public void PropertyChanged_should_call_weakly_subscribed_handler_when_handler_is_collected()
{
// Arrange
var observer = new Observer();
var model = new SomeModel(observer);
Action<int> onChange = model.Change;
var weakOnChange = new WeakReference(onChange);
var counter = Reactive.Of(0);
counter.PropertyChanged +=
(sender, args) =>
{
var handler = weakOnChange.Target as Action<int>;
if (handler != null)
handler(counter);
};
// Act
onChange = null;
GC.Collect();
counter.Value = 1;
// Assert
observer.ChangedObserved.Should().BeFalse();
}
public static void ColumnsCollectionsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var grid = d as GridViewDataControl;
if (grid == null)
{
return;
}
_grid = new WeakReference(grid);
grid.Columns.Clear();
grid.Unloaded += _grid_Unloaded;
var collection = (ColumnCollection)e.NewValue;
if (collection == null)
{
return;
}
_collection = new WeakReference(collection);
if (collection.Any())
{
foreach (var column in collection)
{
AddColumnToGrid(grid, column);
}
}
collection.CollectionChanged -= _collection_CollectionChanged;
collection.CollectionChanged += _collection_CollectionChanged;
}
public void TestPublicNestedClassInternalNamedMethod()
{
Reset();
const int index = 99;
_itemPublic = new PublicNestedTestClass(index);
_reference = new WeakReference(_itemPublic);
_action = _itemPublic.GetAction(WeakActionTestCase.InternalNamedMethod);
Assert.IsTrue(_reference.IsAlive);
Assert.IsTrue(_action.IsAlive);
_action.Execute();
Assert.AreEqual(
PublicNestedTestClass.Expected + PublicNestedTestClass.Internal + index,
PublicNestedTestClass.Result);
_itemPublic = null;
GC.Collect();
#if SILVERLIGHT
Assert.IsTrue(_reference.IsAlive); // Anonymous, private and internal methods cannot be GCed
_action = null;
GC.Collect();
Assert.IsFalse(_reference.IsAlive);
#else
Assert.IsFalse(_reference.IsAlive);
#endif
}
public void TestPublicNestedClassPublicNamedMethod()
{
Reset();
const int index = 99;
_itemPublic = new PublicNestedTestClass(index);
_action = _itemPublic.GetAction(WeakActionTestCase.PublicNamedMethod);
_reference = new WeakReference(_itemPublic);
Assert.IsTrue(_reference.IsAlive);
Assert.IsTrue(_action.IsAlive);
_action.Execute();
Assert.AreEqual(
PublicNestedTestClass.Expected + PublicNestedTestClass.Public + index,
PublicNestedTestClass.Result);
_itemPublic = null;
GC.Collect();
Assert.IsFalse(_reference.IsAlive);
}
/// <summary>
/// Initializes a new instance of the <see cref="WeakActionBase"/> class.
/// </summary>
/// <param name="target">The target of the weak action.</param>
/// <exception cref="ArgumentException">The <paramref name="target"/> is <c>null</c> or whitespace.</exception>
protected WeakActionBase(object target)
{
if (target != null)
{
_weakTarget = new WeakReference(target);
}
}
/// <summary>
/// 重建站点缓存
/// </summary>
public static void RebuiltSitesCache()
{
//释放资源
site_ref = null;
//重新赋值
if (sites != null)
{
for (int i = 0; i < sites.Count; i++)
{
sites.Remove(sites[i]);
}
}
sites = ServiceCall.Instance.SiteService.GetSites();
//指定弱引用
site_ref = new WeakReference(sites);
if (OnSiteCacheBuilding != null)
{
OnSiteCacheBuilding();
}
}
/// <summary>
/// Loads the image into given imageView using defined parameters.
/// </summary>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
/// <param name="imageScale">Optional scale factor to use when interpreting the image data. If unspecified it will use the device scale (ie: Retina = 2, non retina = 1)</param>
public static IScheduledWork Into(this TaskParameter parameters, UIImageView imageView, float imageScale = -1f)
{
var weakRef = new WeakReference<UIImageView>(imageView);
Func<UIImageView> getNativeControl = () => {
UIImageView refView;
if (!weakRef.TryGetTarget(out refView))
return null;
return refView;
};
Action<UIImage, bool> doWithImage = (img, fromCache) => {
UIImageView refView = getNativeControl();
if (refView == null)
return;
var isFadeAnimationEnabled = parameters.FadeAnimationEnabled.HasValue ?
