! Test the behaviors of -f{no-}color-diagnostics.
! Windows command prompt doesn't support ANSI escape sequences.
! REQUIRES: shell

! RUN: not %flang %s -fcolor-diagnostics 2>&1 \
! RUN:     | FileCheck %s --check-prefix=CHECK_CD
! RUN: not %flang %s -fno-color-diagnostics 2>&1 \
! RUN:     | FileCheck %s --check-prefix=CHECK_NCD
! RUN: not %flang_fc1 %s -fcolor-diagnostics 2>&1 \
! RUN:     | FileCheck %s --check-prefix=CHECK_CD
! RUN: not %flang_fc1 %s -fno-color-diagnostics 2>&1 \
! RUN:     | FileCheck %s --check-prefix=UNSUPPORTED_OPTION
! RUN: not %flang_fc1 %s 2>&1 | FileCheck %s --check-prefix=CHECK_NCD

! CHECK_CD: {{.*}}[0;1;31merror: {{.*}}[0m{{.*}}[1mSemantic errors in {{.*}}color-diagnostics.f90{{.*}}[0m

! CHECK_NCD: Semantic errors in {{.*}}color-diagnostics.f90

! UNSUPPORTED_OPTION: error: unknown argument: '-fno-color-diagnostics'

program m
  integer :: i = k
end