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#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = qw(. ../lib);
}
require "test.pl";
plan( tests => 65 );
@foo = (1, 2, 3, 4);
cmp_ok($foo[0], '==', 1, 'first elem');
cmp_ok($foo[3], '==', 4, 'last elem');
$_ = join(':',@foo);
cmp_ok($_, 'eq', '1:2:3:4', 'join list');
($a,$b,$c,$d) = (1,2,3,4);
cmp_ok("$a;$b;$c;$d", 'eq', '1;2;3;4', 'list assign');
($c,$b,$a) = split(/ /,"111 222 333");
cmp_ok("$a;$b;$c",'eq','333;222;111','list split on space');
($a,$b,$c) = ($c,$b,$a);
cmp_ok("$a;$b;$c",'eq','111;222;333','trio rotate');
($a, $b) = ($b, $a);
cmp_ok("$a-$b",'eq','222-111','duo swap');
($a, $b) = ($b, $a) = ($a, $b);
cmp_ok("$a-$b",'eq','222-111','duo swap swap');
($a, $b[1], $c{2}, $d) = (1, 2, 3, 4);
cmp_ok($a,'==',1,'assign scalar in list');
cmp_ok($b[1],'==',2,'assign aelem in list');
cmp_ok($c{2},'==',3,'assign helem in list');
cmp_ok($d,'==',4,'assign last scalar in list');
@foo = (1,2,3,4,5,6,7,8);
($a, $b, $c, $d) = @foo;
cmp_ok("$a/$b/$c/$d",'eq','1/2/3/4','long list assign');
@foo = (1,2);
($a, $b, $c, $d) = @foo;
cmp_ok($a,'==',1,'short list 1 defined');
cmp_ok($b,'==',2,'short list 2 defined');
ok(!defined($c),'short list 3 undef');
ok(!defined($d),'short list 4 undef');
@foo = @bar = (1);
cmp_ok(join(':',@foo,@bar),'eq','1:1','list reassign');
@foo = @bar = (2,3);
cmp_ok(join(':',join('+',@foo),join('-',@bar)),'eq','2+3:2-3','long list reassign');
@foo = ();
@foo = 1+2+3;
cmp_ok(join(':',@foo),'eq','6','scalar assign to array');
{
my ($a, $b, $c);
for ($x = 0; $x < 3; $x = $x + 1) {
($a, $b, $c) =
$x == 0 ? ('a','b','c')
: $x == 1 ? ('d','e','f')
: ('g','h','i')
;
if ($x == 0) {
cmp_ok($a,'eq','a','ternary for a 1');
cmp_ok($b,'eq','b','ternary for b 1');
cmp_ok($c,'eq','c','ternary for c 1');
}
if ($x == 1) {
cmp_ok($a,'eq','d','ternary for a 2');
cmp_ok($b,'eq','e','ternary for b 2');
cmp_ok($c,'eq','f','ternary for c 2');
}
if ($x == 2) {
cmp_ok($a,'eq','g','ternary for a 3');
cmp_ok($b,'eq','h','ternary for b 3');
cmp_ok($c,'eq','i','ternary for c 3');
}
}
}
{
my ($a, $b, $c);
for ($x = 0; $x < 3; $x = $x + 1) {
($a, $b, $c) = do {
if ($x == 0) {
('a','b','c');
}
elsif ($x == 1) {
('d','e','f');
}
else {
('g','h','i');
}
};
if ($x == 0) {
cmp_ok($a,'eq','a','block for a 1');
cmp_ok($b,'eq','b','block for b 1');
cmp_ok($c,'eq','c','block for c 1');
}
if ($x == 1) {
cmp_ok($a,'eq','d','block for a 2');
cmp_ok($b,'eq','e','block for b 2');
cmp_ok($c,'eq','f','block for c 2');
}
if ($x == 2) {
cmp_ok($a,'eq','g','block for a 3');
cmp_ok($b,'eq','h','block for b 3');
cmp_ok($c,'eq','i','block for c 3');
}
}
}
$x = 666;
@a = ($x == 12345 || (1,2,3));
cmp_ok(join('*',@a),'eq','1*2*3','logical or f');
@a = ($x == $x || (4,5,6));
cmp_ok(join('*',@a),'eq','1','logical or t');
cmp_ok(join('',1,2,(3,4,5)),'eq','12345','list ..(...)');
cmp_ok(join('',(1,2,3,4,5)),'eq','12345','list (.....)');
cmp_ok(join('',(1,2,3,4),5),'eq','12345','list (....).');
cmp_ok(join('',1,(2,3,4),5),'eq','12345','list .(...).');
cmp_ok(join('',1,2,(3,4),5),'eq','12345','list ..(..).');
cmp_ok(join('',1,2,3,(4),5),'eq','12345','list ...(.).');
cmp_ok(join('',(1,2),3,(4,5)),'eq','12345','list (..).(..)');
{
my @a = (0, undef, undef, 3);
my @b = @a[1,2];
my @c = (0, undef, undef, 3)[1, 2];
cmp_ok(scalar(@b),'==',scalar(@c),'slice and slice');
cmp_ok(scalar(@c),'==',2,'slice len');
@b = (29, scalar @c[()]);
cmp_ok(join(':',@b),'eq','29:','slice ary nil');
my %h = (a => 1);
@b = (30, scalar @h{()});
cmp_ok(join(':',@b),'eq','30:','slice hash nil');
my $size = scalar(()[1..1]);
cmp_ok($size,'==','0','size nil');
}
{
# perl #39882
sub test_zero_args {
my $test_name = shift;
is(scalar(@_), 0, $test_name);
}
test_zero_args("simple list slice", (10,11)[2,3]);
test_zero_args("grepped list slice", grep(1, (10,11)[2,3]));
test_zero_args("sorted list slice", sort((10,11)[2,3]));
test_zero_args("assigned list slice", my @tmp = (10,11)[2,3]);
test_zero_args("do-returned list slice", do { (10,11)[2,3]; });
test_zero_args("list literal slice", qw(a b)[2,3]);
test_zero_args("empty literal slice", qw()[2,3]);
}
{
# perl #20321
is (join('', @{[('abc'=~/./g)[0,1,2,1,0]]}), "abcba");
}
{
is(join('', qw(a b c)[2,0,1]), "cab");
my @a = qw(a b c);
is(join(":", @a), "a:b:c");
my @b = qw();
is($#b, -1);
}
{
# comma operator with lvalue only propagates the lvalue context to
# the last operand.
("const", my $x) ||= 1;
is( $x, 1 );
}
# [perl #78194] list slice aliasing op return values
sub {
is(\$_[0], \$_[1],
'[perl #78194] \$_[0] == \$_[1] when @_ aliases elems repeated by lslice'
)
}
->(("${\''}")[0,0]);
# [perl #122995] Hang when compiling while(1) in a sub-list
# No ok() or is() necessary.
sub foo { () = ($a, my $b, ($c, do { while(1) {} })) }
|