parameters.FadeAnimationEnabled.Value : ImageService.Config.FadeAnimationEnabled;
if (isFadeAnimationEnabled && !fromCache)
{
// fade animation
UIView.Transition(refView, 0.4f,
UIViewAnimationOptions.TransitionCrossDissolve
| UIViewAnimationOptions.BeginFromCurrentState,
() => { refView.Image = img; },
() => { });
}
else
{
refView.Image = img;
}
};
return parameters.Into(getNativeControl, doWithImage, imageScale);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
var vm = (RepositoriesExploreViewModel)ViewModel;
var search = (UISearchBar)TableView.TableHeaderView;
TableView.RowHeight = UITableView.AutomaticDimension;
TableView.EstimatedRowHeight = 64f;
var weakVm = new WeakReference<RepositoriesExploreViewModel>(vm);
BindCollection(vm.Repositories, repo =>
{
var description = vm.ShowRepositoryDescription ? repo.Description : string.Empty;
var avatar = new GitHubAvatar(repo.Owner?.AvatarUrl);
var sse = new RepositoryElement(repo.Name, repo.StargazersCount, repo.ForksCount, description, repo.Owner.Login, avatar) { ShowOwner = true };
sse.Tapped += MakeCallback(weakVm, repo);
return sse;
});
OnActivation(d =>
{
d(search.GetChangedObservable().Subscribe(x => vm.SearchText = x));
d(vm.Bind(x => x.IsSearching).SubscribeStatus("Searching..."));
d(search.GetSearchObservable().Subscribe(_ => {
search.ResignFirstResponder();
vm.SearchCommand.Execute(null);
}));
});
}
/// <summary>
/// 重建模块缓存
/// </summary>
public static void RebuiltModule()
{
//释放资源
module_ref = null;
//重新赋值
if (modules != null)
{
for (int i = 0; i < modules.Count; i++)
{
modules.Remove(modules[i]);
}
}
modules = dal.GetModules();
//指定弱引用
module_ref = new WeakReference(modules);
if (OnModuleBuilting != null)
{
OnModuleBuilting();
}
}
public CompressedStream(Stream baseStream)
{
this.baseStream = baseStream;
localByte = new byte[1];
cache = new MemoryStream();
inBufferRef = new WeakReference(inBuffer, false);
}
public void WeakReference()
{
var stringBuilder = new StringBuilder("test");
var weakReference = new WeakReference<StringBuilder>(stringBuilder);
Assert.IsNotNull(weakReference.Target);
Assert.IsInstanceOfType(weakReference.Target, typeof(StringBuilder));
Assert.AreEqual("test", weakReference.Target.ToString());
weakReference = new WeakReference<StringBuilder>(stringBuilder, trackResurrection: true);
Assert.IsNotNull(weakReference.Target);
Assert.IsInstanceOfType(weakReference.Target, typeof(StringBuilder));
Assert.IsTrue(weakReference.TrackResurrection);
Assert.AreEqual("test", weakReference.Target.ToString());
weakReference = new WeakReference<StringBuilder>(stringBuilder, trackResurrection: false);
Assert.IsNotNull(weakReference.Target);
Assert.IsInstanceOfType(weakReference.Target, typeof(StringBuilder));
Assert.IsFalse(weakReference.TrackResurrection);
Assert.AreEqual("test", weakReference.Target.ToString());
stringBuilder = new StringBuilder("test2");
weakReference.Target = stringBuilder;
Assert.IsNotNull(weakReference.Target);
Assert.IsInstanceOfType(weakReference.Target, typeof(StringBuilder));
Assert.IsFalse(weakReference.TrackResurrection);
Assert.AreEqual("test2", weakReference.Target.ToString());
GC.KeepAlive(stringBuilder);
}
public void Reset()
{
_recipient = null;
_recipientInternal = null;
_recipientPrivate = null;
_recipientReference = null;
}
public static void AddFiles(FileStore store, IEnumerable<WeakReference> items)
{
var storeRef = new WeakReference(store);
foreach (var i in items) {
queue.Add(new Item(storeRef, i));
}
}
public void CreateAndDisposeExplicitSetting(ReferenceHandling referenceHandling)
{
var x = new WithSimpleProperties { Value = 1, Time = DateTime.MinValue };
var y = new WithSimpleProperties { Value = 1, Time = DateTime.MinValue };
var propertyChanges = new List<string>();
var expectedChanges = new List<string>();
using (var tracker = Track.IsDirty(x, y, PropertiesSettings.GetOrCreate(referenceHandling)))
{
tracker.PropertyChanged += (_, e) => propertyChanges.Add(e.PropertyName);
Assert.AreEqual(false, tracker.IsDirty);
Assert.AreEqual(null, tracker.Diff);
CollectionAssert.IsEmpty(propertyChanges);
x.Value++;
Assert.AreEqual(true, tracker.IsDirty);
