#!./perl
-print "1..75\n";
+BEGIN {
+ chdir 't' if -d 't';
+ require './test.pl';
+}
+plan tests => 85;
+
+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, $b) = @_;
local($c, $d);
- $c = "ok 3\n";
- $d = "ok 4\n";
- { local($a,$c) = ("ok 9\n", "ok 10\n"); ($x, $y) = ($a, $c); }
- print $a, $b;
- $c . $d;
+ $c = "c 3";
+ $d = "d 4";
+ { local($a,$c) = ("a 9", "c 10"); ($x, $y) = ($a, $c); }
+ is($a, "a 1");
+ is($b, "b 2");
+ $c, $d;
}
-$a = "ok 5\n";
-$b = "ok 6\n";
-$c = "ok 7\n";
-$d = "ok 8\n";
+$a = "a 5";
+$b = "b 6";
+$c = "c 7";
+$d = "d 8";
-print &foo("ok 1\n","ok 2\n");
+my @res;
+@res = &foo("a 1","b 2");
+is($res[0], "c 3");
+is($res[1], "d 4");
-print $a,$b,$c,$d,$x,$y;
+is($a, "a 5");
+is($b, "b 6");
+is($c, "c 7");
+is($d, "d 8");
+is($x, "a 9");
+is($y, "c 10");
# same thing, only with arrays and associative arrays
sub foo2 {
local($a, @b) = @_;
local(@c, %d);
- @c = "ok 13\n";
- $d{''} = "ok 14\n";
- { local($a,@c) = ("ok 19\n", "ok 20\n"); ($x, $y) = ($a, @c); }
- print $a, @b;
- $c[0] . $d{''};
+ @c = "c 3";
+ $d{''} = "d 4";
+ { local($a,@c) = ("a 19", "c 20"); ($x, $y) = ($a, @c); }
+ is($a, "a 1");
+ is("@b", "b 2");
+ $c[0], $d{''};
}
-$a = "ok 15\n";
-@b = "ok 16\n";
-@c = "ok 17\n";
-$d{''} = "ok 18\n";
+$a = "a 5";
+@b = "b 6";
+@c = "c 7";
+$d{''} = "d 8";
+
+@res = &foo2("a 1","b 2");
+is($res[0], "c 3");
+is($res[1], "d 4");
-print &foo2("ok 11\n","ok 12\n");
+is($a, "a 5");
+is("@b", "b 6");
+is($c[0], "c 7");
+is($d{''}, "d 8");
+is($x, "a 19");
+is($y, "c 20");
-print $a,@b,@c,%d,$x,$y;
eval 'local($$e)';
-print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 21\n";
+like($@, qr/Can't localize through a reference/);
eval '$e = []; local(@$e)';
-print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 22\n";
+like($@, qr/Can't localize through a reference/);
eval '$e = {}; local(%$e)';
-print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 23\n";
+like($@, qr/Can't localize through a reference/);
# Array and hash elements
{
local($a[1]) = 'foo';
local($a[2]) = $a[2];
- print +($a[1] eq 'foo') ? "" : "not ", "ok 24\n";
- print +($a[2] eq 'c') ? "" : "not ", "ok 25\n";
+ is($a[1], 'foo');
+ is($a[2], 'c');
undef @a;
}
-print +($a[1] eq 'b') ? "" : "not ", "ok 26\n";
-print +($a[2] eq 'c') ? "" : "not ", "ok 27\n";
-print +(!defined $a[0]) ? "" : "not ", "ok 28\n";
+is($a[1], 'b');
+is($a[2], 'c');
+ok(!defined $a[0]);
@a = ('a', 'b', 'c');
{
local($a[1]) = "X";
shift @a;
}
-print +($a[0].$a[1] eq "Xb") ? "" : "not ", "ok 29\n";
+is($a[0].$a[1], "Xb");
+{
+ my $d = "@a";
+ local @a = @a;
+ is("@a", $d);
+}
%h = ('a' => 1, 'b' => 2, 'c' => 3);
{
local($h{'a'}) = 'foo';
local($h{'b'}) = $h{'b'};
- print +($h{'a'} eq 'foo') ? "" : "not ", "ok 30\n";
