone, &test_clock_, &result);
// Negative since it's a conversion from |timezone| to GMT.
EXPECT_EQ(result, base::Hours(-7).InMilliseconds());
// Passing in the string should also work and yield the same result.
int result2;
GetOffsetFromTimezoneToGmt("Asia/Jakarta", &test_clock_, &result2);
EXPECT_EQ(result2, result);
}
TEST_F(TimeUtilsTimezoneFunctionsTest, GetOffsetFromTimezoneToGmtDaylight) {
SetDaylightSavings(true);
// GMT -7.
auto zone = base::WrapUnique(icu::TimeZone::createTimeZone(
icu::UnicodeString::fromUTF8("America/Los_Angeles")));
int result;
GetOffsetFromTimezoneToGmt(*zone, &test_clock_, &result);
EXPECT_EQ(result, base::Hours(7).InMilliseconds());
// Passing in the string should also work and yield the same result.
int result2;
GetOffsetFromTimezoneToGmt("America/Los_Angeles", &test_clock_, &result2);
EXPECT_EQ(result2, result);
}
TEST_F(TimeUtilsTimezoneFunctionsTest, GetOffsetFromTimezoneToGmtNoDaylight) {
SetDaylightSavings(false);
// GMT + 8.
auto zone = base::WrapUnique(icu::TimeZone::createTimeZone(
icu::UnicodeString::fromUTF8("America/Los_Angeles")));
int result;
GetOffsetFromTimezoneToGmt(*zone, &test_clock_, &result);
EXPECT_EQ(result, base::Hours(8).InMilliseconds());
// Passing in the string should also work and yield the same result.
int result2;
GetOffsetFromTimezoneToGmt("America/Los_Angeles", &test_clock_, &result2);
EXPECT_EQ(result2, result);
}
TEST(TimeUtilsEmptyIntervalVector, NeverContainsTime) {
EXPECT_FALSE(Contains(base::Time{}, {}));
EXPECT_FALSE(Contains(base::Time::Now(), {}));
}
TEST(TimeUtilsEmptyIntervalVector, HasNoNextEvent) {
EXPECT_EQ(GetNextEventTime(base::Time{}, {}), std::nullopt);
EXPECT_EQ(GetNextEventTime(base::Time::Now(), {}), std::nullopt);
}
TEST(TimeUtilsNonEmptyIntervalVector, SometimesContainsTime) {
const std::vector<WeeklyTimeInterval> intervals = {
// First
{WeeklyTime{kSunday, 0, 0},
WeeklyTime{kSunday, base::Hours(2).InMilliseconds(), 0}},
// Second (overlaps with first)
{WeeklyTime{kSunday, base::Hours(1).InMilliseconds(), 0},
WeeklyTime{kSunday, base::Hours(3).InMilliseconds(), 0}},
// Third, no overlap
{WeeklyTime{kMonday, 0, 0},
WeeklyTime{kMonday, base::Hours(2).InMilliseconds() + 17, 0}},
};
// First interval, before begin.
EXPECT_FALSE(
Contains(TimeFromString("Sat, 17 Apr 2021 23:59:59 GMT"), intervals));
// First interval, at begin.
EXPECT_TRUE(
Contains(TimeFromString("Sun, 18 Apr 2021 00:00:00 GMT"), intervals));
// First interval, within.
EXPECT_TRUE(
Contains(TimeFromString("Sun, 18 Apr 2021 00:42:00 GMT"), intervals));
// First interval, right before the end.
EXPECT_TRUE(
Contains(TimeFromString("Sun, 18 Apr 2021 01:59:59 GMT"), intervals));
// First interval, at the end (but still in second interval).
EXPECT_TRUE(
Contains(TimeFromString("Sun, 18 Apr 2021 02:00:00 GMT"), intervals));
// Second interval, right before the end.
EXPECT_TRUE(
Contains(TimeFromString("Sun, 18 Apr 2021 02:59:59 GMT"), intervals));
// Second interval, at the end.
EXPECT_FALSE(
Contains(TimeFromString("Sun, 18 Apr 2021 03:00:00 GMT"), intervals));
// Third interval, before begin.
EXPECT_FALSE(
Contains(TimeFromString("Sun, 18 Apr 2021 23:59:59 GMT"), intervals));
// Third interval, begin.
EXPECT_TRUE(
Contains(TimeFromString("Mon, 19 Apr 2021 00:00:00 GMT"), intervals));
// Third interval, within.
EXPECT_TRUE(
Contains(TimeFromString("Mon, 19 Apr 2021 00:42:00 GMT"), intervals));
// Third interval, right before the end.
EXPECT_TRUE(
Contains(TimeFromString("Mon, 19 Apr 2021 02:00:00.016 GMT"), intervals));
// Third interval, at the end.
EXPECT_FALSE(
Contains(TimeFromString("Mon, 19 Apr 2021 02:00:00.017 GMT"), intervals));
// Far outside.
