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| 1 | +#nullable enable |
| 2 | + |
| 3 | +using System; |
| 4 | +using System.Collections.Generic; |
| 5 | +using System.Linq; |
| 6 | +using System.Reflection; |
| 7 | +using System.Threading; |
| 8 | + |
| 9 | +using Java.Interop; |
| 10 | + |
| 11 | +using NUnit.Framework; |
| 12 | + |
| 13 | +namespace Java.InteropTests { |
| 14 | + |
| 15 | + // Android doesn't support `[NonParallelizable]`, but runs tests sequentially by default. |
| 16 | +#if !__ANDROID__ |
| 17 | + // Modifies JniRuntime.valueManager instance field; can't be done in parallel |
| 18 | + [NonParallelizable] |
| 19 | +#endif // !__ANDROID__ |
| 20 | + public abstract class JniRuntimeJniValueManagerContract : JavaVMFixture { |
| 21 | + |
| 22 | + protected abstract Type ValueManagerType { |
| 23 | + get; |
| 24 | + } |
| 25 | + |
| 26 | + protected virtual JniRuntime.JniValueManager CreateValueManager () |
| 27 | + { |
| 28 | + var manager = Activator.CreateInstance (ValueManagerType) as JniRuntime.JniValueManager; |
| 29 | + return manager ?? throw new InvalidOperationException ($"Could not create instance of `{ValueManagerType}`!"); |
| 30 | + } |
| 31 | + |
| 32 | +#pragma warning disable CS8618 |
| 33 | + JniRuntime.JniValueManager systemManager; |
| 34 | + JniRuntime.JniValueManager valueManager; |
| 35 | +#pragma warning restore CS8618 |
| 36 | + |
| 37 | + [SetUp] |
| 38 | + public void CreateVM () |
| 39 | + { |
| 40 | + systemManager = JniRuntime.CurrentRuntime.valueManager!; |
| 41 | + valueManager = CreateValueManager (); |
| 42 | + valueManager.OnSetRuntime (JniRuntime.CurrentRuntime); |
| 43 | + JniRuntime.CurrentRuntime.valueManager = valueManager; |
| 44 | + } |
| 45 | + |
| 46 | + [TearDown] |
| 47 | + public void DestroyVM () |
| 48 | + { |
| 49 | + JniRuntime.CurrentRuntime.valueManager = systemManager; |
| 50 | + systemManager = null!; |
| 51 | + valueManager?.Dispose (); |
| 52 | + valueManager = null!; |
| 53 | + } |
| 54 | + |
| 55 | + [Test] |
| 56 | + public void AddPeer () |
| 57 | + { |
| 58 | + } |
| 59 | + |
| 60 | + int GetSurfacedPeersCount () |
| 61 | + { |
| 62 | + return valueManager.GetSurfacedPeers ().Count; |
| 63 | + } |
| 64 | + |
| 65 | + [Test] |
| 66 | + public void AddPeer_NoDuplicates () |
| 67 | + { |
| 68 | + int startPeerCount = GetSurfacedPeersCount (); |
| 69 | + using (var v = new MyDisposableObject ()) { |
| 70 | + // MyDisposableObject ctor implicitly calls AddPeer(); |
| 71 | + Assert.AreEqual (startPeerCount + 1, GetSurfacedPeersCount (), DumpPeers ()); |
| 72 | + valueManager.AddPeer (v); |
| 73 | + Assert.AreEqual (startPeerCount + 1, GetSurfacedPeersCount (), DumpPeers ()); |
| 74 | + } |
| 75 | + } |
| 76 | + |
| 77 | + [Test] |
| 78 | + public void ConstructPeer_ImplicitViaBindingConstructor_PeerIsInSurfacedPeers () |
| 79 | + { |
| 80 | + int startPeerCount = GetSurfacedPeersCount (); |
| 81 | + |
| 82 | + var g = new GetThis (); |
| 83 | + var surfaced = valueManager.GetSurfacedPeers (); |
| 84 | + Assert.AreEqual (startPeerCount + 1, surfaced.Count); |
| 85 | + |
| 86 | + var found = false; |
| 87 | + foreach (var pr in surfaced) { |
| 88 | + if (!pr.SurfacedPeer.TryGetTarget (out var p)) |
| 89 | + continue; |
| 90 | + if (object.ReferenceEquals (g, p)) { |
| 91 | + found = true; |
| 92 | + } |
| 93 | + } |
| 94 | + Assert.IsTrue (found); |
| 95 | + |
| 96 | + var localRef = g.PeerReference.NewLocalRef (); |
| 97 | + g.Dispose (); |
| 98 | + Assert.AreEqual (startPeerCount, GetSurfacedPeersCount ()); |
| 99 | + Assert.IsNull (valueManager.PeekPeer (localRef)); |
| 100 | + JniObjectReference.Dispose (ref localRef); |
| 101 | + } |
| 102 | + |
| 103 | + [Test] |
| 104 | + public void ConstructPeer_ImplicitViaBindingMethod_PeerIsInSurfacedPeers () |
| 105 | + { |
| 106 | + int startPeerCount = GetSurfacedPeersCount (); |
| 107 | + |
