public void InsertsItemInListAtTheSpecifiedIndex()
{
var target = new TestableSnapshottingList <object>();
var item = new object();
target.Insert(0, item);
Assert.Same(item, target.Collection[0]);
}
public void ResetsSnapshotSoThatItIsRecreatedAtNextRead()
{
var target = new TestableSnapshottingList <object>();
target.GetSnapshot();
target.Insert(0, null);
Assert.Null(target.Snapshot);
}
public void RemovesItemAtTheSpecifiedIndexInList()
{
var target = new TestableSnapshottingList <object> {
null
};
target.RemoveAt(0);
Assert.Equal(0, target.Collection.Count);
}
public void ReturnsIndexOfGivenItemInSnapshot()
{
var target = new TestableSnapshottingList <object>();
var item = new object();
target.Snapshot = new List <object> {
item
};
Assert.Equal(0, target.IndexOf(item));
}
public void SetterReplacesItemAtTheSpecifiedIndexInList()
{
var target = new TestableSnapshottingList <object> {
null
};
var item = new object();
target[0] = item;
Assert.Same(item, target.Collection[0]);
}
public void GetterReturnsSnapshotItemAtSpecifiedIndex()
{
var target = new TestableSnapshottingList <object>();
var item = new object();
target.Snapshot = new List <object> {
item
};
Assert.Same(item, target[0]);
}
public void CreatesCloneOfGivenList()
{
var target = new TestableSnapshottingList <object>();
var item = new object();
var input = new List <object> {
item
};
IList <object> output = target.CreateSnapshot(input);
Assert.Same(item, output[0]);
}
public void SetterResetsSnapshotSoThatItIsRecreatedAtNextRead()
{
var target = new TestableSnapshottingList <object> {
null
};
target.GetSnapshot();
target[0] = new object();
Assert.Null(target.Snapshot);
}
public void ResetsSnapshotSoThatItIsRecreatedAtNextRead()
{
var target = new TestableSnapshottingList <object> {
null
};
target.GetSnapshot();
target.RemoveAt(0);
Assert.IsNull(target.Snapshot);
}
public void LocksCollectionForThreadSafety()
{
Task anotherThread;
var target = new TestableSnapshottingList <object>();
lock (target.Collection)
{
anotherThread = TaskEx.Run(() => target.Insert(0, new object()));
Assert.False(anotherThread.Wait(20));
}
Assert.True(anotherThread.Wait(20));
}
public void SetterLocksCollectionForThreadSafety()
{
Task anotherThread;
var target = new TestableSnapshottingList <object> {
null
};
lock (target.Collection)
{
anotherThread = TaskEx.Run(() => target[0] = new object());
Assert.IsFalse(anotherThread.Wait(20));
}
Assert.IsTrue(anotherThread.Wait(20));
}
public void LocksCollectionForThreadSafety()
{
Task anotherThread;
var target = new TestableSnapshottingList <object> {
null
};
lock (target.Collection)
{
anotherThread = Task.Run(() => target.RemoveAt(0));
Assert.False(anotherThread.Wait(20));
}
Assert.True(anotherThread.Wait(20));
}
public void CreatesNewList()
{
var target = new TestableSnapshottingList <object>();
Assert.NotNull(target.Collection);
}
