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use Test::More;
use Test::LMU;
use Tie::Array ();
SCOPE:
{
my @s = (1001 .. 1200);
my @d = map { (1 .. 1000) } 0 .. 1;
my @a = (@d, @s);
my @u = singleton @a;
is_deeply(\@u, [@s]);
my $u = singleton @a;
is(200, $u);
}
# Test strings
SCOPE:
{
my @s = ("AA" .. "ZZ");
my @d = map { ("aa" .. "zz") } 0 .. 1;
my @a = (@d, @s);
my @u = singleton @a;
is_deeply(\@u, [@s]);
my $u = singleton @a;
is(scalar @s, $u);
}
# Test mixing strings and numbers
SCOPE:
{
my @s = (1001 .. 1200, "AA" .. "ZZ");
my $fs = freeze(\@s);
my @d = map { (1 .. 1000, "aa" .. "zz") } 0 .. 1;
my @a = (@d, @s);
my $fa = freeze(\@a);
my @u = singleton map { $_ } @a;
my $fu = freeze(\@u);
is_deeply(\@u, [@s]);
is($fs, freeze(\@s));
is($fa, freeze(\@a));
is($fu, $fs);
my $u = singleton @a;
is(scalar @s, $u);
}
SCOPE:
{
my @a;
tie @a, "Tie::StdArray";
my @s = (1001 .. 1200, "AA" .. "ZZ");
my @d = map { (1 .. 1000, "aa" .. "zz") } 0 .. 1;
@a = (@d, @s);
my @u = singleton map { $_ } @a;
is_deeply(\@u, [@s]);
@a = (@d, @s);
my $u = singleton @a;
is(scalar @s, $u);
}
SCOPE:
{
my @foo = ('a', 'b', '', undef, 'b', 'c', '');
my @sfoo = ('a', undef, 'c');
is_deeply([singleton @foo], \@sfoo, 'one undef is supported correctly by singleton');
@foo = ('a', 'b', '', undef, 'b', 'c', undef);
@sfoo = ('a', '', 'c');
is_deeply([singleton @foo], \@sfoo, 'twice undef is supported correctly by singleton');
is((scalar singleton @foo), scalar @sfoo, 'scalar twice undef is supported correctly by singleton');
}
leak_free_ok(
singleton => sub {
my @s = (1001 .. 1200, "AA" .. "ZZ");
my @d = map { (1 .. 1000, "aa" .. "zz") } 0 .. 1;
my @a = (@d, @s);
my @u = singleton @a;
scalar singleton @a;
}
);
# This test (and the associated fix) are from Kevin Ryde; see RT#49796
leak_free_ok(
'singleton with exception in overloading stringify',
sub {
eval {
my $obj = DieOnStringify->new;
my @u = singleton $obj, $obj;
};
eval {
my $obj = DieOnStringify->new;
my $u = singleton $obj, $obj;
};
}
);
done_testing;
|