| 108 | + var g = new GetThis (); |
| 109 | + var surfaced = valueManager.GetSurfacedPeers (); |
| 110 | + Assert.AreEqual (startPeerCount + 1, surfaced.Count); |
| 111 | + |
| 112 | + var found = false; |
| 113 | + foreach (var pr in surfaced) { |
| 114 | + if (!pr.SurfacedPeer.TryGetTarget (out var p)) |
| 115 | + continue; |
| 116 | + if (object.ReferenceEquals (g, p)) { |
| 117 | + found = true; |
| 118 | + } |
| 119 | + } |
| 120 | + Assert.IsTrue (found); |
| 121 | + |
| 122 | + var localRef = g.PeerReference.NewLocalRef (); |
| 123 | + g.Dispose (); |
| 124 | + Assert.AreEqual (startPeerCount, GetSurfacedPeersCount ()); |
| 125 | + Assert.IsNull (valueManager.PeekPeer (localRef)); |
| 126 | + JniObjectReference.Dispose (ref localRef); |
| 127 | + } |
| 128 | + |
| 129 | + |
| 130 | + [Test] |
| 131 | + public void CollectPeers () |
| 132 | + { |
| 133 | + // TODO |
| 134 | + } |
| 135 | + |
| 136 | + [Test] |
| 137 | + public void CreateValue () |
| 138 | + { |
| 139 | + using (var o = new JavaObject ()) { |
| 140 | + var r = o.PeerReference; |
| 141 | + var x = (IJavaPeerable) valueManager.CreateValue (ref r, JniObjectReferenceOptions.Copy)!; |
| 142 | + Assert.AreNotSame (o, x); |
| 143 | + x.Dispose (); |
| 144 | + |
| 145 | + x = valueManager.CreateValue<IJavaPeerable> (ref r, JniObjectReferenceOptions.Copy); |
| 146 | + Assert.AreNotSame (o, x); |
| 147 | + x!.Dispose (); |
| 148 | + } |
| 149 | + } |
| 150 | + |
| 151 | + [Test] |
| 152 | + public void GetValue_ReturnsAlias () |
| 153 | + { |
| 154 | + var local = new JavaObject (); |
| 155 | + local.UnregisterFromRuntime (); |
| 156 | + Assert.IsNull (valueManager.PeekValue (local.PeerReference)); |
| 157 | + // GetObject must always return a value (unless handle is null, etc.). |
| 158 | + // However, since we called local.UnregisterFromRuntime(), |
| 159 | + // JniRuntime.PeekObject() is null (asserted above), but GetObject() must |
| 160 | + // **still** return _something_. |
| 161 | + // In this case, it returns an _alias_. |
| 162 | + // TODO: "most derived type" alias generation. (Not relevant here, but...) |
| 163 | + var p = local.PeerReference; |
| 164 | + var alias = JniRuntime.CurrentRuntime.ValueManager.GetValue<IJavaPeerable> (ref p, JniObjectReferenceOptions.Copy); |
| 165 | + Assert.AreNotSame (local, alias); |
| 166 | + alias!.Dispose (); |
| 167 | + local.Dispose (); |
| 168 | + } |
| 169 | + |
| 170 | + [Test] |
| 171 | + public void GetValue_ReturnsNullWithNullHandle () |
| 172 | + { |
| 173 | + var r = new JniObjectReference (); |
| 174 | + var o = valueManager.GetValue (ref r, JniObjectReferenceOptions.Copy); |
| 175 | + Assert.IsNull (o); |
| 176 | + } |
| 177 | + |
| 178 | + [Test] |
| 179 | + public void GetValue_ReturnsNullWithInvalidSafeHandle () |
| 180 | + { |
| 181 | + var invalid = new JniObjectReference (); |
| 182 | + Assert.IsNull (valueManager.GetValue (ref invalid, JniObjectReferenceOptions.CopyAndDispose)); |
| 183 | + } |
| 184 | + |
| 185 | + [Test] |
| 186 | + public unsafe void GetValue_FindBestMatchType () |
| 187 | + { |
| 188 | +#if !NO_MARSHAL_MEMBER_BUILDER_SUPPORT |
| 189 | + using (var t = new JniType (TestType.JniTypeName)) { |
| 190 | + var c = t.GetConstructor ("()V"); |
| 191 | + var o = t.NewObject (c, null); |
| 192 | + using (var w = valueManager.GetValue<IJavaPeerable> (ref o, JniObjectReferenceOptions.CopyAndDispose)) { |
| 193 | + Assert.AreEqual (typeof (TestType), w!.GetType ()); |
| 194 | + Assert.IsTrue (((TestType) w).ExecutedActivationConstructor); |
| 195 | + } |
| 196 | + } |
| 197 | +#endif // !NO_MARSHAL_MEMBER_BUILDER_SUPPORT |
| 198 | + } |
| 199 | + |
| 200 | + [Test] |
| 201 | + public void PeekPeer () |
| 202 | + { |
| 203 | + Assert.IsNull (valueManager.PeekPeer (new JniObjectReference ())); |
| 204 | + |
| 205 | + using (var v = new MyDisposableObject ()) { |
