xref: /llvm-project/clang/test/Analysis/Checkers/WebKit/ref-countable-default-arg-nullptr.cpp (revision 2dbfa8407e7d2f4293add33b5ead3f2d5fcd04e9) 
1 // RUN: %clang_analyze_cc1 -analyzer-checker=alpha.webkit.UncountedCallArgsChecker -verify %s
2 
3 #include "mock-types.h"
4 
5 class Obj {
6 public:
7   static Obj* get();
8   static RefPtr<Obj> create();
9   void ref() const;
10   void deref() const;
11 };
12 
13 void someFunction(Obj*, Obj* = nullptr);
14 void otherFunction(Obj*, Obj* = Obj::get());
15 // expected-warning@-1{{Call argument is uncounted and unsafe [alpha.webkit.UncountedCallArgsChecker]}}
16 void anotherFunction(Obj*, Obj* = Obj::create().get());
17 
otherFunction()18 void otherFunction() {
19   someFunction(nullptr);
20   someFunction(Obj::get());
21   // expected-warning@-1{{Call argument is uncounted and unsafe [alpha.webkit.UncountedCallArgsChecker]}}
22   someFunction(Obj::create().get());
23   otherFunction(nullptr);
24   anotherFunction(nullptr);
25 }
26