public async Task WriteAllLinesAsync_NullEncoding_ExceptionThrown()
{
var contents = Enumerable.Repeat("This is a test line.", 150).ToList();
var path = Path.Combine(writeAllLinesTestFolder, nameof(NullContent_ExceptionThrown));
Directory.CreateDirectory(writeAllLinesTestFolder);
Assert.ThrowsAsync <ArgumentNullException>(async() => await AsyncFile.WriteAllLinesAsync(path, contents, null));
}
public async Task WriteAllLinesWithEncoding(Encoding encoding)
{
var contents = Enumerable.Repeat("This is a test line.", 150).ToList();
var path = Path.Combine(writeAllLinesTestFolder, nameof(WriteAllLinesWithEncoding));
Directory.CreateDirectory(writeAllLinesTestFolder);
await AsyncFile.WriteAllLinesAsync(path, contents, encoding);
var result = File.ReadAllLines(path, encoding);
CollectionAssert.AreEqual(contents, result);
}
public async Task Default_LinesAppended()
{
var contents = Enumerable.Repeat("This is a test line.", 150).ToList();
var path = Path.Combine(writeAllLinesTestFolder, nameof(Default_LinesAppended));
Directory.CreateDirectory(writeAllLinesTestFolder);
await AsyncFile.WriteAllLinesAsync(path, contents);
var result = File.ReadAllLines(path);
CollectionAssert.AreEqual(contents, result);
}
public void CancellationToken_LinesAppendedAndExceptionThrown()
{
var contents = Enumerable.Repeat("This is a test line.", 30000).ToList();
var path = Path.Combine(writeAllLinesTestFolder, nameof(CancellationToken_LinesAppendedAndExceptionThrown));
Directory.CreateDirectory(writeAllLinesTestFolder);
var tokenSource = new CancellationTokenSource();
Assert.ThrowsAsync <TaskCanceledException>(async() =>
{
var task = AsyncFile.WriteAllLinesAsync(path, contents, tokenSource.Token);
tokenSource.Cancel();
await task;
});
var result = File.ReadAllLines(path);
Assert.IsTrue(contents.Count > result.Length);
}