minix/external/bsd/llvm/dist/clang/test/Analysis/inlining/false-positive-suppression.m
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

38 lines
922 B
Objective-C

// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-config suppress-null-return-paths=false -verify %s
// RUN: %clang_cc1 -analyze -analyzer-checker=core -verify -DSUPPRESSED=1 %s
// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-config avoid-suppressing-null-argument-paths=true -DSUPPRESSED=1 -DNULL_ARGS=1 -verify %s
#ifdef SUPPRESSED
// expected-no-diagnostics
#endif
@interface PointerWrapper
- (int *)getPtr;
- (id)getObject;
@end
id getNil() {
return 0;
}
void testNilReceiverHelperA(int *x) {
*x = 1;
#ifndef SUPPRESSED
// expected-warning@-2 {{Dereference of null pointer}}
#endif
}
void testNilReceiverHelperB(int *x) {
*x = 1;
#ifndef SUPPRESSED
// expected-warning@-2 {{Dereference of null pointer}}
#endif
}
void testNilReceiver(int coin) {
id x = getNil();
if (coin)
testNilReceiverHelperA([x getPtr]);
else
testNilReceiverHelperB([[x getObject] getPtr]);
}