Assert.AreEqual("WithSimpleProperties Value x: 2 y: 1", tracker.Diff.ToString("", " "));
expectedChanges.AddRange(new[] { "Diff", "IsDirty" });
CollectionAssert.AreEqual(expectedChanges, propertyChanges);
}
x.Value++;
CollectionAssert.AreEqual(expectedChanges, propertyChanges);
#if (!DEBUG) // debug build keeps instances alive longer for nicer debugging experience
var wrx = new System.WeakReference(x);
var wry = new System.WeakReference(y);
x = null;
y = null;
System.GC.Collect();
Assert.AreEqual(false, wrx.IsAlive);
Assert.AreEqual(false, wry.IsAlive);
#endif
}
public void TestInternalNestedClassAnonymousStaticMethod()
{
Reset();
_itemInternal = new InternalNestedTestClass();
_reference = new WeakReference(_itemInternal);
_action = _itemInternal.GetFunc(WeakActionTestCase.AnonymousStaticMethod);
Assert.IsTrue(_reference.IsAlive);
Assert.IsTrue(_action.IsAlive);
string result = _action.Execute();
Assert.AreEqual(
InternalNestedTestClass.Expected,
InternalNestedTestClass.Result);
Assert.AreEqual(
InternalNestedTestClass.Expected,
result);
_itemInternal = null;
GC.Collect();
Assert.IsFalse(_reference.IsAlive);
}
public void TestPublicClassPublicStaticMethod()
{
Reset();
_itemPublic = new PublicTestClass();
_reference = new WeakReference(_itemPublic);
_action = _itemPublic.GetFunc(WeakActionTestCase.PublicStaticMethod);
Assert.IsTrue(_reference.IsAlive);
Assert.IsTrue(_action.IsAlive);
var result = _action.Execute();
Assert.AreEqual(
PublicTestClass.Expected + PublicTestClass.PublicStatic,
PublicTestClass.Result);
Assert.AreEqual(
PublicTestClass.Expected + PublicTestClass.PublicStatic,
result);
_itemPublic = null;
GC.Collect();
Assert.IsFalse(_reference.IsAlive);
}
public BaseTypeNodeImpl(ITreeNodeGroup treeNodeGroup, ITypeDefOrRef typeDefOrRef, bool isBaseType) {
TreeNodeGroup = treeNodeGroup;
this.isBaseType = isBaseType;
// Keep weak refs to them so we won't prevent removed modules from being GC'd.
weakRefTypeDefOrRef = new WeakReference(typeDefOrRef);
weakRefResolvedTypeDef = new WeakReference(null);
}
public ViewShowcaseStep(Activity activity, int viewId)
{
this.parentActivity = new WeakReference<Activity>(activity);
this.viewId = viewId;
Setup();
}
static void Main()
{
// Instantiate a weak reference to MathTest object
WeakReference mathReference = new WeakReference(new MathTest());
MathTest math;
if(mathReference.IsAlive)
{
math = mathReference.Target as MathTest;
math.Value = 30;
Console.WriteLine(
"Value field of math variable contains " + math.Value);
Console.WriteLine("Square of 30 is " + math.GetSquare());
}
else
{
Console.WriteLine("Reference is not available.");
}
GC.Collect();
if(mathReference.IsAlive)
{
math = mathReference.Target as MathTest;
}
else
{
Console.WriteLine("Reference is not available.");
}
}
/// <summary>
/// Gets or sets cached data
/// </summary>
/// <value>The cached object or <c>null</c></value>
public object this[object key]
{
get
{
var wr = _cache[key] as WeakReference;
if (wr == null || !wr.IsAlive)
{
_cache.Remove(key);
return null;
}
return wr.Target;
}
set
{
if (value == null)
{
_cache.Remove(key);
}
else
{
_cache[key] = new WeakReference(value);
}
}
}
// Calls to Add must be synchronized.
public void Add(object key, object value)
{
Fx.Assert(key != null, "HopperCache key cannot be null.");
Fx.Assert(value != null, "HopperCache value cannot be null.");
// Special-case DBNull since it can never be collected.
if (this.weak && !object.ReferenceEquals(value, DBNull.Value))
{
value = new WeakReference(value);
}
Fx.Assert(this.strongHopper.Count <= this.hopperSize * 2,
"HopperCache strongHopper is bigger than it's allowed to get.");
if (this.strongHopper.Count >= this.hopperSize * 2)
{
Hashtable recycled = this.limitedHopper;
recycled.Clear();
recycled.Add(key, value);
// The try/finally is here to make sure these happen without interruption.
try { } finally
{
this.limitedHopper = this.strongHopper;
this.strongHopper = recycled;
}
}
else
{
// We do nothing to prevent things from getting added multiple times. Also may be writing over
// a dead weak entry.
this.strongHopper[key] = value;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ObjectReference"/> class.
