libstdc++-v3/testsuite/util/testsuite_tr1.h

   1 // -*- C++ -*-
   2 // Testing utilities for the tr1 testsuite.
   3 //
   4 // Copyright (C) 2004-2025 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20 //
  21
  22 #ifndef _GLIBCXX_TESTSUITE_TR1_H
  23 #define _GLIBCXX_TESTSUITE_TR1_H
  24
  25 #include <ext/type_traits.h>
  26 #include <testsuite_hooks.h>
  27
  28 namespace __gnu_test
  29 {
  30   // For tr1/type_traits.
  31   template<template<typename> class Category, typename Type>
  32 #if __cplusplus >= 201103L
  33     constexpr
  34 #endif
  35     bool
  36     test_category(bool value)
  37     {
  38       return (Category<Type>::value == value
  39               && Category<const Type>::value == value
  40               && Category<volatile Type>::value == value
  41               && Category<const volatile Type>::value == value
  42               && Category<Type>::type::value == value
  43               && Category<const Type>::type::value == value
  44               && Category<volatile Type>::type::value == value
  45               && Category<const volatile Type>::type::value == value);
  46     }
  47
  48   // For testing tr1/type_traits/extent, which has a second template
  49   // parameter.
  50   template<template<typename, unsigned> class Property,
  51            typename Type, unsigned Uint>
  52 #if __cplusplus >= 201103L
  53     constexpr
  54 #endif
  55     bool
  56     test_property(typename Property<Type, Uint>::value_type value)
  57     {
  58       return (Property<Type, Uint>::value == value
  59               && Property<Type, Uint>::type::value == value);
  60     }
  61
  62 #if __cplusplus >= 201103L
  63   template<template<typename...> class Property,
  64            typename Type1, typename... Types>
  65     constexpr bool
  66     test_property(typename Property<Type1, Types...>::value_type value)
  67     {
  68       return (Property<Type1, Types...>::value == value
  69               && Property<Type1, Types...>::type::value == value);
  70     }
  71 #else
  72   template<template<typename> class Property, typename Type>
  73     bool
  74     test_property(typename Property<Type>::value_type value)
  75     {
  76       return (Property<Type>::value == value
  77               && Property<Type>::type::value == value);
  78     }
  79 #endif
  80
  81   template<template<typename, typename> class Relationship,
  82            typename Type1, typename Type2>
  83 #if __cplusplus >= 201103L
  84     constexpr
  85 #endif
  86     bool
  87     test_relationship(bool value)
  88     {
  89       return (Relationship<Type1, Type2>::value == value
  90               && Relationship<Type1, Type2>::type::value == value);
  91     }
  92
  93   // Test types.
  94   class ClassType { };
  95   typedef const ClassType           cClassType;
  96   typedef volatile ClassType        vClassType;
  97   typedef const volatile ClassType  cvClassType;
  98
  99   class DerivedType : public ClassType { };
 100
 101 #if __cplusplus >= 201103L
 102   class FinalType final : public DerivedType { };
 103 #endif
 104
 105   enum EnumType { e0 };
 106
 107   struct ConvType
 108   { operator int() const; };
 109
 110   class AbstractClass
 111   {
 112     virtual void rotate(int) = 0;
 113   };
 114
 115   class PolymorphicClass
 116   {
 117     virtual void rotate(int);
 118   };
 119
 120   class DerivedPolymorphic : public PolymorphicClass { };
 121
 122   class VirtualDestructorClass
 123   {
 124     virtual ~VirtualDestructorClass();
 125   };
 126
 127   union UnionType { };
 128
