1071 строка
37 KiB
C#
1071 строка
37 KiB
C#
using System;
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using System.Diagnostics;
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#if !__WATCHOS__
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using System.Drawing;
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#endif
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using System.Runtime.InteropServices;
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using System.Threading;
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using System.Threading.Tasks;
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using CoreGraphics;
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using Foundation;
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using ObjCRuntime;
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#if !__WATCHOS__
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using SpriteKit;
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#endif
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#if !MONOMAC
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using UIKit;
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#endif
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using NUnit.Framework;
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using MonoTests.System.Net.Http;
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using Xamarin.Utils;
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namespace MonoTouchFixtures.ObjCRuntime {
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static class AssociatedObjects {
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public enum AssociationPolicy { // uintptr_t
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Assign = 0,
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RetainNonAtomic = 1,
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CopyNonAtomic = 3,
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Retain = 0x301,
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Copy = 0x303,
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}
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[DllImport (Messaging.LIBOBJC_DYLIB)]
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static extern void objc_setAssociatedObject (IntPtr obj, IntPtr key, IntPtr value, IntPtr policy);
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public static void SetAssociatedObject (this NSObject self, IntPtr key, NSObject value, AssociationPolicy policy)
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{
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objc_setAssociatedObject (self.Handle, key, value.Handle, new IntPtr ((int) policy));
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}
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public static IntPtr GetAssociatedPointer (this NSObject self, IntPtr key)
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{
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throw new NotImplementedException ();
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}
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public static void RemoveAssociatedObjects (this NSObject self)
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{
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throw new NotImplementedException ();
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}
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}
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[TestFixture]
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[Preserve (AllMembers = true)]
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public class RuntimeTest {
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static bool connectMethodTestDone;
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[Test]
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public void ConnectMethodTest ()
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{
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if (connectMethodTestDone)
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Assert.Ignore ("This test can only be executed once, it modifies global state.");
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if (!Runtime.DynamicRegistrationSupported)
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Assert.Ignore ("This test requires support for dynamic registration.");
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connectMethodTestDone = true;
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// Bug 20013. This should not throw a KeyNotFoundException.
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Runtime.ConnectMethod (typeof (ConnectMethodClass).GetMethod ("Method"), new Selector ("method"));
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}
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class ConnectMethodClass : NSObject {
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public void Method () { }
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}
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[Test]
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public void GetNSObject_IntPtrZero ()
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{
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Assert.Null (Runtime.GetNSObject (IntPtr.Zero));
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}
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[Test]
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public void RegisterAssembly_null ()
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{
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Assert.Throws<ArgumentNullException> (() => Runtime.RegisterAssembly (null));
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}
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#if __IOS__ && !__MACCATALYST__
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[Test]
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public void StartWWAN ()
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{
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Assert.Throws<ArgumentNullException> (delegate { Runtime.StartWWAN (null); }, "null");
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Assert.Throws<ArgumentException> (delegate { Runtime.StartWWAN (new Uri ("ftp://www.xamarin.com")); }, "ftp");
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Runtime.StartWWAN (new Uri ("http://www.xamarin.com"));
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}
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#endif // __IOS__ && !__MACCATALYST__
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[Test]
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public void GetNSObject_Subclass ()
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{
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using (var c = new NSHttpCookie ("name", "value")) {
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// we want to ensure we get the NSMutableDictionary even if we ask for (the base) NSDictionary
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var d = Runtime.GetNSObject<NSDictionary> (Messaging.IntPtr_objc_msgSend (c.Handle, Selector.GetHandle ("properties")));
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Assert.That (d, Is.TypeOf<NSMutableDictionary> (), "NSMutableDictionary");
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}
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}
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#if !__WATCHOS__
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[Test]
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public void GetNSObject_Different_Class ()
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{
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TestRuntime.AssertXcodeVersion (5, 0);
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TestRuntime.AssertSystemVersion (ApplePlatform.MacOSX, 10, 9, throwIfOtherPlatform: false);
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IntPtr class_ptr = Class.GetHandle ("SKPhysicsBody");
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var size = new CGSize (3, 2);
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using (var body = Runtime.GetNSObject<SKPhysicsBody> (Messaging.IntPtr_objc_msgSend_CGSize (class_ptr, Selector.GetHandle ("bodyWithRectangleOfSize:"), size))) {
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// This would normally return a PKPhysicsBody which is not a subclass but answers the same selectors
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// as a SKPhysicsBody. That's an issue since we can't register PKPhysicsBody (Apple won't like it since
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// it's a private type) and the non-generic version of GetNSObject (and bindings) would throw an
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// InvalidaCastException (since it's Class will resolve to NSObject)
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// note: that's the internal PhysicKit shared by UIKit and SpriteKit
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Assert.That (body, Is.TypeOf<SKPhysicsBody> (), "SKPhysicsBody");
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}
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}
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#endif // !__WATCHOS__
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[Test]
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public void GetNSObject_Posing_Class ()
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{
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TestRuntime.AssertXcodeVersion (5, 0);
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TestRuntime.AssertSystemVersion (ApplePlatform.MacOSX, 10, 9, throwIfOtherPlatform: false);
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NSUrlSession session = NSUrlSession.SharedSession;
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using (var request = new NSUrlRequest (new NSUrl (NetworkResources.MicrosoftUrl))) {
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// In iOS 8 the native CreateDownloadTask function returns an instance of a
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// __NSCFLocalDownloadTask, which does not derive from
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// NSUrlSessionDownloadTask (which is the documented/expected return type from
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// CreateDownloadTask). But __NSCFLocalDownloadTask does override
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// isKindOfClass: to return true if asked about NSUrlSessionDownloadTask.
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// In other words it's posing as a NSUrlSessionDownloadTask.
