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//
// System.ComponentModel.CharConverter test cases
//
// Authors:
// Gert Driesen (drieseng@users.sourceforge.net)
//
// (c) 2008 Gert Driesen
//
using System;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Globalization;
using NUnit.Framework;
namespace MonoTests.System.ComponentModel
{
[TestFixture]
public class CharConverterTest
{
private CharConverter converter;
private string pattern;
[SetUp]
public void SetUp ()
{
converter = new CharConverter ();
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 (char)), "#2");
Assert.IsFalse (converter.CanConvertFrom (typeof (object)), "#3");
Assert.IsFalse (converter.CanConvertFrom (typeof (int)), "#4");
Assert.IsFalse (converter.CanConvertFrom (typeof (char [])), "#5");
Assert.IsTrue (converter.CanConvertFrom (typeof (InstanceDescriptor)), "#6");
}
[Test]
public void CanConvertTo ()
{
Assert.IsTrue (converter.CanConvertTo (typeof (string)), "#1");
Assert.IsFalse (converter.CanConvertTo (typeof (char)), "#2");
Assert.IsFalse (converter.CanConvertTo (typeof (object)), "#3");
Assert.IsFalse (converter.CanConvertTo (typeof (int)), "#4");
Assert.IsFalse (converter.CanConvertTo (typeof (char [])), "#5");
Assert.IsFalse (converter.CanConvertTo (typeof (InstanceDescriptor)), "#6");
}
[Test]
public void ConvertFrom_String ()
{
char c;
c = (char) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
String.Empty);
Assert.AreEqual ('\0', c, "#1");
c = (char) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
"e");
Assert.AreEqual ('e', c, "#2");
c = (char) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
"\t f\r\n ");
Assert.AreEqual ('f', c, "#3");
}
[Test]
public void ConvertFrom_String_Invalid ()
{
try {
converter.ConvertFrom (null, CultureInfo.InvariantCulture,
"ef");
Assert.Fail ("#A1");
} catch (FormatException ex) {
// ef is not a valid value for Char
Assert.AreEqual (typeof (FormatException), ex.GetType (), "#A2");
Assert.IsNull (ex.InnerException, "#A3");
Assert.IsNotNull (ex.Message, "#A4");
Assert.IsTrue (ex.Message.IndexOf (typeof (char).Name) != -1, "#A5");
Assert.IsTrue (ex.Message.IndexOf ("ef") != -1, "#A6");
}
try {
converter.ConvertFrom (null, CultureInfo.InvariantCulture,
"\ref \n");
Assert.Fail ("#B1");
} catch (FormatException ex) {
// \ref\n is not a valid value for Char
Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
Assert.IsNull (ex.InnerException, "#B3");
Assert.IsNotNull (ex.Message, "#B4");
Assert.IsTrue (ex.Message.IndexOf (typeof (char).Name) != -1, "#B5");
Assert.IsTrue (ex.Message.IndexOf ("ef") != -1, "#B6");
}
}
[Test]
public void ConvertFrom_Value_Null ()
{
try {
converter.ConvertFrom (null, CultureInfo.InvariantCulture,
(string) null);
Assert.Fail ("#1");
} catch (NotSupportedException ex) {
// CharConverter cannot convert from (null)
Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsTrue (ex.Message.IndexOf (typeof (CharConverter).Name) != -1, "#5");
Assert.IsTrue (ex.Message.IndexOf ("(null)") != -1, "#6");
}
}
[Test]
public void ConvertToString ()
{
string result;
result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
' ');
Assert.AreEqual (" ", result, "#1");
result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
'\0');
Assert.AreEqual (string.Empty, result, "#2");
result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
'f');
Assert.AreEqual ("f", result, "#3");
result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
null);
Assert.AreEqual (string.Empty, result, "#4");
result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
new char [] { 'a', 'f' });
Assert.AreEqual ("System.Char[]", result, "#5");
}
}
}
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