public void AddsObjectsMetadataToHolder()
{
var object1 = new object();
var object2 = new object();
var metadata1 = new UriResolvedMetadata(new Uri("tst://p1/md1/vw1"), Substitute.For <IDisposable>());
var metadata2 = new UriResolvedMetadata(new Uri("tst://p2/md2/vw2"), Substitute.For <IDisposable>());
var holder = new UriResolvedObjectHolder();
holder.Add(object1, metadata1);
holder.Add(object2, metadata2);
var holderMetadata1 = holder.GetMetadata(object1);
var holderMetadata2 = holder.GetMetadata(object2);
// Идентификатор назначается холдером, поэтому придется изменить
// локальные метаданные, ипользуя сведения от GetMetadata.
// Подобное допустимо, т.к. нас интересуют не идентификаторы,
// а все остальные поля.
metadata1 = metadata1.AssignId(holderMetadata1.ResolvedId);
metadata2 = metadata2.AssignId(holderMetadata2.ResolvedId);
Assert.AreEqual(metadata1, holderMetadata1);
Assert.AreEqual(metadata2, holderMetadata2);
}
public void GetsObjectsById()
{
var object1 = new object();
var object2 = new object();
var holder = new UriResolvedObjectHolder();
holder.Add(object1, this._uriResolvedMetadata);
holder.Add(object2, this._uriResolvedMetadata);
var id1 = holder.GetMetadata(object1).ResolvedId;
var id2 = holder.GetMetadata(object2).ResolvedId;
Assert.AreEqual(object1, holder.Get(id1));
Assert.AreEqual(object2, holder.Get(id2));
}
public void RaisesExceptionWhenGettingMetadataForUnknownObject()
{
var holder = new UriResolvedObjectHolder();
ExceptionAssert.Throws <ArgumentOutOfRangeException>(
ex => ex.ParamName == "resolved",
() => holder.GetMetadata(new object()));
}
public void ReuseIdAfterObjectRemoving()
{
var object1 = new object();
var object2 = new object();
var objects = Enumerable
.Range(ShellUriBuilder.MinResolvedId, UriResolvedObjectHolderTests.ValidIdCount - 2)
.Select(_ => new object())
.Concat(Enumerable.Repeat(object1, 1))
.Concat(Enumerable.Repeat(object2, 1));
var holder = new UriResolvedObjectHolder();
foreach (var obj in objects)
{
holder.Add(obj, this._uriResolvedMetadata);
}
var id1 = holder.GetMetadata(object1).ResolvedId;
var id2 = holder.GetMetadata(object2).ResolvedId;
holder.Remove(object1);
holder.Remove(object2);
var object3 = new object();
holder.Add(object3, this._uriResolvedMetadata);
var id3 = holder.GetMetadata(object3).ResolvedId;
Assert.IsTrue(id3 == id1 || id3 == id2);
var object4 = new object();
holder.Add(object4, this._uriResolvedMetadata);
var id4 = holder.GetMetadata(object4).ResolvedId;
Assert.AreNotEqual(id3, id4);
Assert.IsTrue(id4 == id1 || id4 == id2);
}
public void GeneratesUniqueIds()
{
var objects = Enumerable
.Range(ShellUriBuilder.MinResolvedId, UriResolvedObjectHolderTests.ValidIdCount)
.Select(_ => new object());
var ids = new HashSet <int>();
var holder = new UriResolvedObjectHolder();
foreach (var obj in objects)
{
holder.Add(obj, this._uriResolvedMetadata);
var id = holder.GetMetadata(obj).ResolvedId;
Assert.IsTrue(ids.Add(id));
}
}