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using (var o = session.CreateDownloadTask (request)) {
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}
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}
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}
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[Test]
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public void GetNSObject_T_SameHandleDifferentInstances ()
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{
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using var a = new NSDictionary<NSString, NSObject> ();
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using var b = new NSDictionary<NSString, NSString> ();
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using var c = new NSDictionary ();
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if (a.Handle != b.Handle || a.Handle != c.Handle)
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Assert.Ignore ("The dictionaries are actually different");
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var handle = a.Handle;
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Assert.DoesNotThrow (() => Runtime.GetNSObject<NSDictionary> (handle), "A");
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Assert.DoesNotThrow (() => Runtime.GetNSObject<NSDictionary<NSString, NSObject>> (handle), "B");
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Assert.DoesNotThrow (() => Runtime.GetNSObject<NSDictionary<NSString, NSString>> (handle), "C");
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}
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[Test]
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public void UsableUntilDead ()
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{
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// The test can be inconclusive once in a while.
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// 100 times in a row is a bit too much though.
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for (int i = 0; i < 100; i++) {
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if (UsableUntilDeadImpl ())
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return;
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}
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Assert.Inconclusive ("Failed to collect the notification object at least once in 100 runs.");
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}
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public bool UsableUntilDeadImpl ()
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{
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// This test ensure that the main thread can send messages to a garbage collected object,
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// until the final 'release' message for the managed reference has been sent
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// (on the main thread).
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var notifierHandle = IntPtr.Zero;
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// bool isDeallocated = false;
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Action deallocated = () => {
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//Console.WriteLine ("Final release!");
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// isDeallocated = true;
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};
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ManualResetEvent isCollected = new ManualResetEvent (false);
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Action collected = () => {
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//Console.WriteLine ("Garbage collected!");
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isCollected.Set ();
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};
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bool isNotified = false;
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Action notified = () => {
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//Console.WriteLine ("Notified");
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isNotified = true;
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};
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// Create an object whose handle we store in a local variable. We do not
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// store the object itself, since we want the object to be garbage collected.
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var t = new Thread (() => {
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var obj = new Notifier (collected, notified);
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ReleaseNotifier.NotifyWhenDeallocated (obj, deallocated);
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notifierHandle = obj.Handle;
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}) {
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IsBackground = true,
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};
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t.Start ();
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t.Join ();
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// Now we have a handle to an object that may be garbage collected at any time.
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int counter = 0;
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do {
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GC.Collect ();
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GC.WaitForPendingFinalizers ();
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} while (counter++ < 10 && !isCollected.WaitOne (10));
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// Now we have a handle to a garbage collected object.
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if (!isCollected.WaitOne (0)) {
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// Objects may randomly not end up collected (at least in Boehm), because
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// other objects may happen to contain a random value pointing to the
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// object we're waiting to become freed.
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return false;
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}
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// Send a message to the collected object.
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Messaging.void_objc_msgSend (notifierHandle, Selector.GetHandle ("notify"));
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Assert.IsTrue (isNotified, "notified");
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// We're done. Cleanup.
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NSRunLoop.Main.RunUntil (NSDate.Now.AddSeconds (0.1));
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// Don't verify cleanup, it's not consistent.
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// And in any case it's not what this test is about.
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// Assert.IsTrue (isDeallocated, "released");
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return true;
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}
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class Notifier : NSObject {
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Action collected;
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Action notified;
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public Notifier (Action collected, Action notified)
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{
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this.collected = collected;
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this.notified = notified;
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}
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~Notifier ()
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{
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collected ();
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}
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[Export ("notify")]
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void Notify ()
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{
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Console.WriteLine ("{0} Notified", DateTime.Now.ToString ());
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notified ();
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}
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}
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class Level1 : NSObject { } // we need two levels of subclassing, since the XI will override 'release' on the first one, and we need to override it as well.
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class ReleaseNotifier : Level1 {
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Action deallocated;
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bool enabled;
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ReleaseNotifier (Action deallocated)
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{
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this.deallocated = deallocated;
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}
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[Export ("release")]
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void Release ()
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{
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if (enabled)
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deallocated ();
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Messaging.objc_super super;
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super.Handle = Handle;
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super.SuperHandle = ClassHandle;
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Messaging.void_objc_msgSendSuper (ref super, Selector.GetHandle ("release"));
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}
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public static void NotifyWhenDeallocated (NSObject obj, Action deallocated)
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{
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// Add an associated object which will be 'released'd when the obj
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// to watch is deallocated. When 'release' is sent, then invoke
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// the 'deallocated' callback.
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var notifier = new ReleaseNotifier (deallocated);
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obj.SetAssociatedObject (IntPtr.Zero, notifier, AssociatedObjects.AssociationPolicy.Retain);
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notifier.Dispose (); // remove any managed references.
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notifier.enabled = true; // notify on the next 'release' message.
