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use v6;
use Test;
plan 181;
sub showset($s) { $s.keys.sort.join(' ') }
# L<S02/Immutable types/'the set listop'>
{
my $s = set <a b foo>;
isa-ok $s, Set, '&set produces a Set';
is showset($s), 'a b foo', '...with the right elements';
is $s.default, False, "Default value is false";
is $s<a>, True, 'Single-key subscript (existing element)';
isa-ok $s<a>, Bool, 'Single-key subscript has correct type (existing element)';
is $s<santa>, False, 'Single-key subscript (nonexistent element)';
isa-ok $s<santa>, Bool, 'Single-key subscript has correct type (nonexistent element)';
is $s<a>:exists, True, 'exists with existing element';
is $s<santa>:exists, False, 'exists with nonexistent element';
ok ?$s, "Bool returns True if there is something in the Set";
nok ?Set.new(), "Bool returns False if there is nothing in the Set";
my $hash;
lives-ok { $hash = $s.hash }, ".hash doesn't die";
isa-ok $hash, Hash, "...and it returned a Hash";
is showset($hash), 'a b foo', '...with the right elements';
is $hash.values.grep({ ($_ ~~ Bool) && $_ }).elems, 3, "...and values";
dies-ok { $s<a> = True }, "Can't assign to an element (Sets are immutable)";
dies-ok { $s.keys = <c d> }, "Can't assign to .keys";
dies-ok { $s.values = <True False> }, "Can't assign to .values";
dies-ok { $s<a>:delete }, "Can't :delete from Set";
is ($s<a b>).grep(?*).elems, 2, 'Multiple-element access';
is ($s<a santa b easterbunny>).grep(?*).elems, 2, 'Multiple-element access (with nonexistent elements)';
is $s.elems, 3, '.elems gives number of keys';
is +$s, 3, '+$set gives number of keys';
}
{
ok (set <a b c>) ~~ (set <a b c>), "Identical sets smartmatch with each other";
nok (set <b c>) ~~ (set <a b c>), "Subset does not smartmatch";
nok (set <a b c d>) ~~ (set <a b c>), "Superset does not smartmatch";
nok "a" ~~ (set <a b c>), "Smartmatch is not element of";
ok (set <a b c>) ~~ Set, "Type-checking smartmatch works";
ok (bag <a b c>) ~~ (set <a b c>), "Bag smartmatches with equivalent set";
ok (bag <a a a b c>) ~~ (set <a b c>), "... even if the Bag has greater quantities";
nok (bag <b c>) ~~ (set <a b c>), "Subset does not smartmatch";
nok (bag <a b c d>) ~~ (set <a b c>), "Superset does not smartmatch";
nok (bag <a b c>) ~~ Set, "Type-checking smartmatch works";
}
{
isa-ok "a".Set, Set, "Str.Set makes a Set";
is showset("a".Set), 'a', "'a'.Set is set a";
isa-ok (a => 1).Set, Set, "Pair.Set makes a Set";
is showset((a => 1).Set), 'a', "(a => 1).Set is set a";
is showset((a => 0).Set), '', "(a => 0).Set is the empty set";
isa-ok <a b c>.Set, Set, "<a b c>.Set makes a Set";
is showset(<a b c a>.Set), 'a b c', "<a b c a>.Set makes the set a b c";
is showset(["a", "b", "c", "a"].Set), 'a b c', "[a b c a].Set makes the set a b c";
is showset([a => 3, b => 0, 'c', 'a'].Set), 'a c', "[a => 3, b => 0, 'c', 'a'].Set makes the set a c";
isa-ok {a => 2, b => 4, c => 0}.Set, Set, "{a => 2, b => 4, c => 0}.Set makes a Set";
is showset({a => 2, b => 4, c => 0}.Set), 'a b', "{a => 2, b => 4, c => 0}.Set makes the set a b";
}
{
my $s = set <a b foo>;
is $s<a>:exists, True, ':exists with existing element';
is $s<santa>:exists, False, ':exists with nonexistent element';
dies-ok { $s<a>:delete }, ':delete does not work on set';
}
{
my $s = set 2, 'a', False;
my @ks = $s.keys;
is @ks.grep({ .WHAT === Int })[0], 2, 'Int keys are left as Ints';
is @ks.grep(* eqv False).elems, 1, 'Bool keys are left as Bools';
is @ks.grep(Str)[0], 'a', 'And Str keys are permitted in the same set';
