Increased minimum required Perl version to 5.8.9

Changes

@@ -1,7 +1,7 @@
 Revision history for Perl extension Util::H2O.
 
 0.26	not yet released
-	- ...
+	- Increased minimum required Perl version to 5.8.9
 
 0.24	Wed, Dec 13 2023	commit 10a8b75ad51a195fc8c8a7a5e8633bec4bf6eb8b
 	- fix a bug where o2h would die on scalars that looked like options

Makefile.PL

@@ -6,13 +6,13 @@ WriteMakefile(
 	LICENSE          => 'perl_5',
 	VERSION_FROM     => 'lib/Util/H2O.pm',
 	ABSTRACT_FROM    => 'lib/Util/H2O.pm',
-	MIN_PERL_VERSION => '5.6.0',
+	MIN_PERL_VERSION => '5.8.9',
 	META_MERGE => {
 		'meta-spec' => { version => 2 },
 		provides => {
 			'Util::H2O' => {
 				file => 'lib/Util/H2O.pm',
-				version => '0.24',
+				version => '0.26',
 			},
 		},
 		resources => {
@@ -34,9 +34,7 @@ WriteMakefile(
 		'Carp'                   => 0,
 		'Exporter'               => '5.58',
 		'Symbol'                 => 0,
-		( $] ge '5.008009' ? (
-		    'Hash::Util'         => '0.06',
-		):()),
+		'Hash::Util'             => '0.06',
 	},
 	TEST_REQUIRES => {
 		'Test::More'             => '1.302096',

README.md

@@ -30,7 +30,7 @@ instead of `make`.
 Dependencies
 ------------
 
-Requirements: Perl v5.6 or higher (a more current version is *strongly*
+Requirements: Perl v5.8.9 or higher (a more current version is *strongly*
 recommended) and several of its core modules; users of older Perls may need
 to upgrade some core modules.
 

lib/Util/H2O.pm

@@ -2,9 +2,10 @@
 package Util::H2O;
 use warnings;
 use strict;
-use Exporter 'import';
 use Carp;
+use Exporter 'import';
 use Symbol qw/delete_package/;
+use Hash::Util qw/ lock_ref_keys lock_hashref /;
 
 =head1 Name
 
@@ -46,21 +47,6 @@ our $VERSION = '0.26';
 our @EXPORT = qw/ h2o /;  ## no critic (ProhibitAutomaticExportation)
 our @EXPORT_OK = qw/ o2h /;
 
-BEGIN {
-	# lock_ref_keys wasn't available until Hash::Util 0.06 / Perl v5.8.9
-	# (note the following will probably also fail on the Perl v5.9 dev releases)
-	# uncoverable branch false
-	# uncoverable condition false
-	if ( $] ge '5.008009' ) {
-		require Hash::Util;
-		Hash::Util->import(qw/ lock_ref_keys lock_hashref /) }
-	else {
-		*lock_ref_keys = *lock_hashref = sub {
-			carp "this Perl is too old to lock the hash";  # uncoverable statement
-		};  # uncoverable statement
-	}
-}
-
 =head1 Description
 
 This module allows you to turn hashrefs into objects, so that instead
@@ -223,11 +209,10 @@ Keysets of objects created by the constructor generated by the
 C<-new> option are also locked. Versions of this module before
 v0.12 did not lock the keysets of new objects.
 
-Note that on really old Perls, that is, before Perl v5.8.9,
-L<Hash::Util> and its C<lock_ref_keys> are not available, so the hash
-is never locked on those versions of Perl. Versions of this module
-before v0.06 did not lock the keyset.
+Versions of this module before v0.06 did not lock the keyset.
 Versions of this module as of v0.12 issue a warning on old Perls.
+(Versions of this module before v0.26 were compatible with Perls older than v5.8.9,
+where L<Hash::Util> and its C<lock_ref_keys> were not available.)
 
 =item C<-nolock>
 
@@ -244,9 +229,7 @@ also use the C<-new> option - the additional keys will then only be useful as
 arguments to the constructor. This option can't be used with C<-nolock> or
 C<< -lock=>0 >>.
 
-This option was added in v0.12. Using this option will not work and cause a
-warning when used on really old Perls (before v5.8.9), because this
-functionality was not yet available there.
+This option was added in v0.12.
 