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}
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}
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[Test]
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public void FinalizationRaceCondition ()
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{
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#if __WATCHOS__
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if (Runtime.Arch == Arch.DEVICE)
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Assert.Ignore ("This test uses too much memory for the watch.");
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#endif
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NSDictionary dict = null;
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var thread = new Thread (() => {
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dict = new NSMutableDictionary ();
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dict ["Hello"] = new NSString (@"World");
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dict ["Bye"] = new NSString (@"Bye");
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}) {
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IsBackground = true
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};
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thread.Start ();
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thread.Join ();
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var getter1 = new Func<string, string> ((key) => dict [key] as NSString);
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var getter2 = new Func<string, NSString> ((key) => dict [key] as NSString);
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var broken = 0;
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var count = 0;
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thread = new Thread (() => {
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var watch = new Stopwatch ();
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watch.Start ();
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while (broken == 0 && watch.ElapsedMilliseconds < 10000) {
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// try getting using Systen.String key
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string hello = getter1 ("Hello");
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if (hello is null)
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broken = 1;
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string bye = getter1 ("Bye");
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if (bye is null)
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broken = 2;
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// try getting using NSString key
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string nHello = getter2 (new NSString (@"Hello"));
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string nBye = getter2 (new NSString (@"Bye"));
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if (nHello is null)
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broken = 3;
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if (nBye is null)
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broken = 4;
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count++;
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}
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}) {
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IsBackground = true,
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};
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thread.Start ();
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while (!thread.Join (1))
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NSRunLoop.Main.RunUntil (NSDate.Now.AddSeconds (0.1));
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Assert.AreEqual (0, broken, string.Format ("broken after {0} iterations", count));
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}
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[Test]
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public void ConnectMethod ()
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{
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if (!Runtime.DynamicRegistrationSupported)
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Assert.Ignore ("This test requires support for dynamic registration.");
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var minfo = typeof (RuntimeTest).GetMethod ("ConnectMethod");
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Assert.Throws<ArgumentNullException> (() => Runtime.ConnectMethod (null, new Selector ("")), "1");
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Assert.Throws<ArgumentNullException> (() => Runtime.ConnectMethod (minfo, null), "2");
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Assert.Throws<ArgumentNullException> (() => Runtime.ConnectMethod (null, minfo, new ExportAttribute ("foo")), "3");
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Assert.Throws<ArgumentNullException> (() => Runtime.ConnectMethod (typeof (RuntimeTest), null, new ExportAttribute ("foo")), "4");
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Assert.Throws<ArgumentNullException> (() => Runtime.ConnectMethod (typeof (RuntimeTest), minfo, (ExportAttribute) null), "5");
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Assert.Throws<ArgumentException> (() => Runtime.ConnectMethod (typeof (RuntimeTest), minfo, new Selector ("foo")), "6");
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Assert.Throws<ArgumentException> (() => Runtime.ConnectMethod (typeof (A), minfo, new Selector ("foo")), "7");
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}
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static bool connectMethod1Done;
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[Test]
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public void ConnectMethod1 ()
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{
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if (!Runtime.DynamicRegistrationSupported)
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Assert.Ignore ("This test requires support for dynamic registration.");
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if (connectMethod1Done)
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Assert.Ignore ("This is a one-shot test. Restart to run again.");
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connectMethod1Done = true;
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Runtime.ConnectMethod (typeof (A).GetMethod ("Test"), new Selector ("test1"));
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using (var a = new A ())
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Messaging.void_objc_msgSend (a.Handle, Selector.GetHandle ("test1"));
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}
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static bool connectMethod2Done;
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[Test]
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public void ConnectMethod2 ()
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{
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if (!Runtime.DynamicRegistrationSupported)
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Assert.Ignore ("This test requires support for dynamic registration.");
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if (connectMethod2Done)
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Assert.Ignore ("This is a one-shot test. Restart to run again.");
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connectMethod2Done = true;
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// the method is not declared on the type we're connecting to,but a completely different type.
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Runtime.ConnectMethod (typeof (A), typeof (RuntimeTest).GetMethod ("Test2"), new Selector ("test2"));
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Messaging.void_objc_msgSend (Class.GetHandle (typeof (A)), Selector.GetHandle ("test2"));
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Assert.IsTrue (calledTest2);
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}
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static bool calledTest2;
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public static void Test2 ()
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{
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calledTest2 = true;
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}
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static bool connectMethod3Done;
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[Test]
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public void ConnectMethod3 ()
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{
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if (!Runtime.DynamicRegistrationSupported)
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Assert.Ignore ("This test requires support for dynamic registration.");
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if (connectMethod3Done)
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Assert.Ignore ("This is a one-shot test. Restart to run again.");
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connectMethod3Done = true;
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Runtime.ConnectMethod (typeof (NSString), typeof (RuntimeTest).GetMethod ("Test3"), new Selector ("test3"));
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Messaging.void_objc_msgSend (Class.GetHandle (typeof (NSString)), Selector.GetHandle ("test3"));
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Assert.IsTrue (calledTest3);
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}
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static bool calledTest3;
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public static void Test3 ()
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{
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calledTest3 = true;