is +$s, 3, 'Keys are counted correctly even when a key is False';
}
{
my %h := set <a b o p a p o o>;
ok %h ~~ Set, 'A hash to which a Set has been bound becomes a set';
is %h.keys.sort.join, 'abop', '...with the right keys';
is %h.values, (True xx 4), '...and values all True';
}
{
my $s = set <foo bar foo bar baz foo>;
is showset($s), 'bar baz foo', '&set discards duplicates';
}
{
my $b = set [ foo => 10, bar => 17, baz => 42 ];
isa-ok $b, Set, '&Set.new given an array of pairs produces a Set';
is +$b, 3, "... with three elements under the single arg rule";
}
{
my $b = set $[ foo => 10, bar => 17, baz => 42 ];
isa-ok $b, Set, '&Set.new given an itemized array of pairs produces a Set';
is +$b, 1, "... with one element";
}
{
# {}.hash interpolates in list context
my $b = set { foo => 10, bar => 17, baz => 42 }.hash;
isa-ok $b, Set, '&Set.new given a Hash produces a Set';
is +$b, 3, "... with three elements";
is +$b.grep(Pair), 3, "... all of which are Pairs";
}
{
my $b = set { foo => 10, bar => 17, baz => 42 };
isa-ok $b, Set, '&Set.new given a Hash produces a Set';
is +$b, 3, "... with three elements under the single arg rule";
}
{
my $b = set ${ foo => 10, bar => 17, baz => 42 };
isa-ok $b, Set, '&Set.new given an itemized Hash produces a Set';
is +$b, 1, "... with one element";
}
{
my $b = set set <foo bar foo bar baz foo>;
isa-ok $b, Set, '&Set.new given a Set produces a Set';
is +$b, 1, "... with one element";
}
{
my $b = set SetHash.new(<foo bar foo bar baz foo>);
isa-ok $b, Set, '&Set.new given a SetHash produces a Set';
is +$b, 1, "... with one element";
}
{
my $b = set BagHash.new(<foo bar foo bar baz foo>);
isa-ok $b, Set, '&Set.new given a SetHash produces a Set';
is +$b, 1, "... with one element";
}
{
my $b = set bag <foo bar foo bar baz foo>;
isa-ok $b, Set, '&set given a Bag produces a Set';
is +$b, 1, "... with one element";
}
{
my $s = set <foo bar baz>;
is $s.list.elems, 3, ".list returns 3 things";
is $s.list.grep(Pair).elems, 3, "... all of which are Pairs";
isa-ok $s.pairs.elems, 3, ".pairs returns 3 things";
is $s.pairs.grep(Pair).elems, 3, "... all of which are Pairs";
is $s.pairs.grep({ .key ~~ Str }).elems, 3, "... the keys of which are Strs";
is $s.pairs.grep({ .value ~~ Bool }).elems, 3, "... and the values of which are Bool";
}
{
my $s = set <foo bar baz>;
my $str;
my $c;
lives-ok { $str = $s.perl }, ".perl lives";
isa-ok $str, Str, "... and produces a string";
lives-ok { $c = EVAL $str }, ".perl.EVAL lives";
isa-ok $c, Set, "... and produces a Set";
is showset($c), showset($s), "... and it has the correct values";
}
{
my $s = set <foo bar baz>;
lives-ok { $s = $s.Str }, ".Str lives";
isa-ok $s, Str, "... and produces a string";
is $s.split(" ").sort.join(" "), "bar baz foo", "... which only contains bar baz and foo separated by spaces";
}
{
my $s = set <foo bar baz>;
lives-ok { $s = $s.gist }, ".gist lives";
isa-ok $s, Str, "... and produces a string";
ok $s ~~ /foo/, "... which mentions foo";
ok $s ~~ /bar/, "... which mentions bar";
ok $s ~~ /baz/, "... which mentions baz";
}
# L<S02/Names and Variables/'C<%x> may be bound to'>
{
my %s := set <a b c b>;
isa-ok %s, Set, 'A Set bound to a %var is a Set';
is showset(%s), 'a b c', '...with the right elements';
is %s<a>, True, 'Single-key subscript (existing element)';
is %s<santa>, False, 'Single-key subscript (nonexistent element)';
dies-ok { %s<a> = True }, "Can't assign to an element (Sets are immutable)";
dies-ok { %s = a => True, b => True }, "Can't assign to a %var implemented by Set";