- print +($h{'b'} == 2) ? "" : "not ", "ok 31\n";
+ is($h{'a'}, 'foo');
+ is($h{'b'}, 2);
local($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";
+is($h{'a'}, 1);
+is($h{'b'}, 2);
+{
+ my $d = join("\n", map { "$_=>$h{$_}" } sort keys %h);
+ local %h = %h;
+ is(join("\n", map { "$_=>$h{$_}" } sort keys %h), $d);
+}
+is($h{'c'}, 3);
# check for scope leakage
$a = 'outer';
if (1) { local $a = 'inner' }
-print +($a eq 'outer') ? "" : "not ", "ok 35\n";
+is($a, 'outer');
# see if localization works when scope unwinds
local $m = 5;
die "bye";
}
};
-print $m == 5 ? "" : "not ", "ok 36\n";
+is($m, 5);
# see if localization works on tied arrays
{
{
local($a[1]) = 'foo';
local($a[2]) = $a[2];
- print +($a[1] eq 'foo') ? "" : "not ", "ok 37\n";
- print +($a[2] eq 'c') ? "" : "not ", "ok 38\n";
+ is($a[1], 'foo');
+ is($a[2], 'c');
@a = ();
}
-print +($a[1] eq 'b') ? "" : "not ", "ok 39\n";
-print +($a[2] eq 'c') ? "" : "not ", "ok 40\n";
-print +(!defined $a[0]) ? "" : "not ", "ok 41\n";
+is($a[1], 'b');
+is($a[2], 'c');
+ok(!defined $a[0]);
+{
+ my $d = "@a";
+ local @a = @a;
+ is("@a", $d);
+}
{
package TH;
sub EXISTS { print "# EXISTS [@_]\n"; exists $_[0]->{$_[1]}; }
sub DELETE { print "# DELETE [@_]\n"; delete $_[0]->{$_[1]}; }
sub CLEAR { print "# CLEAR [@_]\n"; %{$_[0]} = (); }
+ sub FIRSTKEY { print "# FIRSTKEY [@_]\n"; keys %{$_[0]}; each %{$_[0]} }
+ sub NEXTKEY { print "# NEXTKEY [@_]\n"; each %{$_[0]} }
}
# see if localization works on tied hashes
local($h{'b'}) = $h{'b'};
local($h{'y'});
local($h{'z'}) = 33;
- print +($h{'a'} eq 'foo') ? "" : "not ", "ok 42\n";
- print +($h{'b'} == 2) ? "" : "not ", "ok 43\n";
+ is($h{'a'}, 'foo');
+ is($h{'b'}, 2);
local($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";
+is($h{'a'}, 1);
+is($h{'b'}, 2);
+is($h{'c'}, 3);
+# local() should preserve the existenceness of tied hash elements
+ok(! exists $h{'y'});
+ok(! exists $h{'z'});
+TODO: {
+ todo_skip("Localize entire tied hash");
+ my $d = join("\n", map { "$_=>$h{$_}" } sort keys %h);
+ local %h = %h;
+ is(join("\n", map { "$_=>$h{$_}" } sort keys %h), $d);
+}
@a = ('a', 'b', 'c');
{
local($a[1]) = "X";
shift @a;
}
-print +($a[0].$a[1] eq "Xb") ? "" : "not ", "ok 47\n";
+is($a[0].$a[1], "Xb");
# now try the same for %SIG
local($SIG{TERM}) = $SIG{TERM};
local($SIG{INT}) = $SIG{INT};
local($SIG{__WARN__}) = $SIG{__WARN__};
- print +($SIG{TERM} eq 'main::foo') ? "" : "not ", "ok 48\n";
- print +($SIG{INT} eq \&foo) ? "" : "not ", "ok 49\n";
- print +($SIG{__WARN__} eq \&foo) ? "" : "not ", "ok 50\n";
+ is($SIG{TERM}, 'main::foo');
+ is($SIG{INT}, \&foo);
+ is($SIG{__WARN__}, \&foo);
local($SIG{INT});
delete $SIG{__WARN__};
}
-print +($SIG{TERM} eq 'main::foo') ? "" : "not ", "ok 51\n";
-print +($SIG{INT} eq \&foo) ? "" : "not ", "ok 52\n";
