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add a couple of surrogate pair tests

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This commit is contained in:
rfm 2025-04-17 10:52:59 +01:00
parent 198b18c18a
commit 7ebbfaddd0
1 changed files with 33 additions and 2 deletions
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35
Tests/base/NSString/basic.m
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@ -2,7 +2,6 @@
#import <Foundation/NSAutoreleasePool.h>
#import <Foundation/NSString.h>
static NSString*
makeFormattedString(NSString *theFormat, ...)
{
@ -21,6 +20,7 @@ int main()
uint8_t bytes[256];
unichar u0 = 'a';
unichar u1 = 0xfe66;
unichar c;
int i = 256;
char buf[32];
NSString *s;
@ -142,7 +142,38 @@ int main()
s = [[NSString alloc] initWithBytes: "\\u20ac"
length: 6
encoding: NSNonLossyASCIIStringEncoding];
PASS_EQUAL(s, @"€", "lossy backslassh-u20ac is a euro");
PASS_EQUAL(s, @"€", "lossy backslash-u20ac is a euro");
DESTROY(s);
uint8_t smiley[10] = {
'S', 'M', 'I', 'L', 'E', 'Y', 0xf0, 0x9f, 0x98, 0x8a
};
s = [[NSString alloc] initWithBytes: smiley
length: 10
encoding: NSUTF8StringEncoding];
PASS_EQUAL(s, @"SMILEY😊", "text with smiley at end");
DESTROY(s);
// Second half of surrogate pair
c = 0xde0a;
s = [[NSString alloc] initWithBytes: &c
length: 2
encoding: NSUnicodeStringEncoding];
PASS_EQUAL(s, nil, "native - second half of surrogate pair is invalid");
DESTROY(s);
c = GSSwapHostI16ToBig(0xde0a);
s = [[NSString alloc] initWithBytes: &c
length: 2
encoding: NSUTF16BigEndianStringEncoding];
PASS_EQUAL(s, nil, "big endian second half of surrogate pair is invalid");
DESTROY(s);
c = GSSwapHostI16ToLittle(0xde0a);
s = [[NSString alloc] initWithBytes: &c
length: 2
encoding: NSUTF16LittleEndianStringEncoding];
PASS_EQUAL(s, nil, "little endian second half of surrogate pair is invalid");
DESTROY(s);
s = makeFormattedString(@"%d.%d%s", 10, 20, "hello");