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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..22\n";
# Test do &sub and proper @_ handling.
$_[0] = 0;
$result = do foo1(1);
ok( $result eq 'value', ":$result: eq :value:" );
ok( $_[0] == 0 );
$_[0] = 0;
$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 @_;
}
do blather("ayep","sho nuff");
@x = ("jeepers", "okydoke");
@y = ("uhhuh", "yeppers");
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" );
END {
1 while unlink("$$.16", "$$.17", "$$.18");
}
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