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#import "ObjectTesting.h"
#import <Foundation/NSAutoreleasePool.h>
#import <Foundation/NSString.h>
@interface NSString (NumericSort)
- (NSComparisonResult)numericCompare: (NSString *)s;
@end
@implementation NSString (NumericSort)
- (NSComparisonResult)numericCompare: (NSString *)s
{
return [self compare: s options: NSNumericSearch];
}
@end
int main (int argc, const char * argv[])
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
NSArray *a1, *a2;
NSArray *a;
NSString *s1, *s2;
s1 = @"1";
s2 = @"2";
PASS([s1 compare: s2 options: NSNumericSearch] == NSOrderedAscending,
"1 is less than 2");
s1 = @"1";
s2 = @"10";
PASS([s1 compare: s2 options: NSNumericSearch] == NSOrderedAscending,
"1 is less than 10");
s1 = @"1";
s2 = @"11";
PASS([s1 compare: s2 options: NSNumericSearch] == NSOrderedAscending,
"1 is less than 11");
s1 = @"11";
s2 = @"1";
PASS([s1 compare: s2 options: NSNumericSearch] == NSOrderedDescending,
"11 is greater than 1");
s1 = @"11";
s2 = @"2";
PASS([s1 compare: s2 options: NSNumericSearch] == NSOrderedDescending,
"11 is greater than 2");
a1 = [NSArray arrayWithObjects:
@"2", @"1", @"10", @"11", @"20", @"3", nil];
a = [NSArray arrayWithObjects:
@"1", @"10", @"11", @"2", @"20", @"3", nil];
a2 = [a1 sortedArrayUsingSelector: @selector(compare:)];
PASS_EQUAL(a2, a, "text sort");
a = [NSArray arrayWithObjects:
@"1", @"2", @"3", @"10", @"11", @"20", nil];
a2 = [a1 sortedArrayUsingSelector: @selector(numericCompare:)];
PASS_EQUAL(a2, a, "numeric sort");
[pool drain];
return 0;
}
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