chdir 't' if -d 't';
require './test.pl';
}
-plan tests => 85;
+plan tests => 114;
+
+my $list_assignment_supported = 1;
+
+#mg.c says list assignment not supported on VMS, EPOC, and SYMBIAN.
+$list_assignment_supported = 0 if ($^O eq 'VMS');
+
sub foo {
local($a, $b) = @_;
# local() should preserve the existenceness of %ENV elements
ok(! exists $ENV{_A_});
ok(! exists $ENV{_B_});
-{
+
+SKIP: {
+ skip("Can't make list assignment to \%ENV on this system")
+ unless $list_assignment_supported;
my $d = join("\n", map { "$_=>$ENV{$_}" } sort keys %ENV);
local %ENV = %ENV;
is(join("\n", map { "$_=>$ENV{$_}" } sort keys %ENV), $d);
# The s/// adds 'g' magic to $_, but it should remain non-readonly
eval { for("a") { for $x (1,2) { local $_="b"; s/(.*)/+$1/ } } };
is($@, "");
+
+# Special local() behavior for $[
+# (see RT #38207 - Useless localization of constant ($[) in getopts.pl}
+{
+ local $[ = 1;
+ local $TODO = "local() not currently working correctly with \$[";
+ ok(1 == $[);
+ undef $TODO;
+ f();
+}
+
+sub f { ok(0 == $[); }
+
+# sub localisation
+{
+ package Other;
+
+ sub f1 { "f1" }
+ sub f2 { "f2" }
+
+ no warnings "redefine";
+ {
+ local *f1 = sub { "g1" };
+ ::ok(f1() eq "g1", "localised sub via glob");
+ }
+ ::ok(f1() eq "f1", "localised sub restored");
+ {
+ local $Other::{"f1"} = sub { "h1" };
+ ::ok(f1() eq "h1", "localised sub via stash");
+ }
+ ::ok(f1() eq "f1", "localised sub restored");
+ {
+ local @Other::{qw/ f1 f2 /} = (sub { "j1" }, sub { "j2" });
+ ::ok(f1() eq "j1", "localised sub via stash slice");
+ ::ok(f2() eq "j2", "localised sub via stash slice");
+ }
+ ::ok(f1() eq "f1", "localised sub restored");
+ ::ok(f2() eq "f2", "localised sub restored");
+}
+
+# Localising unicode keys (bug #38815)
+{
+ my %h;
+ $h{"\243"} = "pound";
+ $h{"\302\240"} = "octects";
+ is(scalar keys %h, 2);
+ {
+ my $unicode = chr 256;
+ my $ambigous = "\240" . $unicode;
+ chop $ambigous;
+ local $h{$unicode} = 256;
+ local $h{$ambigous} = 160;
+
+ is(scalar keys %h, 4);
+ is($h{"\243"}, "pound");
+ is($h{$unicode}, 256);
+ is($h{$ambigous}, 160);
+ is($h{"\302\240"}, "octects");
+ }
+ is(scalar keys %h, 2);
+ is($h{"\243"}, "pound");
+ is($h{"\302\240"}, "octects");
+}
+
+# And with slices
+{
+ my %h;
+ $h{"\243"} = "pound";
+ $h{"\302\240"} = "octects";
+ is(scalar keys %h, 2);
+ {
+ my $unicode = chr 256;
+ my $ambigous = "\240" . $unicode;
+ chop $ambigous;
+ local @h{$unicode, $ambigous} = (256, 160);
+
+ is(scalar keys %h, 4);
+ is($h{"\243"}, "pound");
+ is($h{$unicode}, 256);
+ is($h{$ambigous}, 160);
+ is($h{"\302\240"}, "octects");
+ }
+ is(scalar keys %h, 2);
+ is($h{"\243"}, "pound");
+ is($h{"\302\240"}, "octects");
+}
+
+# [perl #39012] localizing @_ element then shifting frees element too # soon
+
+{
+ my $x;
+ my $y = bless [], 'X39012';
+ sub X39012::DESTROY { $x++ }
+ sub { local $_[0]; shift }->($y);
+ ok(!$x, '[perl #39012]');
+
+}
+