clang/test/Misc/diag-mapping.c

   1 // This should warn by default.
   2 // RUN: %clang_cc1 %s 2>&1 | grep "warning:"
   3 // This should not emit anything.
   4 // RUN: %clang_cc1 %s -Wno-extra-tokens 2>&1 | not grep diagnostic
   5
   6 // -Werror can map all warnings to error.
   7 // RUN: not %clang_cc1 %s -Werror 2>&1 | grep "error:"
   8
   9 // -Werror can map this one warning to error.
  10 // RUN: not %clang_cc1 %s -Werror=extra-tokens 2>&1 | grep "error:"
  11
  12 // Mapping unrelated diags to errors doesn't affect this one.
  13 // RUN: %clang_cc1 %s -Werror=trigraphs 2>&1 | grep "warning:"
  14
  15 // This should stay a warning with -pedantic.
  16 // RUN: %clang_cc1 %s -pedantic 2>&1 | grep "warning:"
  17
  18 // This should emit an error with -pedantic-errors.
  19 // RUN: not %clang_cc1 %s -pedantic-errors 2>&1 | grep "error:"
  20
  21 // This should emit a warning, because -Wfoo overrides -pedantic*.
  22 // RUN: %clang_cc1 %s -pedantic-errors -Wextra-tokens 2>&1 | grep "warning:"
  23
  24 // This should emit nothing, because -Wno-extra-tokens overrides -pedantic*
  25 // RUN: %clang_cc1 %s -pedantic-errors -Wno-extra-tokens 2>&1 | not grep diagnostic
  26
  27 #ifdef foo
  28 #endif bad // extension!
  29
  30 int x;