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use v6;
use Test;
plan 41;
# N.B.: relational ops are in relational.t
# L<S03/Nonchaining binary precedence/Order::Increase, Order::Same, or Order::Decrease>
is(+Order::Increase, -1, 'Order::Increase numifies to -1');
is(+Order::Same, 0, 'Order::Same numifies to 0');
is(+Order::Decrease, 1, 'Order::Decrease numifies to 1');
#L<S03/Comparison semantics>
# spaceship comparisons (Num)
is(1 <=> 1, Order::Same, '1 <=> 1 is same');
is(1 <=> 2, Order::Increase, '1 <=> 2 is increase');
is(2 <=> 1, Order::Decrease, '2 <=> 1 is decrease');
is 0 <=> -1, Order::Decrease, '0 <=> -1 is increase';
is -1 <=> 0, Order::Increase, '-1 <=> 0 is decrease';
is 0 <=> -1/2, Order::Decrease, '0 <=> -1/2 is decrease';
is 0 <=> 1/2, Order::Increase, '0 <=> 1/2 is increase';
is -1/2 <=> 0, Order::Increase, '-1/2 <=> 0 is decrease';
is 1/2 <=> 0, Order::Decrease, '1/2 <=> 0 is decrease';
is 1/2 <=> 1/2, Order::Same, '1/2 <=> 1/2 is same';
is -1/2 <=> -1/2, Order::Same, '-1/2 <=> -1/2 is same';
is 1/2 <=> -1/2, Order::Decrease, '1/2 <=> -1/2 is decrease';
is -1/2 <=> 1/2, Order::Increase, '-1/2 <=> 1/2 is increase';
# leg comparison (Str)
is('a' leg 'a', Order::Same, 'a leg a is same');
is('a' leg 'b', Order::Increase, 'a leg b is increase');
is('b' leg 'a', Order::Decrease, 'b leg a is decrease');
is('a' leg 1, Order::Decrease, 'leg is in string context');
is("a" leg "a\0", Order::Increase, 'a leg a\0 is increase');
is("a\0" leg "a\0", Order::Same, 'a\0 leg a\0 is same');
is("a\0" leg "a", Order::Decrease, 'a\0 leg a is decrease');
# cmp comparison
is('a' cmp 'a', Order::Same, 'a cmp a is same');
is('a' cmp 'b', Order::Increase, 'a cmp b is increase');
is('b' cmp 'a', Order::Decrease, 'b cmp a is decrease');
is(1 cmp 1, Order::Same, '1 cmp 1 is same');
is(1 cmp 2, Order::Increase, '1 cmp 2 is increase');
is(2 cmp 1, Order::Decrease, '2 cmp 1 is decrease');
is('a' cmp 1, Order::Decrease, '"a" cmp 1 is decrease'); # unspecced but P5 behavior
is("a" cmp "a\0", Order::Increase, 'a cmp a\0 is increase');
is("a\0" cmp "a\0", Order::Same, 'a\0 cmp a\0 is same');
is("a\0" cmp "a", Order::Decrease, 'a\0 cmp a is decrease');
# compare numerically with non-numeric
{
class Blue {
method Numeric() { 3; }
}
my $a = Blue.new;
ok +$a == 3, '+$a == 3 (just checking)';
ok $a == 3, '$a == 3';
ok $a != 4, '$a != 4';
nok $a != 3, 'not true that $a != 3';
#?rakudo 4 todo 'nom regression'
lives_ok { $a < 5 }, '$a < 5 lives okay';
lives_ok { $a <= 5 }, '$a <= 5 lives okay';
lives_ok { $a > 5 }, '$a > 5 lives okay';
lives_ok { $a >= 5 }, '$a => 5 lives okay';
}
# vim: ft=perl6
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