# $RCSfile: local.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:04 $
-print "1..25\n";
+print "1..47\n";
sub foo {
local($a, $b) = @_;
eval 'local(%$e)';
print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 23\n";
+# Array and hash elements
+
+@a = ('a', 'b', 'c');
+{
+ local($a[1]) = 'foo';
+ local($a[2]) = $a[2];
+ print +($a[1] eq 'foo') ? "" : "not ", "ok 24\n";
+ print +($a[2] eq 'c') ? "" : "not ", "ok 25\n";
+ undef @a;
+}
+print +($a[1] eq 'b') ? "" : "not ", "ok 26\n";
+print +($a[2] eq 'c') ? "" : "not ", "ok 27\n";
+print +(!defined $a[0]) ? "" : "not ", "ok 28\n";
+
+@a = ('a', 'b', 'c');
+{
+ local($a[1]) = "X";
+ shift @a;
+}
+print +($a[0].$a[1] eq "Xb") ? "" : "not ", "ok 29\n";
+
+%h = ('a' => 1, 'b' => 2, 'c' => 3);
+{
+ local($h{'a'}) = 'foo';
+ local($h{'b'}) = $h{'b'};
+ print +($h{'a'} eq 'foo') ? "" : "not ", "ok 30\n";
+ print +($h{'b'} == 2) ? "" : "not ", "ok 31\n";
+ local($h{'c'});
+ delete $h{'c'};
+}
+print +($h{'a'} == 1) ? "" : "not ", "ok 32\n";
+print +($h{'b'} == 2) ? "" : "not ", "ok 33\n";
+print +($h{'c'} == 3) ? "" : "not ", "ok 34\n";
+
# check for scope leakage
$a = 'outer';
if (1) { local $a = 'inner' }
-print +($a eq 'outer') ? "" : "not ", "ok 24\n";
+print +($a eq 'outer') ? "" : "not ", "ok 35\n";
# see if localization works when scope unwinds
-
local $m = 5;
eval {
for $m (6) {
die "bye";
}
};
-print $m == 5 ? "" : "not ", "ok 25\n";
+print $m == 5 ? "" : "not ", "ok 36\n";
+
+# see if localization works on tied arrays
+{
+ package TA;
+ sub TIEARRAY { bless [], $_[0] }
+ sub STORE { print "# STORE [@_]\n"; $_[0]->[$_[1]] = $_[2] }
+ sub FETCH { my $v = $_[0]->[$_[1]]; print "# FETCH [@_=$v]\n"; $v }
+ sub CLEAR { print "# CLEAR [@_]\n"; @{$_[0]} = (); }
+ sub FETCHSIZE { scalar(@{$_[0]}) }
+ sub SHIFT { shift (@{$_[0]}) }
+ sub EXTEND {}
+}
+
+tie @a, 'TA';
+@a = ('a', 'b', 'c');
+{
+ local($a[1]) = 'foo';
+ local($a[2]) = $a[1]; # XXX LHS == RHS doesn't work yet
+ print +($a[1] eq 'foo') ? "" : "not ", "ok 37\n";
+ print +($a[2] eq 'foo') ? "" : "not ", "ok 38\n";
+ @a = ();
+}
+print +($a[1] eq 'b') ? "" : "not ", "ok 39\n";
+print +($a[2] eq 'c') ? "" : "not ", "ok 40\n";
+print +(!defined $a[0]) ? "" : "not ", "ok 41\n";
+
+{
+ package TH;
+ sub TIEHASH { bless {}, $_[0] }
+ sub STORE { print "# STORE [@_]\n"; $_[0]->{$_[1]} = $_[2] }
+ sub FETCH { my $v = $_[0]->{$_[1]}; print "# FETCH [@_=$v]\n"; $v }
+ sub DELETE { print "# DELETE [@_]\n"; delete $_[0]->{$_[1]}; }
+ sub CLEAR { print "# CLEAR [@_]\n"; %{$_[0]} = (); }
+}
+
+# see if localization works on tied hashes
+tie %h, 'TH';
+%h = ('a' => 1, 'b' => 2, 'c' => 3);
+
+{
+ local($h{'a'}) = 'foo';
+ local($h{'b'}) = $h{'a'}; # XXX LHS == RHS doesn't work yet
+ print +($h{'a'} eq 'foo') ? "" : "not ", "ok 42\n";
+ print +($h{'b'} eq 'foo') ? "" : "not ", "ok 43\n";
+ local($h{'c'});
+ delete $h{'c'};
+}
+print +($h{'a'} == 1) ? "" : "not ", "ok 44\n";
+print +($h{'b'} == 2) ? "" : "not ", "ok 45\n";
+print +($h{'c'} == 3) ? "" : "not ", "ok 46\n";
+
+@a = ('a', 'b', 'c');
+{
+ local($a[1]) = "X";
+ shift @a;
+}
+print +($a[0].$a[1] eq "Xb") ? "" : "not ", "ok 47\n";
+