 =item C<< -pass => "ref" I<or> "undef" >>
 

t/Util-H2O.t

@@ -20,7 +20,7 @@ L<http://perldoc.perl.org/perlartistic.html>.
 
 =cut
 
-use Test::More tests => 343;
+use Test::More tests => 339;
 use Scalar::Util qw/blessed/;
 use Symbol qw/delete_package/;
 
@@ -33,9 +33,6 @@ diag "This is Perl $] at $^X on $^O";
 BEGIN { use_ok 'Util::H2O' }
 is $Util::H2O::VERSION, '0.26';
 
-diag "If all tests pass, you can ignore the \"this Perl is too old\" warnings"
-	if $] lt '5.008009';
-
 my $PACKRE = $Util::H2O::_PACKAGE_REGEX;  ## no critic (ProtectPrivateVars)
 
 {
@@ -86,11 +83,8 @@ my $PACKRE = $Util::H2O::_PACKAGE_REGEX;  ## no critic (ProtectPrivateVars)
 }
 {
 	my $o = h2o -recurse, { foo => { bar => "quz" } };
-	SKIP: {
-		skip "Won't work on old Perls", 2 if $] lt '5.008009';
-		ok exception { $o->{abc} = 123 };
-		ok exception { $o->foo->{def} = 456 };
-	}
+	ok exception { $o->{abc} = 123 };
+	ok exception { $o->foo->{def} = 456 };
 	my $o2 = h2o -recurse, -nolock, { foo => { bar => "quz" } };
 	$o2->{abc} = 123;
 	$o2->foo->{def} = 456;
@@ -153,11 +147,8 @@ my $PACKRE = $Util::H2O::_PACKAGE_REGEX;  ## no critic (ProtectPrivateVars)
 # -arrays + -lock + -ro
 {
 	my $o = h2o -arrays, -lock=>1, -ro, { abc => [ { def => 'ghi' } ] };
-	SKIP: {
-		skip "Won't work on old Perls", 2 if $] lt '5.008009';
-		ok exception { my $x = $o->{zzz} };
-		ok exception { my $y = $o->{abc}[0]{def}{yyy} };
-	}
+	ok exception { my $x = $o->{zzz} };
+	ok exception { my $y = $o->{abc}[0]{def}{yyy} };
 	is $o->abc->[0]->def, 'ghi';
 	ok exception { $o->abc(123) };
 	ok exception { $o->abc->[0]->def(123) };
@@ -205,11 +196,8 @@ my $PACKRE = $Util::H2O::_PACKAGE_REGEX;  ## no critic (ProtectPrivateVars)
 # o2h + -lock + -ro
 {
 	my $o = h2o -recurse, -lock=>1, -ro, { abc => { def => { ghi => 555 } } };
-	SKIP: {
-		skip "Won't work on old Perls", 2 if $] lt '5.008009';
-		ok exception { my $x = $o->{zzz} };
-		ok exception { my $y = $o->{abc}{def}{yyy} };
-	}
+	ok exception { my $x = $o->{zzz} };
+	ok exception { my $y = $o->{abc}{def}{yyy} };
 	my $h = o2h $o;
 	is ref $h, 'HASH';
 	is ref $h->{abc}{def}, 'HASH';
@@ -268,10 +256,7 @@ my $PACKRE = $Util::H2O::_PACKAGE_REGEX;  ## no critic (ProtectPrivateVars)
 	is $o->y, 222;
 	is_deeply [sort keys %$o], [qw/ x /];
 	is $o->{x}, 111;
-	SKIP: {
-		skip "Won't work on old Perls", 1 if $] lt '5.008009';
-		ok exception { my $x = $o->{y} };
-	}
+	ok exception { my $x = $o->{y} };
 }
 {
 	my $o = h2o -meth, { x=>111, y=>sub{222} }, qw/y/;
@@ -402,11 +387,8 @@ sub checksym {
 	is $n3->abc, 444;
 	like exception { Quz->new(abc=>4,5) }, qr/\bOdd\b/;
 	like exception { Quz->new(def=>4) }, qr/\bUnknown argument\b/i;
-	SKIP: {
-		skip "Won't work on old Perls", 2 if $] lt '5.008009';
-		ok exception { my $x = $n->{new} };
-		ok exception { my $x = $n->{DESTROY} };
-	}
+	ok exception { my $x = $n->{new} };
+	ok exception { my $x = $n->{DESTROY} };
 }
 {
 	my $o = h2o -meth, -new, { x=>111, y=>sub{222} }, qw/y/;
@@ -448,8 +430,7 @@ sub checksym {
 	is $o->test, "<def>";
 	ok exists &Yet::Another::h2o;
 }
-SKIP: {
-	skip "Won't work on really old Perls", 2 if $] lt '5.008';
+{
 	my @w = warns {
 		my $x = h2o -clean=>1, -classify, {};
 		isa_ok $x, 'main';
@@ -466,19 +447,13 @@ SKIP: {
 	$o->{bar} = 456;
 	is $o->{bar}, 456;
 	is_deeply [sort keys %$o], [qw/ bar foo /];
-	SKIP: {
-		skip "Won't work on old Perls", 2 if $] lt '5.008009';
-		ok exception { my $x = $o->{quz} };
-		ok exception { $o->{quz} = 789 };
-	}
+	ok exception { my $x = $o->{quz} };
+	ok exception { $o->{quz} = 789 };
 }
 {
 	my $o = h2o -lock=>1, { foo=>123 }, qw/ bar /;
-	SKIP: {
-		skip "Won't work on old Perls", 2 if $] lt '5.008009';
-		ok exception { my $x = $o->{quz} };
-		ok exception { $o->{quz} = 789 };
-	}
+	ok exception { my $x = $o->{quz} };
+	ok exception { $o->{quz} = 789 };
 }
 {
 	my $o = h2o -lock=>0, { foo=>123 }, qw/ bar /;
@@ -511,15 +486,8 @@ SKIP: {
 {
 	h2o -class=>'Baz', -new, {}, qw/ abc /;
 	my $n = Baz->new(abc=>123);
-	if ($] lt '5.008009') {
-		$n->{def} = 456;
-		is_deeply [sort keys %$n], [qw/ abc def /];
-		pass 'dummy'; # so the number of tests still fits
-	}
-	else {
-		ok exception { $n->{def} = 456 };
-		is_deeply [sort keys %$n], [qw/ abc /];
-	}
+	ok exception { $n->{def} = 456 };
+	is_deeply [sort keys %$n], [qw/ abc /];
 }
 {
 	h2o -class=>'Baz2', -new, -nolock, {}, qw/ abc /;
@@ -529,8 +497,7 @@ SKIP: {
 }
 