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}
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class A : NSObject {
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public void Test ()
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{
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Console.WriteLine ("Tested!");
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}
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}
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[Test]
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public void GetINativeObjectTest ()
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{
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// create a string and try to get it.
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IntPtr strptr = IntPtr.Zero;
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IntPtr valueptr;
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NSString obj;
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try {
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strptr = Marshal.StringToHGlobalAuto ("value");
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valueptr = Messaging.IntPtr_objc_msgSend_IntPtr (Class.GetHandle (typeof (NSString)), Selector.GetHandle ("stringWithUTF8String:"), strptr);
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Assert.Throws<RuntimeException> (() => Runtime.GetINativeObject<INativeObject> (valueptr, false), "INativeObject");
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valueptr = Messaging.IntPtr_objc_msgSend_IntPtr (Class.GetHandle (typeof (NSString)), Selector.GetHandle ("stringWithUTF8String:"), strptr);
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obj = Runtime.GetINativeObject<NSObject> (valueptr, false) as NSString;
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Assert.AreEqual ("value", (string) obj, "NSObject");
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valueptr = Messaging.IntPtr_objc_msgSend_IntPtr (Class.GetHandle (typeof (NSString)), Selector.GetHandle ("stringWithUTF8String:"), strptr);
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obj = Runtime.GetINativeObject<NSString> (valueptr, false) as NSString;
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Assert.AreEqual ("value", (string) obj, "NSString");
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valueptr = Messaging.IntPtr_objc_msgSend_IntPtr (Class.GetHandle (typeof (NSString)), Selector.GetHandle ("stringWithUTF8String:"), strptr);
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var nscopying = Runtime.GetINativeObject<INSCopying> (valueptr, false);
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Assert.NotNull (nscopying, "INSCopying");
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} finally {
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Marshal.FreeHGlobal (strptr);
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}
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}
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[Test]
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public void NSAutoreleasePoolInThreadPool ()
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{
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var count = 100;
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var counter = new CountdownEvent (count);
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var obj = new NSObject ();
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for (int i = 0; i < count; i++) {
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ThreadPool.QueueUserWorkItem ((v) => {
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obj.DangerousRetain ().DangerousAutorelease ();
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counter.Signal ();
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});
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}
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Assert.IsTrue (counter.Wait (TimeSpan.FromSeconds (5)), "timed out");
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// there is a race condition here: we don't necessarily know when the
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// threadpool's autorelease pools are freed (in theory we can have X
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// threadpool threads stopped just after the 'counter.Signal' line,
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// before unwinding to the autorelease pool's dispose frame). So
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// assert that the retain count has decreased, but not that it has
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// decreased to 1
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var max_iterations = 100;
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var iterations = 0;
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while ((long) obj.RetainCount > (long) count / 2 && iterations++ < max_iterations) {
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Thread.Sleep (100);
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}
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Assert.That (obj.RetainCount, Is.Not.GreaterThan ((nuint) (count / 2)), "RC. Iterations: " + iterations);
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obj.Dispose ();
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}
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[Test]
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public void NSAutoreleasePoolInThread ()
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{
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var count = 10;
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var threads = new Thread [count];
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var obj = new NSObject ();
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for (int i = 0; i < count; i++) {
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threads [i] = new Thread ((v) => {
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obj.DangerousRetain ().DangerousAutorelease ();
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}) {
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Name = $"NSAutoreleasePoolInThread #{i}",
|
|
IsBackground = true,
|
|
};
|
|
threads [i].Start ();
|
|
}
|
|
|
|
for (var i = 0; i < count; i++) {
|
|
Assert.IsTrue (threads [i].Join (TimeSpan.FromSeconds (1)), $"Thread #{i}");
|
|
}
|
|
|
|
// Strangely enough there seems to be a race condition here, not all threads will necessarily
|
|
// have completed the autorelease by this point. Some should have though, so assert that the object
|
|
// was released on at least half the threads.
|
|
Assert.That ((int) obj.RetainCount, Is.LessThan (count / 2), "RC");
|
|
|
|
obj.Dispose ();
|
|
}
|
|
|
|
class ResurrectedObjectsDisposedTestClass : NSObject {
|
|
[Export ("invokeMe:wait:")]
|
|
static bool InvokeMe (NSObject obj, int invokerWait)
|
|
{
|
|
Thread.Sleep (invokerWait);
|
|
|
|
return obj.Handle != IntPtr.Zero;
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
#if !MONOMAC || NET // Failing with 10 broken in legacy Xamarin.Mac
|
|
[TestCase (typeof (NSObject))]
|
|
#endif
|
|
[TestCase (typeof (ResurrectedObjectsDisposedTestClass))]
|
|
public void ResurrectedObjectsDisposedTest (Type type)
|
|
{
|
|
#if __WATCHOS__
|
|
if (Runtime.Arch == Arch.DEVICE)
|
|
Assert.Ignore ("This test uses too much memory for the watch.");
|
|
#endif
|
|
|
|
var invokerClassHandle = Class.GetHandle (typeof (ResurrectedObjectsDisposedTestClass));
|
|
|
|
// Create a number of native objects with no managed wrappers.
|
|
// We create more than one to try to minimize the random effects
|
|
// of the GC (a random value somewhere can keep a single object
|
|
// from being collected, but the chances of X random values keeping
|
|
// X objects from being collected are much lower).
|
|
// Also the consequences if the GC doesn't collect an object is
|
|
// that the test unexpectedly succeeds.
|
|
// 10 objects seem to be a fine number that will cause pretty much
|
|
// all test executions to fail.
|
|
var objects = new IntPtr [10];
|
|
for (int i = 0; i < objects.Length; i++)
|
|
objects [i] = Messaging.IntPtr_objc_msgSend (Messaging.IntPtr_objc_msgSend (Class.GetHandle (type), Selector.GetHandle ("alloc")), Selector.GetHandle ("init"));
|
|
|
|
// Create a thread that creates managed wrappers for all of the above native objects.
|
|
// We do this on a separate thread so that the GC finds no pointers to the managed
|
|
// objects in any thread.
|
|
var t1 = new Thread (() => {
|
|
for (int i = 0; i < objects.Length; i++)
|
|
Messaging.bool_objc_msgSend_IntPtr_int (invokerClassHandle, Selector.GetHandle ("invokeMe:wait:"), objects [i], 0);
|
|
});
|
|
t1.Start ();
|
|
t1.Join ();
|
|
|
|
// Collect all those managed wrappers, and make sure their finalizers are executed.
|
|
GC.Collect ();
|
|
GC.WaitForPendingFinalizers ();
|
|
|
|
// Now all the managed wrappers should be on NSObject's drain queue on the main thread.
|
|
|
|
// Spin up a thread for every native object, and invoke a managed method
|
|
// that will fetch the managed wrapper and then wait for a while (500ms),
|
|
// before verifying that the managed object hasn't been disposed while waiting.
|
|
var invokerWait = 500;
|
|
var threads = new Thread [objects.Length];
|
|
var brokenCount = 0;
|
|
var countdown = new CountdownEvent (threads.Length);
|
|
for (int t = 0; t < threads.Length; t++) {
|
|
var tt = t;
|
|
var thread = new Thread (() => {
|
|
var ok = Messaging.bool_objc_msgSend_IntPtr_int (invokerClassHandle, Selector.GetHandle ("invokeMe:wait:"), objects [tt], invokerWait);
|
|
if (!ok) {
|
|
//Console.WriteLine ("Broken #{0}: 0x{1}", tt, objects [tt].ToString ("x"));
|
|
Interlocked.Increment (ref brokenCount);
|
|
}
|
|
countdown.Signal ();
|
|
});
|
|
thread.Start ();
|
|
}
|
|
|
|
// Now all those threads should be waiting.
|
|
|
|
// Run the runloop on the main thread, which will drain the managed wrappers
|
|
// on NSObject's drain queue.
