Reorder tests

[perl/modules/Scope-Upper.git] / t / 34-localize_elem-magic.t

diff --git a/t/34-localize_elem-magic.t b/t/34-localize_elem-magic.t
new file mode 100644 (file)
index 0000000..2754885
--- /dev/null
+++ b/t/34-localize_elem-magic.t
@@ -0,0 +1,76 @@
+#!perl
+
+use strict;
+use warnings;
+
+use Scope::Upper qw/localize_elem/;
+
+use Test::More tests => 8;
+
+{
+ package Scope::Upper::Test::TiedArray;
+
+ sub TIEARRAY { bless [], $_[0] }
+ sub STORE { $_[0]->[$_[1]] = $_[2] }
+ sub FETCH { $_[0]->[$_[1]] }
+ sub CLEAR { @{$_[0]} = (); }
+ sub FETCHSIZE { scalar @{$_[0]} }
+ sub EXTEND {}
+}
+
+our @a;
+
+tie @a, 'Scope::Upper::Test::TiedArray';
+{
+ local @a = (5 .. 7);
+ {
+  localize_elem '@a', 4 => 12 => 0;
+  is_deeply \@a, [ 5 .. 7, undef, 12 ], 'localize_elem @incomplete_tied_array, $nonexistent, 12 => 0 [ok]';
+ }
+ is_deeply \@a, [ 5 .. 7, undef, undef ], 'localize_elem @incomplete_tied_array, $nonexistent, 12 => 0 [end]';
+}
+
+our $x;
+
+{
+ local $x;
+ local $SIG{__WARN__} = sub { };
+ {
+  {
+   localize_elem '%SIG', '__WARN__' => sub { $x = join '', @_ }, 1;
+   is $x, undef, 'localize_elem $SIG{__WARN__} [not yet]';
+  }
+  warn "1\n";
+  is $x, "1\n", 'localize_elem $SIG{__WARN__} [ok]';
+ }
+ warn "2\n";
+ is $x, "1\n", 'localize_elem $SIG{__WARN__} [done]';
+}
+
+sub runperl {
+ my ($val, $in, $desc) = @_;
+ system { $^X } $^X, '-e', "exit(\$ENV{SCOPE_UPPER_TEST} == $val ? 0 : 1)";
+SKIP: {
+  skip "system() failed: $!" => 1 if $? == -1;
+  if ($in) {
+   is $?, 0, $desc;
+  } else {
+   isnt $?, 0, $desc;
+  }
+ }
+}
+
+eval "setpgrp 0, 0";
+
+my $time = time;
+{
+ local $ENV{SCOPE_UPPER_TEST};
+ {
+  {
+   localize_elem '%ENV', 'SCOPE_UPPER_TEST' => $time, 1;
+   runperl $time, 0, 'localize_elem $ENV{SCOPE_UPPER_TEST} [not yet]';
+  }
+  runperl $time, 1, 'localize_elem $ENV{SCOPE_UPPER_TEST} [ok]';
+ }
+ runperl $time, 0, 'localize_elem $ENV{SCOPE_UPPER_TEST} [done]';
+}