clang/test/Analysis/diagnostics/implicit-cxx-std-suppression.cpp

   1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,cplusplus.NewDelete,debug.ExprInspection -analyzer-config c++-container-inlining=true -analyzer-config c++-stdlib-inlining=false -std=c++11 -verify %s
   2 // RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,cplusplus.NewDelete,debug.ExprInspection -analyzer-config c++-container-inlining=true -analyzer-config c++-stdlib-inlining=true -std=c++11 -verify %s
   3 // RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,cplusplus.NewDelete,debug.ExprInspection -analyzer-config c++-container-inlining=true -analyzer-config c++-stdlib-inlining=false -std=c++11 -DTEST_INLINABLE_ALLOCATORS -verify %s
   4 // RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc,cplusplus.NewDelete,debug.ExprInspection -analyzer-config c++-container-inlining=true -analyzer-config c++-stdlib-inlining=true -std=c++11 -DTEST_INLINABLE_ALLOCATORS -verify %s
   5
   6 // expected-no-diagnostics
   7
   8 #include "../Inputs/system-header-simulator-cxx-std-suppression.h"
   9
  10 void testList_pop_front(std::list<int> list) {
  11   while(!list.empty())
  12     list.pop_front();  // no-warning
  13 }
  14
  15 void testBasicStringSuppression() {
  16   std::basic_string<uint8_t> v;
  17   v.push_back(1); // no-warning
  18 }
  19
  20 void testBasicStringSuppression_append() {
  21   std::basic_string<char32_t> v;
  22   v += 'c'; // no-warning
  23 }
  24
  25 void testBasicStringSuppression_assign(std::basic_string<char32_t> &v,
  26                                        const std::basic_string<char32_t> &v2) {
  27   v = v2; // no-warning
  28 }
  29
  30 class MyEngine;
  31 void testSuppression_independent_bits_engine(MyEngine& e) {
  32   std::__independent_bits_engine<MyEngine, unsigned int> x(e, 64); // no-warning
  33 }
  34
  35 void testSuppression_std_shared_pointer() {
  36   std::shared_ptr<int> p(new int(1));
  37
  38   p = nullptr; // no-warning
  39 }