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use v6;
use Test;
# L<S03/Assignment operators/A op= B>
plan 27;
{
my @a = (1, 2, 3);
lives-ok({@a .= map: { $_ + 1 }}, '.= runs with block');
is(@a[0], 2, 'inplace map [0]');
is(@a[1], 3, 'inplace map [1]');
is(@a[2], 4, 'inplace map [2]');
}
{
my @b = <foo 123 bar 456 baz>;
lives-ok { @b.=grep(/<[a..z]>/)},
'.= works without surrounding whitespace';
is @b[0], 'foo', 'inplace grep [0]';
is @b[1], 'bar', 'inplace grep [1]';
is @b[2], 'baz', 'inplace grep [2]';
}
{
my $a=3.14;
$a .= Int;
is($a, 3, "inplace int");
}
#?rakudo skip "Method '' not found for invocant of class 'Str' RT #124528"
{
my $b = "a_string"; $b .= WHAT;
my $c = 42; $c .= WHAT;
my $d = 42.23; $d .= WHAT;
my @e = <a b c d>; @e .= WHAT;
isa-ok($b, Str, "inplace WHAT of a Str");
isa-ok($c, Int, "inplace WHAT of a Num");
isa-ok($d, Rat, "inplace WHAT of a Rat");
isa-ok(@e[0], Array, "inplace WHAT of an Array");
}
my $f = "lowercase"; $f .= uc;
my $g = "UPPERCASE"; $g .= lc;
my $h = "lowercase"; $h .= tc;
is($f, "LOWERCASE", "inplace uc");
is($g, "uppercase", "inplace lc");
is($h, "Lowercase", "inplace tc");
# L<S12/"Mutating methods">
my @b = <z a b d e>;
@b .= sort;
is ~@b, "a b d e z", "inplace sort";
{
$_ = -42;
.=abs;
is($_, 42, '.=foo form works on $_');
}
# RT #64268
{
my @a = 1,3,2;
my @a_orig = @a;
my @b = @a.sort: {1};
#?niecza todo "sort is not a stable sort on all platforms"
is @b, @a_orig, 'worked: @a.sort: {1}';
@a.=sort: {1};
#?niecza todo "sort is not a stable sort on all platforms"
is @a, @a_orig, 'worked: @a.=sort: {1}';
@a.=sort;
is @a, [1,2,3], 'worked: @a.=sort';
}
# RT #70676
{
my $x = 5.5;
$x .= Int;
isa-ok $x, Int, '.= Int (type)';
is $x, 5, '.= Int (value)';
$x = 3;
$x .= Str;
isa-ok $x, Str, '.= Str (type)';
is $x, '3', '.= Str (value)';
$x = 15;
$x .= Bool;
isa-ok $x, Bool, '.= Bool (type)';
is $x, True, '.= Bool (value)';
}
# vim: ft=perl6
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