4 use DOM::Tiny::_Collection;
7 sub c { DOM::Tiny::_Collection->new(@_) }
10 is c(1, 2, 3)->[1], 2, 'right result';
11 is_deeply [@{c(3, 2, 1)}], [3, 2, 1], 'right result';
12 my $collection = c(1, 2);
13 push @$collection, 3, 4, 5;
14 is_deeply [@$collection], [1, 2, 3, 4, 5], 'right result';
16 # Tap into method chain
17 is_deeply c(1, 2, 3)->tap(sub { $_->[1] += 2 })->to_array, [1, 4, 3],
21 is_deeply c(undef, 0, 1, '', 2, 3)->compact->to_array, [0, 1, 2, 3],
23 is_deeply c(3, 2, 1)->compact->to_array, [3, 2, 1], 'right result';
24 is_deeply c()->compact->to_array, [], 'right result';
27 is_deeply c(1, 2, [3, 4], 5, c(6, 7))->flatten->to_array,
28 [1, 2, 3, 4, 5, 6, 7], 'right result';
29 is_deeply c(undef, 1, [2, {}, [3, c(4, 5)]], undef, 6)->flatten->to_array,
30 [undef, 1, 2, {}, 3, 4, 5, undef, 6], 'right result';
33 $collection = c(3, 2, 1);
34 is_deeply [$collection->each], [3, 2, 1], 'right elements';
35 $collection = c([3], [2], [1]);
37 $collection->each(sub { push @results, $_->[0] });
38 is_deeply \@results, [3, 2, 1], 'right elements';
40 $collection->each(sub { push @results, shift->[0], shift });
41 is_deeply \@results, [3, 1, 2, 2, 1, 3], 'right elements';
44 $collection = c(5, 4, [3, 2], 1);
45 is $collection->first, 5, 'right result';
46 is_deeply $collection->first(sub { ref $_ eq 'ARRAY' }), [3, 2], 'right result';
47 is $collection->first(sub { shift() < 5 }), 4, 'right result';
48 is $collection->first(qr/[1-4]/), 4, 'right result';
49 is $collection->first(sub { ref $_ eq 'CODE' }), undef, 'no result';
50 $collection = c(c(1, 2, 3), c(4, 5, 6), c(7, 8, 9));
51 is_deeply $collection->first(first => sub { $_ == 5 })->to_array, [4, 5, 6],
54 is $collection->first, undef, 'no result';
55 is $collection->first(sub {defined}), undef, 'no result';
58 is c(5, 4, 3)->last, 3, 'right result';
59 is c(5, 4, 3)->reverse->last, 5, 'right result';
60 is c()->last, undef, 'no result';
63 $collection = c(1, 2, 3, 4, 5, 6, 7, 8, 9);
64 is_deeply $collection->grep(qr/[6-9]/)->to_array, [6, 7, 8, 9],
66 is_deeply $collection->grep(sub {/[6-9]/})->to_array, [6, 7, 8, 9],
68 is_deeply $collection->grep(sub { $_ > 5 })->to_array, [6, 7, 8, 9],
70 is_deeply $collection->grep(sub { $_ < 5 })->to_array, [1, 2, 3, 4],
72 is_deeply $collection->grep(sub { shift == 5 })->to_array, [5],
74 is_deeply $collection->grep(sub { $_ < 1 })->to_array, [], 'no elements';
75 is_deeply $collection->grep(sub { $_ > 9 })->to_array, [], 'no elements';
76 $collection = c(c(1, 2, 3), c(4, 5, 6), c(7, 8, 9));
77 is_deeply $collection->grep(first => sub { $_ >= 5 })->flatten->to_array,
78 [4, 5, 6, 7, 8, 9], 'right result';
81 $collection = c(1, 2, 3);
82 is $collection->join, '123', 'right result';
83 is $collection->join(''), '123', 'right result';
84 is $collection->join('---'), '1---2---3', 'right result';
85 is $collection->join("\n"), "1\n2\n3", 'right result';
86 #is $collection->join('/')->url_escape, '1%2F2%2F3', 'right result'; # no bytestream object
89 $collection = c(1, 2, 3);
90 is $collection->map(sub { $_ + 1 })->join(''), '234', 'right result';
91 is_deeply [@$collection], [1, 2, 3], 'right elements';
