public static bool IsValidFileName(string fileName)
{
if (string.IsNullOrWhiteSpace(fileName))
{
return(false);
}
if (fileName.IndexOfAny(FilePath.GetInvalidFileNameChars()) >= 0)
{
return(false);
}
return(true);
}
public static bool IsValidFileName(string fileName)
{
if (String.IsNullOrEmpty(fileName) || fileName.Trim() == string.Empty)
{
return(false);
}
if (fileName.IndexOfAny(FilePath.GetInvalidFileNameChars()) >= 0)
{
return(false);
}
return(true);
}
public void InvalidFileCharsTests()
{
Assert.True(FileService.IsValidFileName("file"), "File without extension");
Assert.True(FileService.IsValidFileName("text.txt"), "File with extension");
Assert.True(FileService.IsValidFileName(".gitignore"), "Dot file");
Assert.False(FileService.IsValidFileName(""), "Empty string");
Assert.False(FileService.IsValidFileName(" "), "Whitespace string");
// Test strings containing an invalid character.
foreach (var c in FilePath.GetInvalidFileNameChars())
{
Assert.False(FileService.IsValidFileName(c.ToString()),
string.Format("String with {0} (charcode: {1})", Char.IsControl(c) ? "<Control Char>" : c.ToString(), Convert.ToInt32(c)));
}
}
public void InvalidCharactersAreCloned()
{
Assert.AreNotSame(FilePath.GetInvalidFileNameChars(), FilePath.GetInvalidFileNameChars());
Assert.AreNotSame(FilePath.GetInvalidPathChars(), FilePath.GetInvalidPathChars());
}
public void InvalidCharactersTests()
{
// Assert compatibility so we know something changed over here.
Assert.That(FilePath.GetInvalidFileNameChars(), Is.EquivalentTo(Path.GetInvalidFileNameChars().Concat("#%")));
Assert.That(FilePath.GetInvalidPathChars(), Is.EquivalentTo(Path.GetInvalidPathChars().Concat("#%")));
}