clang/test/Analysis/NewDelete-path-notes.cpp

   1 // RUN: %clang_analyze_cc1 \
   2 // RUN:   -analyzer-checker=cplusplus.NewDelete,unix.Malloc \
   3 // RUN:   -analyzer-config add-pop-up-notes=false \
   4 // RUN:   -analyzer-output=text -verify %s
   5 // RUN: %clang_analyze_cc1 \
   6 // RUN:   -analyzer-checker=cplusplus.NewDelete,unix.Malloc \
   7 // RUN:   -analyzer-config add-pop-up-notes=false \
   8 // RUN:   -analyzer-output=plist %s -o %t.plist
   9 // RUN: %normalize_plist <%t.plist | diff -ub \
  10 // RUN:   %S/Inputs/expected-plists/NewDelete-path-notes.cpp.plist -
  11
  12 void test() {
  13   int *p = new int;
  14   // expected-note@-1 {{Memory is allocated}}
  15   if (p) // expected-note {{Taking true branch}}
  16     delete p;
  17     // expected-note@-1 {{Memory is released}}
  18
  19   delete p; // expected-warning {{Attempt to free released memory}}
  20   // expected-note@-1 {{Attempt to free released memory}}
  21 }
  22
  23 struct Odd {
  24         void kill() {
  25                 delete this; // expected-note {{Memory is released}}
  26         }
  27 };
  28
  29 void test(Odd *odd) {
  30         odd->kill(); // expected-note{{Calling 'Odd::kill'}}
  31                // expected-note@-1 {{Returning; memory was released}}
  32         delete odd; // expected-warning {{Attempt to free released memory}}
  33               // expected-note@-1 {{Attempt to free released memory}}
  34 }
  35