EXPECT_FALSE(
Contains(TimeFromString("Tue, 20 Apr 2021 22:05:00 GMT"), intervals));
}
TEST(TimeUtilsNonEmptyIntervalVector, AlwaysHasNextEvent) {
const std::vector<WeeklyTimeInterval> intervals = {
// First
{WeeklyTime{kSunday, 0, 0},
WeeklyTime{kSunday, base::Hours(2).InMilliseconds(), 0}},
// Second (overlaps with first)
{WeeklyTime{kSunday, base::Hours(1).InMilliseconds(), 0},
WeeklyTime{kSunday, base::Hours(3).InMilliseconds(), 0}},
// Third, no overlap
{WeeklyTime{kMonday, 0, 0},
WeeklyTime{kMonday, base::Hours(2).InMilliseconds() + 17, 0}},
};
// Just to make sure: Time::FromString actually parses microseconds
ASSERT_EQ(TimeFromString("Tue, 20 Apr 2021 22:05:00.123456 GMT") -
TimeFromString("Tue, 20 Apr 2021 22:05:00 GMT"),
base::Microseconds(123456));
// First interval, before begin.
EXPECT_EQ(GetNextEventTime(TimeFromString("Sat, 17 Apr 2021 23:59:59 GMT"),
intervals),
TimeFromString("Sun, 18 Apr 2021 00:00:00 GMT"));
// First interval, at begin.
EXPECT_EQ(GetNextEventTime(TimeFromString("Sun, 18 Apr 2021 00:00:00 GMT"),
intervals),
TimeFromString("Sun, 18 Apr 2021 01:00:00 GMT"));
EXPECT_EQ(GetNextEventTime(TimeFromString("Sun, 18 Apr 2021 00:42:00 GMT"),
intervals),
TimeFromString("Sun, 18 Apr 2021 01:00:00 GMT"));
// First interval, right before the end.
EXPECT_EQ(GetNextEventTime(TimeFromString("Sun, 18 Apr 2021 01:59:59 GMT"),
intervals),
TimeFromString("Sun, 18 Apr 2021 02:00:00 GMT"));
// First interval, at the end (but still in second interval).
EXPECT_EQ(GetNextEventTime(TimeFromString("Sun, 18 Apr 2021 02:00:00 GMT"),
intervals),
TimeFromString("Sun, 18 Apr 2021 03:00:00 GMT"));
// Second interval, right before the end.
EXPECT_EQ(GetNextEventTime(TimeFromString("Sun, 18 Apr 2021 02:59:59 GMT"),
intervals),
TimeFromString("Sun, 18 Apr 2021 03:00:00 GMT"));
// Second interval, at the end.
EXPECT_EQ(GetNextEventTime(TimeFromString("Sun, 18 Apr 2021 03:00:00 GMT"),
intervals),
TimeFromString("Mon, 19 Apr 2021 00:00:00 GMT"));
// Third interval, before begin.
EXPECT_EQ(GetNextEventTime(TimeFromString("Sun, 18 Apr 2021 23:59:59 GMT"),
intervals),
TimeFromString("Mon, 19 Apr 2021 00:00:00 GMT"));
// Third interval, begin.
EXPECT_EQ(GetNextEventTime(TimeFromString("Mon, 19 Apr 2021 00:00:00 GMT"),
intervals),
TimeFromString("Mon, 19 Apr 2021 02:00:00.017 GMT"));
// Third interval, within.
EXPECT_EQ(GetNextEventTime(TimeFromString("Mon, 19 Apr 2021 00:42:00 GMT"),
intervals),
TimeFromString("Mon, 19 Apr 2021 02:00:00.017 GMT"));
// Third interval, right before the end.
EXPECT_EQ(GetNextEventTime(
TimeFromString("Mon, 19 Apr 2021 02:00:00.016 GMT"), intervals),
TimeFromString("Mon, 19 Apr 2021 02:00:00.017 GMT"));
// Third interval, at the end.
EXPECT_EQ(GetNextEventTime(
TimeFromString("Mon, 19 Apr 2021 02:00:00.017 GMT"), intervals),
TimeFromString("Sun, 25 Apr 2021 00:00:00. GMT"));
// Far outside, with non-zero microseconds.
EXPECT_EQ(
GetNextEventTime(TimeFromString("Tue, 20 Apr 2021 22:05:00.111111 GMT"),
intervals),
TimeFromString("Sun, 25 Apr 2021 00:00:00 GMT"));
// Far outside, with non-zero microseconds.
EXPECT_EQ(
GetNextEventTime(TimeFromString("Tue, 20 Apr 2021 22:05:00.888888 GMT"),
intervals),
TimeFromString("Sun, 25 Apr 2021 00:00:00 GMT"));
}
} // namespace weekly_time_utils
} // namespace policy
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