 129   union IncompleteUnion;
 130
 131   class IncompleteClass;
 132
 133   struct ExplicitClass
 134   {
 135     ExplicitClass(double&);
 136     explicit ExplicitClass(int&);
 137     ExplicitClass(double&, int&, double&);
 138   };
 139
 140   struct NothrowExplicitClass
 141   {
 142     NothrowExplicitClass(double&) throw();
 143     explicit NothrowExplicitClass(int&) throw();
 144     NothrowExplicitClass(double&, int&, double&) throw();
 145   };
 146
 147   struct ThrowExplicitClass
 148   {
 149     ThrowExplicitClass(double&) THROW(int);
 150     explicit ThrowExplicitClass(int&) THROW(int);
 151     ThrowExplicitClass(double&, int&, double&) THROW(int);
 152   };
 153
 154   struct ThrowDefaultClass
 155   {
 156     ThrowDefaultClass() THROW(int);
 157   };
 158
 159   struct ThrowCopyConsClass
 160   {
 161     ThrowCopyConsClass(const ThrowCopyConsClass&) THROW(int);
 162   };
 163
 164 #if __cplusplus >= 201103L
 165   struct ThrowMoveConsClass
 166   {
 167     ThrowMoveConsClass(ThrowMoveConsClass&&) noexcept(false);
 168   };
 169
 170   struct NoexceptExplicitClass
 171   {
 172     NoexceptExplicitClass(double&) noexcept(true);
 173     explicit NoexceptExplicitClass(int&) noexcept(true);
 174     NoexceptExplicitClass(double&, int&, double&) noexcept(true);
 175   };
 176
 177   struct ExceptExplicitClass
 178   {
 179     ExceptExplicitClass(double&) noexcept(false);
 180     explicit ExceptExplicitClass(int&) noexcept(false);
 181     ExceptExplicitClass(double&, int&, double&) noexcept(false);
 182   };
 183
 184   struct NoexceptDefaultClass
 185   {
 186     NoexceptDefaultClass() noexcept(true);
 187   };
 188
 189   struct ExceptDefaultClass
 190   {
 191     ExceptDefaultClass() noexcept(false);
 192   };
 193
 194   struct NoexceptCopyConsClass
 195   {
 196     NoexceptCopyConsClass(const NoexceptCopyConsClass&) noexcept(true);
 197   };
 198
 199   struct ExceptCopyConsClass
 200   {
 201     ExceptCopyConsClass(const ExceptCopyConsClass&) noexcept(false);
 202   };
 203
 204   struct NoexceptMoveConsClass
 205   {
 206     NoexceptMoveConsClass(NoexceptMoveConsClass&&) noexcept(true);
 207     NoexceptMoveConsClass& operator=(NoexceptMoveConsClass&&) = default;
 208   };
 209
 210   struct ExceptMoveConsClass
 211   {
 212     ExceptMoveConsClass(ExceptMoveConsClass&&) noexcept(false);
 213   };
 214
 215   struct NoexceptCopyAssignClass
 216   {
 217     NoexceptCopyAssignClass&
 218     operator=(const NoexceptCopyAssignClass&) noexcept(true);
 219   };
 220
 221   struct ExceptCopyAssignClass
 222   {
 223     ExceptCopyAssignClass&
 224     operator=(const ExceptCopyAssignClass&) noexcept(false);
 225   };
 226
 227   struct NoexceptMoveAssignClass
 228   {
 229     NoexceptMoveAssignClass(NoexceptMoveAssignClass&&) = default;
 230     NoexceptMoveAssignClass&
 231     operator=(NoexceptMoveAssignClass&&) noexcept(true);
 232   };
 233
 234   struct ExceptMoveAssignClass
 235   {
 236     ExceptMoveAssignClass&
 237     operator=(ExceptMoveAssignClass&&) noexcept(false);
 238   };
 239
 240   struct DeletedCopyAssignClass
 241   {
 242     DeletedCopyAssignClass&
 243     operator=(const DeletedCopyAssignClass&) = delete;
 244   };
 245
 246   struct DeletedMoveAssignClass
 247   {
 248     DeletedMoveAssignClass&
 249     operator=(DeletedMoveAssignClass&&) = delete;
 250   };
 251
 252   struct NoexceptMoveConsNoexceptMoveAssignClass
 253   {
 254     NoexceptMoveConsNoexceptMoveAssignClass
 255     (NoexceptMoveConsNoexceptMoveAssignClass&&) noexcept(true);
 256
