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      1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=basic -analyzer-constraints=basic -verify %s
      2 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=basic -analyzer-constraints=range -verify %s
      3 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=region -analyzer-constraints=basic -verify %s
      4 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=region -analyzer-constraints=range -verify %s
      5 
      6 // This test case was reported in <rdar:problem/6080742>.
      7 // It tests path-sensitivity with respect to '!(cfstring != 0)' (negation of inequality).
      8 
      9 int printf(const char *restrict,...);
     10 typedef unsigned long UInt32;
     11 typedef signed long SInt32;
     12 typedef SInt32  OSStatus;
     13 typedef unsigned char Boolean;
     14 enum { noErr = 0};
     15 typedef const void *CFTypeRef;
     16 typedef const struct __CFString *CFStringRef;
     17 typedef const struct __CFAllocator *CFAllocatorRef;
     18 extern void     CFRelease(CFTypeRef cf);
     19 typedef UInt32  CFStringEncoding;
     20 enum { kCFStringEncodingMacRoman = 0, kCFStringEncodingWindowsLatin1 = 0x0500,
     21        kCFStringEncodingISOLatin1 = 0x0201, kCFStringEncodingNextStepLatin = 0x0B01,
     22        kCFStringEncodingASCII = 0x0600, kCFStringEncodingUnicode = 0x0100,
     23        kCFStringEncodingUTF8 = 0x08000100, kCFStringEncodingNonLossyASCII = 0x0BFF,
     24        kCFStringEncodingUTF16 = 0x0100, kCFStringEncodingUTF16BE = 0x10000100,
     25        kCFStringEncodingUTF16LE = 0x14000100, kCFStringEncodingUTF32 = 0x0c000100,
     26        kCFStringEncodingUTF32BE = 0x18000100, kCFStringEncodingUTF32LE = 0x1c000100};
     27 extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding);
     28 
     29 enum { memROZWarn = -99, memROZError = -99, memROZErr = -99, memFullErr = -108,
     30        nilHandleErr = -109, memWZErr = -111, memPurErr = -112, memAdrErr = -110,
     31        memAZErr = -113, memPCErr = -114, memBCErr = -115, memSCErr = -116, memLockedErr = -117};
     32 
     33 #define DEBUG1
     34 
     35 void            DebugStop(const char *format,...);
     36 void            DebugTraceIf(unsigned int condition, const char *format,...);
     37 Boolean         DebugDisplayOSStatusMsg(OSStatus status, const char *statusStr, const char *fileName, unsigned long lineNumber);
     38 
     39 #define Assert(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); }
     40 #define AssertMsg(condition, message)if (!(condition)) { DebugStop("Assertion failure: %s (%s) [File: %s, Line: %lu]", #condition, message, __FILE__, __LINE__); }
     41 #define Require(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); }
     42 #define RequireAction(condition, action)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); action }
     43 #define RequireActionSilent(condition, action)if (!(condition)) { action }
     44 #define AssertNoErr(err){ DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__); }
     45 #define RequireNoErr(err, action){ if( DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__) ) { action }}
     46 
     47 void DebugStop(const char *format,...); /* Not an abort function. */
     48 
     49 int main(int argc, char *argv[]) {
     50   CFStringRef     cfString;
     51   OSStatus        status = noErr;
     52   cfString = CFStringCreateWithCString(0, "hello", kCFStringEncodingUTF8);
     53   RequireAction(cfString != 0, return memFullErr;) //no - warning
     54     printf("cfstring %p\n", cfString);
     55   Exit:
     56   CFRelease(cfString);
     57   return 0;
     58 }
     59