|
|
while (!countdown.IsSet) {
|
|
NSRunLoop.Current.RunUntil ((NSDate) DateTime.Now.AddSeconds (0.1));
|
|
}
|
|
|
|
// Release all the native objects we created
|
|
for (int i = 0; i < objects.Length; i++)
|
|
Messaging.void_objc_msgSend (objects [i], Selector.GetHandle ("release"));
|
|
|
|
Assert.AreEqual (0, brokenCount, "broken count");
|
|
}
|
|
|
|
[Test]
|
|
public void MX8029 ()
|
|
{
|
|
var handle = Messaging.IntPtr_objc_msgSend (Messaging.IntPtr_objc_msgSend (Class.GetHandle (typeof (Dummy)), Selector.GetHandle ("alloc")), Selector.GetHandle ("init"));
|
|
try {
|
|
try {
|
|
Messaging.void_objc_msgSend_IntPtr (Class.GetHandle (typeof (Dummy)), Selector.GetHandle ("doSomethingElse:"), handle);
|
|
Assert.Fail ("Expected an MX8029 exception (A)");
|
|
} catch (RuntimeException mex) {
|
|
Assert.That (mex.Code, Is.EqualTo (8029).Or.EqualTo (8027), "Exception code (A)");
|
|
var failure = mex.ToString ();
|
|
Assert.That (failure, Does.Contain ("Failed to marshal the Objective-C object"), "Failed to marshal (A)");
|
|
Assert.That (failure, Does.Contain ("Additional information:"), "Additional information: (A)");
|
|
Assert.That (failure, Does.Contain ("Selector: doSomethingElse:"), "Selector (A)");
|
|
Assert.That (failure, Does.Contain ("DoSomethingElse"), "DoSomethingElse (A)");
|
|
}
|
|
|
|
try {
|
|
Messaging.void_objc_msgSend_IntPtr (handle, Selector.GetHandle ("doSomething:"), handle);
|
|
Assert.Fail ("Expected an MX8034 exception (B)");
|
|
} catch (RuntimeException mex) {
|
|
Assert.That (mex.Code, Is.EqualTo (8034).Or.EqualTo (8027), "Exception code (B)");
|
|
var failure = mex.ToString ();
|
|
Assert.That (failure, Does.Contain ("Failed to marshal the Objective-C object"), "Failed to marshal (B)");
|
|
Assert.That (failure, Does.Contain ("Additional information:"), "Additional information: (B)");
|
|
Assert.That (failure, Does.Contain ("Selector: doSomething:"), "Selector (B)");
|
|
Assert.That (failure, Does.Contain ("DoSomething"), "DoSomething (B)");
|
|
}
|
|
} finally {
|
|
Messaging.void_objc_msgSend (handle, Selector.GetHandle ("release"));
|
|
}
|
|
}
|
|
|
|
#if DYNAMIC_REGISTRAR
|
|
[Test]
|
|
public void MX8029_b ()
|
|
{
|
|
try {
|
|
using (var arr = new NSArray ()) {
|
|
Messaging.void_objc_msgSend_IntPtr (Class.GetHandle (typeof (Dummy)), Selector.GetHandle ("setIntArray:"), arr.Handle);
|
|
Assert.Fail ("An exception should have been thrown");
|
|
}
|
|
} catch (RuntimeException re) {
|
|
Assert.AreEqual (8029, re.Code, "Code");
|
|
string expectedExceptionMessage;
|
|
if (TestRuntime.IsCoreCLR) {
|
|
expectedExceptionMessage = @"Unable to marshal the array parameter #1 whose managed type is 'System.Int32[]' to managed.
|
|
Additional information:
|
|
Selector: setIntArray:
|
|
Method: System.Void MonoTouchFixtures.ObjCRuntime.RuntimeTest+Dummy.SetIntArray (System.Int32[])
|
|
";
|
|
} else {
|
|
expectedExceptionMessage = @"Unable to marshal the array parameter #1 whose managed type is 'System.Int32[]' to managed.
|
|
Additional information:
|
|
Selector: setIntArray:
|
|
Method: MonoTouchFixtures.ObjCRuntime.RuntimeTest/Dummy:SetIntArray (int[])
|
|
";
|
|
}
|
|
Assert.AreEqual (expectedExceptionMessage, re.Message, "Message");
|
|
var inner = (RuntimeException)re.InnerException;
|
|
Assert.AreEqual (8031, inner.Code, "Inner Code");
|
|
Assert.AreEqual ("Unable to convert from an NSArray to a managed array of System.Int32.", inner.Message, "Inner Message");
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void MX8033 ()
|
|
{
|
|
try {
|
|
Messaging.IntPtr_objc_msgSend (Class.GetHandle (typeof (Dummy)), Selector.GetHandle ("intArray"));
|
|
Assert.Fail ("An exception should have been thrown");
|
|
} catch (RuntimeException re) {
|
|
Assert.AreEqual (8033, re.Code, "Code");
|
|
string expectedExceptionMessage;
|
|
if (TestRuntime.IsCoreCLR) {
|
|
expectedExceptionMessage = @"Unable to marshal the return value of type 'System.Int32[]' to Objective-C.
|
|
Additional information:
|
|
Selector: intArray
|
|
Method: System.Int32[] MonoTouchFixtures.ObjCRuntime.RuntimeTest+Dummy.GetIntArray ()
|
|
";
|
|
} else {
|
|
expectedExceptionMessage = @"Unable to marshal the return value of type 'System.Int32[]' to Objective-C.
|
|
Additional information:
|
|
Selector: intArray
|
|
Method: MonoTouchFixtures.ObjCRuntime.RuntimeTest/Dummy:GetIntArray ()
|
|
";
|
|
}
|
|
Assert.AreEqual (expectedExceptionMessage, re.Message, "Message");
|
|
var inner = (RuntimeException) re.InnerException;
|
|
Assert.AreEqual (8032, inner.Code, "Inner Code");
|
|
Assert.AreEqual ("Unable to convert from a managed array of System.Int32 to an NSArray.", inner.Message, "Inner Message");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// does not have an IntPtr constructor
|
|
class Dummy : NSObject {
|
|
[Export ("initWithFoo:")]
|
|
public Dummy (int foo)
|
|
{
|
|
// Prevent the default ctor from being exported.
