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GeezerVison is showing github.com — pythonnet/tests/test_generic.py at master · pythonnet/pythonnet Expand file tree/ Copy pathtest_generic.pyMore file actions 804 lines (639 loc) · 26.8 KB / Copy pathtest_generic.pyFile metadata and controls804 lines (639 loc) · 26.8 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 # -*- coding: utf-8 -*- """Test CLR generics support.""" import clr import System import pytest def assert_generic_wrapper_by_type(ptype, value): """Test Helper""" from Python.Test import GenericWrapper import System inst = GenericWrapper[ptype](value) assert inst.value == value atype = System.Array[ptype] items = atype([value, value, value]) inst = GenericWrapper[atype](items) assert len(inst.value) == 3 assert inst.value[0] == value assert inst.value[1] == value def assert_generic_method_by_type(ptype, value, test_type=0): """Test Helper""" from Python.Test import GenericMethodTest, GenericStaticMethodTest import System itype = GenericMethodTest[System.Type] stype = GenericStaticMethodTest[System.Type] # Explicit selection (static method) result = stype.Overloaded[ptype](value) if test_type: assert result.__class__ == value.__class__ else: assert result == value # Type inference (static method) result = stype.Overloaded(value) assert result == value if test_type: assert result.__class__ == value.__class__ else: assert result == value # Explicit selection (instance method) result = itype().Overloaded[ptype](value) assert result == value if test_type: assert result.__class__ == value.__class__ else: assert result == value # Type inference (instance method) result = itype().Overloaded(value) assert result == value if test_type: assert result.__class__ == value.__class__ else: assert result == value atype = System.Array[ptype] items = atype([value, value, value]) # Explicit selection (static method) result = stype.Overloaded[atype](items) if test_type: assert len(result) == 3 assert result[0].__class__ == value.__class__ assert result[1].__class__ == value.__class__ else: assert len(result) == 3 assert result[0] == value assert result[1] == value # Type inference (static method) result = stype.Overloaded(items) if test_type: assert len(result) == 3 assert result[0].__class__ == value.__class__ assert result[1].__class__ == value.__class__ else: assert len(result) == 3 assert result[0] == value assert result[1] == value # Explicit selection (instance method) result = itype().Overloaded[atype](items) if test_type: assert len(result) == 3 assert result[0].__class__ == value.__class__ assert result[1].__class__ == value.__class__ else: assert len(result) == 3 assert result[0] == value assert result[1] == value # Type inference (instance method) result = itype().Overloaded(items) if test_type: assert len(result) == 3 assert result[0].__class__ == value.__class__ assert result[1].__class__ == value.__class__ else: assert len(result) == 3 assert result[0] == value assert result[1] == value def test_python_type_aliasing(): """Test python type alias support with generics.""" from System.Collections.Generic import Dictionary dict_ = Dictionary[str, str]() assert dict_.Count == 0 dict_.Add("one", "one") assert dict_["one"] == "one" dict_ = Dictionary[System.String, System.String]() assert dict_.Count == 0 dict_.Add("one", "one") assert dict_["one"] == "one" dict_ = Dictionary[int, int]() assert dict_.Count == 0 dict_.Add(1, 1) assert dict_[1] == 1 dict_ = Dictionary[System.Int32, System.Int32]() assert dict_.Count == 0 dict_.Add(1, 1) assert dict_[1] == 1 dict_ = Dictionary[int, int]() assert dict_.Count == 0 dict_.Add(1, 1) assert dict_[1] == 1 dict_ = Dictionary[System.Int64, System.Int64]() assert dict_.Count == 0 dict_.Add(1, 1) assert dict_[1] == 1 dict_ = Dictionary[float, float]() assert dict_.Count == 0 dict_.Add(1.5, 1.5) assert dict_[1.5] == 1.5 dict_ = Dictionary[System.Double, System.Double]() assert dict_.Count == 0 dict_.Add(1.5, 1.5) assert dict_[1.5] == 1.5 dict_ = Dictionary[bool, bool]() assert dict_.Count == 0 dict_.Add(True, False) assert dict_[True] is False dict_ = Dictionary[System.Boolean, System.Boolean]() assert dict_.Count == 0 dict_.Add(True, False) assert dict_[True] is False def test_generic_reference_type(): """Test usage of generic reference type definitions.""" from Python.Test import GenericTypeDefinition inst = GenericTypeDefinition[System.String, System.Int32]("one", 2) assert inst.value1 == "one" assert inst.value2 == 2 def test_generic_value_type(): """Test usage of generic value type definitions.""" from System import Int32 from Python.Test import GenericStructConstructorTest ob = GenericStructConstructorTest[Int32](42) assert ob.Value == 42 def test_nullable(): """Test usage of Nullable[T] (special runtime handling).""" inst = System.Nullable[System.Int32](10) assert inst.HasValue assert inst.Value == 10 with pytest.raises(TypeError): inst = System.Nullable[System.Int32]() def test_generic_interface(): # TODO NotImplemented pass def test_generic_delegate(): # TODO NotImplemented pass def test_open_generic_type(): """Test behavior of reflected open constructed generic types.""" from Python.Test import DerivedFromOpenGeneric open_generic_type = DerivedFromOpenGeneric.