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/* Test the Modern GNU Objective-C Runtime API.

  This is test 'sel', covering all functions starting with 'sel'.  */

/* { dg-do run } */

/* { dg-skip-if "No API#2 pre-Darwin9" { *-*-darwin[5-8]* } { "-fnext-runtime" } { "" } } */

/* To get the modern GNU Objective-C Runtime API, you include

   objc/runtime.h.  */

#include <objc/runtime.h>

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

@interface MyRootClass

{ Class isa; }

+ alloc;

- init;

+ initialize;

@end

@implementation MyRootClass

+ alloc { return class_createInstance (self, 0); }

- init  { return self; }

+ initialize { return self; }

@end

@protocol MyProtocol

- (id) variable;

@end

@protocol MySecondProtocol

- (id) setVariable: (id)value;

@end

@interface MySubClass : MyRootClass <MyProtocol>

{ id variable_ivar; }

- (void) setVariable: (id)value;

- (id) variable;

- (void) method;

@end

@implementation MySubClass

- (void) setVariable: (id)value { variable_ivar = value; }

- (id) variable { return variable_ivar; }

- (void) method { return; }

@end

@interface ClassA : MyRootClass

- (id) conflictingSelectorMethod;

@end

@implementation ClassA

- (id) conflictingSelectorMethod { return nil; }

@end

@interface ClassB : MyRootClass

- (void) conflictingSelectorMethod;

@end

@implementation ClassB

- (void) conflictingSelectorMethod { return; }

@end

int main(int argc, void **args)

{

  /* Functions are tested in alphabetical order.  */

#ifdef __GNU_LIBOBJC__

  printf ("Testing sel_copyTypedSelectorList ()...\n");

  {

    unsigned int count;

    SEL * list = sel_copyTypedSelectorList ("method", &count);

    /* There should only be two, since 'method' is referenced twice,

       once with types and once without (in this very test).  */

    if (count != 2)

      abort ();

    /* Check that both selectors are not-NULL, and have the correct

       name.  We use @selector() here, which wouldn't really be

       needed, just to register a second, untyped selector with name

       'method'.  */

    if (strcmp (sel_getName (list[0]), sel_getName (@selector (method))) != 0)

      abort ();

    if (strcmp (sel_getName (list[1]), sel_getName (@selector (method))) != 0)

      abort ();

    if (list[2] != NULL)

      abort ();

  }

#endif

  printf ("Testing sel_getName () ...\n");

  {

    if (strcmp (sel_getName (@selector (variable)), "variable") != 0)

      abort ();

    if (strcmp (sel_getName (NULL), "<null selector>") != 0)

      abort ();

  }

#ifdef __GNU_LIBOBJC__

  printf ("Testing sel_getTypeEncoding () ...\n");

  {

    /* Get a selector from a real class, so it has interesting

       types.  */

    Method method = class_getInstanceMethod (objc_getClass ("MySubClass"),

                                             @selector (variable));

    if (strcmp (sel_getTypeEncoding (method_getName (method)),

                method_getTypeEncoding (method)) != 0)

      abort ();

    if (sel_getTypeEncoding (NULL) != NULL)

      abort ();

  }

#endif

#ifdef __GNU_LIBOBJC__

  printf ("Testing sel_getTypedSelector () ...\n");

  {

    /* First try with a selector where we know that a typed one has

       been registered.  */

    SEL selector = sel_getTypedSelector ("variable");

    if (selector == NULL)

      abort ();

    if (sel_getTypeEncoding (selector) == NULL)

      abort ();

    /* Now try a selector which was never registered.  */

    selector = sel_getTypedSelector ("not_registered");

    if (selector != NULL)

      abort ();

    /* Now try registering a selector with no types.  The following

       line is just a way to have an unused '@selector()' expression

       without the compiler complaining.  */

    if (@selector (registered_with_no_types) == NULL)

      abort ();

    /* Try getting it.  Nothing should be returned because it is

       untyped.  */

    selector = sel_getTypedSelector ("registered_with_no_types");

    if (selector != NULL)

      abort ();

    /* Now try a selector with multiple, conflicting types.  NULL

       should be returned.  */

    selector = sel_getTypedSelector ("conflictingSelectorMethod");

    if (selector != NULL)

      abort ();

  }

#endif

  printf ("Testing sel_getUid () ...\n");

  {

    if (strcmp (sel_getName (sel_getUid ("myMethod")), "myMethod") != 0)

      abort ();

    if (sel_getUid (NULL) != NULL)

      abort ();

  }

  printf ("Testing sel_isEqual () ...\n");

  {

    if (! sel_isEqual (@selector (setVariable:), @selector (setVariable:)))

      abort ();

  }

  printf ("Testing sel_registerName () ...\n");

  {

    if (strcmp (sel_getName (sel_registerName ("myMethod")), "myMethod") != 0)

      abort ();

    if (sel_registerName (NULL) != NULL)

      abort ();

  }

#ifdef __GNU_LIBOBJC__

  printf ("Testing set_registerTypedName () ...\n");

  {

    const char *types = method_getTypeEncoding (class_getInstanceMethod

                                                (objc_getClass ("MySubClass"),

                                                 @selector (variable)));

    SEL selector = sel_registerTypedName ("aMethod", types);

    if (strcmp (sel_getName (selector), "aMethod") != 0)

      abort ();

    if (strcmp (sel_getTypeEncoding (selector), types) != 0)

      abort ();

    if (sel_registerTypedName (NULL, NULL) != NULL)

      abort ();

    if (sel_registerTypedName (NULL, types) != NULL)

      abort ();

  }

#endif

  return 0;

}