| 206 | + Assert.IsNotNull (valueManager.PeekPeer (v.PeerReference)); |
| 207 | + Assert.AreSame (v, valueManager.PeekPeer (v.PeerReference)); |
| 208 | + } |
| 209 | + } |
| 210 | + |
| 211 | + [Test] |
| 212 | + public void PeekValue () |
| 213 | + { |
| 214 | + JniObjectReference lref; |
| 215 | + using (var o = new JavaObject ()) { |
| 216 | + lref = o.PeerReference.NewLocalRef (); |
| 217 | + Assert.AreSame (o, valueManager.PeekValue (lref)); |
| 218 | + } |
| 219 | + // At this point, the Java-side object is kept alive by `lref`, |
| 220 | + // but the wrapper instance has been disposed, and thus should |
| 221 | + // be unregistered, and thus unfindable. |
| 222 | + Assert.IsNull (valueManager.PeekValue (lref)); |
| 223 | + JniObjectReference.Dispose (ref lref); |
| 224 | + } |
| 225 | + |
| 226 | + [Test] |
| 227 | + public void PeekValue_BoxedObjects () |
| 228 | + { |
| 229 | + var marshaler = valueManager.GetValueMarshaler<object> (); |
| 230 | + var ad = AppDomain.CurrentDomain; |
| 231 | + |
| 232 | + var proxy = marshaler.CreateGenericArgumentState (ad); |
| 233 | + Assert.AreSame (ad, valueManager.PeekValue (proxy.ReferenceValue)); |
| 234 | + marshaler.DestroyGenericArgumentState (ad, ref proxy); |
| 235 | + |
| 236 | + var ex = new InvalidOperationException ("boo!"); |
| 237 | + proxy = marshaler.CreateGenericArgumentState (ex); |
| 238 | + Assert.AreSame (ex, valueManager.PeekValue (proxy.ReferenceValue)); |
| 239 | + marshaler.DestroyGenericArgumentState (ex, ref proxy); |
| 240 | + } |
| 241 | + |
| 242 | + void AllNestedRegistrationScopeTests () |
| 243 | + { |
| 244 | + AddPeer (); |
| 245 | + AddPeer_NoDuplicates (); |
| 246 | + ConstructPeer_ImplicitViaBindingConstructor_PeerIsInSurfacedPeers (); |
| 247 | + CreateValue (); |
| 248 | + GetValue_FindBestMatchType (); |
| 249 | + GetValue_ReturnsAlias (); |
| 250 | + GetValue_ReturnsNullWithInvalidSafeHandle (); |
| 251 | + GetValue_ReturnsNullWithNullHandle (); |
| 252 | + PeekPeer (); |
| 253 | + PeekValue (); |
| 254 | + PeekValue_BoxedObjects (); |
| 255 | + } |
| 256 | + |
| 257 | + string DumpPeers () |
| 258 | + { |
| 259 | + return DumpPeers (valueManager.GetSurfacedPeers ()); |
| 260 | + } |
| 261 | + |
| 262 | + static string DumpPeers (IEnumerable<JniSurfacedPeerInfo> peers) |
| 263 | + { |
| 264 | + return string.Join ("," + Environment.NewLine, peers); |
| 265 | + } |
| 266 | + |
| 267 | + |
| 268 | + // also test: |
| 269 | + // Singleton scenario |
| 270 | + // Types w/o "activation" constructors -- need to support checking parent scopes |
| 271 | + // nesting of scopes |
| 272 | + // Adding an instance already added in a previous scope? |
| 273 | + } |
| 274 | + |
| 275 | + public abstract class JniRuntimeJniValueManagerContract<T> : JniRuntimeJniValueManagerContract { |
| 276 | + |
| 277 | + protected override Type ValueManagerType => typeof (T); |
| 278 | + } |
| 279 | + |
| 280 | +#if !__ANDROID__ |
| 281 | +#if !NETCOREAPP |
| 282 | + [TestFixture] |
| 283 | + public class JniRuntimeJniValueManagerContract_Mono : JniRuntimeJniValueManagerContract { |
| 284 | + static Type MonoRuntimeValueManagerType = Type.GetType ("Java.Interop.MonoRuntimeValueManager, Java.Runtime.Environment", throwOnError:true)!; |
| 285 | + |
| 286 | + protected override Type ValueManagerType => MonoRuntimeValueManagerType; |
| 287 | + } |
| 288 | +#endif // !NETCOREAPP |
| 289 | + |
| 290 | + [TestFixture] |
| 291 | + public class JniRuntimeJniValueManagerContract_NoGCIntegration : JniRuntimeJniValueManagerContract { |
| 292 | + static Type ManagedValueManagerType = Type.GetType ("Java.Interop.ManagedValueManager, Java.Runtime.Environment", throwOnError:true)!; |
| 293 | + |
| 294 | + protected override Type ValueManagerType => ManagedValueManagerType; |
| 295 | + } |
| 296 | +#endif // !__ANDROID__ |
| 297 | +} |
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