92 is $collection->map(sub { shift() + 2 })->join(''), '345', 'right result';
93 is_deeply [@$collection], [1, 2, 3], 'right elements';
94 $collection = c(c(1, 2, 3), c(4, 5, 6), c(7, 8, 9));
95 is $collection->map('reverse')->map(join => "\n")->join("\n"),
96 "3\n2\n1\n6\n5\n4\n9\n8\n7", 'right result';
97 is $collection->map(join => '-')->join("\n"), "1-2-3\n4-5-6\n7-8-9",
101 $collection = c(3, 2, 1);
102 is_deeply $collection->reverse->to_array, [1, 2, 3], 'right order';
104 is_deeply $collection->reverse->to_array, [3], 'right order';
106 is_deeply $collection->reverse->to_array, [], 'no elements';
109 $collection = c(0 .. 10000);
110 my $random = $collection->shuffle;
111 is $collection->size, $random->size, 'same number of elements';
112 isnt "@$collection", "@$random", 'different order';
113 is_deeply c()->shuffle->to_array, [], 'no elements';
117 is $collection->size, 0, 'right size';
118 $collection = c(undef);
119 is $collection->size, 1, 'right size';
121 is $collection->size, 1, 'right size';
122 $collection = c([2, 3]);
123 is $collection->size, 1, 'right size';
124 $collection = c(5, 4, 3, 2, 1);
125 is $collection->size, 5, 'right size';
128 $collection = c(2, 5, 4, 1);
129 is $collection->reduce(sub { $a + $b }), 12, 'right result';
130 is $collection->reduce(sub { $a + $b }, 5), 17, 'right result';
131 is c()->reduce(sub { $a + $b }), undef, 'no result';
134 $collection = c(2, 5, 4, 1);
135 is_deeply $collection->sort->to_array, [1, 2, 4, 5], 'right order';
136 is_deeply $collection->sort(sub { $b cmp $a })->to_array, [5, 4, 2, 1],
138 is_deeply $collection->sort(sub { $_[1] cmp $_[0] })->to_array, [5, 4, 2, 1],
140 $collection = c(qw(Test perl DOM));
141 is_deeply $collection->sort(sub { uc(shift) cmp uc(shift) })->to_array,
142 [qw(DOM perl Test)], 'right order';
144 is_deeply $collection->sort->to_array, [], 'no elements';
145 is_deeply $collection->sort(sub { $a cmp $b })->to_array, [], 'no elements';
148 $collection = c(1, 2, 3, 4, 5, 6, 7, 10, 9, 8);
149 is_deeply $collection->slice(0)->to_array, [1], 'right result';
150 is_deeply $collection->slice(1)->to_array, [2], 'right result';
151 is_deeply $collection->slice(2)->to_array, [3], 'right result';
152 is_deeply $collection->slice(-1)->to_array, [8], 'right result';
153 is_deeply $collection->slice(-3, -5)->to_array, [10, 6], 'right result';
154 is_deeply $collection->slice(1, 2, 3)->to_array, [2, 3, 4], 'right result';
155 is_deeply $collection->slice(6, 1, 4)->to_array, [7, 2, 5], 'right result';
156 is_deeply $collection->slice(6 .. 9)->to_array, [7, 10, 9, 8], 'right result';
159 $collection = c(1, 2, 3, 2, 3, 4, 5, 4);
160 is_deeply $collection->uniq->to_array, [1, 2, 3, 4, 5], 'right result';
161 is_deeply $collection->uniq->reverse->uniq->to_array, [5, 4, 3, 2, 1],
163 $collection = c([1, 2, 3], [3, 2, 1], [3, 1, 2]);
164 is_deeply $collection->uniq(sub { $_->[1] }), [[1, 2, 3], [3, 1, 2]],
166 $collection = c(c(1, 2), c(1, 2), c(2, 1));
167 is_deeply $collection->uniq(join => ',')->flatten->to_array, [1, 2, 2, 1],
171 is +JSON::PP->new->convert_blessed->encode(c(1, 2, 3)), '[1,2,3]', 'right result';