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); } }