1#!./perl -w
2
3# Tests for the command-line switches:
4# -0, -c, -l, -s, -m, -M, -V, -v, -h, -z, -i
5# Some switches have their own tests, see MANIFEST.
6
7BEGIN {
8    chdir 't' if -d 't';
9    @INC = '../lib';
10}
11
12require "./test.pl";
13
14plan(tests => 26);
15
16use Config;
17
18# due to a bug in VMS's piping which makes it impossible for runperl()
19# to emulate echo -n (ie. stdin always winds up with a newline), these 
20# tests almost totally fail.
21$TODO = "runperl() unable to emulate echo -n due to pipe bug" if $^O eq 'VMS';
22
23my $r;
24my @tmpfiles = ();
25END { unlink @tmpfiles }
26
27# Tests for -0
28
29$r = runperl(
30    switches	=> [ '-0', ],
31    stdin	=> 'foo\0bar\0baz\0',
32    prog	=> 'print qq(<$_>) while <>',
33);
34is( $r, "<foo\0><bar\0><baz\0>", "-0" );
35
36$r = runperl(
37    switches	=> [ '-l', '-0', '-p' ],
38    stdin	=> 'foo\0bar\0baz\0',
39    prog	=> '1',
40);
41is( $r, "foo\nbar\nbaz\n", "-0 after a -l" );
42
43$r = runperl(
44    switches	=> [ '-0', '-l', '-p' ],
45    stdin	=> 'foo\0bar\0baz\0',
46    prog	=> '1',
47);
48is( $r, "foo\0bar\0baz\0", "-0 before a -l" );
49
50$r = runperl(
51    switches	=> [ sprintf("-0%o", ord 'x') ],
52    stdin	=> 'fooxbarxbazx',
53    prog	=> 'print qq(<$_>) while <>',
54);
55is( $r, "<foox><barx><bazx>", "-0 with octal number" );
56
57$r = runperl(
58    switches	=> [ '-00', '-p' ],
59    stdin	=> 'abc\ndef\n\nghi\njkl\nmno\n\npq\n',
60    prog	=> 's/\n/-/g;$_.=q(/)',
61);
62is( $r, 'abc-def--/ghi-jkl-mno--/pq-/', '-00 (paragraph mode)' );
63
64$r = runperl(
65    switches	=> [ '-0777', '-p' ],
66    stdin	=> 'abc\ndef\n\nghi\njkl\nmno\n\npq\n',
67    prog	=> 's/\n/-/g;$_.=q(/)',
68);
69is( $r, 'abc-def--ghi-jkl-mno--pq-/', '-0777 (slurp mode)' );
70
71$r = runperl(
72    switches	=> [ '-066' ],
73    prog	=> 'BEGIN { print qq{($/)} } print qq{[$/]}',
74);
75is( $r, "(\066)[\066]", '$/ set at compile-time' );
76
77# Tests for -c
78
79my $filename = 'swctest.tmp';
80SKIP: {
81    local $TODO = '';   # this one works on VMS
82
83    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
84    print $f <<'SWTEST';
85BEGIN { print "block 1\n"; }
86CHECK { print "block 2\n"; }
87INIT  { print "block 3\n"; }
88	print "block 4\n";
89END   { print "block 5\n"; }
90SWTEST
91    close $f or die "Could not close: $!";
92    $r = runperl(
93	switches	=> [ '-c' ],
94	progfile	=> $filename,
95	stderr		=> 1,
96    );
97    # Because of the stderr redirection, we can't tell reliably the order
98    # in which the output is given
99    ok(
100	$r =~ /$filename syntax OK/
101	&& $r =~ /\bblock 1\b/
102	&& $r =~ /\bblock 2\b/
103	&& $r !~ /\bblock 3\b/
104	&& $r !~ /\bblock 4\b/
105	&& $r !~ /\bblock 5\b/,
106	'-c'
107    );
108    push @tmpfiles, $filename;
109}
110
111# Tests for -l
112
113$r = runperl(
114    switches	=> [ sprintf("-l%o", ord 'x') ],
115    prog	=> 'print for qw/foo bar/'
116);
117is( $r, 'fooxbarx', '-l with octal number' );
118
119# Tests for -s
120
121$r = runperl(
122    switches	=> [ '-s' ],
123    prog	=> 'for (qw/abc def ghi/) {print defined $$_ ? $$_ : q(-)}',
124    args	=> [ '--', '-abc=2', '-def', ],
125);
126is( $r, '21-', '-s switch parsing' );
127
128# Bug ID 20011106.084
129$filename = 'swstest.tmp';
130SKIP: {
131    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
132    print $f <<'SWTEST';
133#!perl -sn
134BEGIN { print $x; exit }
135SWTEST
136    close $f or die "Could not close: $!";
137    $r = runperl(
138	progfile    => $filename,
139	args	    => [ '-x=foo' ],
140    );
141    is( $r, 'foo', '-s on the shebang line' );
142    push @tmpfiles, $filename;
143}
144
145# Tests for -m and -M
146
147$filename = 'swtest.pm';
148SKIP: {
149    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!",4 );
150    print $f <<'SWTESTPM';
151package swtest;
152sub import { print map "<$_>", @_ }
1531;
154SWTESTPM
155    close $f or die "Could not close: $!";
156    $r = runperl(
157	switches    => [ '-Mswtest' ],
158	prog	    => '1',
159    );
160    is( $r, '<swtest>', '-M' );
161    $r = runperl(
162	switches    => [ '-Mswtest=foo' ],
163	prog	    => '1',
164    );
165    is( $r, '<swtest><foo>', '-M with import parameter' );
166    $r = runperl(
167	switches    => [ '-mswtest' ],
168	prog	    => '1',
169    );
170
171    {
172        local $TODO = '';  # this one works on VMS
173        is( $r, '', '-m' );
174    }
175    $r = runperl(
176	switches    => [ '-mswtest=foo,bar' ],
177	prog	    => '1',
178    );
179    is( $r, '<swtest><foo><bar>', '-m with import parameters' );
180    push @tmpfiles, $filename;
181}
182
183# Tests for -V
184
185{
186    local $TODO = '';   # these ones should work on VMS
187
188    # basic perl -V should generate significant output.
