libs-base/Testing/nsarray.m

/* Test/example program for the base library

   Copyright (C) 2005 Free Software Foundation, Inc.
   
  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

   This file is part of the GNUstep Base Library.
*/
#include <Foundation/NSAutoreleasePool.h>
#include <Foundation/NSArray.h>
#include <Foundation/NSValue.h>
#include <Foundation/NSString.h>
#include <Foundation/NSException.h>

int compare(id elem1, id elem2, void* context)
{
  return (int)[elem1 performSelector:@selector(compare:) withObject:elem2];
}

int
main()
{
  id a, b, c, d, e, f, g, h;			/* arrays */
  id enumerator;
  id i;
  id s = @"Hello World\n";
  id pool;
  id o1, o2, o3;
  unsigned int p;

  //behavior_set_debug(0);

  [NSAutoreleasePool enableDoubleReleaseCheck:YES];
  pool = [[NSAutoreleasePool alloc] init];

  o1 = [NSNumber numberWithInt:1];
  o2 = [NSNumber numberWithInt:2];
  o3 = [NSNumber numberWithInt:3];
  a = [[[NSArray arrayWithObject:o1] arrayByAddingObject:o2] arrayByAddingObject:o3];
  printf("%u,%u,%u\n", [o1 retainCount], [o2 retainCount], [o3 retainCount]);
  b = [[a copy] autorelease];
  printf("%u,%u,%u\n", [o1 retainCount], [o2 retainCount], [o3 retainCount]);
  c = [[b mutableCopy] autorelease];
  printf("%u,%u,%u\n", [o1 retainCount], [o2 retainCount], [o3 retainCount]);
  d = [[c copy] autorelease];
  printf("%u,%u,%u\n", [o1 retainCount], [o2 retainCount], [o3 retainCount]);

  // NSArray tests
  {
    // Class methods for allocating and initializing an array
    printf("Method: +array\n");
    a = [NSArray array];
    if ([a count] == 0)
      printf("Empty array count is zero\n");
    else
      printf("Error: empty array count is not zero\n");

    printf("Method: +arrayWithObject:\n");
    b = [NSArray arrayWithObject: s];
    printf("NSArray has count %d\n", [b count]);
    if ([b count] != 1)
      printf("Error: count != 1\n");

    printf("Method: +arrayWithObjects:...\n");
    c = [NSArray arrayWithObjects:
		 [NSObject class],
		 [NSArray class],
		 [NSMutableArray class],
		 nil];
    printf("NSArray has count %d\n", [c count]);
    if ([c count] != 3)
      printf("Error: count != 3\n");
  }

  {
    // Instance methods for allocating and initializing an array
    printf("Method: -arrayByAddingObject:\n");
    d = [c arrayByAddingObject: s];
    printf("NSArray has count %d\n", [c count]);
    if ([d count] != 4)
      printf("Error: count != 4\n");

    printf("Method: -arrayByAddingObjectsFromArray:\n");
    e = [c arrayByAddingObjectsFromArray: b];
    printf("NSArray has count %d\n", [c count]);
    if ([e count] != 4)
      printf("Error: count != 4\n");
  }

  {
    // Querying the arra
    NSCParameterAssert([c containsObject:[NSObject class]]);

    p = [e indexOfObject:@"Hello World\n"];
    if (p == NSNotFound)
      printf("Error: index of object not found\n");
    else
      printf("Index of object is %d\n", p);

    p = [e indexOfObjectIdenticalTo:s];
    if (p == NSNotFound)
      printf("Error: index of identical object not found\n");
    else
      printf("Index of identical object is %d\n", p);

    NSCParameterAssert([c lastObject]);
    printf("Class at index 2 is %s\n", [[[c objectAtIndex:2] description] cString]);

    printf("Forward enumeration\n");
    enumerator = [e objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    printf("Reverse enumeration\n");
    enumerator = [e reverseObjectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");
  }

  {
    // Sending messages to elements
    [c makeObjectsPerform:@selector(description)];

    //[c makeObjectsPerform:@selector(isEqual:) withObject: @"NSArray"];
  }

  {
    // Comparing arrays
    NSCParameterAssert([d firstObjectCommonWithArray:e]);

    if ([d isEqualToArray: d])
      printf("NSArray is equal to itself\n");
    else
      printf("Error: NSArray is not equal to itself\n");

    if ([d isEqualToArray: e])
      printf("NSArrays are equal\n");
    else
      printf("Error: NSArrays are not equal\n");
  }

  {
    // Deriving new arrays
    NSRange r = NSMakeRange(0, 3);

    f = [NSMutableArray array];
    [f addObject: @"Lions"];
    [f addObject: @"Tigers"];
    [f addObject: @"Bears"];
    [f addObject: @"Penguins"];
    [f addObject: @"Giraffes"];

    enumerator = [f objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [i cString]);
    printf("\n");

    printf("Method: -sortedArrayUsingSelector:\n");
    g = [f sortedArrayUsingSelector: @selector(compare:)];
    printf("Method: -sortedArrayUsingFunction:context:\n");
    h = [f sortedArrayUsingFunction: compare context: NULL];

    enumerator = [g objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [i cString]);
    printf("\n");

    if (([g isEqualToArray: h]) && (![g isEqualToArray: f]))
      printf("Sorted arrays are correct\n");
    else
      printf("Error: Sorted arrays are not correct\n");

    printf("Method: -subarrayWithRange:\n");
    f = [e subarrayWithRange: r];

    printf("NSArray has count %d\n", [f count]);
    if ([f count] != 3)
      printf("Error: count != 3\n");

    enumerator = [f objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    if ([f isEqualToArray: c])
      printf("Subarray is correct\n");
    else
      printf("Error: Subarray does not have correct elements\n");
  }

