mcs/class/System.ServiceModel.Web/Test/System.Runtime.Serialization.Json/DataContractJsonSerializerTest.cs

   1 //
   2 // DataContractJsonSerializerTest.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //      Ankit Jain <JAnkit@novell.com>
   7 //
   8 // Copyright (C) 2005-2007 Novell, Inc.  http://www.novell.com
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 //
  32 // This test code contains tests for DataContractJsonSerializer, which is
  33 // imported from DataContractSerializerTest.cs.
  34 //
  35
  36 using System;
  37 using System.Collections;
  38 using System.Collections.Generic;
  39 using System.Collections.ObjectModel;
  40 using System.IO;
  41 using System.Net;
  42 using System.Runtime.Serialization;
  43 using System.Runtime.Serialization.Json;
  44 using System.Text;
  45 using System.Xml;
  46 using NUnit.Framework;
  47
  48 namespace MonoTests.System.Runtime.Serialization.Json
  49 {
  50         [TestFixture]
  51         public class DataContractJsonSerializerTest
  52         {
  53                 static readonly XmlWriterSettings settings;
  54
  55                 static DataContractJsonSerializerTest ()
  56                 {
  57                         settings = new XmlWriterSettings ();
  58                         settings.OmitXmlDeclaration = true;
  59                 }
  60
  61                 [DataContract]
  62                 class Sample1
  63                 {
  64                         [DataMember]
  65                         public string Member1;
  66                 }
  67
  68                 [Test]
  69                 [ExpectedException (typeof (ArgumentNullException))]
  70                 public void ConstructorTypeNull ()
  71                 {
  72                         new DataContractJsonSerializer (null);
  73                 }
  74
  75                 [Test]
  76                 public void ConstructorKnownTypesNull ()
  77                 {
  78                         // null knownTypes is allowed.
  79                         new DataContractJsonSerializer (typeof (Sample1), (IEnumerable<Type>) null);
  80                         new DataContractJsonSerializer (typeof (Sample1), "Foo", null);
  81                 }
  82
  83                 [Test]
  84                 [ExpectedException (typeof (ArgumentNullException))]
  85                 public void ConstructorNameNull ()
  86                 {
  87                         new DataContractJsonSerializer (typeof (Sample1), (string) null);
  88                 }
  89
  90                 [Test]
  91                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  92                 public void ConstructorNegativeMaxObjects ()
  93                 {
  94                         new DataContractJsonSerializer (typeof (Sample1), "Sample1",
  95                                 null, -1, false, null, false);
  96                 }
  97
  98                 [Test]
  99                 public void ConstructorMisc ()
 100                 {
 101                         new DataContractJsonSerializer (typeof (GlobalSample1)).WriteObject (new MemoryStream (), new GlobalSample1 ());
 102                 }
 103
 104                 [Test]
 105                 public void WriteObjectContent ()
 106                 {
 107                         StringWriter sw = new StringWriter ();
 108                         using (XmlWriter xw = XmlWriter.Create (sw, settings)) {
 109                                 DataContractJsonSerializer ser =
 110                                         new DataContractJsonSerializer (typeof (string));
 111                                 xw.WriteStartElement ("my-element");
 112                                 ser.WriteObjectContent (xw, "TEST STRING");
 113                                 xw.WriteEndElement ();
 114                         }
 115                         Assert.AreEqual ("<my-element>TEST STRING</my-element>",
 116                                 sw.ToString ());
 117                 }
 118
 119                 // int
 120
 121                 [Test]
 122                 public void SerializeIntXml ()
 123                 {
 124                         StringWriter sw = new StringWriter ();
 125                         SerializeInt (XmlWriter.Create (sw, settings));
 126                         Assert.AreEqual (
 127                                 @"<root type=""number"">1</root>",
 128                                 sw.ToString ());
 129                 }
 130
 131                 [Test]
 132                 public void SerializeIntJson ()
 133                 {
 134                         MemoryStream ms = new MemoryStream ();
 135                         SerializeInt (JsonReaderWriterFactory.CreateJsonWriter (ms));
 136                         Assert.AreEqual (
 137                                 "1",
 138                                 Encoding.UTF8.GetString (ms.ToArray ()));
 139                 }
 140
 141                 void SerializeInt (XmlWriter writer)
 142                 {
 143                         DataContractJsonSerializer ser =
 144                                 new DataContractJsonSerializer (typeof (int));
 145                         using (XmlWriter w = writer) {
 146                                 ser.WriteObject (w, 1);
 147                         }
 148                 }
 149
 150                 // int, with rootName
 151
 152                 [Test]
 153                 public void SerializeIntXmlWithRootName ()
 154                 {
 155                         StringWriter sw = new StringWriter ();
 156                         SerializeIntWithRootName (XmlWriter.Create (sw, settings));
 157                         Assert.AreEqual (
 158                                 @"<myroot type=""number"">1</myroot>",
 159                                 sw.ToString ());
 160                 }
 161
 162                 [Test]
 163                 // since JsonWriter supports only "root" as the root name, using
 164                 // XmlWriter from JsonReaderWriterFactory will always fail with
 165                 // an explicit rootName.
 166                 [ExpectedException (typeof (SerializationException))]
 167                 public void SerializeIntJsonWithRootName ()
 168                 {
 169                         MemoryStream ms = new MemoryStream ();
 170                         SerializeIntWithRootName (JsonReaderWriterFactory.CreateJsonWriter (ms));
 171                         Assert.AreEqual (
 172                                 "1",
 173                                 Encoding.UTF8.GetString (ms.ToArray ()));
 174                 }
 175
 176                 void SerializeIntWithRootName (XmlWriter writer)
 177                 {
 178                         DataContractJsonSerializer ser =
 179                                 new DataContractJsonSerializer (typeof (int), "myroot");
 180                         using (XmlWriter w = writer) {
 181                                 ser.WriteObject (w, 1);
 182                         }
 183                 }
 184
 185                 // pass typeof(DCEmpty), serialize int
 186
 187                 [Test]
 188                 public void SerializeIntForDCEmptyXml ()
 189                 {
 190                         StringWriter sw = new StringWriter ();
 191                         SerializeIntForDCEmpty (XmlWriter.Create (sw, settings));
 192                         Assert.AreEqual (
 193                                 @"<root type=""number"">1</root>",
 194                                 sw.ToString ());
 195                 }
 196
 197                 [Test]
 198                 public void SerializeIntForDCEmptyJson ()
 199                 {
 200                         MemoryStream ms = new MemoryStream ();
 201                         SerializeIntForDCEmpty (JsonReaderWriterFactory.CreateJsonWriter (ms));
 202                         Assert.AreEqual (
 203                                 "1",
 204                                 Encoding.UTF8.GetString (ms.ToArray ()));
 205                 }
 206
 207                 void SerializeIntForDCEmpty (XmlWriter writer)
 208                 {
 209                         DataContractJsonSerializer ser =
 210                                 new DataContractJsonSerializer (typeof (DCEmpty));
 211                         using (XmlWriter w = writer) {
 212                                 ser.WriteObject (w, 1);
 213                         }
 214                 }
 215
 216                 // DCEmpty
 217
 218                 [Test]
 219                 public void SerializeEmptyClassXml ()
 220                 {
 221                         StringWriter sw = new StringWriter ();
 222                         SerializeEmptyClass (XmlWriter.Create (sw, settings));
 223                         Assert.AreEqual (
 224                                 @"<root type=""object"" />",
 225                                 sw.ToString ());
 226                 }
 227
 228                 [Test]
 229                 public void SerializeEmptyClassJson ()
 230                 {
 231                         MemoryStream ms = new MemoryStream ();
 232                         SerializeEmptyClass (JsonReaderWriterFactory.CreateJsonWriter (ms));
 233                         Assert.AreEqual (
 234                                 "{}",
 235                                 Encoding.UTF8.GetString (ms.ToArray ()));
 236                 }
 237
 238                 void SerializeEmptyClass (XmlWriter writer)
 239                 {
 240                         DataContractJsonSerializer ser =
 241                                 new DataContractJsonSerializer (typeof (DCEmpty));
 242                         using (XmlWriter w = writer) {
 243                                 ser.WriteObject (w, new DCEmpty ());
 244                         }
 245                 }
 246
 247                 // string (primitive)
 248
 249                 [Test]
 250                 public void SerializePrimitiveStringXml ()
 251                 {
 252                         StringWriter sw = new StringWriter ();
 253                         SerializePrimitiveString (XmlWriter.Create (sw, settings));
 254                         Assert.AreEqual (
 255                                 "<root>TEST</root>",
 256                                 sw.ToString ());
 257                 }
 258
 259                 [Test]
 260                 public void SerializePrimitiveStringJson ()
 261                 {
 262                         MemoryStream ms = new MemoryStream ();
 263                         SerializePrimitiveString (JsonReaderWriterFactory.CreateJsonWriter (ms));
 264                         Assert.AreEqual (
 265                                 @"""TEST""",
 266                                 Encoding.UTF8.GetString (ms.ToArray ()));
 267                 }
 268
 269                 void SerializePrimitiveString (XmlWriter writer)
 270                 {
 271                         XmlObjectSerializer ser =
 272                                 new DataContractJsonSerializer (typeof (string));
 273                         using (XmlWriter w = writer) {
 274                                 ser.WriteObject (w, "TEST");
 275                         }
 276                 }
 277
 278                 // QName (primitive but ...)
