public void TestOpenOpen()
{
var fi = new FileInfo(filePath);
using (var fileStream = fi.Open(FileMode.Open)) {
Assert.IsNotNull(fileStream);
}
}
public void TestOpenCreateNew()
{
var fi = new FileInfo(filePath);
Assert.Throws <IOException>(() => {
using (var fileStream = fi.Open(FileMode.CreateNew)) {
Assert.IsNotNull(fileStream);
}
});
}
public void TestOpenReadWithWrite()
{
var tempLongPathFilename = new StringBuilder(uncDirectory).Append(@"\").Append("file31.ext").ToString();
var fi = new FileInfo(tempLongPathFilename);
try {
Assert.Throws <NotSupportedException>(() => {
using (var fileStream = fi.Open(FileMode.Append, FileAccess.Read)) {
fileStream.WriteByte(43);
}
});
}
finally {
Pri.LongPath.File.Delete(tempLongPathFilename);
}
}
public void TestOpenCreatesEmpty()
{
var tempLongPathFilename = uncDirectory.Combine(Path.GetRandomFileName());
try {
using (var writer = Pri.LongPath.File.CreateText(tempLongPathFilename)) {
writer.WriteLine("test");
}
var fi = new FileInfo(tempLongPathFilename);
using (var fileStream = fi.Open(FileMode.Append, FileAccess.Read, FileShare.Read)) {
Assert.AreEqual(-1, fileStream.ReadByte());
}
}
finally {
Pri.LongPath.File.Delete(tempLongPathFilename);
}
}
public void TestOpenHidden()
{
var tempLongPathFilename = new StringBuilder(uncDirectory).Append(@"\").Append("file25.ext").ToString();
var fi = new FileInfo(tempLongPathFilename);
using (fi.Create()) { }
try {
Pri.LongPath.File.SetAttributes(fi.FullName, Pri.LongPath.File.GetAttributes(fi.FullName) | FileAttributes.Hidden);
Assert.Throws <UnauthorizedAccessException>(() => {
using (var fileStream = fi.Open(FileMode.Create)) {
Assert.IsNotNull(fileStream);
}
});
}
finally {
Pri.LongPath.File.Delete(tempLongPathFilename);
}
}
public void TestOpenAppend()
{
var tempLongPathFilename = new StringBuilder(uncDirectory).Append(@"\").Append("file26.ext").ToString();
var fi = new FileInfo(tempLongPathFilename);
using (var streamWriter = fi.CreateText()) {
streamWriter.WriteLine("file26");
}
try {
using (var fileStream = fi.Open(FileMode.Append)) {
Assert.IsNotNull(fileStream);
using (var streamWriter = new StreamWriter(fileStream)) {
streamWriter.WriteLine("eof");
}
}
Assert.AreEqual("file26" + Environment.NewLine + "eof" + Environment.NewLine, File.ReadAllText(fi.FullName));
}
finally {
File.Delete(tempLongPathFilename);
}
}
