clang/test/Analysis/copypaste/sub-sequences.cpp

   1 // RUN: %clang_analyze_cc1 -std=c++11 -analyzer-checker=alpha.clone.CloneChecker -analyzer-config alpha.clone.CloneChecker:MinimumCloneComplexity=10 -verify %s
   2
   3 // This tests if sub-sequences can match with normal sequences.
   4
   5 void log2(int a);
   6 void log();
   7
   8 int max(int a, int b) {
   9   log2(a);
  10   log(); // expected-warning{{Duplicate code detected}}
  11   if (a > b)
  12     return a;
  13   return b;
  14 }
  15
  16 int maxClone(int a, int b) {
  17   log(); // expected-note{{Similar code here}}
  18   if (a > b)
  19     return a;
  20   return b;
  21 }
  22
  23 // Functions below are not clones and should not be reported.
  24
  25 int foo(int a, int b) { // no-warning
  26   return a + b;
  27 }