 279
 280                 [Test]
 281                 public void SerializePrimitiveQNameXml ()
 282                 {
 283                         StringWriter sw = new StringWriter ();
 284                         SerializePrimitiveQName (XmlWriter.Create (sw, settings));
 285                         Assert.AreEqual (
 286                                 "<root>foo:urn:foo</root>",
 287                                 sw.ToString ());
 288                 }
 289
 290                 [Test]
 291                 public void SerializePrimitiveQNameJson ()
 292                 {
 293                         MemoryStream ms = new MemoryStream ();
 294                         SerializePrimitiveQName (JsonReaderWriterFactory.CreateJsonWriter (ms));
 295                         Assert.AreEqual (
 296                                 @"""foo:urn:foo""",
 297                                 Encoding.UTF8.GetString (ms.ToArray ()));
 298                 }
 299
 300                 void SerializePrimitiveQName (XmlWriter writer)
 301                 {
 302                         XmlObjectSerializer ser =
 303                                 new DataContractJsonSerializer (typeof (XmlQualifiedName));
 304                         using (XmlWriter w = writer) {
 305                                 ser.WriteObject (w, new XmlQualifiedName ("foo", "urn:foo"));
 306                         }
 307                 }
 308
 309                 // DBNull (primitive)
 310
 311                 [Test]
 312                 public void SerializeDBNullXml ()
 313                 {
 314                         StringWriter sw = new StringWriter ();
 315                         SerializeDBNull (XmlWriter.Create (sw, settings));
 316                         Assert.AreEqual (
 317                                 @"<root type=""object"" />",
 318                                 sw.ToString ());
 319                 }
 320
 321                 [Test]
 322                 public void SerializeDBNullJson ()
 323                 {
 324                         MemoryStream ms = new MemoryStream ();
 325                         SerializeDBNull (JsonReaderWriterFactory.CreateJsonWriter (ms));
 326                         Assert.AreEqual (
 327                                 "{}",
 328                                 Encoding.UTF8.GetString (ms.ToArray ()));
 329                 }
 330
 331                 void SerializeDBNull (XmlWriter writer)
 332                 {
 333                         DataContractJsonSerializer ser =
 334                                 new DataContractJsonSerializer (typeof (DBNull));
 335                         using (XmlWriter w = writer) {
 336                                 ser.WriteObject (w, DBNull.Value);
 337                         }
 338                 }
 339
 340                 // DCSimple1
 341
 342                 [Test]
 343                 public void SerializeSimpleClass1Xml ()
 344                 {
 345                         StringWriter sw = new StringWriter ();
 346                         SerializeSimpleClass1 (XmlWriter.Create (sw, settings));
 347                         Assert.AreEqual (
 348                                 @"<root type=""object""><Foo>TEST</Foo></root>",
 349                                 sw.ToString ());
 350                 }
 351
 352                 [Test]
 353                 public void SerializeSimpleClass1Json ()
 354                 {
 355                         MemoryStream ms = new MemoryStream ();
 356                         SerializeSimpleClass1 (JsonReaderWriterFactory.CreateJsonWriter (ms));
 357                         Assert.AreEqual (
 358                                 @"{""Foo"":""TEST""}",
 359                                 Encoding.UTF8.GetString (ms.ToArray ()));
 360                 }
 361
 362                 void SerializeSimpleClass1 (XmlWriter writer)
 363                 {
 364                         DataContractJsonSerializer ser =
 365                                 new DataContractJsonSerializer (typeof (DCSimple1));
 366                         using (XmlWriter w = writer) {
 367                                 ser.WriteObject (w, new DCSimple1 ());
 368                         }
 369                 }
 370
 371                 // NonDC
 372
 373                 [Test]
 374                 // NonDC is not a DataContract type.
 375                 public void SerializeNonDCOnlyCtor ()
 376                 {
 377                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (NonDC));
 378                 }
 379
 380                 [Test]
 381                 //[ExpectedException (typeof (InvalidDataContractException))]
 382                 // NonDC is not a DataContract type.
 383                 // UPDATE: non-DataContract types are became valid in RTM.
 384                 public void SerializeNonDC ()
 385                 {
 386                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (NonDC));
 387                         using (XmlWriter w = XmlWriter.Create (TextWriter.Null, settings)) {
 388                                 ser.WriteObject (w, new NonDC ());
 389                         }
 390                 }
 391
 392                 // DCHasNonDC
 393
 394                 [Test]
 395                 //[ExpectedException (typeof (InvalidDataContractException))]
 396                 // DCHasNonDC itself is a DataContract type whose field is
 397                 // marked as DataMember but its type is not DataContract.
 398                 // UPDATE: non-DataContract types are became valid in RTM.
 399                 public void SerializeDCHasNonDC ()
 400                 {
 401                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCHasNonDC));
 402                         using (XmlWriter w = XmlWriter.Create (TextWriter.Null, settings)) {
 403                                 ser.WriteObject (w, new DCHasNonDC ());
 404                         }
 405                 }
 406
 407                 // DCHasSerializable
 408
 409                 [Test]
 410                 public void SerializeSimpleSerializable1Xml ()
 411                 {
 412                         StringWriter sw = new StringWriter ();
 413                         SerializeSimpleSerializable1 (XmlWriter.Create (sw, settings));
 414                         Assert.AreEqual (
 415                                 @"<root type=""object""><Ser type=""object""><Doh>doh!</Doh></Ser></root>",
 416                                 sw.ToString ());
 417                 }
 418
 419                 [Test]
 420                 public void SerializeSimpleSerializable1Json ()
 421                 {
 422                         MemoryStream ms = new MemoryStream ();
 423                         SerializeSimpleSerializable1 (JsonReaderWriterFactory.CreateJsonWriter (ms));
 424                         Assert.AreEqual (
 425                                 @"{""Ser"":{""Doh"":""doh!""}}",
 426                                 Encoding.UTF8.GetString (ms.ToArray ()));
 427                 }
 428
 429                 // DCHasSerializable itself is DataContract and has a field
 430                 // whose type is not contract but serializable.
 431                 void SerializeSimpleSerializable1 (XmlWriter writer)
 432                 {
 433                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCHasSerializable));
 434                         using (XmlWriter w = writer) {
 435                                 ser.WriteObject (w, new DCHasSerializable ());
 436                         }
 437                 }
 438
 439                 [Test]
 440                 public void SerializeDCWithNameXml ()
 441                 {
 442                         StringWriter sw = new StringWriter ();
 443                         SerializeDCWithName (XmlWriter.Create (sw, settings));
 444                         Assert.AreEqual (
 445                                 @"<root type=""object""><FooMember>value</FooMember></root>",
 446                                 sw.ToString ());
 447                 }
 448
 449                 [Test]
 450                 public void SerializeDCWithNameJson ()
 451                 {
 452                         MemoryStream ms = new MemoryStream ();
 453                         SerializeDCWithName (JsonReaderWriterFactory.CreateJsonWriter (ms));
 454                         Assert.AreEqual (
 455                                 @"{""FooMember"":""value""}",
 456                                 Encoding.UTF8.GetString (ms.ToArray ()));
 457                 }
 458
 459                 void SerializeDCWithName (XmlWriter writer)
 460                 {
 461                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCWithName));
 462                         using (XmlWriter w = writer) {
 463                                 ser.WriteObject (w, new DCWithName ());
 464                         }
 465                 }
 466
 467                 [Test]
 468                 public void SerializeDCWithEmptyName1 ()
 469                 {
 470                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCWithEmptyName));
 471                         StringWriter sw = new StringWriter ();
 472                         DCWithEmptyName dc = new DCWithEmptyName ();
 473                         using (XmlWriter w = XmlWriter.Create (sw, settings)) {
 474                                 try {
 475                                         ser.WriteObject (w, dc);
 476                                 } catch (InvalidDataContractException) {
 477                                         return;
 478                                 }
 479                         }
 480                         Assert.Fail ("Expected InvalidDataContractException");
 481                 }
 482
 483                 [Test]
 484                 public void SerializeDCWithEmptyName2 ()
 485                 {
 486                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCWithName));
 487                         StringWriter sw = new StringWriter ();
 488
 489                         /* DataContractAttribute.Name == "", not valid */
 490                         DCWithEmptyName dc = new DCWithEmptyName ();
 491                         using (XmlWriter w = XmlWriter.Create (sw, settings)) {
 492                                 try {
 493                                         ser.WriteObject (w, dc);
 494                                 } catch (InvalidDataContractException) {
 495                                         return;
 496                                 }
 497                         }
 498                         Assert.Fail ("Expected InvalidDataContractException");
 499                 }
 500
 501                 [Test]
 502                 [Category("NotWorking")]
 503                 public void SerializeDCWithNullName ()
 504                 {
 505                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCWithNullName));
 506                         StringWriter sw = new StringWriter ();
 507                         using (XmlWriter w = XmlWriter.Create (sw, settings)) {
 508                                 try {
 509                                         /* DataContractAttribute.Name == "", not valid */
 510                                         ser.WriteObject (w, new DCWithNullName ());
 511                                 } catch (InvalidDataContractException) {
 512                                         return;
 513                                 }
 514                         }
 515                         Assert.Fail ("Expected InvalidDataContractException");
 516                 }
 517
 518                 [Test]
 519                 public void SerializeDCWithEmptyNamespace1 ()
 520                 {
 521                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCWithEmptyNamespace));
 522                         StringWriter sw = new StringWriter ();
 523                         using (XmlWriter w = XmlWriter.Create (sw, settings)) {
 524                                 ser.WriteObject (w, new DCWithEmptyNamespace ());
 525                         }
 526                 }
 527
 528                 [Test]
 529                 public void SerializeWrappedClassXml ()
 530                 {
 531                         StringWriter sw = new StringWriter ();
 532                         SerializeWrappedClass (XmlWriter.Create (sw, settings));
 533                         Assert.AreEqual (
 534                                 @"<root type=""object"" />",
 535                                 sw.ToString ());
 536                 }
 537
 538                 [Test]
 539                 public void SerializeWrappedClassJson ()
 540                 {
 541                         MemoryStream ms = new MemoryStream ();
 542                         SerializeWrappedClass (JsonReaderWriterFactory.CreateJsonWriter (ms));
 543                         Assert.AreEqual (
 544                                 "{}",
 545                                 Encoding.UTF8.GetString (ms.ToArray ()));
 546                 }
 547
 548                 void SerializeWrappedClass (XmlWriter writer)
 549                 {
 550                         DataContractJsonSerializer ser =
 551                                 new DataContractJsonSerializer (typeof (Wrapper.DCWrapped));
 552                         using (XmlWriter w = writer) {
 553                                 ser.WriteObject (w, new Wrapper.DCWrapped ());
 554                         }
 555                 }
 556
 557                 // CollectionContainer : Items must have a setter. (but became valid in RTM).
 558                 [Test]
 559                 public void SerializeReadOnlyCollectionMember ()
 560                 {
 561                         DataContractJsonSerializer ser =
 562                                 new DataContractJsonSerializer (typeof (CollectionContainer));
 563                         StringWriter sw = new StringWriter ();
 564                         using (XmlWriter w = XmlWriter.Create (sw, settings)) {
 565                                 ser.WriteObject (w, null);
 566                         }
 567                 }
 568
 569                 // DataCollectionContainer : Items must have a setter. (but became valid in RTM).
 570                 [Test]
 571                 public void SerializeReadOnlyDataCollectionMember ()
 572                 {
 573                         DataContractJsonSerializer ser =
 574                                 new DataContractJsonSerializer (typeof (DataCollectionContainer));
 575                         StringWriter sw = new StringWriter ();
 576                         using (XmlWriter w = XmlWriter.Create (sw, settings)) {
 577                                 ser.WriteObject (w, null);
 578                         }
 579                 }
 580
 581                 [Test]
 582                 [Ignore ("https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=409970")]
 583                 [ExpectedException (typeof (SerializationException))]
 584                 public void DeserializeReadOnlyDataCollection_NullCollection ()
 585                 {
 586                         DataContractJsonSerializer ser =
 587                                 new DataContractJsonSerializer (typeof (CollectionContainer));
 588                         StringWriter sw = new StringWriter ();
 589                         var c = new CollectionContainer ();
 590                         c.Items.Add ("foo");
 591                         c.Items.Add ("bar");
 592                         using (XmlWriter w = XmlWriter.Create (sw, settings))
 593                                 ser.WriteObject (w, c);
 594                         // CollectionContainer.Items is null, so it cannot deserialize non-null collection.
 595                         using (XmlReader r = XmlReader.Create (new StringReader (sw.ToString ())))
 596                                 c = (CollectionContainer) ser.ReadObject (r);
 597                 }
 598
 599                 [Test]
 600                 public void SerializeGuidXml ()
 601                 {
 602                         StringWriter sw = new StringWriter ();
 603                         SerializeGuid (XmlWriter.Create (sw, settings));
 604                         Assert.AreEqual (
 605                                 @"<root>00000000-0000-0000-0000-000000000000</root>",
 606                                 sw.ToString ());
 607                 }
 608
 609                 [Test]
 610                 public void SerializeGuidJson ()
 611                 {
 612                         MemoryStream ms = new MemoryStream ();
 613                         SerializeGuid (JsonReaderWriterFactory.CreateJsonWriter (ms));
 614                         Assert.AreEqual (
 615                                 @"""00000000-0000-0000-0000-000000000000""",
 616                                 Encoding.UTF8.GetString (ms.ToArray ()));
 617                 }
 618
 619                 void SerializeGuid (XmlWriter writer)
 620                 {
 621                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (Guid));
 622                         using (XmlWriter w = writer) {
 623                                 ser.WriteObject (w, Guid.Empty);
 624                         }
 625                 }
 626
 627                 [Test]
 628                 public void SerializeEnumXml ()
 629                 {
 630                         StringWriter sw = new StringWriter ();
 631                         SerializeEnum (XmlWriter.Create (sw, settings));
 632                         Assert.AreEqual (
 633                                 @"<root type=""number"">0</root>",
 634                                 sw.ToString ());
 635                 }
 636
 637                 [Test]
 638                 public void SerializeEnumJson ()
 639                 {
 640                         MemoryStream ms = new MemoryStream ();
 641                         SerializeEnum (JsonReaderWriterFactory.CreateJsonWriter (ms));
 642                         Assert.AreEqual (
 643                                 "0",
 644                                 Encoding.UTF8.GetString (ms.ToArray ()));
 645                 }
 646
 647                 void SerializeEnum (XmlWriter writer)
 648                 {
 649                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (Colors));
 650                         using (XmlWriter w = writer) {
 651                                 ser.WriteObject (w, new Colors ());
 652                         }
 653                 }
 654
 655                 [Test]
 656                 public void SerializeEnum2Xml ()
 657                 {
 658                         StringWriter sw = new StringWriter ();
 659                         SerializeEnum2 (XmlWriter.Create (sw, settings));
 660                         Assert.AreEqual (
 661                                 @"<root type=""number"">0</root>",
 662                                 sw.ToString ());
 663                 }
 664
 665                 [Test]
 666                 public void SerializeEnum2Json ()
 667                 {
 668                         MemoryStream ms = new MemoryStream ();
 669                         SerializeEnum2 (JsonReaderWriterFactory.CreateJsonWriter (ms));
 670                         Assert.AreEqual (
 671                                 "0",
 672                                 Encoding.UTF8.GetString (ms.ToArray ()));
 673                 }
 674
 675                 void SerializeEnum2 (XmlWriter writer)
 676                 {
 677                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (Colors));
 678                         using (XmlWriter w = writer) {
 679                                 ser.WriteObject (w, 0);
 680                         }
 681                 }
 682
 683                 [Test] // so, DataContract does not affect here.
 684                 public void SerializeEnumWithDCXml ()
 685                 {
 686                         StringWriter sw = new StringWriter ();
 687                         SerializeEnumWithDC (XmlWriter.Create (sw, settings));
 688                         Assert.AreEqual (
 689                                 @"<root type=""number"">0</root>",
 690                                 sw.ToString ());
 691                 }
 692
 693                 [Test]
 694                 public void SerializeEnumWithDCJson ()
 695                 {
 696                         MemoryStream ms = new MemoryStream ();
 697                         SerializeEnumWithDC (JsonReaderWriterFactory.CreateJsonWriter (ms));
 698                         Assert.AreEqual (
 699                                 "0",
 700                                 Encoding.UTF8.GetString (ms.ToArray ()));
 701                 }
 702
 703                 void SerializeEnumWithDC (XmlWriter writer)
 704                 {
 705                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (ColorsWithDC));
 706                         using (XmlWriter w = writer) {
 707                                 ser.WriteObject (w, new ColorsWithDC ());
 708                         }
 709                 }
 710
 711                 [Test]
 712                 public void SerializeEnumWithNoDCXml ()
 713                 {
 714                         StringWriter sw = new StringWriter ();
 715                         SerializeEnumWithNoDC (XmlWriter.Create (sw, settings));
 716                         Assert.AreEqual (
 717                                 @"<root type=""number"">0</root>",
 718                                 sw.ToString ());
 719                 }
 720
 721                 [Test]
 722                 public void SerializeEnumWithNoDCJson ()
 723                 {
 724                         MemoryStream ms = new MemoryStream ();
 725                         SerializeEnumWithNoDC (JsonReaderWriterFactory.CreateJsonWriter (ms));
 726                         Assert.AreEqual (
 727                                 "0",
 728                                 Encoding.UTF8.GetString (ms.ToArray ()));
 729                 }
 730
 731                 void SerializeEnumWithNoDC (XmlWriter writer)
 732                 {
 733                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (ColorsEnumMemberNoDC));
 734                         using (XmlWriter w = writer) {
 735                                 ser.WriteObject (w, new ColorsEnumMemberNoDC ());
 736                         }
 737                 }
 738
 739                 [Test]
 740                 public void SerializeEnumWithDC2Xml ()
 741                 {
 742                         StringWriter sw = new StringWriter ();
 743                         SerializeEnumWithDC2 (XmlWriter.Create (sw, settings));
 744                         Assert.AreEqual (
 745                                 @"<root type=""number"">3</root>",
 746                                 sw.ToString ());
 747                 }
 748
 749                 [Test]
 750                 public void SerializeEnumWithDC2Json ()
 751                 {
 752                         MemoryStream ms = new MemoryStream ();
 753                         SerializeEnumWithDC2 (JsonReaderWriterFactory.CreateJsonWriter (ms));
 754                         Assert.AreEqual (
 755                                 "3",
 756                                 Encoding.UTF8.GetString (ms.ToArray ()));
 757                 }
 758
 759                 void SerializeEnumWithDC2 (XmlWriter writer)
 760                 {
 761                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (ColorsWithDC));
 762                         using (XmlWriter w = writer) {
 763                                 ser.WriteObject (w, 3);
 764                         }
 765                 }
 766
 767 /*
 768                 [Test]
 769                 [ExpectedException (typeof (SerializationException))]
 770                 public void SerializeEnumWithDCInvalid ()
 771                 {
 772                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (ColorsWithDC));
 773                         StringWriter sw = new StringWriter ();
 774                         ColorsWithDC cdc = ColorsWithDC.Blue;
 775                         using (XmlWriter w = XmlWriter.Create (sw, settings)) {
 776                                 ser.WriteObject (w, cdc);
 777                         }
 778                 }
 779 */
 780
 781                 [Test]
 782                 public void SerializeDCWithEnumXml ()
 783                 {
 784                         StringWriter sw = new StringWriter ();
 785                         SerializeDCWithEnum (XmlWriter.Create (sw, settings));
 786                         Assert.AreEqual (
 787                                 @"<root type=""object""><_colors type=""number"">0</_colors></root>",
 788                                 sw.ToString ());
 789                 }
 790
 791                 [Test]
 792                 public void SerializeDCWithEnumJson ()
 793                 {
 794                         MemoryStream ms = new MemoryStream ();
 795                         SerializeDCWithEnum (JsonReaderWriterFactory.CreateJsonWriter (ms));
 796                         Assert.AreEqual (
 797                                 @"{""_colors"":0}",
 798                                 Encoding.UTF8.GetString (ms.ToArray ()));
 799                 }
 800
 801                 void SerializeDCWithEnum (XmlWriter writer)
 802                 {
 803                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCWithEnum));
 804                         using (XmlWriter w = writer) {
 805                                 ser.WriteObject (w, new DCWithEnum ());
 806                         }
 807                 }
 808
 809                 [Test]
 810                 public void SerializerDCArrayXml ()
 811                 {
 812                         StringWriter sw = new StringWriter ();
 813                         SerializerDCArray (XmlWriter.Create (sw, settings));
 814                         Assert.AreEqual (
 815                                 @"<root type=""array""><item type=""object""><_colors type=""number"">0</_colors></item><item type=""object""><_colors type=""number"">1</_colors></item></root>",
 816                                 sw.ToString ());
 817                 }
 818
 819                 [Test]
 820                 public void SerializerDCArrayJson ()
 821                 {
 822                         MemoryStream ms = new MemoryStream ();
 823                         SerializerDCArray (JsonReaderWriterFactory.CreateJsonWriter (ms));
 824                         Assert.AreEqual (
 825                                 @"[{""_colors"":0},{""_colors"":1}]",
 826                                 Encoding.UTF8.GetString (ms.ToArray ()));
 827                 }
 828
 829                 void SerializerDCArray (XmlWriter writer)
 830                 {
 831                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (DCWithEnum []));
 832                         DCWithEnum [] arr = new DCWithEnum [2];
 833                         arr [0] = new DCWithEnum (); arr [0].colors = Colors.Red;
 834                         arr [1] = new DCWithEnum (); arr [1].colors = Colors.Green;
 835                         using (XmlWriter w = writer) {
 836                                 ser.WriteObject (w, arr);
 837                         }
 838                 }
 839
 840                 [Test]
 841                 public void SerializerDCArray2Xml ()
 842                 {
 843                         StringWriter sw = new StringWriter ();
 844                         SerializerDCArray2 (XmlWriter.Create (sw, settings));
 845                         Assert.AreEqual (
 846                                 @"<root type=""array""><item __type=""DCWithEnum:#MonoTests.System.Runtime.Serialization.Json"" type=""object""><_colors type=""number"">0</_colors></item><item __type=""DCSimple1:#MonoTests.System.Runtime.Serialization.Json"" type=""object""><Foo>hello</Foo></item></root>",
 847                                 sw.ToString ());
 848                 }
 849
 850                 [Test]
 851                 public void SerializerDCArray2Json ()
 852                 {
 853                         MemoryStream ms = new MemoryStream ();
 854                         SerializerDCArray2 (JsonReaderWriterFactory.CreateJsonWriter (ms));
 855                         Assert.AreEqual (
 856                                 @"[{""__type"":""DCWithEnum:#MonoTests.System.Runtime.Serialization.Json"",""_colors"":0},{""__type"":""DCSimple1:#MonoTests.System.Runtime.Serialization.Json"",""Foo"":""hello""}]",
 857                                 Encoding.UTF8.GetString (ms.ToArray ()));
 858                 }
 859
 860                 void SerializerDCArray2 (XmlWriter writer)
 861                 {
 862                         List<Type> known = new List<Type> ();
 863                         known.Add (typeof (DCWithEnum));
 864                         known.Add (typeof (DCSimple1));
 865                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (object []), known);
 866                         object [] arr = new object [2];
 867                         arr [0] = new DCWithEnum (); ((DCWithEnum)arr [0]).colors = Colors.Red;
 868                         arr [1] = new DCSimple1 (); ((DCSimple1) arr [1]).Foo = "hello";
 869
 870                         using (XmlWriter w = writer) {
 871                                 ser.WriteObject (w, arr);
 872                         }
 873                 }
 874
 875                 [Test]
 876                 public void SerializerDCArray3Xml ()
 877                 {
 878                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (int []));
 879                         StringWriter sw = new StringWriter ();
 880                         int [] arr = new int [2];
 881                         arr [0] = 1; arr [1] = 2;
 882
 883                         using (XmlWriter w = XmlWriter.Create (sw, settings)) {
 884                                 ser.WriteObject (w, arr);
 885                         }
 886
 887                         Assert.AreEqual (
 888                                 @"<root type=""array""><item type=""number"">1</item><item type=""number"">2</item></root>",
 889                                 sw.ToString ());
 890                 }
 891
 892                 [Test]
 893                 public void SerializerDCArray3Json ()
 894                 {
 895                         MemoryStream ms = new MemoryStream ();
 896                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (int []));
 897                         int [] arr = new int [2];
 898                         arr [0] = 1; arr [1] = 2;
 899
 900                         using (XmlWriter w = JsonReaderWriterFactory.CreateJsonWriter (ms)) {
 901                                 ser.WriteObject (w, arr);
 902                         }
 903
 904                         Assert.AreEqual (
 905                                 @"[1,2]",
 906                                 Encoding.UTF8.GetString (ms.ToArray ()));
 907                 }
 908
 909                 [Test]
 910                 // ... so, non-JSON XmlWriter is still accepted.