__bases__[0] with pytest.raises(TypeError): _ = open_generic_type() with pytest.raises(TypeError): _ = open_generic_type[System.String] def test_derived_from_open_generic_type(): """Test a generic type derived from an open generic type.""" from Python.Test import DerivedFromOpenGeneric type_ = DerivedFromOpenGeneric[System.String, System.String] inst = type_(1, 'two', 'three') assert inst.value1 == 1 assert inst.value2 == 'two' assert inst.value3 == 'three' def test_generic_type_name_resolution(): """Test the ability to disambiguate generic type names.""" from Python.Test import GenericNameTest1, GenericNameTest2 # If both a non-generic and generic type exist for a name, the # unadorned name always resolves to the non-generic type. _class = GenericNameTest1 assert _class().value == 0 assert _class.value == 0 # If no non-generic type exists for a name, the unadorned name # cannot be instantiated. It can only be used to bind a generic. with pytest.raises(TypeError): _ = GenericNameTest2() _class = GenericNameTest2[int] assert _class().value == 1 assert _class.value == 1 _class = GenericNameTest2[int, int] assert _class().value == 2 assert _class.value == 2 def test_generic_type_binding(): """Test argument conversion / binding for generic methods.""" from Python.Test import InterfaceTest, ISayHello1, ShortEnum import System assert_generic_wrapper_by_type(System.Boolean, True) assert_generic_wrapper_by_type(bool, True) assert_generic_wrapper_by_type(System.Byte, 255) assert_generic_wrapper_by_type(System.SByte, 127) assert_generic_wrapper_by_type(System.Char, u'A') assert_generic_wrapper_by_type(System.Int16, 32767) assert_generic_wrapper_by_type(System.Int32, 2147483647) assert_generic_wrapper_by_type(int, 2147483647) assert_generic_wrapper_by_type(System.Int64, 9223372036854775807) assert_generic_wrapper_by_type(System.UInt16, 65000) assert_generic_wrapper_by_type(System.UInt32, 4294967295) assert_generic_wrapper_by_type(System.UInt64, 18446744073709551615) assert_generic_wrapper_by_type(System.Single, System.Single(3.402823e38)) assert_generic_wrapper_by_type(System.Double, 1.7976931348623157e308) assert_generic_wrapper_by_type(float, 1.7976931348623157e308) assert_generic_wrapper_by_type(System.Decimal, System.Decimal.One) assert_generic_wrapper_by_type(System.String, "test") assert_generic_wrapper_by_type(str, "test") assert_generic_wrapper_by_type(ShortEnum, ShortEnum.Zero) assert_generic_wrapper_by_type(System.Object, InterfaceTest()) assert_generic_wrapper_by_type(InterfaceTest, InterfaceTest()) assert_generic_wrapper_by_type(ISayHello1, InterfaceTest()) def test_generic_method_binding(): from Python.Test import GenericMethodTest, GenericStaticMethodTest from System import InvalidOperationException # Can invoke a static member on a closed generic type. value = GenericStaticMethodTest[str].Overloaded() assert value == 1 with pytest.raises(InvalidOperationException): # Cannot invoke a static member on an open type. GenericStaticMethodTest.Overloaded() # Can invoke an instance member on a closed generic type. value = GenericMethodTest[str]().Overloaded() assert value == 1 with pytest.raises(TypeError): # Cannot invoke an instance member on an open type, # because the open type cannot be instantiated. GenericMethodTest().Overloaded() def test_generic_method_type_handling(): """Test argument conversion / binding for generic methods.""" from Python.Test import InterfaceTest, ISayHello1, ShortEnum import System # FIXME: Fails because Converter.GetTypeByAlias returns int32 for any integer, including ulong # assert_generic_method_by_type(System.UInt64, 18446744073709551615) assert_generic_method_by_type(System.Boolean, True) assert_generic_method_by_type(bool, True) assert_generic_method_by_type(System.Byte, 255) assert_generic_method_by_type(System.SByte, 127) assert_generic_method_by_type(System.Char, u'A') assert_generic_method_by_type(System.Int16, 32767) assert_generic_method_by_type(System.Int32, 2147483647) assert_generic_method_by_type(int, 2147483647) assert_generic_method_by_type(System.UInt16, 65000) assert_generic_method_by_type(System.Single, System.Single(3.402823e38)) assert_generic_method_by_type(System.Double, 