/// </summary>
/// <param name="creationTime">The creation time.</param>
/// <param name="comObject">The com object to track.</param>
/// <param name="stackTrace">The stack trace.</param>
public ObjectReference(DateTime creationTime, ComObject comObject, string stackTrace)
{
CreationTime = creationTime;
// Creates a long week reference to the ComObject
Object = new WeakReference(comObject, true);
StackTrace = stackTrace;
}
public static void UpdateBinding(object sender, DependencyPropertyChangedEventArgs args)
{
if (sender == null)
return;
span = new WeakReference(sender);
((Span)span.Target).Inlines.Clear();
INotifyCollectionChanged newSource = args.NewValue as INotifyCollectionChanged;
INotifyCollectionChanged oldSource = args.OldValue as INotifyCollectionChanged;
if (oldSource != null)
oldSource.CollectionChanged -= OnSourceCollectionChanged;
if (newSource == null)
return;
// Detach our View from the ViewModel source
//EDIT: Bug fix to reflect PB7's new UI model.
newSource.CollectionChanged -= OnSourceCollectionChanged;
IEnumerable ns = newSource as IEnumerable;
OnSourceCollectionChanged(ns, null);
newSource.CollectionChanged += OnSourceCollectionChanged;
}
/// <summary>
/// Constructor</summary>
public TransactionPropertyNode(ITransactionContext context)
{
if(context != null)
m_contextRef = new WeakReference(context);
else
IsReadOnly = true;
}
private void InvokeOutcomeFunction(TransactionStatus status)
{
WeakReference weakRealTransaction = null;
lock (this)
{
if (this.haveIssuedOutcome)
{
return;
}
this.haveIssuedOutcome = true;
this.savedStatus = status;
weakRealTransaction = this.weakRealTransaction;
}
if (weakRealTransaction != null)
{
RealOletxTransaction target = weakRealTransaction.Target as RealOletxTransaction;
if (target != null)
{
target.FireOutcome(status);
if (target.phase0EnlistVolatilementContainerList != null)
{
foreach (OletxPhase0VolatileEnlistmentContainer container in target.phase0EnlistVolatilementContainerList)
{
container.OutcomeFromTransaction(status);
}
}
if (((TransactionStatus.Aborted == status) || (TransactionStatus.InDoubt == status)) && (target.phase1EnlistVolatilementContainer != null))
{
target.phase1EnlistVolatilementContainer.OutcomeFromTransaction(status);
}
}
weakRealTransaction.Target = null;
}
}
static void WeakReference_TrackResurrection(JSVCall vc)
{
System.WeakReference _this = (System.WeakReference)vc.csObj;
var result = _this.TrackResurrection;
JSApi.setBooleanS((int)JSApi.SetType.Rval, (System.Boolean)(result));
}
static void Main()
{
// Создать слабую ссылку на объект MathTest
var weakReference = new System.WeakReference(new MathTest());
var math = weakReference.Target as MathTest;
if (math != null)
{
math.Value = 30;
Console.WriteLine("Value field of math variable contains {0}", math.Value);
Console.WriteLine("Square of 30 is {0}", math.GetSquare(30));
}
else
{
Console.WriteLine("Reference is not available"); // Ссылка стала недоступна
}
GC.Collect();
if (weakReference.IsAlive)
{
// ReSharper disable once RedundantAssignment
math = weakReference.Target as MathTest;
}
else
{
Console.WriteLine("Reference is not available");
}
Console.ReadKey();
}
void eCX()
{
System.Web.Security.MembershipPasswordException qTY = new System.Web.Security.MembershipPasswordException();
System.Exception tOOK = new System.Exception();
System.Threading.SynchronizationContext MaH = new System.Threading.SynchronizationContext();
System.Web.UI.WebControls.WebParts.PageCatalogPart ayRmRe = new System.Web.UI.WebControls.WebParts.PageCatalogPart();
System.Web.Security.DefaultAuthenticationModule Exmkenb = new System.Web.Security.DefaultAuthenticationModule();
System.Web.SessionState.SessionStateModule TmbqbT = new System.Web.SessionState.SessionStateModule();
System.ResolveEventArgs cGQ = new System.ResolveEventArgs("oYfQTFJiOZSVw");
System.Web.UI.ControlValuePropertyAttribute LIX = new System.Web.UI.ControlValuePropertyAttribute("zCbHRvFJUat", 910602186);
