Add new style tests from rra-c-util

Add the t/docs/changes.t and t/style/kwalitee.t tests from
rra-c-util.

t/docs/changes.t

@@ -0,0 +1,46 @@
+#!/usr/bin/perl
+#
+# Check Changes file for compliance with CPAN::Changes::Spec.
+#
+# The canonical version of this file is maintained in the rra-c-util package,
+# which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
+#
+# Copyright 2021, 2024 Russ Allbery <eagle@eyrie.org>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+#
+# SPDX-License-Identifier: MIT
+
+use 5.012;
+use warnings;
+
+use lib 't/lib';
+
+use Test::RRA qw(skip_unless_automated use_prereq);
+
+use Test::More;
+
+# Skip this test for normal user installs.
+skip_unless_automated('Changes format tests');
+
+# Load prerequisite modules.
+use_prereq('Test::CPAN::Changes');
+
+# Run the tests.
+changes_ok();

t/style/kwalitee.t

@@ -0,0 +1,55 @@
+#!/usr/bin/perl
+#
+# Test Perl code using the Kwalitee metrics from CPANTS.
+#
+# The canonical version of this file is maintained in the rra-c-util package,
+# which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
+#
+# Written by Russ Allbery <eagle@eyrie.org>
+# Copyright 2022, 2024 Russ Allbery <eagle@eyrie.org>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+#
+# SPDX-License-Identifier: MIT
+
+use 5.012;
+use warnings;
+
+use lib 't/lib';
+
+use Test::RRA qw(skip_unless_author use_prereq);
+
+use Test::More;
+
+# Skip tests unless we're running author tests.
+skip_unless_author('Distribution style tests');
+
+# Load prerequisite module.
+use_prereq('Test::Kwalitee', 'kwalitee_ok');
+
+# Do the testing.  Disable testing for use strict, since that's done as part
+# of a separate test.  Disable testing for META.yml if it's not present, since
+# it's generated as part of the distribution process but isn't normally
+# present in a development tree.
+my @options = qw(-use_strict);
+if (!-e 'META.yml') {
+    push(@options, '-has_meta_yml');
+}
+kwalitee_ok(@options);
+done_testing();