 911                 public void SerializeNonDCArrayXml ()
 912                 {
 913                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (SerializeNonDCArrayType));
 914                         StringWriter sw = new StringWriter ();
 915                         using (XmlWriter xw = XmlWriter.Create (sw, settings)) {
 916                                 ser.WriteObject (xw, new SerializeNonDCArrayType ());
 917                         }
 918                         Assert.AreEqual (@"<root type=""object""><IPAddresses type=""array"" /></root>",
 919                                 sw.ToString ());
 920                 }
 921
 922                 [Test]
 923                 public void SerializeNonDCArrayJson ()
 924                 {
 925                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (SerializeNonDCArrayType));
 926                         MemoryStream ms = new MemoryStream ();
 927                         using (XmlWriter xw = JsonReaderWriterFactory.CreateJsonWriter (ms)) {
 928                                 ser.WriteObject (xw, new SerializeNonDCArrayType ());
 929                         }
 930                         Assert.AreEqual (@"{""IPAddresses"":[]}",
 931                                 Encoding.UTF8.GetString (ms.ToArray ()));
 932                 }
 933
 934                 [Test]
 935                 public void SerializeNonDCArrayItems ()
 936                 {
 937                         DataContractJsonSerializer ser = new DataContractJsonSerializer (typeof (SerializeNonDCArrayType));
 938                         StringWriter sw = new StringWriter ();
 939                         using (XmlWriter xw = XmlWriter.Create (sw, settings)) {
 940                                 SerializeNonDCArrayType obj = new SerializeNonDCArrayType ();
 941                                 obj.IPAddresses = new NonDCItem [] {new NonDCItem () { Data = new byte [] {1, 2, 3, 4} } };
 942                                 ser.WriteObject (xw, obj);
 943                         }
 944
 945                         XmlDocument doc = new XmlDocument ();
 946                         doc.LoadXml (sw.ToString ());
 947                         XmlNamespaceManager nsmgr = new XmlNamespaceManager (doc.NameTable);
 948                         nsmgr.AddNamespace ("s", "http://schemas.datacontract.org/2004/07/MonoTests.System.Runtime.Serialization");
 949                         nsmgr.AddNamespace ("n", "http://schemas.datacontract.org/2004/07/System.Net");
 950                         nsmgr.AddNamespace ("a", "http://schemas.microsoft.com/2003/10/Serialization/Arrays");
 951
 952                         Assert.AreEqual (1, doc.SelectNodes ("/root/IPAddresses/item", nsmgr).Count, "#1");
 953                         XmlElement el = doc.SelectSingleNode ("/root/IPAddresses/item/Data", nsmgr) as XmlElement;
 954                         Assert.IsNotNull (el, "#3");
 955                         Assert.AreEqual (4, el.SelectNodes ("item", nsmgr).Count, "#4");
 956                 }
 957
 958                 [Test]
 959                 public void MaxItemsInObjectGraph1 ()
 960                 {
 961                         // object count == maximum
 962                         DataContractJsonSerializer s = new DataContractJsonSerializer (typeof (DCEmpty), null, 1, false, null, false);
 963                         s.WriteObject (XmlWriter.Create (TextWriter.Null), new DCEmpty ());
 964                 }
 965
 966                 [Test]
 967                 [ExpectedException (typeof (SerializationException))]
 968                 public void MaxItemsInObjectGraph2 ()
 969                 {
 970                         // object count > maximum
 971                         DataContractJsonSerializer s = new DataContractJsonSerializer (typeof (DCSimple1), null, 1, false, null, false);
 972                         s.WriteObject (XmlWriter.Create (TextWriter.Null), new DCSimple1 ());
 973                 }
 974
 975                 [Test]
 976                 public void DeserializeString ()
 977                 {
 978                         Assert.AreEqual ("ABC", Deserialize ("\"ABC\"", typeof (string)));
 979                 }
 980
 981                 [Test]
 982                 public void DeserializeInt ()
 983                 {
 984                         Assert.AreEqual (5, Deserialize ("5", typeof (int)));
 985                 }
 986
 987                 [Test]
 988                 public void DeserializeArray ()
 989                 {
 990                         int [] ret = (int []) Deserialize ("[5,6,7]", typeof (int []));
 991                         Assert.AreEqual (5, ret [0], "#1");
 992                         Assert.AreEqual (6, ret [1], "#2");
 993                         Assert.AreEqual (7, ret [2], "#3");
 994                 }
 995
 996                 [Test]
 997                 public void DeserializeArrayUntyped ()
 998                 {
 999                         object [] ret = (object []) Deserialize ("[5,6,7]", typeof (object []));
1000                         Assert.AreEqual (5, ret [0], "#1");
1001                         Assert.AreEqual (6, ret [1], "#2");
1002                         Assert.AreEqual (7, ret [2], "#3");
1003                 }
1004
1005                 [Test]
1006                 public void DeserializeMixedArray ()
1007                 {
1008                         object [] ret = (object []) Deserialize ("[5,\"6\",false]", typeof (object []));
1009                         Assert.AreEqual (5, ret [0], "#1");
1010                         Assert.AreEqual ("6", ret [1], "#2");
1011                         Assert.AreEqual (false, ret [2], "#3");
1012                 }
1013
1014                 [Test]
1015                 [ExpectedException (typeof (SerializationException))]
1016                 public void DeserializeEmptyAsString ()
1017                 {
1018                         // it somehow expects "root" which should have been already consumed.
1019                         Deserialize ("", typeof (string));
1020                 }
1021
1022                 [Test]
1023                 [ExpectedException (typeof (SerializationException))]
1024                 public void DeserializeEmptyAsInt ()
1025                 {
1026                         // it somehow expects "root" which should have been already consumed.
1027                         Deserialize ("", typeof (int));
1028                 }
1029
1030                 [Test]
1031                 [ExpectedException (typeof (SerializationException))]
1032                 public void DeserializeEmptyAsDBNull ()
1033                 {
1034                         // it somehow expects "root" which should have been already consumed.
1035                         Deserialize ("", typeof (DBNull));
1036                 }
1037
1038                 [Test]
1039                 public void DeserializeEmptyObjectAsString ()
1040                 {
1041                         // looks like it is converted to ""
1042                         Assert.AreEqual (String.Empty, Deserialize ("{}", typeof (string)));
1043                 }
1044
1045                 [Test]
1046                 [ExpectedException (typeof (SerializationException))]
1047                 public void DeserializeEmptyObjectAsInt ()
1048                 {
1049                         Deserialize ("{}", typeof (int));
1050                 }
1051
1052                 [Test]
1053                 public void DeserializeEmptyObjectAsDBNull ()
1054                 {
1055                         Assert.AreEqual (DBNull.Value, Deserialize ("{}", typeof (DBNull)));
1056                 }
1057
1058                 [Test]
1059                 [ExpectedException (typeof (SerializationException))]
1060                 public void DeserializeEnumByName ()
1061                 {
1062                         // enum is parsed into long
1063                         Deserialize (@"""Red""", typeof (Colors));
1064                 }
1065
1066                 [Test]
1067                 public void DeserializeEnum2 ()
1068                 {
1069                         object o = Deserialize ("0", typeof (Colors));
1070
1071                         Assert.AreEqual (typeof (Colors), o.GetType (), "#de3");
1072                         Colors c = (Colors) o;
1073                         Assert.AreEqual (Colors.Red, c, "#de4");
1074                 }
1075
1076                 [Test]
1077                 [ExpectedException (typeof (SerializationException))]
1078                 public void DeserializeEnumInvalid ()
1079                 {
1080                         Deserialize ("", typeof (Colors));
1081                 }
1082
1083                 [Test]
1084                 [ExpectedException (typeof (SerializationException))]
1085                 [Category ("NotDotNet")] // 0.0 is an invalid Colors value.
