public void CanConvertFromFalse(Type type)
{
var conv = new ColorConverter();
Assert.False(conv.CanConvertFrom(type));
Assert.False(conv.CanConvertFrom(null, type));
}
public static Brush GetBrush(this string colorString, Color defaultColor)
{
if (colorString != null)
{
ColorConverter converter = new ColorConverter();
if (converter.CanConvertFrom(typeof(string)))
{
try
{
Color color = (Color)converter.ConvertFrom(null, null, colorString);
return(new SolidColorBrush(color));
}
catch (Exception)
{
cerr.WriteLine($"color string: \"{colorString}\" not supported");
}
}
}
return(new SolidColorBrush(defaultColor));
}
public void CanConvertFrom()
{
Assert.IsTrue(colconv.CanConvertFrom(typeof(String)), "CCF#1");
Assert.IsTrue(colconv.CanConvertFrom(null, typeof(String)), "CCF#1a");
Assert.IsFalse(colconv.CanConvertFrom(null, typeof(Rectangle)), "CCF#2");
Assert.IsFalse(colconv.CanConvertFrom(null, typeof(RectangleF)), "CCF#3");
Assert.IsFalse(colconv.CanConvertFrom(null, typeof(Point)), "CCF#4");
Assert.IsFalse(colconv.CanConvertFrom(null, typeof(PointF)), "CCF#5");
Assert.IsFalse(colconv.CanConvertFrom(null, typeof(Color)), "CCF#6");
Assert.IsFalse(colconv.CanConvertFrom(null, typeof(SizeF)), "CCF#7");
Assert.IsFalse(colconv.CanConvertFrom(null, typeof(Object)), "CCF#8");
Assert.IsFalse(colconv.CanConvertFrom(null, typeof(int)), "CCF#9");
Assert.IsTrue(colconv.CanConvertFrom(null, typeof(InstanceDescriptor)), "CCF#10");
}