PADateTime.cs

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using System;
using Xunit;
 
namespace PALib.Tests;
 
public class PADateTime_Tests
{
    private readonly PADateTime _paDateTime;
 
    public PADateTime_Tests()
    {
        _paDateTime = new PADateTime();
    }
 
    [Fact]
    public void GetDateOfEaster()
    {
        Assert.Equal((4, 20, 2003), _paDateTime.GetDateOfEaster(2003));
        Assert.Equal((4, 21, 2019), _paDateTime.GetDateOfEaster(2019));
        Assert.Equal((4, 12, 2020), _paDateTime.GetDateOfEaster(2020));
    }
 
    [Fact]
    public void CivilDateToDayNumber()
    {
        Assert.Equal(1, _paDateTime.CivilDateToDayNumber(1, 1, 2000));
        Assert.Equal(61, _paDateTime.CivilDateToDayNumber(3, 1, 2000));
        Assert.Equal(152, _paDateTime.CivilDateToDayNumber(6, 1, 2003));
        Assert.Equal(331, _paDateTime.CivilDateToDayNumber(11, 27, 2009));
    }
 
    [Fact]
    public void CivilTimeToDecimalHours()
    {
        Assert.Equal(18.52416667, Math.Round(_paDateTime.CivilTimeToDecimalHours(18, 31, 27), 8));
    }
 
    [Fact]
    public void DecimalHoursToCivilTime()
    {
        Assert.Equal((18, 31, 27), _paDateTime.DecimalHoursToCivilTime(18.52416667));
    }
 
    [Fact]
    public void LocalCivilTimeToUniversalTime()
    {
        Assert.Equal((22, 37, 0, 30, 6, 2013), _paDateTime.LocalCivilTimeToUniversalTime(3, 37, 0, true, 4, 1, 7, 2013));
    }
 
    [Fact]
    public void UniversalTimeToLocalCivilTime()
    {
        Assert.Equal((3, 37, 0, 1, 7, 2013), _paDateTime.UniversalTimeToLocalCivilTime(22, 37, 0, true, 4, 30, 6, 2013));
    }
 
    [Fact]
    public void UniversalTimeToGreenwichSiderealTime()
    {
        Assert.Equal((4, 40, 5.23), _paDateTime.UniversalTimeToGreenwichSiderealTime(14, 36, 51.67, 22, 4, 1980));
    }
 
    [Fact]
    public void GreenwichSiderealTimeToUniversalTime()
    {
        Assert.Equal((14, 36, 51.67, PAWarningFlag.OK), _paDateTime.GreenwichSiderealTimeToUniversalTime(4, 40, 5.23, 22, 4, 1980));
    }
 
    [Fact]
    public void GreenwichSiderealTimeToLocalSiderealTime()
    {
        Assert.Equal((0, 24, 5.23), _paDateTime.GreenwichSiderealTimeToLocalSiderealTime(4, 40, 5.23, -64));
    }
 
    [Fact]
    public void LocalSiderealTimeToGreenwichSiderealTime()
    {
        Assert.Equal((4, 40, 5.23), _paDateTime.LocalSiderealTimeToGreenwichSiderealTime(0, 24, 5.23, -64));
    }
}