|
|
}
|
|
|
|
[Export ("doSomething:")]
|
|
public void DoSomething (Dummy dummy)
|
|
{
|
|
}
|
|
|
|
[Export ("doSomethingElse:")]
|
|
public static void DoSomethingElse (Dummy dummy)
|
|
{
|
|
}
|
|
|
|
#if DYNAMIC_REGISTRAR
|
|
// This function makes the static registrar show an error, so it's only built when using the dynamic registrar.
|
|
[Export ("intArray")]
|
|
static int[] GetIntArray ()
|
|
{
|
|
return new int [] { };
|
|
}
|
|
// This function makes the static registrar show an error, so it's only built when using the dynamic registrar.
|
|
[Export ("setIntArray:")]
|
|
static void SetIntArray (int[] array)
|
|
{
|
|
Assert.Fail ("This method should never be called.");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
[Test]
|
|
public void GetINativeObject_ForcedType ()
|
|
{
|
|
using (var str = new NSString ("hello world")) {
|
|
NSDate date;
|
|
|
|
Assert.Throws<InvalidCastException> (() => Runtime.GetINativeObject<NSDate> (str.Handle, false), "EX1"); //
|
|
Assert.Throws<InvalidCastException> (() => Runtime.GetINativeObject<NSDate> (str.Handle, false, false), "EX2"); //
|
|
|
|
// Making a string quack like a date.
|
|
// This is a big hack, but hopefully it works well enough for this particular test case.
|
|
// Just don't inspect the date variable in a debugger (it will most likely crash the app).
|
|
date = Runtime.GetINativeObject<NSDate> (str.Handle, true, false);
|
|
Assert.AreEqual (date.Handle, str.Handle, "Same native pointer");
|
|
date.Dispose ();
|
|
date = null;
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void ToggleRef_NonToggledObjectsShouldBeCollected ()
|
|
{
|
|
// This test verifies that toggleable objects that aren't toggled aren't kept alive.
|
|
// We create a number of managed NSFileManager instance, get a native reference to each of them,
|
|
// and then we verify that the managed instance is collected.
|
|
var counter = 100;
|
|
var handles = new GCHandle [counter];
|
|
var pointers = new IntPtr [counter];
|
|
|
|
var t = new Thread (() => {
|
|
for (var i = 0; i < counter; i++) {
|
|
var obj = new NSFileManager ();
|
|
// do not toggle
|
|
obj.DangerousRetain (); // obtain a native reference
|
|
handles [i] = GCHandle.Alloc (obj, GCHandleType.Weak);
|
|
pointers [i] = obj.Handle;
|
|
}
|
|
}) {
|
|
IsBackground = true,
|
|
Name = "ToggleRef_NonToggledObjectsShouldBeCollected",
|
|
};
|
|
t.Start ();
|
|
Assert.IsTrue (t.Join (TimeSpan.FromSeconds (10)), "Background thread completion");
|
|
|
|
var checkForCollectedManagedObjects = new Func<bool> (() => {
|
|
GC.Collect ();
|
|
GC.WaitForPendingFinalizers ();
|
|
for (var i = 0; i < counter; i++) {
|
|
if (handles [i].Target is null)
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
|
|
// Iterate over the runloop in case something has to happen on the main thread for the objects to be collected.
|
|
TestRuntime.RunAsync (TimeSpan.FromSeconds (5), checkForCollectedManagedObjects);
|
|
|
|
Assert.IsTrue (checkForCollectedManagedObjects (), "Any collected objects");
|
|
|
|
for (var i = 0; i < counter; i++) {
|
|
var obj = Runtime.GetNSObject (pointers [i]);
|
|
Assert.IsNotNull (obj, $"Object #{i} couldn't be resurrected");
|
|
obj.DangerousRelease (); // release the native reference
|
|
obj.Dispose ();
|
|
handles [i].Free ();
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void ToggleRef_ToggledObjectsShouldNotBeCollected ()
|
|
{
|
|
// This test verifies that toggleable objects that are toggled are kept alive while the native peer is alive.
|
|
// We create a number of managed NSFileManager instance, get a native reference to each of them,
|
|
// and then we verify that the managed instance won't be collected.
|
|
//
|
|
// NSFileManager instances are toggled when the [Weak]Delegate property is set.
