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diff --git a/macros/texinfo/texinfo/tp/maintain/lib/libintl-perl/tests/03language_xs.t b/macros/texinfo/texinfo/tp/maintain/lib/libintl-perl/tests/03language_xs.t
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index 0000000000..790ff662a9
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+++ b/macros/texinfo/texinfo/tp/maintain/lib/libintl-perl/tests/03language_xs.t
@@ -0,0 +1,106 @@
+#! /usr/local/bin/perl -w
+
+# vim: syntax=perl
+# vim: tabstop=4
+
+use strict;
+
+use Test;
+
+use constant NUM_TESTS => 8;
+
+use Locale::Messages qw (bindtextdomain textdomain gettext);
+require POSIX;
+require File::Spec;
+
+BEGIN {
+ my $package;
+ if ($0 =~ /_pp\.t$/) {
+ $package = 'gettext_pp';
+ } else {
+ $package = 'gettext_xs';
+ }
+
+ my $selected = Locale::Messages->select_package ($package);
+ if ($selected ne $package && 'gettext_xs' eq $package) {
+ print "1..0 # Skip: Locale::$package not available here.\n";
+ exit 0;
+ }
+
+ plan tests => NUM_TESTS;
+}
+
+# Clean environment first.
+foreach my $var (keys %ENV) {
+ if ('LC_' eq substr $var, 0, 3) {
+ Locale::Messages::nl_putenv ("$var");
+ }
+}
+
+Locale::Messages::nl_putenv ("LANGUAGE=de_AT");
+Locale::Messages::nl_putenv ("LC_ALL=de_AT");
+Locale::Messages::nl_putenv ("LANG=de_AT");
+Locale::Messages::nl_putenv ("LC_MESSAGES=de_AT");
+# Actually both de_AT and de are required. We assume here that
+# de will be installed, too, if de_AT is. This test does not
+# use Locale::Util::set_locale() for setting the locale, and
+# that is on purpose.
+my $missing_locale = Locale::Messages::setlocale (POSIX::LC_ALL() => '') ?
+ '' : 'locale de_AT missing';
+Locale::Messages::setlocale (POSIX::LC_ALL() => 'C');
+
+my $locale_dir = $0;
+$locale_dir =~ s,[^\\/]+$,, or $locale_dir = '.';
+$locale_dir .= '/LocaleData';
+
+my $textdomain = 'existing';
+Locale::Messages::nl_putenv ("LANG=whatever");
+Locale::Messages::nl_putenv ("LC_ALL=de_DE");
+Locale::Messages::nl_putenv ("LC_MESSAGES=whatever");
+Locale::Messages::nl_putenv ("LANGUAGE=ab_CD:ef_GH:de_AT:de");
+Locale::Messages::nl_putenv ("OUTPUT_CHARSET=iso-8859-1");
+Locale::Messages::setlocale (POSIX::LC_ALL(), '');
+
+my $bound_dir = bindtextdomain $textdomain => $locale_dir;
+
+ok defined $bound_dir;
+ok (File::Spec->catdir ($bound_dir), File::Spec->catdir ($locale_dir));
+
+my $bound_domain = textdomain $textdomain;
+
+ok defined $bound_domain;
+ok $bound_domain, $textdomain;
+
+# Austrian German has precedence.
+skip $missing_locale, gettext ('January'), 'Jänner';
+my $translation = gettext ('January');
+
+Locale::Messages::nl_putenv ("LANGUAGE=ab_CD:ef_GH:de:de_AT");
+skip $missing_locale, gettext ('February'), 'Februar'; # not 'Feber'!
+
+# Check that LC_ALL works.
+Locale::Messages::nl_putenv ("LANGUAGE");
+Locale::Messages::nl_putenv ("LC_ALL=de_DE.utf-8");
+Locale::Messages::setlocale (POSIX::LC_ALL(), '');
+skip $missing_locale, gettext ('February'), 'Februar';
+
+# But LANGUAGE has precedence.
+Locale::Messages::nl_putenv ("LANGUAGE=de_AT.utf-8");
+Locale::Messages::nl_putenv ("LC_ALL=de_DE.utf-8");
+Locale::Messages::setlocale (POSIX::LC_ALL(), '');
+skip $missing_locale, gettext ('February'), 'Feber';
+
+__END__
+
+Local Variables:
+mode: perl
+perl-indent-level: 4
+perl-continued-statement-offset: 4
+perl-continued-brace-offset: 0
+perl-brace-offset: -4
+perl-brace-imaginary-offset: 0
+perl-label-offset: -4
+cperl-indent-level: 4
+cperl-continued-statement-offset: 2
+tab-width: 4
+End: