[groff] 02/16: [tests]: Add more grohtml smoke tests.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit fc8215a32f196d5b5bdedf15bcabd74dabcae1f0
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Tue Dec 13 03:10:36 2022 -0600

    [tests]: Add more grohtml smoke tests.
    
    * src/roff/groff/tests/smoke-test_html_device.sh: Add checks for
      inlining of images when tbl(1) or eqn(1) used.
    
    Prompted by observation of delicate interaction of `ps4html` and `P`
    registers in man(7) pages.
---
 ChangeLog                                      |  5 +++
 src/roff/groff/tests/smoke-test_html_device.sh | 54 ++++++++++++++++++++++----
 2 files changed, 51 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 4b2c770d8..a08782a4a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2022-12-13  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * src/roff/groff/tests/smoke-test_html_device.sh: Add checks for
+       inlining of images when tbl(1) or eqn(1) used.
+
 2022-12-12  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * tmac/andoc.tmac (reload-man): Unplant `doc-break-body-text`
diff --git a/src/roff/groff/tests/smoke-test_html_device.sh 
b/src/roff/groff/tests/smoke-test_html_device.sh
index c58d8ea41..63fb27a8b 100755
--- a/src/roff/groff/tests/smoke-test_html_device.sh
+++ b/src/roff/groff/tests/smoke-test_html_device.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2020 Free Software Foundation, Inc.
+# Copyright (C) 2020, 2022 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
@@ -20,20 +20,58 @@
 
 groff="${abs_top_builddir:-.}/test-groff"
 
-# We can't run these tests if the environment doesn't support UTF-8.
-test "$(locale charmap)" = UTF-8 || exit 77 # skip
+fail=
+
+wail () {
+  echo ...FAILED >&2
+  fail=yes
+}
+
+cleanup () {
+  rm -f grohtml-[0-9]*-[12].png
+}
+
+trap 'trap - HUP INT QUIT TERM; cleanup; kill -s INT $$' \
+  HUP INT QUIT TERM
+
+input='.TS
+L.
+foobar
+.TE'
+
+# Inline images are named grohtml-$$-<image sequence number>.png.
 
-set -e
+echo "checking production of inline image for tbl(1) table" >&2
+output=$(echo "$input" | "$groff" -t -Thtml)
+echo "$output" | grep -q '<img src="grohtml-[0-9]\+-1.png"' || wail
+
+input='.EQ
+x sup 2 + y sup 2 = z sup 2
+.EN'
+
+echo "checking production of inline image for eqn(1) equation" >&2
+output=$(echo "$input" | "$groff" -e -Thtml)
+echo "$output" | grep -q '<img src="grohtml-[0-9]\+-2.png"' || wail
+
+# We can't run remaining tests if the environment doesn't support UTF-8.
+test "$(locale charmap)" = UTF-8 || exit 77 # skip
 
 # Check two forms of character transformation.
 #
 # dash's built-in printf doesn't support \x or \u escapes, so likely
 # other shells don't either, and expecting one that does to be in the
 # $PATH seems optimistic.  So use UTF-8 octal bytes directly.
-echo "testing -k -Thtml" >&2
-printf '\303\241' | "$groff" -k -Thtml | grep -qx '<p>&aacute;</p>'
+echo "checking -k -Thtml" >&2
+printf '\303\241' | "$groff" -k -Thtml | grep -qx '<p>&aacute;</p>' \
+  || wail
 
 # We test compatibility-mode HTML output somewhat differently since
 # preconv only emits groffish \[uXXXX] escapes for non-ASCII codepoints.
-echo "testing -C -k -Thtml" >&2
-printf "\('a" | "$groff" -C -k -Thtml | grep -qx '<p>&aacute;</p>'
+echo "checking -C -k -Thtml" >&2
+printf "\('a" | "$groff" -C -k -Thtml | grep -qx '<p>&aacute;</p>' \
+  || wail
+
+cleanup
+test -z "$fail"
+
+# vim:set autoindent expandtab shiftwidth=2 tabstop=2 textwidth=72: