21 # You have to do it this way or VMS will get confused.
22 printf "%s %d%s\n", $ok ? "ok" : "not ok",
24 defined $name ? " - $name" : '';
26 printf "# Failed test at line %d\n", (caller)[2] unless $ok;
34 # Test do &sub and proper @_ handling.
38 ok( $result eq 'value', ":$result: eq :value:" );
42 $result = do foo2(0,1,0);
43 ok( $result eq 'value', ":$result: eq :value:" );
46 $result = do{ ok 1; 'value';};
47 ok( $result eq 'value', ":$result: eq :value:" );
53 do blather("ayep","sho nuff");
54 @x = ("jeepers", "okydoke");
55 @y = ("uhhuh", "yeppers");
56 do blather(@x,"noofie",@y);
60 if (open(DO, ">$$.16")) {
61 print DO "ok(1, 'do in scalar context') if defined wantarray && not wantarray\n";
62 close DO or die "Could not close: $!";
65 my $a = do "$$.16"; die $@ if $@;
67 if (open(DO, ">$$.17")) {
68 print DO "ok(1, 'do in list context') if defined wantarray && wantarray\n";
69 close DO or die "Could not close: $!";
72 my @a = do "$$.17"; die $@ if $@;
74 if (open(DO, ">$$.18")) {
75 print DO "ok(1, 'do in void context') if not defined wantarray\n";
76 close DO or die "Could not close: $!";
79 do "$$.18"; die $@ if $@;
82 eval qq{ do qq(a file that does not exist); };
83 ok( !$@, "do on a non-existing file, first try" );
85 eval qq{ do uc qq(a file that does not exist); };
86 ok( !$@, "do on a non-existing file, second try" );
88 # 6 must be interpreted as a file name here
89 ok( (!defined do 6) && $!, "'do 6' : $!" );
92 push @t, ($u = (do {} . "This should be pushed."));
93 ok( $#t == 0, "empty do result value" );
96 $owww = do { 1 if $zok };
97 ok( $owww eq '', 'last is unless' );
98 $owww = do { 2 unless not $zok };
99 ok( $owww == 1, 'last is if not' );
102 $owww = do { 3 unless $zok };
103 ok( $owww eq 'swish', 'last is unless' );
104 $owww = do { 4 if not $zok };
105 ok( $owww eq '', 'last is if not' );
109 $x = sub { do { return do { @a } }; 2 }->();
110 ok(defined $x && $x == 1, 'return do { } receives caller scalar context');
111 @x = sub { do { return do { @a } }; 2 }->();
112 ok("@x" eq "7", 'return do { } receives caller list context');
115 $x = sub { do { return do { 1; @a } }; 3 }->();
116 ok(defined $x && $x == 2, 'return do { ; } receives caller scalar context');
117 @x = sub { do { return do { 1; @a } }; 3 }->();
118 ok("@x" eq "7 8", 'return do { ; } receives caller list context');
121 $x = sub { do { return do { 1; @a, @b } }; 3 }->();
122 ok(defined $x && $x == 5, 'return do { ; , } receives caller scalar context');
123 @x = sub { do { return do { 1; @a, @b } }; 3 }->();
124 ok("@x" eq "7 8 11 12 13 14 15", 'return do { ; , } receives caller list context');
126 $x = sub { do { return do { 1; @a }, do { 2; @b } }; 3 }->();
127 ok(defined $x && $x == 5, 'return do { ; }, do { ; } receives caller scalar context');
128 @x = sub { do { return do { 1; @a }, do { 2; @b } }; 3 }->();
129 ok("@x" eq "7 8 11 12 13 14 15", 'return do { ; }, do { ; } receives caller list context');
132 $x = sub { do { do { 1; return @a } }; 4 }->();
133 ok(defined $x && $x == 3, 'do { return } receives caller scalar context');
134 @x = sub { do { do { 1; return @a } }; 4 }->();
135 ok("@x" eq "7 8 9", 'do { return } receives caller list context');
138 $x = sub { do { return do { 1; do { 2; @a } } }; 5 }->();
139 ok(defined $x && $x == 4, 'return do { do { ; } } receives caller scalar context');
140 @x = sub { do { return do { 1; do { 2; @a } } }; 5 }->();
141 ok("@x" eq "7 8 9 10", 'return do { do { ; } } receives caller list context');
143 # Do blocks created by constant folding
145 $x = sub { if (1) { 20 } }->();
146 ok($x == 20, 'if (1) { $x } receives caller scalar context');
149 $x = sub { if (1) { @a } }->();
150 ok($x == 3, 'if (1) { @a } receives caller scalar context');
151 @x = sub { if (1) { @a } }->();
152 ok("@x" eq "21 22 23", 'if (1) { @a } receives caller list context');
154 $x = sub { if (1) { 0; 20 } }->();
155 ok($x == 20, 'if (1) { ...; $x } receives caller scalar context');
158 $x = sub { if (1) { 0; @a } }->();
159 ok($x == 4, 'if (1) { ...; @a } receives caller scalar context');
160 @x = sub { if (1) { 0; @a } }->();
161 ok("@x" eq "24 25 26 27", 'if (1) { ...; @a } receives caller list context');
164 1 while unlink("$$.16", "$$.17", "$$.18");