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use v6;
use Test;
plan 33;
=begin pod
=head1 DESCRIPTION
This test tests the C<WHAT> builtin.
=end pod
# L<S12/Introspection/"WHAT">
# Basic subroutine/method form tests for C<WHAT>.
{
my $a = 3;
ok((WHAT $a) === Int, "subroutine form of WHAT");
ok(($a.WHAT) === Int, "method form of WHAT");
}
# Now testing basic correct inheritance.
{
my $a = 3;
ok($a.WHAT ~~ Numeric, "an Int isa Numeric");
ok($a.WHAT ~~ Mu, "an Int isa Mu");
}
# And a quick test for Code:
{
my $a = sub ($x) { 100 + $x };
ok($a.WHAT === Sub, "a sub's type is Sub");
ok($a.WHAT ~~ Routine, "a sub isa Routine");
ok($a.WHAT ~~ Code, "a sub isa Code");
}
# L<S12/Introspection/"which also bypasses the macros.">
# RT #60992
{
class Foo {
method WHAT {'Bar'}
}
my $o = Foo.new;
is($o."WHAT"(), 'Bar', '."WHAT" calls the method instead of the macro');
is($o.WHAT.gist, 'Foo()', '.WHAT still works as intended');
my $meth = method () { 'Bar' };
is($o.$meth, 'Bar', '.$meth calls the method instead of the macro');
}
# these used to be Rakudo regressions, RT #62006
{
# proto as a term
lives_ok { Match }, 'type object as a term lives';
lives_ok { +Match }, 'numification of type object lives';
isa_ok ("bac" ~~ /a/).WHAT, Match, '.WHAT on a Match works';
is +("bac" ~~ /a/).WHAT, 0, 'numification of .WHAT of a Match works';
}
ok &infix:<+>.WHAT ~~ Sub, '.WHAT of built-in infix op is Multi (RT 66928)';
# RT #69915
{
sub rt69915f($b, :$a! ) { return WHAT($a).gist ~ '~' ~ WHAT($b).gist }
sub rt69915m( $b, :$a! ) { return $a.WHAT.gist ~ '~' ~ $b.WHAT.gist }
is rt69915m( a => 42, 23 ), 'Int()~Int()', 'WHAT method on ints';
is rt69915f( a => 42, 23 ), 'Int()~Int()', 'WHAT function on ints (1)';
is rt69915f( 23, a => 42 ), 'Int()~Int()', 'WHAT function on ints (2)';
is rt69915f( :a, 23 ), 'Bool()~Int()', 'WHAT function on bool and int';
is rt69915m( :a, 23 ), 'Bool()~Int()', 'WHAT method on bool and int';
sub wm($x) { return $x.WHAT.gist }
sub rt69915wm( $b, :$a ) { return wm($a) ~ '~' ~ wm($b) }
is rt69915wm( a => 42, 23 ), 'Int()~Int()', 'WHAT method on ints via func';
sub wf($x) { return WHAT($x).gist }
sub rt69915wf( $b, :$a ) { return wf($a) ~ '~' ~ wf($b) }
is rt69915wf( a => 42, 23 ), 'Int()~Int()', 'WHAT func on ints via func';
}
is 6.02e23.WHAT.gist, Num.gist, 'decimal using "e" is a Num';
is 1.23456.WHAT.gist, Rat.gist, 'decimal without "e" is Rat';
ok 1.1 == 11/10, 'decimal == the equivalent rational';
# RT #70237
{
is 1.WHAT.gist, 'Int()', '1.WHAT sanity';
dies_ok { Int.WHAT = Str }, '.WHAT is readonly';
is 2.WHAT.gist, 'Int()', 'assignment to Int.WHAT does nothing';
}
{
class AccessMethods {
our method a { };
method b { };
}
ok &AccessMethods::a.defined, 'Can access "our" method with &class::method';
ok &AccessMethods::a ~~ Method, '... and got a Method back';
nok &AccessMethods::b.defined, '"has" methods are hidden';
lives_ok {&AccessMethods::c.defined and die "foo"}, 'non-existent method access lives (and returns undef)';
}
# RT 112364
{
class RT112364 {
our sub xyz() { 'xyz' }
};
ok RT112364::.WHAT ~~ Stash, 'RT 112364';
}
done;
# vim: ft=perl6
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