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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "content/browser/date_time_chooser/ios/date_time_chooser_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace content {
using DateTimeChooserUtilTest = PlatformTest;
TEST_F(DateTimeChooserUtilTest, DateFromNumberOfMonths) {
// Create a specific NSDate that is prior to 1970
NSDateComponents* date_components = [[NSDateComponents alloc] init];
[date_components setDay:1];
[date_components setMonth:4];
[date_components setYear:1965];
NSCalendar* calendar = [[NSCalendar alloc]
initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
calendar.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"UTC"];
NSDate* date_1 = [calendar dateFromComponents:date_components];
// Get the number of months.
NSInteger number_of_months_1 = GetNumberOfMonthsFromDate(date_1);
// Get NSDate from `number_of_months_1`.
NSDate* output_date_1 = GetDateFromNumberOfMonths(number_of_months_1);
EXPECT_EQ([date_1 compare:output_date_1], NSComparisonResult::NSOrderedSame);
// Create a specific NSDate that is after 1970.
[date_components setDay:1];
[date_components setMonth:7];
[date_components setYear:2015];
NSDate* date_2 = [calendar dateFromComponents:date_components];
// Get the number of months.
NSInteger number_of_months_2 = GetNumberOfMonthsFromDate(date_2);
// Get NSDate from `number_of_months_2`.
NSDate* output_date_2 = GetDateFromNumberOfMonths(number_of_months_2);
EXPECT_EQ([date_2 compare:output_date_2], NSComparisonResult::NSOrderedSame);
}
} // namespace content
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