dies-ok { %s<a>:delete }, "Can't :delete a key from a Set";
}
# L<S03/Hyper operators/'unordered type'>
#?rakudo skip "Hypers not yet Set compatible RT #124487"
{
is showset(set(1, 2, 3) »+» 6), '7 8 9', 'Set »+» Int';
is showset("a" «~« set(<pple bbot rmadillo>)), 'abbot apple armadillo', 'Str «~« Set';
is showset(-« set(3, 9, -4)), '-9 -3 4', '-« Set';
is showset(set(<b e g k z>)».pred), 'a d f j y', 'Set».pred';
throws-like { set(1, 2) »+« set(3, 4) }, Exception,'Set »+« Set is illegal';
throws-like { set(1, 2) »+« [3, 4] }, Exception, 'Set »+« Array is illegal';
throws-like { set(1, 2) «+» [3, 4] }, Exception, 'Set «+» Array is illegal';
throws-like { [1, 2] »+« set(3, 4) }, Exception, 'Set »+« Array is illegal';
throws-like { [1, 2] «+» set(3, 4) }, Exception, 'Set «+» Array is illegal';
}
dies-ok { set(1, 2) «+» set(3, 4) }, 'Set «+» Set is illegal';
# L<S32::Containers/Set/roll>
{
my $s = set <a b c>;
my $a = $s.roll;
ok $a eq "a" || $a eq "b" || $a eq "c", "We got one of the three choices";
my @a = $s.roll(2);
is +@a, 2, '.roll(2) returns the right number of items';
is @a.grep(* eq 'a' | 'b' | 'c').elems, 2, '.roll(2) returned "a"s, "b"s, and "c"s';
@a = $s.roll: 100;
is +@a, 100, '.roll(100) returns 100 items';
is @a.grep(* eq 'a' | 'b' | 'c').elems, 100, '.roll(100) returned "a"s, "b"s, and "c"s';
is $s.total, 3, '.roll should not change Set';
}
# L<S32::Containers/Set/pick>
{
my $s = set <a b c d e f g h>;
my @a = $s.pick: *;
is @a.sort.join, 'abcdefgh', 'Set.pick(*) gets all elements';
isnt @a.join, 'abcdefgh', 'Set.pick(*) returns elements in a random order';
# There's only a 1/40_320 chance of that test failing by chance alone.
is $s.total, 8, '.pick should not change Set';
}
{
my $s = set <a b c>;
my $a = $s.pick;
ok $a eq "a" || $a eq "b" || $a eq "c", "We got one of the three choices";
my @a = $s.pick(2);
is +@a, 2, '.pick(2) returns the right number of items';
is @a.grep(* eq 'a' | 'b' | 'c').elems, 2, '.pick(2) returned "a"s, "b"s, and "c"s';
ok @a.grep(* eq 'a').elems <= 1, '.pick(2) returned at most one "a"';
ok @a.grep(* eq 'b').elems <= 1, '.pick(2) returned at most one "b"';
ok @a.grep(* eq 'c').elems <= 1, '.pick(2) returned at most one "c"';
is $s.total, 3, '.pick should not change Set';
}
# L<S32::Containers/Set/grab>
{
my $s = set <a b c>;
dies-ok { $s.grab }, 'cannot call .grab on a Set';
}
# L<S32::Containers/Set/grabpairs>
{
my $s = set <a b c>;
dies-ok { $s.grabpairs }, 'cannot call .grabpairs on a Set';
}
# RT #107022
{
my $s1 = Set.new(( set <a b c> ), <c d>);
is +$s1, 2, "Two elements";
my $inner-set = $s1.keys.first(Set);
isa-ok $inner-set, Set, "One of the set's elements is indeed a Set!";
is showset($inner-set), "a b c", "With the proper elements";
my $inner-list = $s1.keys.first(List);
isa-ok $inner-list, List, "One of the set's elements is indeed a List!";
is $inner-list, <c d>, "With the proper elements";
my $s = set <a b c>;
$s1 = Set.new($s, <c d>);
is +$s1, 2, "Two elements";
$inner-set = $s1.keys.first(Set);
isa-ok $inner-set, Set, "One of the set's elements is indeed a set!";
is showset($inner-set), "a b c", "With the proper elements";
$inner-list = $s1.keys.first(List);
isa-ok $inner-list, List, "One of the set's elements is indeed a List!";
is $inner-list, <c d>, "With the proper elements";
}
{
isa-ok 42.Set, Set, "Method .Set works on Int-1";
is showset(42.Set), "42", "Method .Set works on Int-2";
isa-ok "blue".Set, Set, "Method .Set works on Str-1";
is showset("blue".Set), "blue", "Method .Set works on Str-2";
