1#!./perl -wT 2 3BEGIN { 4 chdir 't' if -d 't'; 5 @INC = '../lib'; 6} 7 8use strict; 9use Test::More tests => 22; 10use Getopt::Std; 11 12our ($warning, $opt_f, $opt_i, $opt_o, $opt_x, $opt_y, %opt); 13 14# First we test the getopt function 15@ARGV = qw(-xo -f foo -y file); 16getopt('f'); 17 18is( "@ARGV", 'file', 'options removed from @ARGV (1)' ); 19ok( $opt_x && $opt_o && $opt_y, 'options -x, -o and -y set' ); 20is( $opt_f, 'foo', q/option -f is 'foo'/ ); 21 22@ARGV = qw(-hij k -- -l m -n); 23getopt 'il', \%opt; 24 25is( "@ARGV", 'k -- -l m -n', 'options removed from @ARGV (2)' ); 26ok( $opt{h} && $opt{i} eq 'j', 'option -h and -i correctly set' ); 27ok( !defined $opt{l}, 'option -l not set' ); 28ok( !defined $opt_i, '$opt_i still undefined' ); 29 30# Then we try the getopts 31$opt_o = $opt_i = $opt_f = undef; 32@ARGV = qw(-foi -i file); 33 34ok( getopts('oif:'), 'getopts succeeded (1)' ); 35is( "@ARGV", 'file', 'options removed from @ARGV (3)' ); 36ok( $opt_i && $opt_f eq 'oi', 'options -i and -f correctly set' ); 37ok( !defined $opt_o, 'option -o not set' ); 38 39%opt = (); $opt_i = undef; 40@ARGV = qw(-hij -k -- -l m); 41 42ok( getopts('hi:kl', \%opt), 'getopts succeeded (2)' ); 43is( "@ARGV", '-l m', 'options removed from @ARGV (4)' ); 44ok( $opt{h} && $opt{k}, 'options -h and -k set' ); 45is( $opt{i}, 'j', q/option -i is 'j'/ ); 46ok( !defined $opt_i, '$opt_i still undefined' ); 47 48# Try illegal options, but avoid printing of the error message 49$SIG{__WARN__} = sub { $warning = $_[0] }; 50@ARGV = qw(-h help); 51 52ok( !getopts("xf:y"), 'getopts fails for an illegal option' ); 53ok( $warning eq "Unknown option: h\n", 'user warned' ); 54 55# Tests for RT #41359 56undef %opt; 57my $expected; 58{ 59 local @ARGV = ( '-a', '-b', 'foo', '-c' ); 60 getopts('ab:c:', \%opt); 61 $expected = { 'a' => 1, 'b' => 'foo', 'c' => undef }; 62 is_deeply(\%opt, $expected, 63 "getopts: multiple switches; switch expected argument, none provided; value undef"); 64 undef %opt; 65} 66 67{ 68 local @ARGV = ( '-c' ); 69 getopts('c:', \%opt); 70 $expected = { 'c' => undef }; 71 is_deeply(\%opt, $expected, 72 "getopts: single switch; switch expected argument, none provided; value undef"); 73 undef %opt; 74} 75 76{ 77 local @ARGV = ( '-b', 'foo', '-c' ); 78 getopt('bc', \%opt); 79 $expected = { 'b' => 'foo', 'c' => undef }; 80 is_deeply(\%opt, $expected, 81 "getopt: multiple switches; switch expected argument, none provided; value undef"); 82 undef %opt; 83} 84 85{ 86 local @ARGV = ( '-c' ); 87 getopt('c', \%opt); 88 $expected = { 'c' => undef }; 89 is_deeply(\%opt, $expected, 90 "getopt: single switch; switch expected argument, none provided; value undef"); 91 undef %opt; 92} 93