 257     NoexceptMoveConsNoexceptMoveAssignClass&
 258     operator=(NoexceptMoveConsNoexceptMoveAssignClass&&) noexcept(true);
 259   };
 260
 261   struct ExceptMoveConsNoexceptMoveAssignClass
 262   {
 263     ExceptMoveConsNoexceptMoveAssignClass
 264     (ExceptMoveConsNoexceptMoveAssignClass&&) noexcept(false);
 265
 266     ExceptMoveConsNoexceptMoveAssignClass&
 267     operator=(ExceptMoveConsNoexceptMoveAssignClass&&) noexcept(true);
 268   };
 269
 270   struct NoexceptMoveConsExceptMoveAssignClass
 271   {
 272     NoexceptMoveConsExceptMoveAssignClass
 273     (NoexceptMoveConsExceptMoveAssignClass&&) noexcept(true);
 274
 275     NoexceptMoveConsExceptMoveAssignClass&
 276     operator=(NoexceptMoveConsExceptMoveAssignClass&&) noexcept(false);
 277   };
 278
 279   struct ExceptMoveConsExceptMoveAssignClass
 280   {
 281     ExceptMoveConsExceptMoveAssignClass
 282     (ExceptMoveConsExceptMoveAssignClass&&) noexcept(false);
 283
 284     ExceptMoveConsExceptMoveAssignClass&
 285     operator=(ExceptMoveConsExceptMoveAssignClass&&) noexcept(false);
 286   };
 287 #endif
 288
 289   struct NType   // neither trivial nor standard-layout
 290   {
 291     int i;
 292     int j;
 293     virtual ~NType();
 294   };
 295
 296   struct TType   // trivial but not standard-layout
 297   {
 298     int i;
 299   private:
 300     int j;
 301   };
 302
 303   struct SLType  // standard-layout but not trivial
 304   {
 305     int i;
 306     int j;
 307     ~SLType();
 308   };
 309
 310   struct PODType // both trivial and standard-layout
 311   {
 312     int i;
 313     int j;
 314   };
 315
 316 #if __cplusplus >= 201103L
 317   struct LType // literal type
 318   {
 319     int _M_i;
 320
 321     constexpr LType(int __i) : _M_i(__i) { }
 322   };
 323
 324   struct LTypeDerived : public LType
 325   {
 326     constexpr LTypeDerived(int __i) : LType(__i) { }
 327   };
 328
 329   struct NLType // not literal type
 330   {
 331     int _M_i;
 332
 333     NLType() : _M_i(0) { }
 334
 335     constexpr NLType(int __i) : _M_i(__i) { }
 336
 337     NLType(const NLType& __other) : _M_i(__other._M_i) { }
 338
 339     ~NLType() { _M_i = 0; }
 340   };
 341 #endif
 342
 343   int truncate_float(float x) { return (int)x; }
 344   long truncate_double(double x) { return (long)x; }
 345
 346   struct do_truncate_float_t
 347   {
 348     do_truncate_float_t()
 349     {
 350       ++live_objects;
 351     }
 352
 353     do_truncate_float_t(const do_truncate_float_t&)
 354     {
 355       ++live_objects;
 356     }
 357
 358     ~do_truncate_float_t()
 359     {
 360       --live_objects;
 361     }
 362
 363     int operator()(float x) { return (int)x; }
 364
 365     static int live_objects;
 366   };
 367
 368   int do_truncate_float_t::live_objects = 0;
 369
 370   struct do_truncate_double_t
 371   {
 372     do_truncate_double_t()
 373     {
 374      ++live_objects;
 375     }
 376
 377     do_truncate_double_t(const do_truncate_double_t&)
 378     {
 379       ++live_objects;
 380     }
 381
 382     ~do_truncate_double_t()
 383     {
 384       --live_objects;
 385     }
 386
 387     long operator()(double x) { return (long)x; }
 388
 389     static int live_objects;
 390   };
 391
 392   int do_truncate_double_t::live_objects = 0;
 393
 394   struct X
 395   {
 396     int bar;
 397
 398     int foo()                   { return 1; }
 399     int foo_c() const           { return 2; }
 400     int foo_v()  volatile       { return 3; }
 401     int foo_cv() const volatile { return 4; }
 402   };
 403
 404   // For use in 8_c_compatibility.
