xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/t/op/wantarray.t (revision 0:68f95e015346)
1*0Sstevel@tonic-gate#!./perl
2*0Sstevel@tonic-gate
3*0Sstevel@tonic-gateprint "1..12\n";
4*0Sstevel@tonic-gatesub context {
5*0Sstevel@tonic-gate  my ( $cona, $testnum ) = @_;
6*0Sstevel@tonic-gate  my $conb = (defined wantarray) ? ( wantarray ? 'A' : 'S' ) : 'V';
7*0Sstevel@tonic-gate  unless ( $cona eq $conb ) {
8*0Sstevel@tonic-gate	print "# Context $conb should be $cona\nnot ";
9*0Sstevel@tonic-gate  }
10*0Sstevel@tonic-gate  print "ok $testnum\n";
11*0Sstevel@tonic-gate}
12*0Sstevel@tonic-gate
13*0Sstevel@tonic-gatecontext('V',1);
14*0Sstevel@tonic-gate$a = context('S',2);
15*0Sstevel@tonic-gate@a = context('A',3);
16*0Sstevel@tonic-gatescalar context('S',4);
17*0Sstevel@tonic-gate$a = scalar context('S',5);
18*0Sstevel@tonic-gate($a) = context('A',6);
19*0Sstevel@tonic-gate($a) = scalar context('S',7);
20*0Sstevel@tonic-gate
21*0Sstevel@tonic-gate{
22*0Sstevel@tonic-gate  # [ID 20020626.011] incorrect wantarray optimisation
23*0Sstevel@tonic-gate  sub simple { wantarray ? 1 : 2 }
24*0Sstevel@tonic-gate  sub inline {
25*0Sstevel@tonic-gate    my $a = wantarray ? simple() : simple();
26*0Sstevel@tonic-gate    $a;
27*0Sstevel@tonic-gate  }
28*0Sstevel@tonic-gate  my @b = inline();
29*0Sstevel@tonic-gate  my $c = inline();
30*0Sstevel@tonic-gate  print +(@b == 1 && "@b" eq "2") ? "ok 8\n" : "not ok 8\t# <@b>\n";
31*0Sstevel@tonic-gate  print +($c == 2) ? "ok 9\n" : "not ok 9\t# <$c>\n";
32*0Sstevel@tonic-gate}
33*0Sstevel@tonic-gate
34*0Sstevel@tonic-gatemy $qcontext = q{
35*0Sstevel@tonic-gate  $q = (defined wantarray) ? ( wantarray ? 'A' : 'S' ) : 'V';
36*0Sstevel@tonic-gate};
37*0Sstevel@tonic-gateeval $qcontext;
38*0Sstevel@tonic-gateprint $q eq 'V' ? "ok 10\n" : "not ok 10\n";
39*0Sstevel@tonic-gate$a = eval $qcontext;
40*0Sstevel@tonic-gateprint $q eq 'S' ? "ok 11\n" : "not ok 11\n";
41*0Sstevel@tonic-gate@a = eval $qcontext;
42*0Sstevel@tonic-gateprint $q eq 'A' ? "ok 12\n" : "not ok 12\n";
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate1;
45