System.Runtime.InteropServices.SetWin32ContextInIDispatchAttribute rfLFm = new System.Runtime.InteropServices.SetWin32ContextInIDispatchAttribute();
System.Net.HttpListenerException tIez = new System.Net.HttpListenerException(2135436060, "NJgG");
System.WeakReference mKrXQJ = new System.WeakReference(1723804374);
System.Web.Configuration.OutputCacheProfile atJh = new System.Web.Configuration.OutputCacheProfile("ArZxwFnPdDdni");
System.ParamArrayAttribute TyUXndy = new System.ParamArrayAttribute();
System.Runtime.Serialization.OnDeserializingAttribute lVgFArZ = new System.Runtime.Serialization.OnDeserializingAttribute();
System.Data.SqlTypes.TypeNumericSchemaImporterExtension QbBDir = new System.Data.SqlTypes.TypeNumericSchemaImporterExtension();
System.Windows.Forms.ListViewGroup MvRc = new System.Windows.Forms.ListViewGroup("ELItUnvMGVWDmEGD");
System.ComponentModel.Design.CheckoutException NwMcuF = new System.ComponentModel.Design.CheckoutException("QdlJvFMgCKYGHpcTb");
System.Globalization.RegionInfo tAChNgq = new System.Globalization.RegionInfo(2015922813);
System.Web.UI.WebControls.ValidationSummary kcldBEv = new System.Web.UI.WebControls.ValidationSummary();
System.Windows.Forms.RelatedImageListAttribute PFSRAV = new System.Windows.Forms.RelatedImageListAttribute("ZtfKTawcAmWr");
System.Web.UI.WebControls.TableSectionStyle ehekxI = new System.Web.UI.WebControls.TableSectionStyle();
System.ComponentModel.ByteConverter oodnW = new System.ComponentModel.ByteConverter();
System.Web.UI.WebControls.DetailsViewPageEventArgs NFia = new System.Web.UI.WebControls.DetailsViewPageEventArgs(599344366);
System.Runtime.Remoting.Metadata.W3cXsd2001.SoapNotation Savfrr = new System.Runtime.Remoting.Metadata.W3cXsd2001.SoapNotation();
}
public void RemoveHandler(object o, System.Reflection.MethodInfo method)
{
//if (!obj)
// return;
if (obj == null)
{
return;
}
System.Collections.Generic.List <Oranikle.Studio.Controls.WeakDelegate <T> > .Enumerator enumerator = obj.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
Oranikle.Studio.Controls.WeakDelegate <T> weakDelegate = enumerator.Current;
System.WeakReference weakReference = weakDelegate.Obj;
object obj1 = weakReference.Target;
if ((obj1 == o) && (weakDelegate.Method == method))
{
obj.Remove(weakDelegate);
return;
}
}
}
finally
{
enumerator.Dispose();
}
}
public IEnumerator GCCollectObjectsCoro()
{
object a = new object();
var wa = new System.WeakReference(a);
Assert.IsTrue(wa.IsAlive);
Collect();
Assert.IsTrue(wa.IsAlive);
a = null;
Collect();
// GC.Collect will only collect if run at least a frame after an object has been destroyed
for (int i = 0; i < 10; ++i)
{
yield return(null);
Assert.IsTrue(wa.IsAlive, "Collect seems to need yielding to work");
}
yield return(null);
Collect();
Assert.IsFalse(wa.IsAlive);
}
// fields
// properties
static void WeakReference_IsAlive(JSVCall vc)
{
System.WeakReference _this = (System.WeakReference)vc.csObj;
var result = _this.IsAlive;
JSApi.setBooleanS((int)JSApi.SetType.Rval, (System.Boolean)(result));
}
/// <summary> Deregisters a cursor from the list to be notified of changes.
///
/// </summary>
/// <param name="cursor"> the cursor to deregister
/// </param>
protected internal virtual void unregisterCursor(Cursor cursor)
{
//UPGRADE_TODO: Method 'java.util.Iterator.hasNext' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073_javautilIteratorhasNext_3"'
for (System.Collections.IEnumerator it = cursors.GetEnumerator(); it.MoveNext();)
{
//UPGRADE_TODO: Method 'java.util.Iterator.next' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073_javautilIteratornext_3"'
System.WeakReference ref_Renamed = (System.WeakReference)it.Current;
//UPGRADE_ISSUE: Method 'java.lang.ref.Reference.get' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javalangrefReference_3"'
Cursor cur = (Cursor)ref_Renamed.get_Renamed();
if (cur == null)
{
// some other unrelated cursor object has been
// garbage-collected; let's take the opportunity to
// clean up the cursors list anyway..