 405   template<typename R, typename T>
 406     typename __gnu_cxx::__enable_if<std::__are_same<R, T>::__value,
 407                                     bool>::__type
 408     check_ret_type(T)
 409     { return true; }
 410
 411 #if __cplusplus >= 201103L
 412   namespace construct
 413   {
 414     struct Empty {};
 415
 416     struct B { int i; B(){} };
 417     struct D : B {};
 418
 419     enum E { ee1 };
 420     enum E2 { ee2 };
 421     enum class SE { e1 };
 422     enum class SE2 { e2 };
 423
 424     enum OpE : int;
 425     enum class OpSE : bool;
 426
 427     union U { int i; Empty b; };
 428
 429     struct Abstract
 430     {
 431       virtual ~Abstract() = 0;
 432     };
 433
 434     struct AbstractDelDtor
 435     {
 436       ~AbstractDelDtor() = delete;
 437       virtual void foo() = 0;
 438     };
 439
 440     struct Ukn;
 441
 442     template<class To>
 443       struct ImplicitTo
 444       {
 445         operator To();
 446       };
 447
 448     template<class To>
 449       struct DelImplicitTo
 450       {
 451         operator To() = delete;
 452       };
 453
 454     template<class To>
 455       struct ExplicitTo
 456       {
 457         explicit operator To();
 458       };
 459
 460     struct Ellipsis
 461     {
 462       Ellipsis(...){}
 463     };
 464
 465     struct DelEllipsis
 466     {
 467       DelEllipsis(...) = delete;
 468     };
 469
 470     struct Any
 471     {
 472       template<class T>
 473       Any(T&&){}
 474     };
 475
 476     struct nAny
 477     {
 478       template<class... T>
 479       nAny(T&&...){}
 480     };
 481
 482     struct DelnAny
 483     {
 484       template<class... T>
 485         DelnAny(T&&...) = delete;
 486     };
 487
 488     template<class... Args>
 489       struct FromArgs
 490       {
 491         FromArgs(Args...);
 492       };
 493
 494     struct DelDef
 495     {
 496       DelDef() = delete;
 497     };
 498
 499     struct DelCopy
 500     {
 501       DelCopy(const DelCopy&) = delete;
 502     };
 503
 504     struct DelDtor
 505     {
 506       DelDtor() = default;
 507       DelDtor(const DelDtor&) = default;
 508       DelDtor(DelDtor&&) = default;
 509       DelDtor(int);
 510       DelDtor(int, B, U);
 511       ~DelDtor() = delete;
 512     };
 513
 514     struct Nontrivial
 515     {
 516       Nontrivial();
 517       Nontrivial(const Nontrivial&);
 518       Nontrivial& operator=(const Nontrivial&);
 519       ~Nontrivial();
 520     };
 521
 522     union NontrivialUnion
 523     {
 524       int i;
 525       Nontrivial n;
 526     };
 527
 528     struct UnusualCopy
 529     {
 530       UnusualCopy(UnusualCopy&);
 531     };
 532   }
 533
 534   namespace destruct
 535   {
 536     struct E
 537     {};
 538
 539     struct NTD1
 540     {
 541       ~NTD1() = default;
 542     };
 543
 544     struct NTD2
 545     {
 546       ~NTD2();
 547     };
 548
 549     struct NTD3
 550     {
 551       ~NTD3() throw();
 552     };
 553
 554     struct TD1
 555     {
 556       ~TD1() noexcept(false);
 557     };
 558
 559     struct TD2
 560     {
 561       ~TD2() THROW(int);
 562     };
 563
 564     struct Aggr
 565     {
 566       int i;
 567       bool b;
 568       E e;
