clang/test/Misc/diag-mapping2.c

   1 // This should warn by default.
   2 // RUN: %clang_cc1 %s 2>&1 | grep "warning: foo"
   3
   4 // This should not emit anything.
   5 // RUN: %clang_cc1 %s -w 2>&1 | not grep diagnostic
   6 // RUN: %clang_cc1 %s -Wno-#warnings 2>&1 | not grep diagnostic
   7 // RUN: %clang_cc1 %s -Wno-cpp 2>&1 | not grep diagnostic
   8
   9 // -Werror can map all warnings to error.
  10 // RUN: not %clang_cc1 %s -Werror 2>&1 | grep "error: foo"
  11
  12 // -Werror can map this one warning to error.
  13 // RUN: not %clang_cc1 %s -Werror=#warnings 2>&1 | grep "error: foo"
  14 // RUN: not %clang_cc1 %s -Werror=#warnings -W#warnings 2>&1 | grep "error: foo"
  15
  16 // -Wno-error= overrides -Werror. -Wno-error applies to a subsequent warning of the same name.
  17 // RUN: %clang_cc1 %s -Werror -Wno-error=#warnings 2>&1 | grep "warning: foo"
  18 // RUN: %clang_cc1 %s -Werror -Wno-error=#warnings -W#warnings 2>&1 | grep "warning: foo"
  19
  20 // -Wno-error overrides -Werror.  PR4715
  21 // RUN: %clang_cc1 %s -Werror -Wno-error 2>&1 | grep "warning: foo"
  22
  23 #warning foo
  24