1086                 public void DeserializeEnumInvalid3 ()
1087                 {
1088                         //"0.0" instead of "0"
1089                         Deserialize (
1090                                 "0.0",
1091                                 typeof (Colors));
1092                 }
1093
1094                 [Test]
1095                 public void DeserializeEnumWithDC ()
1096                 {
1097                         object o = Deserialize ("0", typeof (ColorsWithDC));
1098
1099                         Assert.AreEqual (typeof (ColorsWithDC), o.GetType (), "#de5");
1100                         ColorsWithDC cdc = (ColorsWithDC) o;
1101                         Assert.AreEqual (ColorsWithDC.Red, o, "#de6");
1102                 }
1103
1104                 [Test]
1105                 [ExpectedException (typeof (SerializationException))]
1106                 [Category ("NotDotNet")] // 4 is an invalid Colors value.
1107                 [Category ("NotWorking")]
1108                 public void DeserializeEnumWithDCInvalid ()
1109                 {
1110                         Deserialize (
1111                                 "4",
1112                                 typeof (ColorsWithDC));
1113                 }
1114
1115                 [Test]
1116                 public void DeserializeDCWithEnum ()
1117                 {
1118                         object o = Deserialize (
1119                                 "{\"_colors\":0}",
1120                                 typeof (DCWithEnum));
1121
1122                         Assert.AreEqual (typeof (DCWithEnum), o.GetType (), "#de7");
1123                         DCWithEnum dc = (DCWithEnum) o;
1124                         Assert.AreEqual (Colors.Red, dc.colors, "#de8");
1125                 }
1126
1127                 [Test]
1128                 public void ReadObjectVerifyObjectNameFalse ()
1129                 {
1130                         string xml = @"<any><Member1>bar</Member1></any>";
1131                         object o = new DataContractJsonSerializer (typeof (VerifyObjectNameTestData))
1132                                 .ReadObject (XmlReader.Create (new StringReader (xml)), false);
1133                         Assert.IsTrue (o is VerifyObjectNameTestData, "#1");
1134
1135                         string xml2 = @"<any><x:Member1 xmlns:x=""http://schemas.datacontract.org/2004/07/MonoTests.System.Runtime.Serialization"">bar</x:Member1></any>";
1136                         o = new DataContractJsonSerializer (typeof (VerifyObjectNameTestData))
1137                                 .ReadObject (XmlReader.Create (new StringReader (xml2)), false);
1138                         Assert.IsTrue (o is VerifyObjectNameTestData, "#2");
1139                 }
1140
1141                 [Test]
1142                 [ExpectedException (typeof (SerializationException))]
1143                 public void ReadObjectVerifyObjectNameTrue ()
1144                 {
1145                         string xml = @"<any><Member1>bar</Member1></any>";
1146                         new DataContractJsonSerializer (typeof (VerifyObjectNameTestData))
1147                                 .ReadObject (XmlReader.Create (new StringReader (xml)), true);
1148                 }
1149
1150                 [Test] // member name is out of scope
1151                 public void ReadObjectVerifyObjectNameTrue2 ()
1152                 {
1153                         string xml = @"<root><Member2>bar</Member2></root>";
1154                         new DataContractJsonSerializer (typeof (VerifyObjectNameTestData))
1155                                 .ReadObject (XmlReader.Create (new StringReader (xml)), true);
1156                 }
1157
1158                 [Test]
1159                 public void ReadTypedObjectJson ()
1160                 {
1161                         object o = Deserialize (@"{""__type"":""DCWithEnum:#MonoTests.System.Runtime.Serialization.Json"",""_colors"":0}", typeof (DCWithEnum));
1162                         Assert.AreEqual (typeof (DCWithEnum), o.GetType ());
1163                 }
1164
1165                 [Test]
1166                 public void ReadObjectDCArrayJson ()
1167                 {
1168                         object o = Deserialize (@"[{""__type"":""DCWithEnum:#MonoTests.System.Runtime.Serialization.Json"",""_colors"":0}]",
1169                                 typeof (object []), typeof (DCWithEnum));
1170                         Assert.AreEqual (typeof (object []), o.GetType (), "#1");
1171                         object [] arr = (object []) o;
1172                         Assert.AreEqual (typeof (DCWithEnum), arr [0].GetType (), "#2");
1173                 }
1174
1175                 [Test]
1176                 public void ReadObjectDCArray2Json ()
1177                 {
1178                         object o = Deserialize (@"[{""__type"":""DCWithEnum:#MonoTests.System.Runtime.Serialization.Json"",""_colors"":0},{""__type"":""DCSimple1:#MonoTests.System.Runtime.Serialization.Json"",""Foo"":""hello""}]",
1179                                 typeof (object []), typeof (DCWithEnum), typeof (DCSimple1));
1180                         Assert.AreEqual (typeof (object []), o.GetType (), "#1");
1181                         object [] arr = (object []) o;
1182                         Assert.AreEqual (typeof (DCWithEnum), arr [0].GetType (), "#2");
1183                         Assert.AreEqual (typeof (DCSimple1), arr [1].GetType (), "#3");
1184                 }
1185
1186                 private object Deserialize (string xml, Type type, params Type [] knownTypes)
1187                 {
1188                         DataContractJsonSerializer ser = new DataContractJsonSerializer (type, knownTypes);
1189                         XmlReader xr = JsonReaderWriterFactory.CreateJsonReader (Encoding.UTF8.GetBytes (xml), new XmlDictionaryReaderQuotas ());
1190                         return ser.ReadObject (xr);
1191                 }
1192
1193                 [Test]
1194                 public void IsStartObject ()
1195                 {
1196                         DataContractJsonSerializer s = new DataContractJsonSerializer (typeof (DCSimple1));
1197                         Assert.IsTrue (s.IsStartObject (XmlReader.Create (new StringReader ("<root></root>"))), "#1");
1198                         Assert.IsFalse (s.IsStartObject (XmlReader.Create (new StringReader ("<dummy></dummy>"))), "#2");
1199                         Assert.IsFalse (s.IsStartObject (XmlReader.Create (new StringReader ("<Foo></Foo>"))), "#3");
1200                         Assert.IsFalse (s.IsStartObject (XmlReader.Create (new StringReader ("<root xmlns='urn:foo'></root>"))), "#4");
1201                 }
1202
1203                 [Test]
1204                 public void SerializeNonDC2 ()
1205                 {
1206                         var ser = new DataContractJsonSerializer (typeof (TestData));
1207                         StringWriter sw = new StringWriter ();
1208                         var obj = new TestData () { Foo = "foo", Bar = "bar", Baz = "baz" };
1209
1210                         // XML
1211                         using (var xw = XmlWriter.Create (sw))
1212                                 ser.WriteObject (xw, obj);
1213                         var s = sw.ToString ();
1214                         // since the order is not preserved, we compare only contents.
1215                         Assert.IsTrue (s.IndexOf ("<Foo>foo</Foo>") > 0, "#1-1");
1216                         Assert.IsTrue (s.IndexOf ("<Bar>bar</Bar>") > 0, "#1-2");
1217                         Assert.IsFalse (s.IndexOf ("<Baz>baz</Baz>") > 0, "#1-3");
1218
1219                         // JSON
1220                         MemoryStream ms = new MemoryStream ();
1221                         using (var xw = JsonReaderWriterFactory.CreateJsonWriter (ms))
1222                                 ser.WriteObject (ms, obj);
1223                         s = new StreamReader (new MemoryStream (ms.ToArray ())).ReadToEnd ().Replace ('"', '/');
1224                         // since the order is not preserved, we compare only contents.