//UPGRADE_ISSUE: Method 'java.util.Iterator.remove' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javautilIteratorremove_3"'
it.remove();
}
else if (cur == cursor)
{
//UPGRADE_ISSUE: Method 'java.lang.ref.Reference.clear' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javalangrefReference_3"'
ref_Renamed.clear();
//UPGRADE_ISSUE: Method 'java.util.Iterator.remove' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javautilIteratorremove_3"'
it.remove();
break;
}
}
}
//Management
internal EventObject(string aEvent, object aDispatcher)
{
this._event = aEvent;
this._dispatcher = new System.WeakReference(aDispatcher);
Init();
}
public static void SetCurrentActivity(Activity activity, bool clear)
{
bool changed = false;
lock (CurrentActivityLocker)
{
var currentActivity = CurrentActivity;
if (clear)
{
if (ReferenceEquals(currentActivity, activity))
{
_activityRef = Empty.WeakReference;
changed = true;
}
}
else if (!ReferenceEquals(currentActivity, activity))
{
_activityRef = ServiceProvider.WeakReferenceFactory(activity);
changed = true;
}
}
if (changed)
{
var handler = CurrentActivityChanged;
if (handler != null)
{
handler(activity, EventArgs.Empty);
}
}
}
private static void DoesNotLeakTrackedProperty()
{
Console.WriteLine("Press any key to allocate.");
Console.ReadKey();
var x = new With <ComplexType> {
ComplexType = new ComplexType("a", 1)
};
var y = new With <ComplexType> {
ComplexType = new ComplexType("a", 1)
};
using (var tracker = Track.IsDirty(x, y))
{
var wrxc = new System.WeakReference(x.ComplexType);
Console.WriteLine("before: {0}", wrxc.IsAlive);
x.ComplexType = null;
Console.WriteLine("Press any key to GC.Collect().");
Console.ReadKey();
GC.Collect();
Console.WriteLine("after: {0}", wrxc.IsAlive);
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
//var wryc = new System.WeakReference(y.ComplexType);
//y.ComplexType = null;
//System.GC.Collect();
//Assert.AreEqual(false, wryc.IsAlive);
}
}
private void TrySetupSteps(DriverType driverType, SeleniteTest test, IWebDriver webDriver)
{
if (test.TestCollection.SetupSteps.IsNullOrNotAny())
return;
var fileName = String.IsNullOrWhiteSpace(test.TestCollection.SetupStepsFile)
? test.TestCollection.ResolvedFile
: test.TestCollection.SetupStepsFile;
foreach (var pair in _setupStepsMap)
{
if (pair.Key.Target != webDriver)
continue;
if (pair.Value.Any(f => String.Equals(f, fileName, StringComparison.InvariantCultureIgnoreCase)))
return;
}
foreach (var setupStep in test.TestCollection.SetupSteps)
_testService.ExecuteTest(webDriver, driverType, setupStep, true);
var weakReference = new WeakReference(webDriver);
var testFiles = new List<string> { fileName };
_setupStepsMap.Add(weakReference, testFiles);
}
/// <value>
/// Creates record
/// </value>
public PrevCheckup(bool aValidMapping, object aTarget, object aItems)
{
IsValidMapping = aValidMapping;
Target = new WeakReference (aTarget);
Items = new WeakReference (aItems);
fmapp = true;
}
public LocalEventKeyInfo(string key, ulong id, MessageStore<Message> store)
{
// Don't hold onto MessageStores that would otherwise be GC'd
_storeReference = new WeakReference(store);
Key = key;
Id = id;
}
public void CreateAndDisposeExplicitSetting(ReferenceHandling referenceHandling)
{
var source = new WithSimpleProperties {
Value1 = 1, Time = DateTime.MinValue
};
var propertyChanges = new List <string>();
var expectedPropertyChanges = new List <string>();
var changes = new List <EventArgs>();
using (var tracker = Track.Changes(source, referenceHandling))