1.7976931348623157e308) assert_generic_method_by_type(float, 1.7976931348623157e308) assert_generic_method_by_type(System.Decimal, System.Decimal.One) assert_generic_method_by_type(System.String, "test") assert_generic_method_by_type(str, "test") assert_generic_method_by_type(ShortEnum, ShortEnum.Zero) assert_generic_method_by_type(System.Object, InterfaceTest()) assert_generic_method_by_type(InterfaceTest, InterfaceTest(), 1) def test_correct_overload_selection(): """Test correct overloading selection for common types.""" from System import (String, Double, Single, Int16, Int32, Int64) from System import Math substr = String("substring") assert substr.Substring(2) == substr.Substring.__overloads__[Int32]( Int32(2)) assert substr.Substring(2, 3) == substr.Substring.__overloads__[Int32, Int32]( Int32(2), Int32(3)) for atype, value1, value2 in zip([Double, Single, Int16, Int32, Int64], [1.0, 1.0, 1, 1, 1], [2.0, 0.5, 2, 0, -1]): assert Math.Abs(atype(value1)) == Math.Abs.__overloads__[atype](atype(value1)) assert Math.Abs(value1) == Math.Abs.__overloads__[atype](atype(value1)) assert Math.Max(atype(value1), atype(value2)) == Math.Max.__overloads__[atype, atype]( atype(value1), atype(value2)) assert Math.Max(atype(value1), value2) == Math.Max.__overloads__[atype, atype]( atype(value1), atype(value2)) clr.AddReference("System.Runtime.InteropServices") from System.Runtime.InteropServices import GCHandle, GCHandleType from System import Array, Byte cs_array = Array.CreateInstance(Byte, 1000) handler = GCHandle.Alloc(cs_array, GCHandleType.Pinned) def test_generic_method_overload_selection(): """Test explicit overload selection with generic methods.""" from Python.Test import GenericMethodTest, GenericStaticMethodTest type = GenericStaticMethodTest[str] inst = GenericMethodTest[str]() # public static int Overloaded() value = type.Overloaded() assert value == 1 # public int Overloaded() value = inst.Overloaded() assert value == 1 # public static T Overloaded(T arg) (inferred) value = type.Overloaded("test") assert value == "test" # public T Overloaded(T arg) (inferred) value = inst.Overloaded("test") assert value == "test" # public static T Overloaded(T arg) (explicit) value = type.Overloaded[str]("test") assert value == "test" # public T Overloaded(T arg) (explicit) value = inst.Overloaded[str]("test") assert value == "test" # public static Q Overloaded<Q>(Q arg) value = type.Overloaded[float](2.2) assert value == 2.2 # public Q Overloaded<Q>(Q arg) value = inst.Overloaded[float](2.2) assert value == 2.2 # public static Q Overloaded<Q>(Q arg) value = type.Overloaded[bool](True) assert value is True # public Q Overloaded<Q>(Q arg) value = inst.Overloaded[bool](True) assert value is True # public static U Overloaded<Q, U>(Q arg1, U arg2) value = type.Overloaded[bool, str](True, "true") assert value == "true" # public U Overloaded<Q, U>(Q arg1, U arg2) value = inst.Overloaded[bool, str](True, "true") assert value == "true" # public static U Overloaded<Q, U>(Q arg1, U arg2) value = type.Overloaded[str, bool]("true", True) assert value is True # public U Overloaded<Q, U>(Q arg1, U arg2) value = inst.Overloaded[str, bool]("true", True) assert value is True # public static string Overloaded<T>(int arg1, int arg2, string arg3) value = type.Overloaded[str](123, 456, "success") assert value == "success" # public string Overloaded<T>(int arg1, int arg2, string arg3) value = inst.Overloaded[str](123, 456, "success") assert value == "success" with pytest.raises(TypeError): _ = type.Overloaded[str, bool, int]("true", True, 1) with pytest.raises(TypeError): _ = inst.Overloaded[str, bool, int]("true", True, 1) def test_method_overload_selection_with_generic_types(): """Check method overload selection using generic types.""" from Python.Test import ISayHello1, InterfaceTest, ShortEnum from Python.Test import MethodTest, GenericWrapper inst = InterfaceTest() vtype = GenericWrapper[System.Boolean] input_ = vtype(True) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value is True vtype = GenericWrapper[bool] input_ = vtype(True) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value is True vtype = GenericWrapper[System.Byte] input_ = vtype(255) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 255 vtype = GenericWrapper[System.SByte] input_ = vtype(127) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 127 vtype = GenericWrapper[System.Char] input_ = vtype(u'A') value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == u'A' vtype = GenericWrapper[System.Char] input_ = vtype(65535) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == chr(65535) vtype = GenericWrapper[System.Int16] input_ = vtype(32767) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 32767 vtype = GenericWrapper[System.Int32] input_ = vtype(2147483647) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 2147483647 vtype = GenericWrapper[int] input_ = vtype(2147483647) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 2147483647 vtype = GenericWrapper[System.Int64] input_ = vtype(9223372036854775807) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 9223372036854775807 vtype = GenericWrapper[System.UInt16] input_ = vtype(65000) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 65000 vtype = GenericWrapper[System.UInt32] input_ = vtype(4294967295) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 4294967295 vtype = GenericWrapper[System.UInt64] input_ = vtype(18446744073709551615) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 18446744073709551615 vtype = GenericWrapper[System.Single] input_ = vtype(3.402823e38) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == System.Single(3.402823e38) vtype = GenericWrapper[System.Double] input_ = vtype(1.7976931348623157e308) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 1.7976931348623157e308 vtype = GenericWrapper[float] input_ = vtype(1.7976931348623157e308) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == 1.7976931348623157e308 vtype = GenericWrapper[System.Decimal] input_ = vtype(System.Decimal.One) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == System.Decimal.One vtype = GenericWrapper[System.String] input_ = vtype("spam") value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == "spam" vtype = GenericWrapper[str] input_ = vtype("spam") value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == "spam" vtype = GenericWrapper[ShortEnum] input_ = vtype(ShortEnum.Zero) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value == ShortEnum.Zero vtype = GenericWrapper[System.Object] input_ = vtype(inst) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value.__class__ == inst.__class__ vtype = GenericWrapper[InterfaceTest] input_ = vtype(inst) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value.__class__ == inst.__class__ iface_class = ISayHello1(inst).__class__ vtype = GenericWrapper[ISayHello1] input_ = vtype(inst) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value.value.__class__ == iface_class vtype = System.Array[GenericWrapper[int]] input_ = vtype([GenericWrapper[int](0), GenericWrapper[int](1)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 0 assert value[1].value == 1 def test_overload_selection_with_arrays_of_generic_types(): """Check overload selection using arrays of generic types.""" from Python.Test import ISayHello1, InterfaceTest, ShortEnum from Python.Test import MethodTest, GenericWrapper inst = InterfaceTest() gtype = GenericWrapper[System.Boolean] vtype = System.Array[gtype] input_ = vtype([gtype(True), gtype(True)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value is True assert value.Length == 2 gtype = GenericWrapper[bool] vtype = System.Array[gtype] input_ = vtype([gtype(True), gtype(True)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value is True assert value.Length == 2 gtype = GenericWrapper[System.Byte] vtype = System.Array[gtype] input_ = vtype([gtype(255), gtype(255)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 255 assert value.Length == 2 gtype = GenericWrapper[System.SByte] vtype = System.Array[gtype] input_ = vtype([gtype(127), gtype(127)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 127 assert value.Length == 2 gtype = GenericWrapper[System.Char] vtype = System.Array[gtype] input_ = vtype([gtype(u'A'), gtype(u'A')]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == u'A' assert value.Length == 2 gtype = GenericWrapper[System.Char] vtype = System.Array[gtype] input_ = vtype([gtype(65535), gtype(65535)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == chr(65535) assert value.Length == 2 gtype = GenericWrapper[System.Int16] vtype = System.Array[gtype] input_ = vtype([gtype(32767), gtype(32767)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 32767 assert value.Length == 2 gtype = GenericWrapper[System.Int32] vtype = System.Array[gtype] input_ = vtype([gtype(2147483647), gtype(2147483647)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 2147483647 assert value.Length == 2 gtype = GenericWrapper[int] vtype = System.Array[gtype] input_ = vtype([gtype(2147483647), gtype(2147483647)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 2147483647 assert value.Length == 2 gtype = GenericWrapper[System.Int64] vtype = System.Array[gtype] input_ = vtype([gtype(9223372036854775807), gtype(9223372036854775807)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 