my @a = <Now the cross-handed set was the Paradise way>;
isa-ok @a.Set, Set, "Method .Set works on Array-1";
is showset(@a.Set), "Now Paradise cross-handed set the was way", "Method .Set works on Array-2";
my %x = "a" => 1, "b" => 2;
isa-ok %x.Set, Set, "Method .Set works on Hash-1";
is showset(%x.Set), "a b", "Method .Set works on Hash-2";
isa-ok (@a, %x).Set, Set, "Method .Set works on List-1";
is showset((@a, %x).Set), "Now Paradise a b cross-handed set the was way", "Method .Set works on List-2";
}
{
my $s = <a b b c c c d d d d>.Set;
is $s.total, 4, '.total gives sum of values (non-empty)';
is +$s, 4, '+$set gives sum of values (non-empty)';
is $s.minpairs.sort,[a=>True,b=>True,c=>True,d=>True], '.minpairs works (non-empty)';
is $s.maxpairs.sort,[a=>True,b=>True,c=>True,d=>True], '.maxpairs works (non-empty)';
is $s.fmt('foo %s').split("\n").sort, ('foo a', 'foo b', 'foo c', 'foo d'),
'.fmt(%s) works (non-empty)';
is $s.fmt('%s',',').split(',').sort, <a b c d>,
'.fmt(%s,sep) works (non-empty)';
is $s.fmt('%s foo %s').split("\n").sort, ('a foo True', 'b foo True', 'c foo True', 'd foo True'),
'.fmt(%s%s) works (non-empty)';
is $s.fmt('%s,%s',':').split(':').sort, <a,True b,True c,True d,True>,
'.fmt(%s%s,sep) works (non-empty)';
my $e = ().Set;
is $e.total, 0, '.total gives sum of values (empty)';
is +$e, 0, '+$set gives sum of values (empty)';
is $e.minpairs, (), '.minpairs works (empty)';
is $e.maxpairs, (), '.maxpairs works (empty)';
is $e.fmt('foo %s'), "", '.fmt(%s) works (empty)';
is $e.fmt('%s',','), "", '.fmt(%s,sep) works (empty)';
is $e.fmt('%s foo %s'), "", '.fmt(%s%s) works (empty)';
is $e.fmt('%s,%s',':'), "", '.fmt(%s%s,sep) works (empty)';
}
{
my $s = <a b c>.Set;
dies-ok { $s.pairs[0].key++ }, 'Cannot change key of Set.pairs';
dies-ok { $s.pairs[0].value = 0 }, 'Cannot change value of Set.pairs';
}
# RT #117103
{
my $s = set();
$s (|)= 5;
is $s, set(5), 'can metaop set assign like: (|)=';
}
#?rakudo todo 'we have not secured .WHICH creation yet RT #124489'
{
isnt 'a Str|b Str|c'.Set.WHICH, <a b c>.Set.WHICH,
'Faulty .WHICH creation';
}
# RT #116096
{
my $s = Set.new([1,2],[3,4]);
is $s.elems, 2, 'arrays not flattened out by Set.new (1)';
is $s.keys.sort[0], [1,2], 'arrays not flattened out by Set.new (2)';
is $s.keys.sort[1], [3,4], 'arrays not flattened out by Set.new (3)';
}
# RT #125611
{
class MySet is Set { };
my $s = MySet.new([1, 2], 3);
is $s.elems, 2, 'Can subclass Set';
class RT125611 is Set {
method foo( $foo ) {
self{$foo} = True; self
}
}
throws-like 'my $rt125611 = RT125611.new.foo: "a"', X::Assignment::RO,
'trying to assign throws X::Assignment::RO';
}
{
my $a = (1,2,3,2,2,2,2).Set;
is $a.kv[0,2,4].sort, (1,2,3), "Set.kv returns list of keys and values (1)";
is $a.kv[1,3,5], (True, True, True), "Set.kv returns list of keys and values (2)";
}
# RT #127166
{
ok <one two three>.map({$_}) ~~ set(<two three one>), 'smartmatch a Seq';
}
{
isa-ok set(42).Hash.keys[0], Int, "make sure set.Hash returns objects";
}
# RT #127402
subtest '.hash does not cause keys to be stringified' => {
plan 3;
is Set.new($(<a b>)).hash.keys[0][0], 'a', 'Set.new';
is ($(<a b>),).Set.hash.keys[0][0], 'a', '.Set';
is set($(<a b>),).hash.keys[0][0], 'a', 'set()';
}
{
throws-like { my Set $s; $s<as> = 2 }, Exception,
'autovivification of of Set:U complains about immutability';
}
{
is-deeply set(42).Mix, Mix.new(42), '.Mix on set gives correct Mix';
is-deeply set(42).MixHash, MixHash.new(42),
'.MixHash on set gives correct MixHash';
}
# vim: ft=perl6