 569     };
 570
 571     struct Aggr2
 572     {
 573       int i;
 574       bool b;
 575       TD1 r;
 576     };
 577
 578     struct Del
 579     {
 580       ~Del() = delete;
 581     };
 582
 583     struct Del2
 584     {
 585       ~Del2() noexcept = delete;
 586     };
 587
 588     struct Del3
 589     {
 590       ~Del3() noexcept(false) = delete;
 591     };
 592
 593     struct Der : Aggr
 594     {};
 595
 596     struct Der2 : Aggr2
 597     {};
 598
 599     union U1
 600     {
 601       int i;
 602       double d;
 603       void* p;
 604       TD1* pt;
 605     };
 606
 607     union Ut
 608     {
 609       int i;
 610       double d;
 611       void* p;
 612       TD1 pt;
 613     };
 614
 615     enum class En { a, b, c, d };
 616     enum En2 { En2a, En2b, En2c, En2d };
 617
 618     enum OpE : int;
 619     enum class OpSE : bool;
 620
 621     struct Abstract1
 622     {
 623       virtual ~Abstract1() = 0;
 624     };
 625
 626     struct AbstractDelDtor
 627     {
 628       ~AbstractDelDtor() = delete;
 629       virtual void foo() = 0;
 630     };
 631
 632     struct Abstract2
 633     {
 634       virtual ~Abstract2() noexcept(false) = 0;
 635     };
 636
 637     struct Abstract3
 638     {
 639       ~Abstract3() noexcept(false);
 640       virtual void foo() noexcept = 0;
 641     };
 642
 643     struct Nontrivial
 644     {
 645       Nontrivial();
 646       Nontrivial(const Nontrivial&);
 647       Nontrivial& operator=(const Nontrivial&);
 648       ~Nontrivial();
 649     };
 650
 651     union NontrivialUnion
 652     {
 653       int i;
 654       Nontrivial n;
 655     };
 656
 657     struct UnusualCopy
 658     {
 659       UnusualCopy(UnusualCopy&);
 660     };
 661
 662     struct Ellipsis
 663     {
 664       Ellipsis(...){}
 665     };
 666
 667     struct DelEllipsis
 668     {
 669       DelEllipsis(...) = delete;
 670     };
 671
 672     struct DelDef
 673     {
 674       DelDef() = delete;
 675     };
 676
 677     struct DelCopy
 678     {
 679       DelCopy(const DelCopy&) = delete;
 680     };
 681   }
 682
 683   namespace assign
 684   {
 685     struct Empty {};
 686
 687     struct B { int i; B(){} };
 688     struct D : B {};
 689
 690     enum E { ee1 };
 691     enum E2 { ee2 };
 692     enum class SE { e1 };
 693     enum class SE2 { e2 };
 694
 695     enum OpE : int;
 696     enum class OpSE : bool;
 697
 698     union U { int i; Empty b; };
 699
 700     union UAssignAll
 701     {
 702       bool b;
 703       char c;
 704       template<class T>
 705       void operator=(T&&);
 706     };
 707
 708     union UDelAssignAll
 709     {
 710       bool b;
 711       char c;
 712       template<class T>
 713       void operator=(T&&) = delete;
 714     };
 715
 716     struct Abstract
 717     {
 718       virtual ~Abstract() = 0;
 719     };
 720
 721     struct AbstractDelDtor
 722     {
 723       ~AbstractDelDtor() = delete;
 724       virtual void foo() = 0;
 725     };
 726
 727     struct Ukn;
 728
 729     template<class To>
 730       struct ImplicitTo
 731       {
 732         operator To();
 733       };
 734
 735     template<class To>
 736       struct ExplicitTo
 737       {
 738         explicit operator To();
