public void AllWritingSystems_LdmlCheckingSetEmptyCanNotSave()
{
using (var tf = new TemporaryFolder("GlobalWritingSystemRepositoryTests"))
{
var repo1 = new GlobalWritingSystemRepository(tf.Path);
var repo2 = new GlobalWritingSystemRepository(tf.Path);
var ws = new WritingSystemDefinition("en-US");
repo1.Set(ws);
repo1.Save();
Assert.That(ws.WindowsLcid, Is.Empty);
// ensure that last modified timestamp changes
Thread.Sleep(1000);
ws = repo2.Get("en-US");
ws.WindowsLcid = "test";
// a ws with an empty Id is assumed to be new, we can't save it if the LanguageTag is already found
// in the repo.
ws.Id = string.Empty;
Assert.That(repo2.CanSet(ws), Is.False, "A ws with an empty ID will not save if the LanguageTag matches an existing ws");
repo2.Save();
Assert.That(repo1.Get("en-US").WindowsLcid, Is.Not.EqualTo("test"), "Changes should not have been saved.");
}
}