{
tracker.PropertyChanged += (_, e) => propertyChanges.Add(e.PropertyName);
tracker.Changed += (_, e) => changes.Add(e);
CollectionAssert.IsEmpty(propertyChanges);
CollectionAssert.IsEmpty(changes);
source.Value1++;
Assert.AreEqual(1, tracker.Changes);
expectedPropertyChanges.AddRange(new[] { "Changes" });
CollectionAssert.AreEqual(expectedPropertyChanges, propertyChanges);
var expected = new[] { RootChangeEventArgs.Create(ChangeTrackerNode.GetOrCreate(source, tracker.Settings, isRoot: false).Value, new PropertyChangeEventArgs(source, source.GetProperty(nameof(source.Value1)))) };
CollectionAssert.AreEqual(expected, changes, EventArgsComparer.Default);
}
source.Value1++;
CollectionAssert.AreEqual(expectedPropertyChanges, propertyChanges);
#if !DEBUG // debug build keeps instances alive longer for nicer debugging experience
var wrx = new System.WeakReference(source);
source = null;
System.GC.Collect();
Assert.AreEqual(false, wrx.IsAlive);
#endif
}
// gets the parsed version of a string expression
public Expression this[string expression]
{
get
{
Expression x;
WeakReference wr;
if (_dct.TryGetValue(expression, out wr) && wr.IsAlive)
{
x = wr.Target as Expression;
}
else
{
// remove all dead references from dictionary
if (wr != null && _dct.Count > 100 && _hitCount++ > 100)
{
RemoveDeadReferences();
_hitCount = 0;
}
// store this expression
x = _ce.Parse(expression);
_dct[expression] = new WeakReference(x);
}
return x;
}
}
static void Main(string[] args)
{
string s1 = "abc";
string s2 = "123";
Console.WriteLine(s1 == s2);
bool b = object.ReferenceEquals(s1, s2);
Console.WriteLine(b);
string s3 = s2;
b = object.ReferenceEquals(s2, s3);
Console.WriteLine(b);
Console.WriteLine("======Point=======");
Point p1 = new Point(3, 5);
Point p2 = new Point(3, 5);
Console.WriteLine(p1 == p2);
Console.WriteLine(object.ReferenceEquals(p1, p2));
WeakReference wr = new WeakReference(p1);
Console.WriteLine("======string=======");
string s4 = "abc";
string s5 = "abc";
//因为有字符串拘留池的存在，所以仅有一个字符串的实例存在
Console.WriteLine(object.ReferenceEquals(s4, s5));
Console.WriteLine("======string=======");
string s6 = "123";
string s7 = new string("123".ToCharArray());//new相当于是说强制重新创建一个字符串
Console.WriteLine(object.ReferenceEquals(s6, s7));
}
public WeakEventHandler(System.EventHandler eventHandler, Oranikle.Studio.Controls.UnregisterCallback unregister)
{
m_TargetRef = new System.WeakReference(eventHandler.Target);
m_OpenHandler = (Oranikle.Studio.Controls.WeakEventHandler <T> .OpenEventHandler)System.Delegate.CreateDelegate(typeof(Oranikle.Studio.Controls.WeakEventHandler <T> .OpenEventHandler), null, eventHandler.Method);
m_Handler = new System.EventHandler(Invoke);
m_Unregister = unregister;
}
public OptionSelector()
{
Options = new ObservableCollection <UIElement>();
System.WeakReference wr = new System.WeakReference(this);
this.Initialized += (s, e) => { ((OptionSelector)wr.Target).OnInitialized(s, e); };
this.InitializeComponent();
}
public MainWindow()
{
System.WeakReference wr = new System.WeakReference(this);
this.Loaded += (s, e) => { ((MainWindow)wr.Target).OnLoaded(s, e); };
this.SizeChanged += (s, e) => { ((MainWindow)wr.Target).OnSizeChanged(s, e); };
this.InitializeComponent();
}
/// <summary>
/// Initializes a new WeakReferenceMethode object.
/// </summary>
/// <param name="callback">Delegate of the methode which should be called.</param>
public WeakRefernceMethod(System.Action callback)
// ^-> here the address is blocked.