189    # we don't test actual format too much since it could change
190    like( runperl( switches => ['-V'] ), qr/(\n.*){20}/,
191          '-V generates 20+ lines' );
192
193    like( runperl( switches => ['-V'] ),
194	  qr/\ASummary of my perl5 .*configuration:/,
195          '-V looks okay' );
196
197    # lookup a known config var
198    chomp( $r=runperl( switches => ['-V:osname'] ) );
199    is( $r, "osname='$^O';", 'perl -V:osname');
200
201    # lookup a nonexistent var
202    chomp( $r=runperl( switches => ['-V:this_var_makes_switches_test_fail'] ) );
203    is( $r, "this_var_makes_switches_test_fail='UNKNOWN';",
204        'perl -V:unknown var');
205
206    # regexp lookup
207    # platforms that don't like this quoting can either skip this test
208    # or fix test.pl _quote_args
209    $r = runperl( switches => ['"-V:i\D+size"'] );
210    # should be unlike( $r, qr/^$|not found|UNKNOWN/ );
211    like( $r, qr/^(?!.*(not found|UNKNOWN))./, 'perl -V:re got a result' );
212
213    # make sure each line we got matches the re
214    ok( !( grep !/^i\D+size=/, split /^/, $r ), '-V:re correct' );
215}
216
217# Tests for -v
218
219{
220    local $TODO = '';   # these ones should work on VMS
221
222    my $v = sprintf "%vd", $^V;
223    like( runperl( switches => ['-v'] ),
224	  qr/This is perl, v$v built for $Config{archname}.+Copyright.+Larry Wall.+Artistic License.+GNU General Public License/s,
225          '-v looks okay' );
226
227}
228
229# Tests for -h
230
231{
232    local $TODO = '';   # these ones should work on VMS
233
234    like( runperl( switches => ['-h'] ),
235	  qr/Usage: .+(?i:perl(?:$Config{_exe})?).+switches.+programfile.+arguments/,
236          '-h looks okay' );
237
238}
239
240# Tests for -z (which does not exist)
241
242{
243    local $TODO = '';   # these ones should work on VMS
244
245    like( runperl( switches => ['-z'], stderr => 1 ),
246	  qr/\QUnrecognized switch: -z  (-h will show valid options)./,
247          '-z correctly unknown' );
248
249}
250
251# Tests for -i
252
253{
254    local $TODO = '';   # these ones should work on VMS
255
256    sub do_i_unlink { 1 while unlink("file", "file.bak") }
257
258    open(FILE, ">file") or die "$0: Failed to create 'file': $!";
259    print FILE <<__EOF__;
260foo yada dada
261bada foo bing
262king kong foo
263__EOF__
264    close FILE;
265
266    END { do_i_unlink() }
267
268    runperl( switches => ['-pi.bak'], prog => 's/foo/bar/', args => ['file'] );
269
270    open(FILE, "file") or die "$0: Failed to open 'file': $!";
271    chomp(my @file = <FILE>);
272    close FILE;
273
274    open(BAK, "file.bak") or die "$0: Failed to open 'file': $!";
275    chomp(my @bak = <BAK>);
276    close BAK;
277
278    is(join(":", @file),
279       "bar yada dada:bada bar bing:king kong bar",
280       "-i new file");
281    is(join(":", @bak),
282       "foo yada dada:bada foo bing:king kong foo",
283       "-i backup file");
284}
285