-print +($SIG{__WARN__} eq \&foo) ? "" : "not ", "ok 53\n";
+is($SIG{TERM}, 'main::foo');
+is($SIG{INT}, \&foo);
+is($SIG{__WARN__}, \&foo);
+{
+ my $d = join("\n", map { "$_=>$SIG{$_}" } sort keys %SIG);
+ local %SIG = %SIG;
+ is(join("\n", map { "$_=>$SIG{$_}" } sort keys %SIG), $d);
+}
# and for %ENV
local($ENV{_B_}) = 'foo';
local($ENV{_X_}) = 'foo';
local($ENV{_Y_}) = $ENV{_Y_};
- print +($ENV{_X_} eq 'foo') ? "" : "not ", "ok 54\n";
- print +($ENV{_Y_} eq 'b') ? "" : "not ", "ok 55\n";
+ is($ENV{_X_}, 'foo');
+ is($ENV{_Y_}, 'b');
local($ENV{_Z_});
delete $ENV{_Z_};
}
-print +($ENV{_X_} eq 'a') ? "" : "not ", "ok 56\n";
-print +($ENV{_Y_} eq 'b') ? "" : "not ", "ok 57\n";
-print +($ENV{_Z_} eq 'c') ? "" : "not ", "ok 58\n";
+is($ENV{_X_}, 'a');
+is($ENV{_Y_}, 'b');
+is($ENV{_Z_}, 'c');
+# 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), $d);
+}
# does implicit localization in foreach skip magic?
-$_ = "ok 59,ok 60,";
+$_ = "o 0,o 1,";
my $iter = 0;
while (/(o.+?),/gc) {
- print "$1\n";
+ is($1, "o $iter");
foreach (1..1) { $iter++ }
- if ($iter > 2) { print "not ok 60\n"; last; }
+ if ($iter > 2) { fail("endless loop"); last; }
}
{
sub FETCH { die "read \$_ forbidden" }
sub STORE { die "write \$_ forbidden" }
tie $_, __PACKAGE__;
- my $t = 61;
my @tests = (
"Nesting" => sub { print '#'; for (1..3) { print }
print "\n" }, 1,
"for local" => sub { for("#ok?\n"){ print } }, 1,
);
while ( ($name, $code, $ok) = splice(@tests, 0, 3) ) {
- print "# Testing $name\n";
eval { &$code };
- print(($ok xor $@) ? "ok $t\n" : "not ok $t\n");
- ++$t;
+ main::ok(($ok xor $@), "Underscore '$name'");
}
untie $_;
}
my %x;
$x{a} = 1;
{ local $x{b} = 1; }
- print "not " if exists $x{b};
- print "ok 70\n";
+ ok(! exists $x{b});
{ local @x{c,d,e}; }
- print "not " if exists $x{c};
- print "ok 71\n";
+ ok(! exists $x{c});
}
-# these tests should be physically located after tests 46 and 58,
-# but are here instead to avoid renumbering everything.
+# local() and readonly magic variables
+
+eval { local $1 = 1 };
+like($@, qr/Modification of a read-only value attempted/);
+
+eval { for ($1) { local $_ = 1 } };
+like($@, qr/Modification of a read-only value attempted/);
+
+# make sure $1 is still read-only
+eval { for ($1) { local $_ = 1 } };
+like($@, qr/Modification of a read-only value attempted/);
-# local() should preserve the existenceness of tied hashes and %ENV
-print "not " if exists $h{'y'}; print "ok 72\n";
-print "not " if exists $h{'z'}; print "ok 73\n";
-print "not " if exists $ENV{_A_}; print "ok 74\n";
-print "not " if exists $ENV{_B_}; print "ok 75\n";
+# The s/// adds 'g' magic to $_, but it should remain non-readonly
+eval { for("a") { for $x (1,2) { local $_="b"; s/(.*)/+$1/ } } };
+is($@, "");