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surrogate pair test

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Richard Frith-Macdonald 2017-07-06 16:15:51 +01:00
parent b19b4af0b0
commit 99a3655108
1 changed files with 40 additions and 0 deletions
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Tests/base/NSString/pairs.m Normal file
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#import <Foundation/NSString.h>
#import <Foundation/NSRegularExpression.h>
#import "ObjectTesting.h"
int main(void)
{
[NSAutoreleasePool new];
START_SET("NSString + surrogate pairs")
NSString *smiley;
NSMutableString *mutable;
const uint8_t *utf8;
smiley = @"😀";
PASS([smiley length] == 2, "Smiley is a pair of characters")
PASS([smiley characterAtIndex: 0] == 0xD83D, "Smiley first is 0xD83D")
PASS([smiley characterAtIndex: 1] == 0xDE00, "Smiley second is 0xDE00")
utf8 = (const uint8_t *)[smiley UTF8String];
PASS(strlen(utf8) == 4, "Smiley UTF8 length correct")
PASS(0xF0 == utf8[0], "Smiley UTF8 first byte OK")
PASS(0x9F == utf8[1], "Smiley UTF8 second byte OK")
PASS(0x98 == utf8[2], "Smiley UTF8 third byte OK")
PASS(0x80 == utf8[3], "Smiley UTF8 fourth byte OK")
mutable = AUTORELEASE([smiley mutableCopy]);
PASS([mutable length] == 2, "Smiley copy is a pair of characters")
PASS([mutable characterAtIndex: 0] == 0xD83D, "Smiley copy first is 0xD83D")
PASS([mutable characterAtIndex: 1] == 0xDE00, "Smiley copy second is 0xDE00")
utf8 = (const uint8_t *)[mutable UTF8String];
PASS(strlen(utf8) == 4, "Smiley copy UTF8 length correct")
PASS(0xF0 == utf8[0], "Smiley copy UTF8 first byte OK")
PASS(0x9F == utf8[1], "Smiley copy UTF8 second byte OK")
PASS(0x98 == utf8[2], "Smiley copy UTF8 third byte OK")
PASS(0x80 == utf8[3], "Smiley copy UTF8 fourth byte OK")
END_SET("NSString + surrogate pairs")
return 0;
}