public void CopyToMillisecondPresent_HFS()
{
FileInfo input = new FileInfo(Path.Combine(TestDirectory, GetTestFileName()));
input.Create().Dispose();
FileInfo output = new FileInfo(Path.Combine(TestDirectory, GetTestFileName(), input.Name));
string driveFormat = new DriveInfo(input.DirectoryName).DriveFormat;
if (driveFormat.Equals(HFS, StringComparison.InvariantCultureIgnoreCase))
{
output.Directory.Create();
output = input.CopyTo(output.FullName, true);
Assert.Equal(0, input.LastWriteTime.Millisecond);
Assert.Equal(0, output.LastWriteTime.Millisecond);
}
}
[PlatformSpecific(TestPlatforms.AnyUnix)] // Windows tested below, and OSX HFS driver format does not support millisec granularity
public void TimesIncludeMillisecondPart_Unix()
{
T item = GetExistingItem();
string driveFormat = new DriveInfo(GetItemPath(item)).DriveFormat;
if (!PlatformDetection.IsOSX ||
!driveFormat.Equals(HFS, StringComparison.InvariantCultureIgnoreCase))
{
Assert.All(TimeFunctions(), (function) =>
{
var msec = 0;
for (int i = 0; i < 5; i++)
{
DateTime time = function.Getter(item);
msec = time.Millisecond;
if (msec != 0)
{
break;
}
// This case should only happen 1/1000 times, unless the OS/Filesystem does
// not support millisecond granularity.
// If it's 1/1000, or low granularity, this may help:
Thread.Sleep(1234);
// If it's the OS/Filesystem often returns 0 for the millisecond part, this may
// help prove it. This should only be written 1/1000 runs, unless the test is going to
// fail.
Console.WriteLine($"## TimesIncludeMillisecondPart got a file time of {time.ToString("o")} on {driveFormat}");
item = GetExistingItem(); // try a new file/directory
}
Assert.NotEqual(0, msec);
});
}
}