1225                         Assert.IsTrue (s.IndexOf ("/Foo/:/foo/") > 0, "#2-1");
1226                         Assert.IsTrue (s.IndexOf ("/Bar/:/bar/") > 0, "#2-2");
1227                         Assert.IsFalse (s.IndexOf ("/Baz/:/baz/") > 0, "#2-3");
1228                 }
1229
1230                 [Test]
1231                 public void AlwaysEmitTypeInformation ()
1232                 {
1233                         var ms = new MemoryStream ();
1234                         var ds = new DataContractJsonSerializer (typeof (string), "root", null, 10, false, null, true);
1235                         ds.WriteObject (ms, "foobar");
1236                         var s = Encoding.UTF8.GetString (ms.ToArray ());
1237                         Assert.AreEqual ("\"foobar\"", s, "#1");
1238                 }
1239
1240                 [Test]
1241                 public void AlwaysEmitTypeInformation2 ()
1242                 {
1243                         var ms = new MemoryStream ();
1244                         var ds = new DataContractJsonSerializer (typeof (TestData), "root", null, 10, false, null, true);
1245                         ds.WriteObject (ms, new TestData () { Foo = "foo"});
1246                         var s = Encoding.UTF8.GetString (ms.ToArray ());
1247                         Assert.AreEqual (@"{""__type"":""TestData:#MonoTests.System.Runtime.Serialization.Json"",""Bar"":null,""Foo"":""foo""}", s, "#1");
1248                 }
1249
1250                 [Test]
1251                 public void AlwaysEmitTypeInformation3 ()
1252                 {
1253                         var ms = new MemoryStream ();
1254                         var ds = new DataContractJsonSerializer (typeof (TestData), "root", null, 10, false, null, false);
1255                         ds.WriteObject (ms, new TestData () { Foo = "foo"});
1256                         var s = Encoding.UTF8.GetString (ms.ToArray ());
1257                         Assert.AreEqual (@"{""Bar"":null,""Foo"":""foo""}", s, "#1");
1258                 }
1259
1260                 [Test]
1261                 public void TestNonpublicDeserialization ()
1262                 {
1263                         string s1= @"{""Bar"":""bar"", ""Foo"":""foo"", ""Baz"":""baz""}";
1264                         TestData o1 = ((TestData)(new DataContractJsonSerializer (typeof (TestData)).ReadObject (JsonReaderWriterFactory.CreateJsonReader (Encoding.UTF8.GetBytes (s1), new XmlDictionaryReaderQuotas ()))));
1265
1266                         Assert.AreEqual (null, o1.Baz, "#1");
1267
1268                         string s2 = @"{""TestData"":[{""key"":""key1"",""value"":""value1""}]}";
1269                         KeyValueTestData o2 = ((KeyValueTestData)(new DataContractJsonSerializer (typeof (KeyValueTestData)).ReadObject (JsonReaderWriterFactory.CreateJsonReader (Encoding.UTF8.GetBytes (s2), new XmlDictionaryReaderQuotas ()))));
1270
1271                         Assert.AreEqual (1, o2.TestData.Count, "#2");
1272                         Assert.AreEqual ("key1", o2.TestData[0].Key, "#3");
1273                         Assert.AreEqual ("value1", o2.TestData[0].Value, "#4");
1274                 }
1275
1276                 // [Test] use this case if you want to check lame silverlight parser behavior. Seealso #549756
1277                 public void QuotelessDeserialization ()
1278                 {
1279                         string s1 = @"{FooMember:""value""}";
1280                         var ds = new DataContractJsonSerializer (typeof (DCWithName));
1281                         ds.ReadObject (new MemoryStream (Encoding.UTF8.GetBytes (s1)));
1282
1283                         string s2 = @"{FooMember:"" \""{dummy:string}\""""}";
1284                         ds.ReadObject (new MemoryStream (Encoding.UTF8.GetBytes (s2)));
1285                 }
1286
1287                 [Test]
1288                 [Category ("NotWorking")]
1289                 public void TypeIsNotPartsOfKnownTypes ()
1290                 {
1291                         var dcs = new DataContractSerializer (typeof (string));
1292                         Assert.AreEqual (0, dcs.KnownTypes.Count, "KnownTypes #1");
1293                         var dcjs = new DataContractJsonSerializer (typeof (string));
1294                         Assert.AreEqual (0, dcjs.KnownTypes.Count, "KnownTypes #2");
1295                 }
1296
1297                 [Test]
1298                 public void ReadWriteNullObject ()
1299                 {
1300                         DataContractJsonSerializer dcjs = new DataContractJsonSerializer (typeof (string));
1301                         using (MemoryStream ms = new MemoryStream ()) {
1302                                 dcjs.WriteObject (ms, null);
1303                                 ms.Position = 0;
1304                                 using (StreamReader sr = new StreamReader (ms)) {
1305                                         string data = sr.ReadToEnd ();
1306                                         Assert.AreEqual ("null", data, "WriteObject(stream,null)");
1307
1308                                         ms.Position = 0;
1309                                         Assert.IsNull (dcjs.ReadObject (ms), "ReadObject(stream)");
1310                                 }
1311                         };
1312                 }
1313
1314                 object ReadWriteObject (Type type, object obj, string expected)
1315                 {
1316                         using (MemoryStream ms = new MemoryStream ()) {
1317                                 DataContractJsonSerializer dcjs = new DataContractJsonSerializer (type);
1318                                 dcjs.WriteObject (ms, obj);
1319                                 ms.Position = 0;
1320                                 using (StreamReader sr = new StreamReader (ms)) {
1321                                         Assert.AreEqual (expected, sr.ReadToEnd (), "WriteObject");
1322
1323                                         ms.Position = 0;
1324                                         return dcjs.ReadObject (ms);
1325                                 }
1326                         }
1327                 }
1328
1329                 [Test]
1330                 [Ignore ("Wrong test case. See bug #573691")]
1331                 public void ReadWriteObject_Single_SpecialCases ()
1332                 {
1333                         Assert.IsTrue (Single.IsNaN ((float) ReadWriteObject (typeof (float), Single.NaN, "NaN")));
1334                         Assert.IsTrue (Single.IsNegativeInfinity ((float) ReadWriteObject (typeof (float), Single.NegativeInfinity, "-INF")));
1335                         Assert.IsTrue (Single.IsPositiveInfinity ((float) ReadWriteObject (typeof (float), Single.PositiveInfinity, "INF")));
1336                 }
1337
1338                 [Test]
1339                 [Ignore ("Wrong test case. See bug #573691")]
1340                 public void ReadWriteObject_Double_SpecialCases ()
1341                 {
1342                         Assert.IsTrue (Double.IsNaN ((double) ReadWriteObject (typeof (double), Double.NaN, "NaN")));
1343                         Assert.IsTrue (Double.IsNegativeInfinity ((double) ReadWriteObject (typeof (double), Double.NegativeInfinity, "-INF")));
1344                         Assert.IsTrue (Double.IsPositiveInfinity ((double) ReadWriteObject (typeof (double), Double.PositiveInfinity, "INF")));
1345                 }
1346
1347                 [Test]
1348                 public void ReadWriteDateTime ()
1349                 {
1350                         var ms = new MemoryStream ();
1351                         DataContractJsonSerializer serializer = new DataContractJsonSerializer (typeof (Query));
1352                         Query query = new Query () {
1353                                 StartDate = new DateTime (2010, 3, 4, 5, 6, 7),
1354                                 EndDate = new DateTime (2010, 4, 5, 6, 7, 8)
1355                                 };
1356                         serializer.WriteObject (ms, query);
1357                         Assert.AreEqual ("{\"StartDate\":\"\\/Date(1267679167000)\\/\",\"EndDate\":\"\\/Date(1270447628000)\\/\"}", Encoding.UTF8.GetString (ms.ToArray ()), "#1");
1358                         ms.Position = 0;
1359                         Console.WriteLine (new StreamReader (ms).ReadToEnd ());
1360                         ms.Position = 0;
1361                         var q = (Query) serializer.ReadObject(ms);
1362                         Assert.AreEqual (query.StartDate, q.StartDate, "#2");
1363                         Assert.AreEqual (query.EndDate, q.EndDate, "#3");
1364                 }
1365
1366                 [Test]
1367                 public void DeserializeNullMember ()
1368                 {
1369                         var ds = new DataContractJsonSerializer (typeof (ClassA));
1370                         var stream = new MemoryStream ();
1371                         var a = new ClassA ();
1372                         ds.WriteObject (stream, a);
1373                         stream.Position = 0;
1374                         a = (ClassA) ds.ReadObject (stream);
1375                         Assert.IsNull (a.B, "#1");
1376                 }
1377
1378                 [Test]
1379                 public void OnDeserializationMethods ()
1380                 {
1381                         var ds = new DataContractJsonSerializer (typeof (GSPlayerListErg));
1382                         var obj = new GSPlayerListErg ();
1383                         var ms = new MemoryStream ();
1384                         ds.WriteObject (ms, obj);
1385                         ms.Position = 0;
1386                         ds.ReadObject (ms);
1387                         Assert.IsTrue (GSPlayerListErg.A, "A");
1388                         Assert.IsTrue (GSPlayerListErg.B, "B");
1389                         Assert.IsTrue (GSPlayerListErg.C, "C");
1390                 }
1391
1392                 [Test]
1393                 public void WriteChar ()
1394                 {
1395                         DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof (CharTest));
1396                         using (MemoryStream ms = new MemoryStream()) {
1397                                 serializer.WriteObject(ms, new CharTest ());
1398                                 ms.Position = 0L;
1399                                 using (StreamReader reader = new StreamReader(ms)) {
1400                                         reader.ReadToEnd();
1401                                 }
1402                         }
1403                 }
1404
1405                 [Test]
1406                 public void DictionarySerialization ()
1407                 {
1408                         var dict = new MyDictionary<string,string> ();
1409                         dict.Add ("key", "value");
1410                         var serializer = new DataContractJsonSerializer (dict.GetType ());
1411                         var stream = new MemoryStream ();
1412                         serializer.WriteObject (stream, dict);
1413                         stream.Position = 0;
1414
1415                         Assert.AreEqual ("[{\"Key\":\"key\",\"Value\":\"value\"}]", new StreamReader (stream).ReadToEnd (), "#1");
1416                         stream.Position = 0;
1417                         dict = (MyDictionary<string,string>) serializer.ReadObject (stream);
1418                         Assert.AreEqual (1, dict.Count, "#2");
1419                         Assert.AreEqual ("value", dict ["key"], "#3");
1420                 }
1421         }
1422
1423         public class CharTest
1424         {
1425                 public char Foo;
1426         }
1427
1428         public class TestData
1429         {
1430                 public string Foo { get; set; }
1431                 public string Bar { get; set; }
1432                 internal string Baz { get; set; }
1433         }
1434
1435         public enum Colors {
1436                 Red, Green, Blue
1437         }
1438
1439         [DataContract (Name = "_ColorsWithDC")]
1440         public enum ColorsWithDC {
1441
1442                 [EnumMember (Value = "_Red")]
1443                 Red,
1444                 [EnumMember]
1445                 Green,
1446                 Blue
1447         }
1448
1449
1450         public enum ColorsEnumMemberNoDC {
1451                 [EnumMember (Value = "_Red")]
1452                 Red,
1453                 [EnumMember]
1454                 Green,
1455                 Blue
1456         }
1457
1458         [DataContract]
1459         public class DCWithEnum {
1460                 [DataMember (Name = "_colors")]
1461                 public Colors colors;
1462         }
1463
1464         [DataContract]
1465         public class DCEmpty
1466         {
1467                 // serializer doesn't touch it.
