xref: /openbsd/gnu/usr.bin/perl/lib/subs.t (revision 891d7ab6)
1#!./perl
2
3BEGIN {
4    chdir 't' if -d 't';
5    @INC = '../lib';
6    $ENV{PERL5LIB} = '../lib';
7    require './test.pl';
8}
9
10$| = 1;
11undef $/;
12my @prgs = split "\n########\n", <DATA>;
13print "1..", scalar @prgs, "\n";
14
15my $Is_VMS = $^O eq 'VMS';
16my $Is_MSWin32 = $^O eq 'MSWin32';
17my $Is_NetWare = $^O eq 'NetWare';
18my $i = 0 ;
19
20for (@prgs){
21    my $switch = "";
22    my @temps = () ;
23    if (s/^\s*-\w+//){
24        $switch = $&;
25    }
26    my($prog,$expected) = split(/\nEXPECT\n/, $_);
27    if ( $prog =~ /--FILE--/) {
28        my(@files) = split(/\n--FILE--\s*([^\s\n]*)\s*\n/, $prog) ;
29	shift @files ;
30	die "Internal error test $i didn't split into pairs, got " .
31		scalar(@files) . "[" . join("%%%%", @files) ."]\n"
32	    if @files % 2 ;
33	while (@files > 2) {
34	    my $filename = shift @files ;
35	    my $code = shift @files ;
36    	    push @temps, $filename ;
37	    open F, ">$filename" or die "Cannot open $filename: $!\n" ;
38	    print F $code ;
39	    close F ;
40	}
41	shift @files ;
42	$prog = shift @files ;
43    }
44    my $tmpfile = tempfile();
45    open TEST, ">$tmpfile";
46    print TEST $prog,"\n";
47    close TEST;
48    my $results = $Is_VMS ?
49	              `./perl $switch $tmpfile 2>&1` :
50		  $Is_MSWin32 ?
51		      `.\\perl -I../lib $switch $tmpfile 2>&1` :
52		  $Is_NetWare ?
53		      `perl -I../lib $switch $tmpfile 2>&1` :
54                  `./perl $switch $tmpfile 2>&1`;
55    my $status = $?;
56    $results =~ s/\n+$//;
57    # allow expected output to be written as if $prog is on STDIN
58    $results =~ s/tmp\d+[A-Z][A-Z]?/-/g;
59    $results =~ s/\n%[A-Z]+-[SIWEF]-.*$// if $Is_VMS;  # clip off DCL status msg
60# bison says 'parse error' instead of 'syntax error',
61# various yaccs may or may not capitalize 'syntax'.
62    $results =~ s/^(syntax|parse) error/syntax error/mig;
63    $expected =~ s/\n+$//;
64    my $prefix = ($results =~ s/^PREFIX\n//) ;
65    if ( $results =~ s/^SKIPPED\n//) {
66	print "$results\n" ;
67    }
68    elsif (($prefix and $results !~ /^\Q$expected/) or
69	   (!$prefix and $results ne $expected)){
70        print STDERR "PROG: $switch\n$prog\n";
71        print STDERR "EXPECTED:\n$expected\n";
72        print STDERR "GOT:\n$results\n";
73        print "not ";
74    }
75    print "ok ", ++$i, "\n";
76    foreach (@temps)
77	{ unlink $_ if $_ }
78}
79
80__END__
81
82# Error - not predeclaring a sub
83Fred 1,2 ;
84sub Fred {}
85EXPECT
86Number found where operator expected at - line 3, near "Fred 1"
87	(Do you need to predeclare Fred?)
88syntax error at - line 3, near "Fred 1"
89Execution of - aborted due to compilation errors.
90########
91
92# Error - not predeclaring a sub in time
93Fred 1,2 ;
94use subs qw( Fred ) ;
95sub Fred {}
96EXPECT
97Number found where operator expected at - line 3, near "Fred 1"
98	(Do you need to predeclare Fred?)
99syntax error at - line 3, near "Fred 1"
100BEGIN not safe after errors--compilation aborted at - line 4.
101########
102
103# AOK
104use subs qw( Fred) ;
105Fred 1,2 ;
106sub Fred { print $_[0] + $_[1], "\n" }
107EXPECT
1083
109########
110
111# override a built-in function
112use subs qw( open ) ;
113open 1,2 ;
114sub open { print $_[0] + $_[1], "\n" }
115EXPECT
1163
117########
118
119# override a built-in function, call after definition
120use subs qw( open ) ;
121sub open { print $_[0] + $_[1], "\n" }
122open 1,2 ;
123EXPECT
1243
125########
126
127# override a built-in function, call with ()
128use subs qw( open ) ;
129open (1,2) ;
130sub open { print $_[0] + $_[1], "\n" }
131EXPECT
1323
133########
134
135# override a built-in function, call with () after definition
136use subs qw( open ) ;
137sub open { print $_[0] + $_[1], "\n" }
138open (1,2) ;
139EXPECT
1403
141########
142
143--FILE-- abc
144Fred 1,2 ;
1451;
146--FILE--
147use subs qw( Fred ) ;
148require "./abc" ;
149sub Fred { print $_[0] + $_[1], "\n" }
150EXPECT
1513
152########
153
154# check that it isn't affected by block scope
155{
156    use subs qw( Fred ) ;
157}
158Fred 1, 2;
159sub Fred { print $_[0] + $_[1], "\n" }
160EXPECT
1613
162