// Garbage Collection cannot remove the owner
{
this._CallbackMethod = new WeakReference(callback);
// ^-> now the address of the delegate isn't blocked
// any longer. If is needed the garbage collection can remove the owner
}
void OnTriggerEnter(Collider other)
{
FoodBehaviour food = other.GetComponent <FoodBehaviour>();
if (food)
{
ImTouchingThisFood = new System.WeakReference <FoodBehaviour>(food);
}
}
private void DownloadImage(object state)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
System.Diagnostics.Debug.WriteLine("ReIncarnation {0}", state.ToString());
bitmapImage = new WeakReference(new BitmapImage(new Uri(state as string)));
NotifyPropertyChanged("SmallImageSource");
}
);
}
public HaulExplicitlyInventoryRecord(Thing initial, HaulExplicitlyPosting parentPosting)
{
_parentPosting = new System.WeakReference(parentPosting);
items.Add(initial);
itemDef = initial.def;
itemStuff = initial.Stuff;
miniDef = (initial as MinifiedThing)?.InnerThing.def;
selectedQuantity = initial.stackCount;
ResetMerge();
}
public TransientData(tk2dSpriteCollectionData data)
{
name = data.spriteCollectionName;
dataWeakRef = new System.WeakReference(data);
if (data.needMaterialInstance)
{
createdMaterials = data.materialInsts;
createdTextures = data.textureInsts;
}
}
void OnTriggerExit(Collider other)
{
FoodBehaviour food = other.GetComponent <FoodBehaviour>();
FoodBehaviour imTouchingThisFood;
if (ImTouchingThisFood != null && ImTouchingThisFood.TryGetTarget(out imTouchingThisFood) && food == imTouchingThisFood)
{
ImTouchingThisFood = null;
}
}
public void Dispose()
{
if (bundle_ != null)
{
bundle_.UnloadAsset(name_);
bundle_ = null;
}
assets_.Remove(name_);
asset_ = null;
}
private void OnCollisionEnter(Collision collision)
{
if (collision.collider.CompareTag("Toy"))
{
ToyBehaviour toy = collision.collider.GetComponent <ToyBehaviour>();
if (toy)
{
ImTouchingThisToy = new System.WeakReference <ToyBehaviour>(toy);
}
}
}
protected virtual void Awake()
{
if (_instance == null)
{
_instance = new System.WeakReference(this);
}
else if ((T)_instance.Target != null && _instance.IsAlive && (T)_instance.Target != this)
{
Destroy(gameObject);
}
}
public HashableWeakRef(T aTarget)
{
if (aTarget != null)
{
_weakReference = new System.WeakReference(aTarget);
_hashcode = aTarget.GetHashCode();
}
else
{
throw new InvalidOperationException("Can't create HashableWeakRef out of a null reference!");
}
}
/*
* private Dictionary<Camera, Camera> m_ReflectionCameras = new Dictionary<Camera, Camera>(); // Camera -> Camera table
* private Dictionary<Camera, Camera> m_RefractionCameras = new Dictionary<Camera, Camera>(); // Camera -> Camera table
* private RenderTexture m_ReflectionTexture;
* public int textureSize = 256;
* private int m_OldReflectionTextureSize;
* private static bool s_InsideWater;
*
* public LayerMask reflectLayers = -1;
* public float clipPlaneOffset = 0.07f;*/
//在HexSubMapView.cs中的HexSubMapView.InitBg中被引用
//初始化来自Hex的数据
public void Init(HEX hex, int x, int y)
{
_weak_hex = new System.WeakReference(hex);
_x = x;
_y = y;
int z = (x + 1) * hex.xTile - hex.xMax;
int w = (y + 1) * hex.yTile - hex.yMax;
_xTile = z > 0 ? hex.xTile - z : hex.xTile;
_yTile = w > 0 ? hex.xTile - w : hex.yTile;
GenMeshWithBound(hex);
GenHexMesh(hex);
}
internal void Destroy()
{
if (_onDestroyCallback != null)
{
_onDestroyCallback(this);
_onDestroyCallback = null;
}
_event = "";
_params = null;
_dispatcher = null;
_listenerList.Clear();
}
public void GCCollectObjects()
{
object a = new object();
var wa = new System.WeakReference(a);
Assert.IsTrue(wa.IsAlive);
Collect();
Assert.IsTrue(wa.IsAlive);
a = null;
Collect();
Assert.IsTrue(wa.IsAlive, "Why oh why does it not get collected?");
}
static void WeakReference_Target(JSVCall vc)
{
if (vc.bGet)
{
System.WeakReference _this = (System.WeakReference)vc.csObj;
var result = _this.Target;
JSMgr.datax.setWhatever((int)JSApi.SetType.Rval, result);
}
else
{
System.Object arg0 = (System.Object)JSMgr.datax.getWhatever((int)JSApi.GetType.Arg);
System.WeakReference _this = (System.WeakReference)vc.csObj;
_this.Target = arg0;
}
}
public void Add(string key, Object obj)
{
if (elementDict == null)
{
elementDict = new Dictionary <string, System.WeakReference>();
}
var refObj = new System.WeakReference(obj);
if (elementDict.ContainsKey(key))
{
Debug.LogWarning("key:" + key + " existed, overwrite it");
}
elementDict[key] = refObj;
}
/// <summary>
/// Adds the specified ev.
/// </summary>
/// <param name="eh">The eh.</param>
public void Add(T eh)
{
if (eh != null)
{
Delegate d = (Delegate)(object)eh;
if (eventEntries.Count == eventEntries.Capacity)
{
RemoveDeadEntries();
}
MethodInfo targetMethod = d.Method;
object targetInstance = d.Target;
System.WeakReference target = targetInstance != null ? new System.WeakReference(targetInstance) : null;
eventEntries.Add(new EventEntry(FastSmartWeakEventForwarderProvider.GetForwarder(targetMethod), targetMethod, target));
}
}