1468                 public string Foo = "TEST";
1469         }
1470
1471         [DataContract]
1472         public class DCSimple1
1473         {
1474                 [DataMember]
1475                 public string Foo = "TEST";
1476         }
1477
1478         [DataContract]
1479         public class DCHasNonDC
1480         {
1481                 [DataMember]
1482                 public NonDC Hoge= new NonDC ();
1483         }
1484
1485         public class NonDC
1486         {
1487                 public string Whee = "whee!";
1488         }
1489
1490         [DataContract]
1491         public class DCHasSerializable
1492         {
1493                 [DataMember]
1494                 public SimpleSer1 Ser = new SimpleSer1 ();
1495         }
1496
1497         [DataContract (Name = "Foo")]
1498         public class DCWithName
1499         {
1500                 [DataMember (Name = "FooMember")]
1501                 public string DMWithName = "value";
1502         }
1503
1504         [DataContract (Name = "")]
1505         public class DCWithEmptyName
1506         {
1507                 [DataMember]
1508                 public string Foo;
1509         }
1510
1511         [DataContract (Name = null)]
1512         public class DCWithNullName
1513         {
1514                 [DataMember]
1515                 public string Foo;
1516         }
1517
1518         [DataContract (Namespace = "")]
1519         public class DCWithEmptyNamespace
1520         {
1521                 [DataMember]
1522                 public string Foo;
1523         }
1524
1525         [Serializable]
1526         public class SimpleSer1
1527         {
1528                 public string Doh = "doh!";
1529         }
1530
1531         public class Wrapper
1532         {
1533                 [DataContract]
1534                 public class DCWrapped
1535                 {
1536                 }
1537         }
1538
1539         [DataContract]
1540         public class CollectionContainer
1541         {
1542                 Collection<string> items = new Collection<string> ();
1543
1544                 [DataMember]
1545                 public Collection<string> Items {
1546                         get { return items; }
1547                 }
1548         }
1549
1550         [CollectionDataContract]
1551         public class DataCollection<T> : Collection<T>
1552         {
1553         }
1554
1555         [DataContract]
1556         public class DataCollectionContainer
1557         {
1558                 DataCollection<string> items = new DataCollection<string> ();
1559
1560                 [DataMember]
1561                 public DataCollection<string> Items {
1562                         get { return items; }
1563                 }
1564         }
1565
1566         [DataContract]
1567         class SerializeNonDCArrayType
1568         {
1569                 [DataMember]
1570                 public NonDCItem [] IPAddresses = new NonDCItem [0];
1571         }
1572
1573         public class NonDCItem
1574         {
1575                 public byte [] Data { get; set; }
1576         }
1577
1578         [DataContract]
1579         public class VerifyObjectNameTestData
1580         {
1581                 [DataMember]
1582                 string Member1 = "foo";
1583         }
1584
1585         [Serializable]
1586         public class KeyValueTestData {
1587                 public List<KeyValuePair<string,string>> TestData = new List<KeyValuePair<string,string>>();
1588         }
1589
1590         [DataContract] // bug #586169
1591         public class Query
1592         {
1593                 [DataMember (Order=1)]
1594                 public DateTime StartDate { get; set; }
1595                 [DataMember (Order=2)]
1596                 public DateTime EndDate { get; set; }
1597         }
1598
1599         public class ClassA {
1600                 public ClassB B { get; set; }
1601         }
1602
1603         public class ClassB
1604         {
1605         }
1606
1607         public class GSPlayerListErg
1608         {
1609                 public GSPlayerListErg ()
1610                 {
1611                         Init ();
1612                 }
1613
1614                 void Init ()
1615                 {
1616                         C = true;
1617                 }
1618
1619                 [OnDeserializing]
1620                 public void OnDeserializing (StreamingContext c)
1621                 {
1622                         A = true;
1623                         Init ();
1624                 }
1625
1626                 [OnDeserialized]
1627                 void OnDeserialized (StreamingContext c)
1628                 {
1629                         B = true;
1630                 }
1631
1632                 public static bool A, B, C;
1633
1634                 [DataMember (Name = "T")]
1635                 public long CodedServerTimeUTC { get; set; }
1636                 public DateTime ServerTimeUTC { get; set; }
1637         }
1638 }
1639
1640 [DataContract]
1641 class GlobalSample1
1642 {
1643 }
1644
1645
1646 public class MyDictionary<K, V> : System.Collections.Generic.IDictionary<K, V>
1647 {
1648         Dictionary<K,V> dic = new Dictionary<K,V> ();
1649
1650         public void Add (K key, V value)
1651         {
1652                 dic.Add (key,  value);
1653         }
1654
1655         public bool ContainsKey (K key)
1656         {
1657                 return dic.ContainsKey (key);
1658         }
1659
1660         public ICollection<K> Keys {
1661                 get { return dic.Keys; }
1662         }
1663
1664         public bool Remove (K key)
1665         {
1666                 return dic.Remove (key);
1667         }
1668
1669         public bool TryGetValue (K key, out V value)
1670         {
1671                 return dic.TryGetValue (key, out value);
1672         }
1673
1674         public ICollection<V> Values {
1675                 get { return dic.Values; }
1676         }
1677
1678         public V this [K key] {
1679                 get { return dic [key]; }
1680                 set { dic [key] = value; }
1681         }
1682
1683         IEnumerator IEnumerable.GetEnumerator ()
1684         {
1685                 return dic.GetEnumerator ();
1686         }
1687
1688         ICollection<KeyValuePair<K,V>> Coll {
1689                 get { return (ICollection<KeyValuePair<K,V>>) dic; }
1690         }
1691
1692         public void Add (KeyValuePair<K, V> item)
1693         {
1694                 Coll.Add (item);
1695         }
1696
1697         public void Clear ()
1698         {
1699                 dic.Clear ();
1700         }
1701
1702         public bool Contains (KeyValuePair<K, V> item)
1703         {
1704                 return Coll.Contains (item);
1705         }
1706
1707         public void CopyTo (KeyValuePair<K, V> [] array, int arrayIndex)
1708         {
1709                 Coll.CopyTo (array, arrayIndex);
1710         }
1711
1712         public int Count {
1713                 get { return dic.Count; }
1714         }
1715
1716         public bool IsReadOnly {
1717                 get { return Coll.IsReadOnly; }
1718         }
1719
1720         public bool Remove (KeyValuePair<K, V> item)
1721         {
1722                 return Coll.Remove (item);
1723         }
1724
1725         public IEnumerator<KeyValuePair<K, V>> GetEnumerator ()
1726         {
1727                 return Coll.GetEnumerator ();
1728         }
1729 }
1730