9223372036854775807 assert value.Length == 2 gtype = GenericWrapper[System.UInt16] vtype = System.Array[gtype] input_ = vtype([gtype(65000), gtype(65000)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 65000 assert value.Length == 2 gtype = GenericWrapper[System.UInt32] vtype = System.Array[gtype] input_ = vtype([gtype(4294967295), gtype(4294967295)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 4294967295 assert value.Length == 2 gtype = GenericWrapper[System.UInt64] vtype = System.Array[gtype] input_ = vtype([gtype(18446744073709551615), gtype(18446744073709551615)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 18446744073709551615 assert value.Length == 2 gtype = GenericWrapper[System.Single] vtype = System.Array[gtype] input_ = vtype([gtype(3.402823e38), gtype(3.402823e38)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == System.Single(3.402823e38) assert value.Length == 2 gtype = GenericWrapper[System.Double] vtype = System.Array[gtype] input_ = vtype([gtype(1.7976931348623157e308), gtype(1.7976931348623157e308)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 1.7976931348623157e308 assert value.Length == 2 gtype = GenericWrapper[float] vtype = System.Array[gtype] input_ = vtype([gtype(1.7976931348623157e308), gtype(1.7976931348623157e308)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == 1.7976931348623157e308 assert value.Length == 2 gtype = GenericWrapper[System.Decimal] vtype = System.Array[gtype] input_ = vtype([gtype(System.Decimal.One), gtype(System.Decimal.One)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == System.Decimal.One assert value.Length == 2 gtype = GenericWrapper[System.String] vtype = System.Array[gtype] input_ = vtype([gtype("spam"), gtype("spam")]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == "spam" assert value.Length == 2 gtype = GenericWrapper[str] vtype = System.Array[gtype] input_ = vtype([gtype("spam"), gtype("spam")]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == "spam" assert value.Length == 2 gtype = GenericWrapper[ShortEnum] vtype = System.Array[gtype] input_ = vtype([gtype(ShortEnum.Zero), gtype(ShortEnum.Zero)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value == ShortEnum.Zero assert value.Length == 2 gtype = GenericWrapper[System.Object] vtype = System.Array[gtype] input_ = vtype([gtype(inst), gtype(inst)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value.__class__ == inst.__class__ assert value.Length == 2 gtype = GenericWrapper[InterfaceTest] vtype = System.Array[gtype] input_ = vtype([gtype(inst), gtype(inst)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value.__class__ == inst.__class__ assert value.Length == 2 iface_class = ISayHello1(inst).__class__ gtype = GenericWrapper[ISayHello1] vtype = System.Array[gtype] input_ = vtype([gtype(inst), gtype(inst)]) value = MethodTest.Overloaded.__overloads__[vtype](input_) assert value[0].value.__class__ == iface_class assert value.Length == 2 def test_generic_overload_selection_magic_name_only(): """Test using only __overloads__ to select on type & sig""" # TODO NotImplemented pass def test_nested_generic_class(): """Check nested generic classes.""" # TODO NotImplemented pass def test_missing_generic_type(): from System.Collections import IList with pytest.raises(TypeError): IList[bool] # https://github.com/pythonnet/pythonnet/issues/1522 def test_overload_generic_parameter(): from Python.Test import MethodTest, MethodTestSub inst = MethodTest() generic = MethodTestSub() inst.OverloadedConstrainedGeneric(generic) inst.OverloadedConstrainedGeneric[MethodTestSub](generic) inst.OverloadedConstrainedGeneric[MethodTestSub](generic, '42') inst.OverloadedConstrainedGeneric[MethodTestSub](generic, System.String('42')) def test_invalid_generic_type_parameter(): from Python.Test import GenericTypeWithConstraint with pytest.raises(TypeError): GenericTypeWithConstraint[System.Object] def test_invalid_generic_method_type_parameter(): from Python.Test import ConversionTest with pytest.raises(TypeError): ConversionTest.Echo[System.Object] def test_generic_list_array_conversion(): """Test conversion of lists to generic array arguments.""" from Python.Test import GenericArrayConversionTest from Python.Test import Spam items = [] for i in range(10): items.append(Spam(str(i))) result = GenericArrayConversionTest.EchoRange[Spam](items) assert result[0].__class__ == Spam assert len(result) == 10 # Currently raises an exception because the correct generic type parameter is not inferred with pytest.raises(TypeError): result = GenericArrayConversionTest.EchoRange(items) assert result[0].__class__ == Spam assert len(result) == 10 |
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