 739       };
 740
 741     template<class To>
 742       struct DelImplicitTo
 743       {
 744         operator To() = delete;
 745       };
 746
 747     template<class To>
 748       struct DelExplicitTo
 749       {
 750         explicit operator To() = delete;
 751       };
 752
 753     struct Ellipsis
 754     {
 755       Ellipsis(...){}
 756     };
 757
 758     struct DelEllipsis
 759     {
 760       DelEllipsis(...) = delete;
 761     };
 762
 763     struct Any
 764     {
 765       template<class T>
 766         Any(T&&){}
 767     };
 768
 769     struct nAny
 770     {
 771       template<class... T>
 772         nAny(T&&...){}
 773     };
 774
 775     struct DelnAny
 776     {
 777       template<class... T>
 778         DelnAny(T&&...) = delete;
 779     };
 780
 781     template<class... Args>
 782       struct FromArgs
 783       {
 784         FromArgs(Args...);
 785       };
 786
 787     template<class... Args>
 788       struct DelFromArgs
 789       {
 790         DelFromArgs(Args...) = delete;
 791       };
 792
 793     struct DelDef
 794     {
 795       DelDef() = delete;
 796     };
 797
 798     struct DelCopy
 799     {
 800       DelCopy(const DelCopy&) = delete;
 801     };
 802
 803     struct DelDtor
 804     {
 805       DelDtor() = default;
 806       DelDtor(const DelDtor&) = default;
 807       DelDtor(DelDtor&&) = default;
 808       DelDtor(int);
 809       DelDtor(int, B, U);
 810       ~DelDtor() = delete;
 811     };
 812
 813     struct Nontrivial
 814     {
 815       Nontrivial();
 816       Nontrivial(const Nontrivial&);
 817       Nontrivial& operator=(const Nontrivial&);
 818       ~Nontrivial();
 819     };
 820
 821     union NontrivialUnion
 822     {
 823       int i;
 824       Nontrivial n;
 825     };
 826
 827     struct UnusualCopy
 828     {
 829       UnusualCopy(UnusualCopy&);
 830     };
 831
 832     struct AnyAssign
 833     {
 834       template<class T>
 835         void operator=(T&&);
 836     };
 837
 838     struct DelAnyAssign
 839     {
 840       template<class T>
 841         void operator=(T&&) = delete;
 842     };
 843
 844     struct DelCopyAssign
 845     {
 846       DelCopyAssign& operator=(const DelCopyAssign&) = delete;
 847       DelCopyAssign& operator=(DelCopyAssign&&) = default;
 848     };
 849
 850     struct MO
 851     {
 852       MO(MO&&) = default;
 853       MO& operator=(MO&&) = default;
 854     };
 855   }
 856
 857   struct CopyConsOnlyType
 858   {
 859     CopyConsOnlyType(int) { }
 860     CopyConsOnlyType(CopyConsOnlyType&&) = delete;
 861     CopyConsOnlyType(const CopyConsOnlyType&) = default;
 862     CopyConsOnlyType& operator=(const CopyConsOnlyType&) = delete;
 863     CopyConsOnlyType& operator=(CopyConsOnlyType&&) = delete;
 864   };
 865
 866   struct MoveConsOnlyType
 867   {
 868     MoveConsOnlyType(int) { }
 869     MoveConsOnlyType(const MoveConsOnlyType&) = delete;
 870     MoveConsOnlyType(MoveConsOnlyType&&) = default;
 871     MoveConsOnlyType& operator=(const MoveConsOnlyType&) = delete;
 872     MoveConsOnlyType& operator=(MoveConsOnlyType&&) = delete;
 873   };
 874 #endif
 875
 876 } // namespace __gnu_test
 877
 878 #endif // _GLIBCXX_TESTSUITE_TR1_H