clang-tools-extra/test/clang-tidy/infrastructure/custom-diagnostics.cpp

   1 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-shadow,clang-diagnostic-float-conversion' %s -- | count 0
   2 //
   3 // Enable warnings using -config:
   4 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-shadow,clang-diagnostic-float-conversion' \
   5 // RUN:   -config='{ExtraArgs: ["-Wshadow","-Wno-unused-variable"], ExtraArgsBefore: ["-Wno-shadow","-Wfloat-conversion","-Wunused-variable"]}' %s -- \
   6 // RUN:   | FileCheck -implicit-check-not='{{warning:|error:}}' %s
   7 //
   8 // ... -extra-arg:
   9 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-shadow,clang-diagnostic-float-conversion' \
  10 // RUN:   -extra-arg=-Wshadow -extra-arg=-Wno-unused-variable \
  11 // RUN:   -extra-arg-before=-Wno-shadow -extra-arg-before=-Wfloat-conversion \
  12 // RUN:   -extra-arg-before=-Wunused-variable %s -- \
  13 // RUN:   | FileCheck -implicit-check-not='{{warning:|error:}}' %s
  14 //
  15 // ... a combination of -config and -extra-arg(-before):
  16 // RUN: clang-tidy -checks='-*,modernize-use-override,clang-diagnostic-shadow,clang-diagnostic-float-conversion' \
  17 // RUN:   -config='{ExtraArgs: ["-Wno-unused-variable"], ExtraArgsBefore: ["-Wno-shadow","-Wfloat-conversion"]}' \
  18 // RUN:   -extra-arg=-Wshadow -extra-arg-before=-Wunused-variable %s -- \
  19 // RUN:   | FileCheck -implicit-check-not='{{warning:|error:}}' %s
  20
  21 void f(float x) {
  22   int a;
  23   { int a; }
  24   // CHECK: :[[@LINE-1]]:9: warning: declaration shadows a local variable [clang-diagnostic-shadow]
  25   int b = x;
  26   // CHECK: :[[@LINE-1]]:11: warning: implicit conversion turns floating-point number into integer: 'float' to 'int' [clang-diagnostic-float-conversion]
  27 }