#!./perl
-# $RCSfile: do.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:45 $
-
sub foo1
{
- print $_[0];
+ ok($_[0]);
'value';
}
sub foo2
{
shift;
- print $_[0];
+ ok($_[0]);
$x = 'value';
$x;
}
-print "1..15\n";
+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 $ok;
+}
+
+print "1..50\n";
-$_[0] = "not ok 1\n";
-$result = do foo1("ok 1\n");
-print "#2\t:$result: eq :value:\n";
-if ($result EQ 'value') { print "ok 2\n"; } else { print "not ok 2\n"; }
-if ($_[0] EQ "not ok 1\n") { print "ok 3\n"; } else { print "not ok 3\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] = "not ok 4\n";
-$result = do foo2("not ok 4\n","ok 4\n","not ok 4\n");
-print "#5\t:$result: eq :value:\n";
-if ($result EQ 'value') { print "ok 5\n"; } else { print "not ok 5\n"; }
-if ($_[0] EQ "not ok 4\n") { print "ok 6\n"; } else { print "not ok 6\n"; }
+$_[0] = 0;
+{
+ no warnings 'deprecated';
+ $result = do foo2(0,1,0);
+}
+ok( $result eq 'value', ":$result: eq :value:" );
+ok( $_[0] == 0 );
-$result = do{print "ok 7\n"; 'value';};
-print "#8\t:$result: eq :value:\n";
-if ($result EQ 'value') { print "ok 8\n"; } else { print "not ok 8\n"; }
+$result = do{ ok 1; 'value';};
+ok( $result eq 'value', ":$result: eq :value:" );
sub blather {
- print @_;
+ 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, ">$$.18")) {
+ print DO "ok(1, 'do in void context') if not defined wantarray\n";
+ close DO or die "Could not close: $!";
}
-do blather("ok 9\n","ok 10\n");
-@x = ("ok 11\n", "ok 12\n");
-@y = ("ok 14\n", "ok 15\n");
-do blather(@x,"ok 13\n",@y);
+do "$$.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");
+}
projects / p5sagit/p5-mst-13.2.git / blobdiff