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|
#!./perl
sub foo1
{
ok($_[0]);
'value';
}
sub foo2
{
shift;
ok($_[0]);
$x = 'value';
$x;
}
my $test = 1;
sub ok {
my($ok, $name) = @_;
# You have to do it this way or VMS will get confused.
printf "%s %d%s\n", $ok ? "ok" : "not ok",
$test,
defined $name ? " - $name" : '';
printf "# Failed test at line %d\n", (caller)[2] unless $ok;
$test++;
return $ok;
}
print "1..50\n";
# Test do &sub and proper @_ handling.
$_[0] = 0;
{
no warnings 'deprecated';
$result = do foo1(1);
}
ok( $result eq 'value', ":$result: eq :value:" );
ok( $_[0] == 0 );
$_[0] = 0;
{
no warnings 'deprecated';
$result = do foo2(0,1,0);
}
ok( $result eq 'value', ":$result: eq :value:" );
ok( $_[0] == 0 );
$result = do{ ok 1; 'value';};
ok( $result eq 'value', ":$result: eq :value:" );
sub blather {
ok 1 foreach @_;
}
{
no warnings 'deprecated';
do blather("ayep","sho nuff");
}
@x = ("jeepers", "okydoke");
@y = ("uhhuh", "yeppers");
{
no warnings 'deprecated';
do blather(@x,"noofie",@y);
}
unshift @INC, '.';
if (open(DO, ">$$.16")) {
print DO "ok(1, 'do in scalar context') if defined wantarray && not wantarray\n";
close DO or die "Could not close: $!";
}
my $a = do "$$.16"; die $@ if $@;
if (open(DO, ">$$.17")) {
print DO "ok(1, 'do in list context') if defined wantarray && wantarray\n";
close DO or die "Could not close: $!";
}
my @a = do "$$.17"; die $@ if $@;
if (open(DO, ">$$.18")) {
print DO "ok(1, 'do in void context') if not defined wantarray\n";
close DO or die "Could not close: $!";
}
do "$$.18"; die $@ if $@;
# bug ID 20010920.007
eval qq{ do qq(a file that does not exist); };
ok( !$@, "do on a non-existing file, first try" );
eval qq{ do uc qq(a file that does not exist); };
ok( !$@, "do on a non-existing file, second try" );
# 6 must be interpreted as a file name here
ok( (!defined do 6) && $!, "'do 6' : $!" );
# [perl #19545]
push @t, ($u = (do {} . "This should be pushed."));
ok( $#t == 0, "empty do result value" );
$zok = '';
$owww = do { 1 if $zok };
ok( $owww eq '', 'last is unless' );
$owww = do { 2 unless not $zok };
ok( $owww == 1, 'last is if not' );
$zok = 'swish';
$owww = do { 3 unless $zok };
ok( $owww eq 'swish', 'last is unless' );
$owww = do { 4 if not $zok };
ok( $owww eq '', 'last is if not' );
# [perl #38809]
@a = (7);
$x = sub { do { return do { @a } }; 2 }->();
ok(defined $x && $x == 1, 'return do { } receives caller scalar context');
@x = sub { do { return do { @a } }; 2 }->();
ok("@x" eq "7", 'return do { } receives caller list context');
@a = (7, 8);
$x = sub { do { return do { 1; @a } }; 3 }->();
ok(defined $x && $x == 2, 'return do { ; } receives caller scalar context');
@x = sub { do { return do { 1; @a } }; 3 }->();
ok("@x" eq "7 8", 'return do { ; } receives caller list context');
@b = (11 .. 15);
$x = sub { do { return do { 1; @a, @b } }; 3 }->();
ok(defined $x && $x == 5, 'return do { ; , } receives caller scalar context');
@x = sub { do { return do { 1; @a, @b } }; 3 }->();
ok("@x" eq "7 8 11 12 13 14 15", 'return do { ; , } receives caller list context');
$x = sub { do { return do { 1; @a }, do { 2; @b } }; 3 }->();
ok(defined $x && $x == 5, 'return do { ; }, do { ; } receives caller scalar context');
@x = sub { do { return do { 1; @a }, do { 2; @b } }; 3 }->();
ok("@x" eq "7 8 11 12 13 14 15", 'return do { ; }, do { ; } receives caller list context');
@a = (7, 8, 9);
$x = sub { do { do { 1; return @a } }; 4 }->();
ok(defined $x && $x == 3, 'do { return } receives caller scalar context');
@x = sub { do { do { 1; return @a } }; 4 }->();
ok("@x" eq "7 8 9", 'do { return } receives caller list context');
@a = (7, 8, 9, 10);
$x = sub { do { return do { 1; do { 2; @a } } }; 5 }->();
ok(defined $x && $x == 4, 'return do { do { ; } } receives caller scalar context');
@x = sub { do { return do { 1; do { 2; @a } } }; 5 }->();
ok("@x" eq "7 8 9 10", 'return do { do { ; } } receives caller list context');
# Do blocks created by constant folding
# [perl #68108]
$x = sub { if (1) { 20 } }->();
ok($x == 20, 'if (1) { $x } receives caller scalar context');
@a = (21 .. 23);
$x = sub { if (1) { @a } }->();
ok($x == 3, 'if (1) { @a } receives caller scalar context');
@x = sub { if (1) { @a } }->();
ok("@x" eq "21 22 23", 'if (1) { @a } receives caller list context');
$x = sub { if (1) { 0; 20 } }->();
ok($x == 20, 'if (1) { ...; $x } receives caller scalar context');
@a = (24 .. 27);
$x = sub { if (1) { 0; @a } }->();
ok($x == 4, 'if (1) { ...; @a } receives caller scalar context');
@x = sub { if (1) { 0; @a } }->();
ok("@x" eq "24 25 26 27", 'if (1) { ...; @a } receives caller list context');
$x = sub { if (1) { 0; 20 } else{} }->();
ok($x == 20, 'if (1) { ...; $x } else{} receives caller scalar context');
@a = (24 .. 27);
$x = sub { if (1) { 0; @a } else{} }->();
ok($x == 4, 'if (1) { ...; @a } else{} receives caller scalar context');
@x = sub { if (1) { 0; @a } else{} }->();
ok("@x" eq "24 25 26 27", 'if (1) { ...; @a } else{} receives caller list context');
$x = sub { if (0){} else { 0; 20 } }->();
ok($x == 20, 'if (0){} else { ...; $x } receives caller scalar context');
@a = (24 .. 27);
$x = sub { if (0){} else { 0; @a } }->();
ok($x == 4, 'if (0){} else { ...; @a } receives caller scalar context');
@x = sub { if (0){} else { 0; @a } }->();
ok("@x" eq "24 25 26 27", 'if (0){} else { ...; @a } receives caller list context');
END {
1 while unlink("$$.16", "$$.17", "$$.18");
}
|
