80 строки
3.1 KiB
C#
80 строки
3.1 KiB
C#
//
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// Unit tests for NSDate
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//
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// Authors:
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// Rolf Bjarne Kvinge <rolf@xamarin.com>
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//
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// Copyright 2013 Xamarin Inc. All rights reserved.
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//
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using System;
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using System.Net;
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#if XAMCORE_2_0
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using Foundation;
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using ObjCRuntime;
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#else
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using MonoTouch.Foundation;
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using MonoTouch.ObjCRuntime;
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#endif
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using NUnit.Framework;
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namespace MonoTouchFixtures.Foundation {
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[TestFixture]
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[Preserve (AllMembers = true)]
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public class DateTest {
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[Test]
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public void InLimits ()
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{
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// .NET can represent this date just fine
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Assert.AreEqual (new DateTime (4001, 01, 01), (DateTime)NSDate.DistantFuture, "distant future");
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Assert.AreEqual (DateTime.MinValue.AddSeconds (1), (DateTime)NSDate.FromTimeIntervalSinceReferenceDate (-63113903999), "-63113903999");
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Assert.AreEqual (DateTime.MinValue, (DateTime)NSDate.FromTimeIntervalSinceReferenceDate (-63113904000), "-63113904000");
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// NSDate doesn't seem to store the 'TimeIntervalSinceReferenceDate' as a double, causing a slight time warp. Round a bit to rewarp back.
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Assert.AreEqual (new DateTime (9999, 12, 31, 23, 59, 58), new DateTime ((((DateTime)NSDate.FromTimeIntervalSinceReferenceDate (252423993598)).Ticks / 10000) * 10000, DateTimeKind.Utc), "252423993598");
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Assert.AreEqual (new DateTime (9999, 12, 31, 23, 59, 59), new DateTime ((((DateTime)NSDate.FromTimeIntervalSinceReferenceDate (252423993599)).Ticks / 10000) * 10000, DateTimeKind.Utc), "252423993599");
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}
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[Test]
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public void OutLimits ()
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{
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#if XAMCORE_2_0
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Assert.Throws<ArgumentOutOfRangeException> (() => { var tmp = (DateTime) NSDate.DistantPast; }, "distant past");
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Assert.Throws<ArgumentOutOfRangeException> (() => { var tmp = (DateTime) NSDate.FromTimeIntervalSinceReferenceDate (-63113904001); }, "-63113904001");
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Assert.Throws<ArgumentOutOfRangeException> (() => { var tmp = (DateTime) NSDate.FromTimeIntervalSinceReferenceDate (252423993600); }, "252423993600");
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// [Min|Max]Value are DateTimeKind.Unspecified
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Assert.Throws<ArgumentException> (() => { var tmp = (NSDate) DateTime.MinValue; }, "MinValue");
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Assert.Throws<ArgumentException> (() => { var tmp = (NSDate) DateTime.MaxValue; }, "MaxValue");
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#else
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Assert.AreEqual (DateTime.MinValue, (DateTime)NSDate.DistantPast, "distant past");
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Assert.AreEqual (DateTime.MinValue, (DateTime)NSDate.FromTimeIntervalSinceReferenceDate (-63113904001), "-63113904001");
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Assert.AreEqual (DateTime.MaxValue, (DateTime)NSDate.FromTimeIntervalSinceReferenceDate (252423993600), "252423993600");
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Assert.DoesNotThrow (() => { var tmp = (NSDate) DateTime.MinValue; }, "MinValue");
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Assert.DoesNotThrow (() => { var tmp = (NSDate) DateTime.MaxValue; }, "MaxValue");
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#endif
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}
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[Test]
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public void DescriptionWithLocale ()
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{
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Assert.IsNotNull (NSDate.Now.DescriptionWithLocale (NSLocale.CurrentLocale), "1");
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}
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[Test]
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public void Precision32022 ()
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{
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var a = NSDate.Now;
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var b = a.SecondsSinceReferenceDate - ((NSDate) (DateTime) a).SecondsSinceReferenceDate;
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// ensure decimals are not truncated - but there's an unavoidable loss of precision
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Assert.AreEqual (b, 0, 0.00001, "1");
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}
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}
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}
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