|
|
var del = new NSFileManagerDelegate ();
|
|
var counter = 100;
|
|
var handles = new GCHandle [counter];
|
|
var t = new Thread (() => {
|
|
for (var i = 0; i < counter; i++) {
|
|
var obj = new NSFileManager ();
|
|
obj.Delegate = del; // toggle
|
|
obj.DangerousRetain (); // obtain a native reference
|
|
handles [i] = GCHandle.Alloc (obj, GCHandleType.Weak);
|
|
}
|
|
}) {
|
|
IsBackground = true,
|
|
Name = "ToggleRef_ToggledObjectsShouldNotBeCollected",
|
|
};
|
|
t.Start ();
|
|
Assert.IsTrue (t.Join (TimeSpan.FromSeconds (10)), "Background thread completion");
|
|
|
|
TestRuntime.RunAsync (TimeSpan.FromSeconds (2), () => {
|
|
// Iterate over the runloop a bit to make sure we're just not collecting because objects are queued on for things to happen on the main thread
|
|
GC.Collect ();
|
|
GC.WaitForPendingFinalizers ();
|
|
return false;
|
|
});
|
|
|
|
for (var i = 0; i < counter; i++) {
|
|
var obj = (NSFileManager) handles [i].Target;
|
|
Assert.IsNotNull (obj, $"Object #{i} was unexpectedly collected.");
|
|
obj.DangerousRelease (); // release the native reference
|
|
obj.Dispose ();
|
|
handles [i].Free ();
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void CurrentDirectory ()
|
|
{
|
|
var expectedDirectory = (string) ((NSString) Environment.CurrentDirectory).ResolveSymlinksInPath ();
|
|
|
|
#if NET || !MONOMAC
|
|
var actualDirectory = (string) ((NSString) NSBundle.MainBundle.BundlePath).ResolveSymlinksInPath ();
|
|
#else
|
|
var actualDirectory = (string) ((NSString) NSBundle.MainBundle.ResourcePath).ResolveSymlinksInPath ();
|
|
#endif
|
|
Assert.AreEqual (expectedDirectory, actualDirectory, "Current directory at launch");
|
|
}
|
|
|
|
[Test]
|
|
public void CurrentDomain_BaseDirectory_Test ()
|
|
{
|
|
Assert.That (AppDomain.CurrentDomain.BaseDirectory, Is.Not.Null.And.Not.Empty, "AppDomain.CurrentDomain.BaseDirectory");
|
|
}
|
|
|
|
[Test]
|
|
public void OriginalWorkingDirectoryTest ()
|
|
{
|
|
Assert.That (Runtime.OriginalWorkingDirectory, Is.Not.Null.And.Not.Empty, "OriginalWorkingDirectory");
|
|
}
|
|
|
|
#if NET
|
|
[Test]
|
|
public void IntPtrCtor_1 ()
|
|
{
|
|
using var obj = Runtime.GetNSObject (IntPtrConstructor.New ());
|
|
Assert.IsNotNull (obj, "NotNull");
|
|
Assert.That (obj, Is.TypeOf<IntPtrConstructor> (), "Type");
|
|
Assert.AreNotEqual (IntPtr.Zero, obj.Handle, "Handle");
|
|
}
|
|
|
|
[Test]
|
|
public void IntPtrCtor_2 ()
|
|
{
|
|
using var obj = Runtime.GetNSObject<IntPtrConstructor> (IntPtrConstructor.New ());
|
|
Assert.IsNotNull (obj, "NotNull");
|
|
Assert.That (obj, Is.TypeOf<IntPtrConstructor> (), "Type");
|
|
Assert.AreNotEqual (IntPtr.Zero, obj.Handle, "Handle");
|
|
}
|
|
|
|
[Test]
|
|
public void IntPtrCtor_3 ()
|
|
{
|
|
using var obj = Runtime.GetINativeObject<IntPtrConstructor> (IntPtrConstructor.New (), false);
|
|
Assert.IsNotNull (obj, "NotNull");
|
|
Assert.That (obj, Is.TypeOf<IntPtrConstructor> (), "Type");
|
|
Assert.AreNotEqual (IntPtr.Zero, obj.Handle, "Handle");
|
|
}
|
|
|
|
class IntPtrConstructor : NSObject {
|
|
IntPtrConstructor (IntPtr handle) : base (handle) { }
|
|
|
|
internal static IntPtr New ()
|
|
{
|
|
var class_handle = Class.GetHandle (typeof (IntPtrConstructor));
|
|
var handle = Messaging.IntPtr_objc_msgSend (Messaging.IntPtr_objc_msgSend (class_handle, Selector.GetHandle ("alloc")), Selector.GetHandle ("init"));
|
|
Messaging.void_objc_msgSend (handle, Selector.GetHandle ("autorelease"));
|
|
return handle;
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void IntPtrBoolCtor_1 ()
|
|
{
|
|
using var obj = Runtime.GetINativeObject<IntPtrBoolConstructor> ((IntPtr) 1234, false);
|
|
Assert.IsNotNull (obj, "NotNull");
|
|
Assert.That (obj, Is.TypeOf<IntPtrBoolConstructor> (), "Type");
|
|
Assert.AreNotEqual (IntPtr.Zero, obj.Handle, "Handle");
|
|
}
|
|
|
|
class IntPtrBoolConstructor : DisposableObject {
|
|
IntPtrBoolConstructor (IntPtr handle, bool owns)
|
|
: base (handle, owns)
|
|
{
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
[TestFixture]
|
|
[Preserve (AllMembers = true)]
|
|
public class RuntimeTest_GetINativeObjectTest {
|
|
|
|
[Test]
|
|
public void GetINativeObjectTest_NSObject_Owns ()
|
|
{
|
|
var handle = CreateNativeNSObject ();
|
|
Assert.AreEqual (1, GetRetainCount (handle), "A 1");
|
|
using var obj = Runtime.GetINativeObject<NSObject> (handle, false, true);
|
|
Assert.AreEqual (1, GetRetainCount (handle), "A 2");
|
|
obj.DangerousRetain ();
|
|
Assert.AreEqual (2, GetRetainCount (handle), "A 3");
|
|
using var obj2 = Runtime.GetINativeObject<NSObject> (handle, false, true);
|
|
Assert.AreEqual (1, GetRetainCount (handle), "A 4");
|
|
using var obj3 = Runtime.GetINativeObject<NSObject> (handle, false, false);
|
|
