public void testExplicitRefreshAfterCompleteFileUpdate()
{
var file = Path.Combine(Path.GetTempPath(), "refresh");
try {
System.IO.File.WriteAllLines(file, new string[] { "123,456,3.0" });
/// create a FileDataModel that always reloads when the underlying file has changed
FileDataModel dataModel = new FileDataModel(file, false, 0L);
Assert.AreEqual(3.0f, dataModel.GetPreferenceValue(123L, 456L), EPSILON);
/// change the underlying file,
/// we have to wait at least a second to see the change in the file's lastModified timestamp
System.Threading.Thread.Sleep(2000);
System.IO.File.WriteAllLines(file, new string[] { "123,456,5.0" });
dataModel.Refresh(null);
Assert.AreEqual(5.0f, dataModel.GetPreferenceValue(123L, 456L), EPSILON);
} finally {
if (System.IO.File.Exists(file))
{
System.IO.File.Delete(file);
}
}
}
