public void ListSimple()
{
using (var tempFile = new TemporaryFile())
using (var store2 = new ListStore<int>(VirtualFileSystem.OpenStream(tempFile.Path, VirtualFileMode.OpenOrCreate, VirtualFileAccess.ReadWrite, VirtualFileShare.ReadWrite)))
using (var store1 = new ListStore<int>(VirtualFileSystem.OpenStream(tempFile.Path, VirtualFileMode.OpenOrCreate, VirtualFileAccess.ReadWrite, VirtualFileShare.ReadWrite)))
{
store1.UseTransaction = true;
// Add a value to store2 and saves it
store2.AddValue(1);
store2.Save();
// Add a value to store1 without saving
store1.AddValue(2);
Assert.AreEqual(new[] { 2 }, store1.GetValues());
// Check that store1 contains value from store2 first
store1.LoadNewValues();
Assert.AreEqual(new[] { 1, 2 }, store1.GetValues());
// Save and check that results didn't change
store1.Save();
Assert.AreEqual(new[] { 1, 2 }, store1.GetValues());
}
}
public void DictionarySimple()
{
using (var tempFile = new TemporaryFile())
using (var store1 = new DictionaryStore<int, int>(VirtualFileSystem.OpenStream(tempFile.Path, VirtualFileMode.OpenOrCreate, VirtualFileAccess.ReadWrite, VirtualFileShare.ReadWrite)))
using (var store2 = new DictionaryStore<int, int>(VirtualFileSystem.OpenStream(tempFile.Path, VirtualFileMode.OpenOrCreate, VirtualFileAccess.ReadWrite, VirtualFileShare.ReadWrite)))
{
store1.UseTransaction = true;
// Check successive sets
store1[1] = 1;
Assert.That(store1[1], Is.EqualTo(1));
store1[1] = 2;
Assert.That(store1[1], Is.EqualTo(2));
// Check saving (before and after completion)
store1.Save();
Assert.That(store1[1], Is.EqualTo(2));
Assert.That(store1[1], Is.EqualTo(2));
// Check set after save
store1[1] = 3;
Assert.That(store1[1], Is.EqualTo(3));
// Check loading from another store
store2.LoadNewValues();
Assert.That(store2[1], Is.EqualTo(2));
// Concurrent changes
store1[1] = 5;
store2[1] = 6;
// Write should be scheduled for save immediately since dictionaryStore2 doesn't use transaction
store2[2] = 6;
// Check intermediate state (should get new value for 2, but keep intermediate non-saved value for 1)
store1.LoadNewValues();
Assert.That(store1[1], Is.EqualTo(5));
Assert.That(store1[2], Is.EqualTo(6));
// Check after save/reload, both stores should be synchronized
store1.Save();
store2.LoadNewValues();
Assert.That(store1[1], Is.EqualTo(store2[1]));
Assert.That(store1[2], Is.EqualTo(store2[2]));
}
}
