#!/usr/bin/pugs
use v6;
use Test;
plan 39;
force_todo <3 4 5 6 7 8 9 16 17 18 19 26 27 30 31 32 33 35>;
# use_ok( 'Perl6::Container::Array' );
use Perl6::Container::Array;
use Perl6::Value::List;
{
# string range
my $iter = Perl6::Value::List.from_range( start => 'a', end => Inf, step => undef );
is( $iter.shift, 'a', 'string range' );
is( $iter.shift, 'b', 'string range 1' );
}
{
# 'Iter' object
my $iter = Perl6::Value::List.from_range( start => 0, end => 13, step => 1 );
my $span = Perl6::Container::Array.from_list( -1, 9, $iter );
my $grepped = $span.to_list.Perl6::Value::List::grep:{ $_ % 3 == 0 };
is( $grepped.shift, 9, 'grep ' );
is( $grepped.shift, 0, 'grep 0' );
is( $grepped.shift, 3, 'grep 1' );
my $mapped = $grepped.map:{ $_ % 6 == 0 ?? ($_, $_) !! () };
is( $mapped.shift, 6, 'map 0' );
is( try { $mapped.shift }, 6, 'map 1' );
is( try { $mapped.shift }, 12, 'map 0' );
is( try { $mapped.shift }, 12, 'map 1' );
is( try { $mapped.shift }, undef, 'end' );
}
{
# multidimensional lazy array
my $iter = Perl6::Value::List.from_range( start => 0, end => 9, step => 1 );
my $a1 = Perl6::Container::Array.from_list( $iter );
my @a2 = 1..10;
my $b1 = Perl6::Container::Array.from_list( $a1, [[@a2]] ); # XXX why does it need double []?
isa_ok( $b1.shift, 'Perl6::Container::Array', 'without "splat", inserts an array' );
isa_ok( $b1.shift, 'Array' );
}
{
# splat
my $iter = Perl6::Value::List.from_range( start => 0, end => 9, step => 1 );
my $a1 = Perl6::Container::Array.from_list( $iter );
my $b1 = Perl6::Container::Array.from_list( $a1.to_list, 1..10 );
isa_ok( $b1.shift, 'Int', 'with "splat", inserts the elements' );
isa_ok( $b1.shift, 'Int' );
}
{
# uniq
my $iter = Perl6::Value::List.from_range( start => 0, end => 9, step => 1 );
my $a1 = Perl6::Container::Array.from_list( 1, $iter );
$a1 = $a1.to_list.Perl6::Value::List::uniq;
is( $a1.shift, 1, 'not seen element' );
is( $a1.shift, 0, 'not seen element' );
flunk "infinite loop";
# is( $a1.shift, 2, 'seen element was skipped' );
# end
$a1 = Perl6::Container::Array.from_list( $a1 );
is( $a1.end, 9, 'end' );
is( $a1.pop, 9, 'end is still there' );
}
{
# coroutine
my coro mylist { yield $_ for 1..2; yield; }
my $iter = Perl6::Value::List.new( cstart => &mylist );
my $a1 = Perl6::Container::Array.from_list( $iter );
is( $a1.shift, 1, 'lazy array from coroutine' );
is( $a1.shift, 2, 'coroutine' );
is( $a1.shift, undef, 'coroutine end' );
is( $a1.shift, undef, 'coroutine really ended' );
}
{
# kv
my coro mylist { yield $_ for 4..5; yield; }
my $iter = Perl6::Value::List.new( cstart => &mylist );
my $a1 = Perl6::Container::Array.from_list( $iter );
$a1 = $a1.to_list.Perl6::Value::List::kv;
is( $a1.shift, 0, 'kv' );
is( $a1.shift, 4, 'kv' );
flunk("erratic behaviour, disable for now");
flunk("erratic behaviour, disable for now");
# is( $a1.shift, 1, 'kv' );
# is( $a1.shift, 5, 'kv' );
}
{
# pairs
my coro mylist { yield $_ for 4..5; yield; }
my $iter = Perl6::Value::List.new( cstart => &mylist );
my $a1 = Perl6::Container::Array.from_list( $iter );
$a1 = $a1.to_list.Perl6::Value::List::pairs;
my $p = $a1.shift;
is( ~($p.ref), 'Pair', 'pair' );
is( $p.perl, '(0 => 4)', 'pair' );
}
{
# zip
my coro mylist1 { yield $_ for 4..5; yield; }
my $iter1 = Perl6::Value::List.new( cstart => &mylist1 );
my $a1 = Perl6::Container::Array.from_list( $iter1 );
my coro mylist2 { yield $_ for 1..3; yield; }
my $iter2 = Perl6::Value::List.new( cstart => &mylist2 );
my $a2 = Perl6::Container::Array.from_list( $iter2 );
$a1 = $a1.to_list.Perl6::Value::List::zip( $a2 );
is( try { $a1.shift }, 4, 'zip' );
is( try { $a1.shift }, 1, 'zip' );
is( try { $a1.shift }, 5, 'zip' );
is( try { $a1.shift }, 2, 'zip' );
is( try { $a1.shift }, undef, 'zip' );
is( try { $a1.shift }, 3, 'zip' );
is( try { $a1.shift }, undef, 'zip' );
}
{
# elems
my $iter = Perl6::Value::List.from_range( start => 1, end => 1000000, step => 2 );
is( $iter.Perl6::Value::List::elems, 500000, 'Lazy List elems' );
is( $iter.kv.Perl6::Value::List::elems, 1000000, 'Lazy List elems doubles after kv()' );
my $a1 = Perl6::Container::Array.from_list( 'z', $iter );
is( $a1.elems, 500001, 'Lazy Array elems' );
}