1 files changed, 56 insertions, 0 deletions
diff --git a/clang/test/Analysis/cfref_rdar6080742.c b/clang/test/Analysis/cfref_rdar6080742.c
new file mode 100644
index 0000000..ea4c3ee
--- /dev/null
+++ b/clang/test/Analysis/cfref_rdar6080742.c
@@ -0,0 +1,56 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -analyzer-constraints=basic -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -analyzer-constraints=range -verify %s
+
+// This test case was reported in <rdar:problem/6080742>.
+// It tests path-sensitivity with respect to '!(cfstring != 0)' (negation of inequality).
+
+int printf(const char *restrict,...);
+typedef unsigned long UInt32;
+typedef signed long SInt32;
+typedef SInt32  OSStatus;
+typedef unsigned char Boolean;
+enum { noErr = 0};
+typedef const void *CFTypeRef;
+typedef const struct __CFString *CFStringRef;
+typedef const struct __CFAllocator *CFAllocatorRef;
+extern void     CFRelease(CFTypeRef cf);
+typedef UInt32  CFStringEncoding;
+enum { kCFStringEncodingMacRoman = 0, kCFStringEncodingWindowsLatin1 = 0x0500,
+       kCFStringEncodingISOLatin1 = 0x0201, kCFStringEncodingNextStepLatin = 0x0B01,
+       kCFStringEncodingASCII = 0x0600, kCFStringEncodingUnicode = 0x0100,
+       kCFStringEncodingUTF8 = 0x08000100, kCFStringEncodingNonLossyASCII = 0x0BFF,
+       kCFStringEncodingUTF16 = 0x0100, kCFStringEncodingUTF16BE = 0x10000100,
+       kCFStringEncodingUTF16LE = 0x14000100, kCFStringEncodingUTF32 = 0x0c000100,
+       kCFStringEncodingUTF32BE = 0x18000100, kCFStringEncodingUTF32LE = 0x1c000100};
+extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding);
+
+enum { memROZWarn = -99, memROZError = -99, memROZErr = -99, memFullErr = -108,
+       nilHandleErr = -109, memWZErr = -111, memPurErr = -112, memAdrErr = -110,
+       memAZErr = -113, memPCErr = -114, memBCErr = -115, memSCErr = -116, memLockedErr = -117};
+
+#define DEBUG1
+
+void            DebugStop(const char *format,...);
+void            DebugTraceIf(unsigned int condition, const char *format,...);
+Boolean         DebugDisplayOSStatusMsg(OSStatus status, const char *statusStr, const char *fileName, unsigned long lineNumber);
+
+#define Assert(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); }
+#define AssertMsg(condition, message)if (!(condition)) { DebugStop("Assertion failure: %s (%s) [File: %s, Line: %lu]", #condition, message, __FILE__, __LINE__); }
+#define Require(condition)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); }
+#define RequireAction(condition, action)if (!(condition)) { DebugStop("Assertion failure: %s [File: %s, Line: %lu]", #condition, __FILE__, __LINE__); action }
+#define RequireActionSilent(condition, action)if (!(condition)) { action }
+#define AssertNoErr(err){ DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__); }
+#define RequireNoErr(err, action){ if( DebugDisplayOSStatusMsg((err), #err, __FILE__, __LINE__) ) { action }}
+
+void DebugStop(const char *format,...); /* Not an abort function. */
+
+int main(int argc, char *argv[]) {
+  CFStringRef     cfString;
+  OSStatus        status = noErr;
+  cfString = CFStringCreateWithCString(0, "hello", kCFStringEncodingUTF8);
+  RequireAction(cfString != 0, return memFullErr;) //no - warning
+    printf("cfstring %p\n", cfString);
+  Exit:
+  CFRelease(cfString);
+  return 0;
+}