private static void TestWeirdPaths()
{
// null path
String nullPath = null;
TestWeirdPathIter(nullPath, "nullPath", new ArgumentNullException());
// empty path
String emptyPath = "";
TestWeirdPathIter(emptyPath, "emptyPath", new ArgumentException());
// whitespace-only path
char[] whitespacePathChars = { (char)0x9, (char)0xA };
String whitespacePath = new String(whitespacePathChars);
TestWeirdPathIter(whitespacePath, "whitespacePath", new ArgumentException());
// try to test a path that doesn't exist. Skip if can't find an unused drive
if (Interop.IsWindows)
{
String pathNotExists = null;
String unusedDrive = EnumerableUtils.GetUnusedDrive();
if (unusedDrive != null)
{
pathNotExists = Path.Combine(unusedDrive, "temp", "dir");
}
if (pathNotExists != null)
{
TestWeirdPathIter(pathNotExists, "pathNotExists", new DirectoryNotFoundException());
}
}
// file (not dir) name. If we try to do GetFiles, GetDirs, etc in a file (not dir) we get IOException
String filePath = null;
foreach (String s in s_utils.expected_Files_Deep)
{
if (s != null)
{
filePath = s;
break;
}
}
TestWeirdPathIter(filePath, "pathIsFile", new IOException());
// PathTooLong
String longPath = Path.Combine(new String('a', IOInputs.MaxDirectory), "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
TestWeirdPathIter(longPath, "pathTooLong", new PathTooLongException());
// path invalid chars
String invalidCharPath = "temp" + Path.DirectorySeparatorChar + "fsd\0sdsds";
TestWeirdPathIter(invalidCharPath, "invalidCharPath", new ArgumentException());
}
private static void TestFileExceptions()
{
// Create common file and dir names
String nullFileName = null;
String emptyFileName1 = "";
String emptyFileName2 = " ";
String longPath = Path.Combine(new String('a', IOInputs.MaxDirectory), "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", "test.txt");
String notExistsFileName = null;
if (Interop.IsWindows) // drive labels
{
String unusedDrive = EnumerableUtils.GetUnusedDrive();
if (unusedDrive != null)
{
notExistsFileName = Path.Combine(unusedDrive, Path.Combine("temp", "notExists", "temp.txt")); // just skip otherwise
}
}
String[] lines = { "test line 1", "test line 2" };
IEnumerable <String> contents = (IEnumerable <String>)lines;
// Read exceptions
TestReadFileExceptions(nullFileName, "null path", Encoding.UTF8, new ArgumentNullException());
TestReadFileExceptions(emptyFileName1, "empty path 1", Encoding.UTF8, new ArgumentException());
if (Interop.IsWindows) // whitespace-only names are valid on Unix
{
TestReadFileExceptions(emptyFileName2, "empty path 2", Encoding.UTF8, new ArgumentException());
}
TestReadFileExceptions(longPath, "long path", Encoding.UTF8, new PathTooLongException());
if (notExistsFileName != null)
{
TestReadFileExceptions(notExistsFileName, "not exists", Encoding.UTF8, new DirectoryNotFoundException());
}
TestReadFileExceptionsWithEncoding("temp.txt", "null encoding", null, new ArgumentNullException(), File.ReadLines, File.ReadLines, "File.ReadLines");
// Write exceptions
TestWriteFileExceptions(nullFileName, "null path", contents, Encoding.UTF8, new ArgumentNullException());
TestWriteFileExceptions(emptyFileName1, "empty path 1", contents, Encoding.UTF8, new ArgumentException());
if (Interop.IsWindows) // whitespace-only paths are valid on Unix
{
TestWriteFileExceptions(emptyFileName2, "empty path 2", contents, Encoding.UTF8, new ArgumentException());
}
TestWriteFileExceptions(longPath, "long path", contents, Encoding.UTF8, new PathTooLongException());
if (notExistsFileName != null)
{
TestWriteFileExceptions(notExistsFileName, "not exists", contents, Encoding.UTF8, new DirectoryNotFoundException());
}
TestWriteFileExceptions("temp.txt", "null contents", null, Encoding.UTF8, new ArgumentNullException());
TestWriteFileExceptionsWithEncoding("temp.txt", "null encoding", contents, null, new ArgumentNullException(), File.WriteAllLines, File.WriteAllLines, "File.WriteAllLines");
TestWriteFileExceptionsWithEncoding("temp.txt", "null encoding", contents, null, new ArgumentNullException(), File.AppendAllLines, File.AppendAllLines, "File.AppendAllLines");
}
private static void TestFileExceptions()
{
// Create common file and dir names
String nullFileName = null;
String emptyFileName1 = "";
String emptyFileName2 = " ";
String longPath = new String('a', 240) + @"\bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\test.txt";
String notExistsFileName = null;
String unusedDrive = EnumerableUtils.GetUnusedDrive();
if (unusedDrive != null)
{
notExistsFileName = Path.Combine(unusedDrive, @"temp\notExists\temp.txt"); // just skip otherwise
}
String[] lines = { "test line 1", "test line 2" };
IEnumerable <String> contents = (IEnumerable <String>)lines;
// Read exceptions
TestReadFileExceptions(nullFileName, "null path", Encoding.UTF8, new ArgumentNullException());
TestReadFileExceptions(emptyFileName1, "empty path 1", Encoding.UTF8, new ArgumentException());
TestReadFileExceptions(emptyFileName2, "empty path 2", Encoding.UTF8, new ArgumentException());
TestReadFileExceptions(longPath, "long path", Encoding.UTF8, new PathTooLongException());
if (notExistsFileName != null)
{
TestReadFileExceptions(notExistsFileName, "not exists", Encoding.UTF8, new DirectoryNotFoundException());
}
TestReadFileExceptionsWithEncoding("temp.txt", "null encoding", null, new ArgumentNullException(), File.ReadLines, File.ReadLines, "File.ReadLines");
// Write exceptions
TestWriteFileExceptions(nullFileName, "null path", contents, Encoding.UTF8, new ArgumentNullException());
TestWriteFileExceptions(emptyFileName1, "empty path 1", contents, Encoding.UTF8, new ArgumentException());
TestWriteFileExceptions(emptyFileName2, "empty path 2", contents, Encoding.UTF8, new ArgumentException());
TestWriteFileExceptions(longPath, "long path", contents, Encoding.UTF8, new PathTooLongException());
if (notExistsFileName != null)
{
TestWriteFileExceptions(notExistsFileName, "not exists", contents, Encoding.UTF8, new DirectoryNotFoundException());
}
TestWriteFileExceptions("temp.txt", "null contents", null, Encoding.UTF8, new ArgumentNullException());
TestWriteFileExceptionsWithEncoding("temp.txt", "null encoding", contents, null, new ArgumentNullException(), File.WriteAllLines, File.WriteAllLines, "File.WriteAllLines");
TestWriteFileExceptionsWithEncoding("temp.txt", "null encoding", contents, null, new ArgumentNullException(), File.AppendAllLines, File.AppendAllLines, "File.AppendAllLines");
}
