[bug #58165] test-suite: "nroff -V ..." fails for other devices than "ascii"

[Bjarni Ingi Gislason]

Follow-up Comment #3, bug #58165 (project groff):

Subject: test-suite: "nroff -V ..." fails for other devices than "ascii"

  Sorry, I too often seem to neglect to provide relevant data.
 I sometimes post findings before I test myself the matter further.
 So you could wait for me providing more data when you ask for it.

1)  First part of the test in the build directory:


# Ensure a predictable character encoding.
export LC_ALL=C
# Ensure a predictable command search path.

GROFF_RUNTIME="${GROFF_BIN_PATH=/usr/local/bin}:"

nroff="${abs_top_builddir:-.}/nroff"

echo "testing 'nroff -V'" >&2
expected="PATH=$GROFF_RUNTIME$PATH groff -Tascii -mtty-char"
actual=$("$nroff" -V)
diff -u <(echo "$expected") <(echo "$actual")

####

  Result:

testing 'nroff -V'
--- /dev/fd/63  2020-04-13 01:11:32.936490725 +0000
+++ /dev/fd/62  2020-04-13 01:11:32.936490725 +0000
@@ -1 +1 @@
-PATH=/usr/local/bin:/home/bg/bin:/home/bg/.local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/usr/local/sbin:/usr/sbin:/sbin
 groff -Tascii -mtty-char
+PATH=/usr/local/bin:/home/bg/bin:/home/bg/.local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/usr/local/sbin:/usr/sbin:/sbin
 groff -Tlatin1 -mtty-char

####

  Comment:

 Added code to get the version of the nroff and the groff.
 It was at first the version from Debian in /usr/bin/.

 After changes, nroff was the latest in my build directory.

 I do not install the software after each compilation.

  My locale:

LANG=is_IS.iso88591
LANGUAGE=
LC_CTYPE="is_IS.iso88591"
LC_NUMERIC="is_IS.iso88591"
LC_TIME="is_IS.iso88591"
LC_COLLATE="is_IS.iso88591"
LC_MONETARY="is_IS.iso88591"
LC_MESSAGES="is_IS.iso88591"
LC_PAPER="is_IS.iso88591"
LC_NAME="is_IS.iso88591"
LC_ADDRESS="is_IS.iso88591"
LC_TELEPHONE="is_IS.iso88591"
LC_MEASUREMENT="is_IS.iso88591"
LC_IDENTIFICATION="is_IS.iso88591"
LC_ALL=


  My charmap: ISO-8859-1


  The make target "check" is not the same as the GNU standard (Debian
 version is out of date) mentions:

'check'
     Perform self-tests (if any).  The user must build the program
     before running the tests, but need not install the program; you
     should write the self-tests so that they work when the program is
     built but not installed.
 

  There is also a "installcheck" named in the standard,
 but it is empty in the Makefile of groff.


Suggestions:

  Add the version of the used commands to the output of the tests.

  Make "make check" work with the compiled versions in the build
directory.

N.B.

  Neither pre- nor post-processors are shown in the output of
"nroff -V ...".

  I expect that the same option in nroff and groff mean the same.


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