clang/test/ARCMT/objcmt-boxing.m

   1 // RUN: rm -rf %t
   2 // RUN: %clang_cc1 -fobjc-arc -objcmt-migrate-literals -objcmt-migrate-subscripting -mt-migrate-directory %t %s -x objective-c++ -verify
   3 // RUN: c-arcmt-test -mt-migrate-directory %t | arcmt-test -verify-transformed-files %s.result
   4 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c++ %s.result
   5
   6 #define YES __objc_yes
   7 #define NO __objc_no
   8
   9 typedef long NSInteger;
  10 typedef unsigned long NSUInteger;
  11 typedef signed char BOOL;
  12 #define nil ((void*) 0)
  13
  14 #define INT_MIN   (-__INT_MAX__  -1)
  15
  16 @interface NSObject
  17 + (id)alloc;
  18 @end
  19
  20 @interface NSNumber : NSObject
  21 @end
  22
  23 @interface NSNumber (NSNumberCreation)
  24 - (id)initWithChar:(char)value;
  25 - (id)initWithUnsignedChar:(unsigned char)value;
  26 - (id)initWithShort:(short)value;
  27 - (id)initWithUnsignedShort:(unsigned short)value;
  28 - (id)initWithInt:(int)value;
  29 - (id)initWithUnsignedInt:(unsigned int)value;
  30 - (id)initWithLong:(long)value;
  31 - (id)initWithUnsignedLong:(unsigned long)value;
  32 - (id)initWithLongLong:(long long)value;
  33 - (id)initWithUnsignedLongLong:(unsigned long long)value;
  34 - (id)initWithFloat:(float)value;
  35 - (id)initWithDouble:(double)value;
  36 - (id)initWithBool:(BOOL)value;
  37 - (id)initWithInteger:(NSInteger)value;
  38 - (id)initWithUnsignedInteger:(NSUInteger)value;
  39
  40 + (NSNumber *)numberWithChar:(char)value;
  41 + (NSNumber *)numberWithUnsignedChar:(unsigned char)value;
  42 + (NSNumber *)numberWithShort:(short)value;
  43 + (NSNumber *)numberWithUnsignedShort:(unsigned short)value;
  44 + (NSNumber *)numberWithInt:(int)value;
  45 + (NSNumber *)numberWithUnsignedInt:(unsigned int)value;
  46 + (NSNumber *)numberWithLong:(long)value;
  47 + (NSNumber *)numberWithUnsignedLong:(unsigned long)value;
  48 + (NSNumber *)numberWithLongLong:(long long)value;
  49 + (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value;
  50 + (NSNumber *)numberWithFloat:(float)value;
  51 + (NSNumber *)numberWithDouble:(double)value;
  52 + (NSNumber *)numberWithBool:(BOOL)value;
  53 + (NSNumber *)numberWithInteger:(NSInteger)value;
  54 + (NSNumber *)numberWithUnsignedInteger:(NSUInteger)value;
  55 @end
  56
  57 enum {
  58     NSASCIIStringEncoding = 1,
  59     NSUTF8StringEncoding = 4,
  60     NSUnicodeStringEncoding = 10
  61 };
  62 typedef NSUInteger NSStringEncoding;
  63
  64 @interface NSString : NSObject
  65 @end
  66
  67 @interface NSString (NSStringExtensionMethods)
  68 + (id)stringWithUTF8String:(const char *)nullTerminatedCString;
  69 + (id)stringWithCString:(const char *)cString encoding:(NSStringEncoding)enc;
  70 + (id)stringWithCString:(const char *)bytes;
  71 - (instancetype)initWithUTF8String:(const char *)nullTerminatedCString;
  72 @end
  73
  74 enum MyEnm {
  75   ME_foo
  76 };
  77
  78 void foo() {
  79   [NSNumber numberWithInt:INT_MIN];
  80   bool cppb;
  81   [NSNumber numberWithBool:cppb];
  82   MyEnm myenum;
  83   [NSNumber numberWithInteger:myenum];
  84   [NSNumber numberWithInteger:ME_foo];
  85   [NSNumber numberWithDouble:cppb]; // expected-warning {{converting to boxing syntax requires casting 'bool' to 'double'}}
  86 }
  87
  88 void boxString() {
  89   NSString *s = [NSString stringWithUTF8String:"box"];
  90   const char *cstr1;
  91   char *cstr2;
  92   s = [NSString stringWithUTF8String:cstr1];
  93   s = [NSString stringWithUTF8String:cstr2];
  94   s = [NSString stringWithCString:cstr1 encoding:NSASCIIStringEncoding];
  95   s = [NSString stringWithCString:cstr1 encoding:NSUTF8StringEncoding];
  96   s = [NSString stringWithCString:cstr1 encoding: NSUnicodeStringEncoding];
  97   NSStringEncoding encode;
  98   s = [NSString stringWithCString:cstr1 encoding:encode];
  99   s = [NSString stringWithCString:cstr1];
 100
 101   static const char strarr[] = "coolbox";
 102   s = [NSString stringWithUTF8String:strarr];
 103   const char *utf8Bytes = "blah";
 104   NSString *string1 = [NSString stringWithUTF8String:utf8Bytes];
 105   NSString *string2 = [[NSString alloc] initWithUTF8String:utf8Bytes];
 106 }