1 files changed, 100 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/t/lib/env-array.t b/gnu/usr.bin/perl/t/lib/env-array.t
new file mode 100644
index 00000000000..d90d89226f7
--- /dev/null
+++ b/gnu/usr.bin/perl/t/lib/env-array.t
@@ -0,0 +1,100 @@
+#!./perl
+
+$| = 1;
+
+BEGIN {
+    chdir 't' if -d 't';
+    unshift @INC, '../lib';
+}
+
+if ($^O eq 'VMS') {
+    print "1..11\n";
+    foreach (1..11) { print "ok $_ # skipped for VMS\n"; }
+    exit 0;
+}
+
+use Env  qw(@FOO);
+use vars qw(@BAR);
+
+sub array_equal
+{
+    my ($a, $b) = @_;
+    return 0 unless scalar(@$a) == scalar(@$b);
+    for my $i (0..scalar(@$a) - 1) {
+	return 0 unless $a->[$i] eq $b->[$i];
+    }
+    return 1;
+}
+
+sub test
+{
+    my ($desc, $code) = @_;
+
+    &$code;
+
+    print "# $desc...\n";
+    print "#    FOO = (", join(", ", @FOO), ")\n";
+    print "#    BAR = (", join(", ", @BAR), ")\n";
+
+    if (defined $check) { print "not " unless &$check; }
+    else { print "not " unless array_equal(\@FOO, \@BAR); }
+
+    print "ok ", ++$i, "\n";
+}
+
+print "1..11\n";
+
+test "Assignment", sub {
+    @FOO = qw(a B c);
+    @BAR = qw(a B c);
+};
+
+test "Storing", sub {
+    $FOO[1] = 'b';
+    $BAR[1] = 'b';
+};
+
+test "Truncation", sub {
+    $#FOO = 0;
+    $#BAR = 0;
+};
+
+test "Push", sub {
+    push @FOO, 'b', 'c';
+    push @BAR, 'b', 'c';
+};
+
+test "Pop", sub {
+    pop @FOO;
+    pop @BAR;
+};
+
+test "Shift", sub {
+    shift @FOO;
+    shift @BAR;
+};
+
+test "Push", sub {
+    push @FOO, 'c';
+    push @BAR, 'c';
+};
+
+test "Unshift", sub {
+    unshift @FOO, 'a';
+    unshift @BAR, 'a';
+};
+
+test "Reverse", sub {
+    @FOO = reverse @FOO;
+    @BAR = reverse @BAR;
+};
+
+test "Sort", sub {
+    @FOO = sort @FOO;
+    @BAR = sort @BAR;
+};
+
+test "Splice", sub {
+    splice @FOO, 1, 1, 'B';
+    splice @BAR, 1, 1, 'B';
+};