aspnetcore/test/Microsoft.Net.Http.Headers..../DateParserTest.cs

59 lines
2.2 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using Xunit;
namespace Microsoft.Net.Http.Headers
{
public class DateParserTest
{
[Fact]
public void TryParse_SetOfValidValueStrings_ParsedCorrectly()
{
// We don't need to validate all possible date values, since they're already tested in HttpRuleParserTest.
// Just make sure the parser calls HttpRuleParser methods correctly.
CheckValidParsedValue("Tue, 15 Nov 1994 08:12:31 GMT", new DateTimeOffset(1994, 11, 15, 8, 12, 31, TimeSpan.Zero));
CheckValidParsedValue(" Sunday, 06-Nov-94 08:49:37 GMT ", new DateTimeOffset(1994, 11, 6, 8, 49, 37, TimeSpan.Zero));
CheckValidParsedValue(" Tue,\r\n 15 Nov\r\n 1994 08:12:31 GMT ", new DateTimeOffset(1994, 11, 15, 8, 12, 31, TimeSpan.Zero));
}
[Fact]
public void TryParse_SetOfInvalidValueStrings_ReturnsFalse()
{
CheckInvalidParsedValue(null);
CheckInvalidParsedValue(string.Empty);
CheckInvalidParsedValue(" ");
CheckInvalidParsedValue("!!Sunday, 06-Nov-94 08:49:37 GMT");
}
[Fact]
public void ToString_UseDifferentValues_MatchExpectation()
{
Assert.Equal("Sat, 31 Jul 2010 15:38:57 GMT",
HeaderUtilities.FormatDate(new DateTimeOffset(2010, 7, 31, 15, 38, 57, TimeSpan.Zero)));
Assert.Equal("Fri, 01 Jan 2010 01:01:01 GMT",
HeaderUtilities.FormatDate(new DateTimeOffset(2010, 1, 1, 1, 1, 1, TimeSpan.Zero)));
}
#region Helper methods
private void CheckValidParsedValue(string input, DateTimeOffset expectedResult)
{
DateTimeOffset result;
Assert.True(HeaderUtilities.TryParseDate(input, out result));
Assert.Equal(expectedResult, result);
}
private void CheckInvalidParsedValue(string input)
{
DateTimeOffset result;
Assert.False(HeaderUtilities.TryParseDate(input, out result));
Assert.Equal(new DateTimeOffset(), result);
}
#endregion
}
}