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[groff] 05/09: Add regression test for Savannah #42978.
From: |
G. Branden Robinson |
Subject: |
[groff] 05/09: Add regression test for Savannah #42978. |
Date: |
Wed, 21 Oct 2020 02:44:45 -0400 (EDT) |
gbranden pushed a commit to branch master
in repository groff.
commit e462a5e55180c22e3263335d172db1043020c22f
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Tue Oct 20 23:39:38 2020 +1100
Add regression test for Savannah #42978.
As usual, this fails right now, but the next commit will fix it.
---
src/preproc/tbl/tbl.am | 9 ++-
.../tbl/tests/save-and-restore-tab-stops.sh | 84 ++++++++++++++++++++++
2 files changed, 91 insertions(+), 2 deletions(-)
diff --git a/src/preproc/tbl/tbl.am b/src/preproc/tbl/tbl.am
index a22079d..c978ffc 100644
--- a/src/preproc/tbl/tbl.am
+++ b/src/preproc/tbl/tbl.am
@@ -7,8 +7,8 @@
# Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
-# groff is distributed in the hope that it will be useful, but WITHOUT ANY
-# WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# groff is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
@@ -24,6 +24,11 @@ tbl_SOURCES = \
PREFIXMAN1 += src/preproc/tbl/tbl.1
EXTRA_DIST += src/preproc/tbl/tbl.1.man
+tbl_TESTS = \
+ src/preproc/tbl/tests/save-and-restore-tab-stops.sh
+TESTS += $(tbl_TESTS)
+EXTRA_DIST += $(tbl_TESTS)
+
# Local Variables:
# fill-column: 72
diff --git a/src/preproc/tbl/tests/save-and-restore-tab-stops.sh
b/src/preproc/tbl/tests/save-and-restore-tab-stops.sh
new file mode 100755
index 0000000..b273107
--- /dev/null
+++ b/src/preproc/tbl/tests/save-and-restore-tab-stops.sh
@@ -0,0 +1,84 @@
+#!/bin/sh
+#
+# Copyright (C) 2020 Free Software Foundation, Inc.
+#
+# This file is part of groff.
+#
+# groff is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# groff is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+groff="${abs_top_builddir:-.}/test-groff"
+
+# Regression-test Savannah #42978.
+#
+# When tbl changes the tabs stops, it needs to restore them.
+#
+# Based on an example by Bjarni Igni Gislason.
+
+EXAMPLE='.TH tbl-tabs-test 1 2020-10-20 "groff test suite"
+.SH Name
+tbl-tabs-test \- see if tbl messes up the tab stops
+.SH Description
+Do not use tabs in man pages outside of
+.BR .TS / .TE
+regions.
+.PP
+But if you do.\|.\|.
+.PP
+.TS
+l l l.
+table entries long enough to change the tab stops
+.TE
+.PP
+.EX
+#!/bin/sh
+case $#
+1)
+ if foo
+ then
+ bar
+ else
+ if baz
+ then
+ qux
+ fi
+ fi
+;;
+esac
+.EE'
+
+OUTPUT=$(printf "%s\n" "$EXAMPLE" | "$groff" -Tascii -P-cbou -t -man)
+FAIL=
+
+if ! echo "$OUTPUT" | grep -Eq '^ {12}if foo$'
+then
+ FAIL=yes
+ echo "first tab stop is wrong" >&2
+fi
+
+if ! echo "$OUTPUT" | grep -Eq '^ {17}bar$'
+then
+ FAIL=yes
+ echo "second tab stop is wrong" >&2
+fi
+
+if ! echo "$OUTPUT" | grep -Eq '^ {22}qux$'
+then
+ FAIL=yes
+ echo "third tab stop is wrong" >&2
+fi
+
+test -z "$FAIL"
+
+# vim:set ai noet sw=4 ts=4 tw=72:
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