Assert.AreEqual (1, GetRetainCount (handle), "A 5");
|
|
Assert.AreSame (obj, obj2, "A 6");
|
|
Assert.AreSame (obj, obj3, "A 7");
|
|
}
|
|
|
|
[Test]
|
|
public void GetINativeObjectTest_NSObject_Unowned ()
|
|
{
|
|
var handle = CreateNativeNSObject ();
|
|
Assert.AreEqual (1, GetRetainCount (handle), "A 1");
|
|
using var obj = Runtime.GetINativeObject<NSObject> (handle, false, false);
|
|
Assert.AreEqual (2, GetRetainCount (handle), "A 2");
|
|
obj.DangerousRelease ();
|
|
Assert.AreEqual (1, GetRetainCount (handle), "A 3");
|
|
obj.DangerousRetain ();
|
|
Assert.AreEqual (2, GetRetainCount (handle), "A 4");
|
|
using var obj2 = Runtime.GetINativeObject<NSObject> (handle, false, true);
|
|
Assert.AreEqual (1, GetRetainCount (handle), "A 5");
|
|
using var obj3 = Runtime.GetINativeObject<NSObject> (handle, false, false);
|
|
Assert.AreEqual (1, GetRetainCount (handle), "A 6");
|
|
Assert.AreSame (obj, obj2, "A 7");
|
|
Assert.AreSame (obj, obj3, "A 8");
|
|
}
|
|
|
|
[Test]
|
|
public void GetINativeObjectTest_INativeObject_Owns ()
|
|
{
|
|
var handle = CreateNativeBitmapContext ();
|
|
Assert.AreEqual (1, CFGetRetainCount (handle), "A 1");
|
|
using var obj = Runtime.GetINativeObject<CGBitmapContext> (handle, false, true);
|
|
Assert.AreEqual (1, CFGetRetainCount (handle), "A 2");
|
|
CGContextRetain (obj.Handle);
|
|
Assert.AreEqual (2, CFGetRetainCount (handle), "A 3");
|
|
using var obj2 = Runtime.GetINativeObject<CGBitmapContext> (handle, false, true); // does not decrease refcount because we return a new instance
|
|
Assert.AreEqual (2, CFGetRetainCount (handle), "A 4");
|
|
using var obj3 = Runtime.GetINativeObject<CGBitmapContext> (handle, false, false);
|
|
Assert.AreEqual (3, CFGetRetainCount (handle), "A 5");
|
|
Assert.AreNotSame (obj, obj2, "A 6");
|
|
Assert.AreNotSame (obj, obj3, "A 7");
|
|
obj3.Dispose ();
|
|
Assert.AreEqual (2, CFGetRetainCount (handle), "A 8");
|
|
obj2.Dispose ();
|
|
Assert.AreEqual (1, CFGetRetainCount (handle), "A 9");
|
|
}
|
|
|
|
[Test]
|
|
public void GetINativeObjectTest_INativeObject_Unowned ()
|
|
{
|
|
var handle = CreateNativeBitmapContext ();
|
|
Assert.AreEqual (1, CFGetRetainCount (handle), "A 1");
|
|
using var obj = Runtime.GetINativeObject<CGBitmapContext> (handle, false, false);
|
|
Assert.AreEqual (2, CFGetRetainCount (handle), "A 2");
|
|
CGContextRelease (obj.Handle);
|
|
Assert.AreEqual (1, CFGetRetainCount (handle), "A 3");
|
|
CGContextRetain (obj.Handle);
|
|
Assert.AreEqual (2, CFGetRetainCount (handle), "A 4");
|
|
using var obj2 = Runtime.GetINativeObject<CGBitmapContext> (handle, false, true); // does not decrease refcount because we return a new instance
|
|
Assert.AreEqual (2, CFGetRetainCount (handle), "A 5");
|
|
using var obj3 = Runtime.GetINativeObject<CGBitmapContext> (handle, false, false);
|
|
Assert.AreEqual (3, CFGetRetainCount (handle), "A 6");
|
|
Assert.AreNotSame (obj, obj2, "A 7");
|
|
Assert.AreNotSame (obj, obj3, "A 8");
|
|
obj3.Dispose ();
|
|
Assert.AreEqual (2, CFGetRetainCount (handle), "A 9");
|
|
obj2.Dispose ();
|
|
Assert.AreEqual (1, CFGetRetainCount (handle), "A 10");
|
|
}
|
|
|
|
static IntPtr CreateNativeNSObject ()
|
|
{
|
|
var handle = Messaging.IntPtr_objc_msgSend (Class.GetHandle (typeof (NSObject)), Selector.GetHandle ("alloc"));
|
|
return Messaging.IntPtr_objc_msgSend (handle, Selector.GetHandle ("init"));
|
|
}
|
|
|
|
static IntPtr CreateNativeBitmapContext ()
|
|
{
|
|
using var cs = CGColorSpace.CreateDeviceRGB ();
|
|
var handle = CGBitmapContextCreate (IntPtr.Zero, 10, 10, 8, 40, cs.Handle, /* PremultipliedLast */ 1);
|
|
if (handle == IntPtr.Zero)
|
|
throw new InvalidOperationException ($"Unable to create CGBitmapContext.");
|
|
return handle;
|
|
}
|
|
|
|
static long GetRetainCount (IntPtr handle)
|
|
{
|
|
if (handle == IntPtr.Zero)
|
|
return -1;
|
|
return (long) Messaging.IntPtr_objc_msgSend (handle, Selector.GetHandle ("retainCount"));
|
|
}
|
|
|
|
static long CFGetRetainCount (IntPtr handle)
|
|
{
|
|
if (handle == IntPtr.Zero)
|
|
return -1;
|
|
return (long) global::MonoTouchFixtures.CoreFoundation.ArrayTest.CFGetRetainCount (handle);
|
|
}
|
|
|
|
[DllImport (Constants.CoreGraphicsLibrary)]
|
|
extern static void CGContextRelease (/* CGImageRef */ IntPtr image);
|
|
|
|
[DllImport (Constants.CoreGraphicsLibrary)]
|
|
extern static /* CGImageRef */ IntPtr CGContextRetain (/* CGImageRef */ IntPtr image);
|
|
|
|
[DllImport (Constants.CoreGraphicsLibrary)]
|
|
extern static IntPtr CGBitmapContextCreate (/* void* */ IntPtr data, /* size_t */ nint width, /* size_t */ nint height, /* size_t */ nint bitsPerComponent,
|
|
/* size_t */ nint bytesPerRow, /* CGColorSpaceRef */ IntPtr colorSpace, /* CGBitmapInfo = uint32_t */ uint bitmapInfo);
|
|
|
|
}
|
|
}
|