llvm-project/clang/test/Analysis/SpecialFunctionsCFError.cpp
Artem Dergachev 9b1e4a8218 [analyzer] Fix NSErrorChecker false positives on constructors.
Constructors and delete operators cannot return a boolean value.
Therefore they cannot possibly follow the NS/CFError-related coding
conventions.

Patch by Valeriy Savchenko!

Differential Revision: https://reviews.llvm.org/D77551
2020-04-06 20:33:38 +03:00

29 lines
853 B
C++

// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.coreFoundation.CFError \
// RUN: -verify %s
typedef unsigned long size_t;
struct __CFError {};
typedef struct __CFError *CFErrorRef;
void *malloc(size_t);
class Foo {
public:
Foo(CFErrorRef *error) {} // no-warning
void operator delete(void *pointer, CFErrorRef *error) { // no-warning
return;
}
void operator delete[](void *pointer, CFErrorRef *error) { // no-warning
return;
}
// Check that we report warnings for operators when it can be useful
void operator()(CFErrorRef *error) {} // expected-warning {{Function accepting CFErrorRef* should have a non-void return value to indicate whether or not an error occurred}}
};
// Check that global delete operator is not bothered as well
void operator delete(void *pointer, CFErrorRef *error) { // no-warning
return;
}