  {
    // Joining string elements
    printf("Method: -componentsJoinedByString:\n");
    i = [c componentsJoinedByString: @"/"];
    if ([i isEqual: @"NSObject/NSArray/NSMutableArray"])
      printf("%s is correct\n", [i cString]);
    else
      {
	printf("Error: %s is not correct\n", [i cString]);
	printf("Should be NSObject/NSArray/NSMutableArray\n");
      }
  }

  {
    // Creating a string description of the array
    /* What do the -description methods do?
       [e description]
       [e descriptionWithLocale:]
       [e descriptionWithLocale: indent:]
       */
  }

  // NSMutableArray tests
  printf("*** Start of NSMutableArray tests\n");
  {
    // Creating and initializing an NSMutableArray
    f = [NSMutableArray arrayWithCapacity: 10];
    NSCParameterAssert(f);
    f = [[NSMutableArray alloc] initWithCapacity: 10];
    [f release];
    NSCParameterAssert(f);
  }

  {
    // Adding objects
    f = [e mutableCopy];
    NSCParameterAssert([f count]);

    printf("Method -addObject:[NSObject class]\n");
    [f addObject:[NSObject class]];
    printf("NSMutableArray has count %d\n", [f count]);
    if ([f count] != 5)
      printf("Error: count != 5\n");

    printf("Method -addObjectsFromArray:\n");
    [f addObjectsFromArray: c];
    printf("NSMutableArray has count %d\n", [f count]);
    if ([f count] != 8)
      printf("Error: count != 8\n");

    enumerator = [f objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    printf("Method -insertObject: [NSMutableArray class] atIndex: 2\n");
    [f insertObject: [NSMutableArray class] atIndex: 2];

    enumerator = [f objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

  }

  g = [f mutableCopy];
  h = [f mutableCopy];

  {
    // Removing objects
    unsigned int ind[7] = {7, 4, 1, 3, 5, 0, 6};

    printf("Method -removeAllObjects\n");
    printf("Array count is %d\n", [h count]);
    [h removeAllObjects];
    printf("Array count is %d\n", [h count]);
    if ([h count] != 0)
      printf("Error: count != 0\n");

    h = [f mutableCopy];

    printf("Method -removeLastObject\n");
    [f removeLastObject];

    enumerator = [f objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    printf("Method -removeObject: [NSObject class]\n");
    [f removeObject: [NSObject class]];

    enumerator = [f objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    printf("Method -removeObjectIdenticalTo: [NSArray class]\n");
    [f removeObjectIdenticalTo: [NSArray class]];

    enumerator = [f objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    printf("Method -removeObjectAtIndex: 2\n");
    [f removeObjectAtIndex: 2];

    enumerator = [f objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    printf("Method -removeObjectsFromIndices: {7,4,1,3,5,0,6} "
	   "numIndices: 6\n");
    enumerator = [g objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");
    [g removeObjectsFromIndices: ind numIndices: 7];
    enumerator = [g objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    if ([f isEqualToArray: g])
      printf("Remove methods worked properly\n");
    else
      printf("Error: remove methods failed\n");

    printf("Method -removeObjectsInArray:\n");
    printf("Receiver array\n");
    enumerator = [h objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");
    printf("Removing objects in this array\n");
    enumerator = [c objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    [h removeObjectsInArray: c];

    printf("Array count is %d\n", [h count]);
    if ([h count] != 1)
      printf("Error: count != 1\n");

    printf("%s", [[h objectAtIndex: 0] cString]);
    if ([[h objectAtIndex: 0] isEqual: s])
      printf("-removeObjectsInArray: worked correctly\n");
    else
      printf("Error: object in array is not correct\n");
  }

  {
    // Replacing objects
    c = [[c mutableCopy] autorelease];
    printf("Method -replaceObjectAtIndex: 2 withObject:[NSString class]\n");
    enumerator = [c objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");
    [c replaceObjectAtIndex: 2 withObject:[NSString class]];
    enumerator = [c objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");

    printf("Method -setArray:\n");
    [h setArray: f];
    enumerator = [h objectEnumerator];
    while ((i = [enumerator nextObject]))
      printf("%s ", [[i description] cString]);
    printf("\n");
    if ([h isEqualToArray: h])
      printf("-setArray worked properly\n");
    else
      printf("Error: array is incorrect\n");
  }

  {
    // Sorting Elements
    //[ sortUsingFunction: context:];
    //[ sortUsingSelector:];
  }

  [pool release];

  exit(0);
}