 # -ro
-SKIP: {
-	skip "Won't work on old Perls", 36 if $] lt '5.008009';
+{
 	my $o = h2o -ro, { foo=>123, bar=>undef };
 	is $o->foo, 123;
 	is $o->bar, undef;
@@ -695,20 +662,6 @@ my @redef_warns = warns {
 # There were spurious CPAN Testers failures here, see xt/redef.t for details
 ok !grep { /redefined/i } @redef_warns or diag explain \@redef_warns;  ## no critic (ProhibitMixedBooleanOperators)
 
-SKIP: {
-	skip "Tests only for old Perls", 4 if $] ge '5.008009';
-	my @w = warns {
-		my $o1 = h2o {};
-		$o1->{bar} = 456;
-		is_deeply [%$o1], [ bar=>456 ];
-		my $o2 = h2o -ro, { foo=>123 };
-		$o2->{foo} = 456;
-		ok exception { $o2->foo(789) };
-		is_deeply [%$o2], [ foo=>456 ];
-	};
-	is grep({ /\btoo old\b/i } @w), 2;
-}
-
 { # -pass
 	like blessed( h2o {} ), $PACKRE;
 	like blessed( h2o -pass=>'undef', {} ), $PACKRE;
@@ -767,7 +720,4 @@ ok exception { o2h(-arrays) };
 ok exception { o2h(undef, undef) };
 ok exception { o2h({x=>1},{y=>2}) };
 
-diag "If all tests pass, you can ignore the \"this Perl is too old\" warnings"
-	if $] lt '5.008009';
-
 done_testing;

xt/author.t

@@ -70,7 +70,7 @@ pod_file_ok($_) for @PERLFILES;
 my @tasks;
 for my $file (@PERLFILES) {
 	critic_ok($file);
-	minimum_version_ok($file, '5.006');
+	minimum_version_ok($file, '5.008009');
 	open my $fh, '<', $file or die "$file: $!";  ## no critic (RequireCarping)
 	while (<$fh>) {
 		s/\A\s+|\s+\z//g;