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//
// System.ComponentModel.DateTimeConverter test cases
//
// Authors:
// Gert Driesen (drieseng@users.sourceforge.net)
//
// (c) 2005 Novell, Inc. (http://www.ximian.com)
//
using System;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Globalization;
using NUnit.Framework;
namespace MonoTests.System.ComponentModel
{
[TestFixture]
public class DateTimeConverterTests
{
private DateTimeConverter converter;
private string pattern;
[SetUp]
public void SetUp ()
{
converter = new DateTimeConverter ();
DateTimeFormatInfo info = CultureInfo.CurrentCulture.DateTimeFormat;
pattern = info.ShortDatePattern + " " + info.ShortTimePattern;
}
[Test]
public void CanConvertFrom ()
{
Assert.IsTrue (converter.CanConvertFrom (typeof (string)), "#1");
Assert.IsFalse (converter.CanConvertFrom (typeof (DateTime)), "#2");
Assert.IsFalse (converter.CanConvertFrom (typeof (object)), "#3");
Assert.IsTrue (converter.CanConvertFrom (typeof (InstanceDescriptor)), "#4");
}
[Test]
public void CanConvertTo ()
{
Assert.IsTrue (converter.CanConvertTo (typeof (string)), "#1");
Assert.IsFalse (converter.CanConvertTo (typeof (object)), "#2");
Assert.IsTrue (converter.CanConvertTo (typeof (InstanceDescriptor)), "#3");
}
[Test]
public void ConvertFrom_String ()
{
DateTime date = DateTime.Now;
DateTime newDate = (DateTime) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
date.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual (date.Year, newDate.Year, "#1");
Assert.AreEqual (date.Month, newDate.Month, "#2");
Assert.AreEqual (date.Day, newDate.Day, "#3");
Assert.AreEqual (date.Hour, newDate.Hour, "#4");
Assert.AreEqual (date.Minute, newDate.Minute, "#5");
Assert.AreEqual (date.Second, newDate.Second, "#6");
Assert.AreEqual (0, newDate.Millisecond, "#7");
newDate = (DateTime) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
String.Empty);
Assert.AreEqual (DateTime.MinValue, newDate, "#8");
}
[Test]
[ExpectedException (typeof (NotSupportedException))]
public void ConvertFrom_Object ()
{
converter.ConvertFrom (new object ());
}
[Test]
[ExpectedException (typeof (NotSupportedException))]
public void ConvertFrom_Int32 ()
{
converter.ConvertFrom (10);
}
[Test]
public void ConvertTo_MinValue ()
{
Assert.AreEqual (string.Empty, converter.ConvertTo (null,
CultureInfo.InvariantCulture, DateTime.MinValue, typeof (string)), "#1");
Assert.AreEqual (string.Empty, converter.ConvertTo (null,
CultureInfo.CurrentCulture, DateTime.MinValue, typeof (string)), "#2");
Assert.AreEqual (string.Empty, converter.ConvertTo (DateTime.MinValue,
typeof (string)), "#3");
}
[Test]
public void ConvertTo_MaxValue ()
{
Assert.AreEqual (DateTime.MaxValue.ToString (CultureInfo.InvariantCulture),
converter.ConvertTo (null, CultureInfo.InvariantCulture, DateTime.MaxValue,
typeof (string)), "#1");
// FIXME: We probably shouldn't be using CurrentCulture in these tests.
if (CultureInfo.CurrentCulture == CultureInfo.InvariantCulture)
return;
Assert.AreEqual (DateTime.MaxValue.ToString (pattern,
CultureInfo.CurrentCulture), converter.ConvertTo (null,
CultureInfo.CurrentCulture, DateTime.MaxValue, typeof (string)),
"#2");
Assert.AreEqual (DateTime.MaxValue.ToString (pattern,
CultureInfo.CurrentCulture), converter.ConvertTo (DateTime.MaxValue,
typeof (string)), "#3");
}
[Test]
public void ConvertToString_MinValue ()
{
Assert.AreEqual (string.Empty, converter.ConvertToString (null,
CultureInfo.InvariantCulture, DateTime.MinValue), "#1");
Assert.AreEqual (string.Empty, converter.ConvertToString (null,
DateTime.MinValue), "#2");
Assert.AreEqual (string.Empty, converter.ConvertToString (null,
CultureInfo.CurrentCulture, DateTime.MinValue), "#3");
Assert.AreEqual (string.Empty, converter.ConvertToString (DateTime.MinValue),
"#4");
}
[Test]
public void ConvertToString_MaxValue ()
{
Assert.AreEqual (DateTime.MaxValue.ToString (CultureInfo.InvariantCulture),
converter.ConvertToString (null, CultureInfo.InvariantCulture,
DateTime.MaxValue), "#1");
// FIXME: We probably shouldn't be using CurrentCulture in these tests.
if (CultureInfo.CurrentCulture == CultureInfo.InvariantCulture)
return;
Assert.AreEqual (DateTime.MaxValue.ToString (pattern, CultureInfo.CurrentCulture),
converter.ConvertToString (null, DateTime.MaxValue), "#2");
Assert.AreEqual (DateTime.MaxValue.ToString (pattern, CultureInfo.CurrentCulture),
converter.ConvertToString (null, CultureInfo.CurrentCulture,
DateTime.MaxValue), "#3");
Assert.AreEqual (DateTime.MaxValue.ToString (pattern, CultureInfo.CurrentCulture),
converter.ConvertToString (DateTime.MaxValue), "#4");
}
[Test]
public void ConvertToString ()
{
CultureInfo culture = new MyCultureInfo ();
DateTimeFormatInfo info = (DateTimeFormatInfo) culture.GetFormat (typeof (DateTimeFormatInfo));
DateTime date = DateTime.Now;
Assert.AreEqual (date.ToString (info.ShortDatePattern + " " +
info.ShortTimePattern, culture), converter.ConvertToString (
null, culture, date));
CultureInfo ciUS = new CultureInfo("en-US");
CultureInfo ciGB = new CultureInfo("en-GB");
CultureInfo ciDE = new CultureInfo("de-DE");
//
date = new DateTime(2008, 12, 31, 23, 59, 58, 5);
DoTestToString("12/31/2008 11:59 PM", date, ciUS);
DoTestToString("31/12/2008 23:59", date, ciGB);
DoTestToString("31.12.2008 23:59", date, ciDE);
DoTestToString("12/31/2008 23:59:58", date, CultureInfo.InvariantCulture);
Assert.AreEqual("12/31/2008 23:59:58", converter.ConvertToInvariantString(date), "Invariant");
//
date = new DateTime(2008, 12, 31);
DoTestToString("12/31/2008", date, ciUS);
DoTestToString("31/12/2008", date, ciGB);
DoTestToString("31.12.2008", date, ciDE);
DoTestToString("2008-12-31", date, CultureInfo.InvariantCulture);
Assert.AreEqual("2008-12-31", converter.ConvertToInvariantString(date), "Invariant");
}
private void DoTestToString(String expected, DateTime value, CultureInfo ci)
{
String message = ci.Name;
if (message == null || message.Length == 0)
message = "?Invariant";
Assert.AreEqual(expected, converter.ConvertTo(null, ci, value, typeof(String)), message);
}
[Test]
public void ConvertFromString ()
{
CultureInfo culture = new MyCultureInfo ();
DateTimeFormatInfo info = (DateTimeFormatInfo) culture.GetFormat (typeof (DateTimeFormatInfo));
DateTime date = DateTime.Now;
DateTime newDate = (DateTime) converter.ConvertFrom (null, culture, date.ToString("G", info));
Assert.AreEqual (date.Year, newDate.Year, "#1");
Assert.AreEqual (date.Month, newDate.Month, "#2");
Assert.AreEqual (date.Day, newDate.Day, "#3");
Assert.AreEqual (date.Hour, newDate.Hour, "#4");
Assert.AreEqual (date.Minute, newDate.Minute, "#5");
Assert.AreEqual (date.Second, newDate.Second, "#6");
Assert.AreEqual (0, newDate.Millisecond, "#7");
}
[Test]
[ExpectedException (typeof (FormatException))]
public void ConvertFrom_InvalidValue ()
{
converter.ConvertFrom ("*1");
}
[Test]
[ExpectedException (typeof (FormatException))]
public void ConvertFrom_InvalidValue_Invariant ()
{
converter.ConvertFrom (null, CultureInfo.InvariantCulture, "*1");
}
[Test]
[ExpectedException (typeof (FormatException))]
public void ConvertFromString_InvalidValue ()
{
converter.ConvertFromString ("*1");
}
[Test]
[ExpectedException (typeof (FormatException))]
public void ConvertFromString_InvalidValue_Invariant ()
{
converter.ConvertFromString (null, CultureInfo.InvariantCulture, "*1");
}
[Serializable]
private sealed class MyCultureInfo : CultureInfo
{
internal MyCultureInfo () : base ("en-US")
{
}
public override object GetFormat (Type formatType)
{
if (formatType == typeof (DateTimeFormatInfo)) {
DateTimeFormatInfo info = (DateTimeFormatInfo) ((DateTimeFormatInfo) base.GetFormat (formatType)).Clone ();
info.ShortDatePattern = "MM?dd?yyyy";
info.ShortTimePattern = "hh!mm";
return DateTimeFormatInfo.ReadOnly (info);
} else {
return base.GetFormat (formatType);
}
}
}
}
}
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