tests: new requirement 'grep-nonprint'

[platform/upstream/automake.git] / t / tap-color.sh

diff --git a/t/tap-color.sh b/t/tap-color.sh
index 6a91f06..5a8e1bc 100755 (executable)
--- a/t/tap-color.sh
+++ b/t/tap-color.sh
@@ -17,9 +17,9 @@
 # TAP support:
 #  - colorization of TAP results and diagnostic messages
 
+required='grep-nonprint'
 . ./defs || Exit 1
 
-esc='\e'
 # Escape '[' for grep, below.
 red="$esc\[0;31m"
 grn="$esc\[0;32m"
@@ -28,14 +28,6 @@ blu="$esc\[1;34m"
 mgn="$esc\[0;35m"
 std="$esc\[m"
 
-# Check that grep can parse nonprinting characters.
-# BSD 'grep' works from a pipe, but not a seekable file.
-# GNU or BSD 'grep -a' works on files, but is not portable.
-case `echo "$std" | grep .` in
-  "$std") ;;
-  *) echo "$me: grep can't parse nonprinting characters" >&2; Exit 77;;
-esac
-
 cat > Makefile.am << 'END'
 AUTOMAKE_OPTIONS = color-tests
 AM_TEST_LOG_DRIVER_FLAGS = --comments
@@ -101,7 +93,8 @@ END
 
 test_color ()
 {
-  # Not a useless use of cat; see above comments about grep.
+  # Not a useless use of cat; see above comments "grep-nonprinting"
+  # requirement in 'test-init.sh'.
   cat stdout | grep "^${grn}PASS${std}: all\.test 1 - foo$"
   cat stdout | grep "^${lgn}XFAIL${std}: all\.test 2 - bar # TODO td$"
   cat stdout | grep "^${blu}SKIP${std}: all\.test 3 - baz # SKIP sk$"
@@ -134,7 +127,8 @@ test_no_color ()
     # colorized.
     (
       set +e # In case some grepped regex below isn't matched.
-      # Not a useless use of cat; see above comments about grep.
+      # Not a useless use of cat; see above comments "grep-nonprinting"
+      # requirement in 'test-init.sh'.
       cat stdout | grep "TOTAL.*:"
       cat stdout | grep "PASS.*:"
       cat stdout | grep "FAIL.*:"