[p5sagit/p5-mst-13.2.git] / t / run / switches.t

#!./perl -w

# Tests for the command-line switches:
# -0, -c, -l, -s, -m, -M, -V, -v, -h, -z, -i, -E
# Some switches have their own tests, see MANIFEST.

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
}

require "./test.pl";

plan(tests => 31);

use Config;

# due to a bug in VMS's piping which makes it impossible for runperl()
# to emulate echo -n (ie. stdin always winds up with a newline), these 
# tests almost totally fail.
$TODO = "runperl() unable to emulate echo -n due to pipe bug" if $^O eq 'VMS';

my $r;
my @tmpfiles = ();
END { unlink @tmpfiles }

# Tests for -0

$r = runperl(
    switches	=> [ '-0', ],
    stdin	=> 'foo\0bar\0baz\0',
    prog	=> 'print qq(<$_>) while <>',
);
is( $r, "<foo\0><bar\0><baz\0>", "-0" );

$r = runperl(
    switches	=> [ '-l', '-0', '-p' ],
    stdin	=> 'foo\0bar\0baz\0',
    prog	=> '1',
);
is( $r, "foo\nbar\nbaz\n", "-0 after a -l" );

$r = runperl(
    switches	=> [ '-0', '-l', '-p' ],
    stdin	=> 'foo\0bar\0baz\0',
    prog	=> '1',
);
is( $r, "foo\0bar\0baz\0", "-0 before a -l" );

$r = runperl(
    switches	=> [ sprintf("-0%o", ord 'x') ],
    stdin	=> 'fooxbarxbazx',
    prog	=> 'print qq(<$_>) while <>',
);
is( $r, "<foox><barx><bazx>", "-0 with octal number" );

$r = runperl(
    switches	=> [ '-00', '-p' ],
    stdin	=> 'abc\ndef\n\nghi\njkl\nmno\n\npq\n',
    prog	=> 's/\n/-/g;$_.=q(/)',
);
is( $r, 'abc-def--/ghi-jkl-mno--/pq-/', '-00 (paragraph mode)' );

$r = runperl(
    switches	=> [ '-0777', '-p' ],
    stdin	=> 'abc\ndef\n\nghi\njkl\nmno\n\npq\n',
    prog	=> 's/\n/-/g;$_.=q(/)',
);
is( $r, 'abc-def--ghi-jkl-mno--pq-/', '-0777 (slurp mode)' );

$r = runperl(
    switches	=> [ '-066' ],
    prog	=> 'BEGIN { print qq{($/)} } print qq{[$/]}',
);
is( $r, "(\066)[\066]", '$/ set at compile-time' );

# Tests for -c

my $filename = 'swctest.tmp';
SKIP: {
    local $TODO = '';   # this one works on VMS

    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
    print $f <<'SWTEST';
BEGIN { print "block 1\n"; }
CHECK { print "block 2\n"; }
INIT  { print "block 3\n"; }
	print "block 4\n";
END   { print "block 5\n"; }
SWTEST
    close $f or die "Could not close: $!";
    $r = runperl(
	switches	=> [ '-c' ],
	progfile	=> $filename,
	stderr		=> 1,
    );
    # Because of the stderr redirection, we can't tell reliably the order
    # in which the output is given
    ok(
	$r =~ /$filename syntax OK/
	&& $r =~ /\bblock 1\b/
	&& $r =~ /\bblock 2\b/
	&& $r !~ /\bblock 3\b/
	&& $r !~ /\bblock 4\b/
	&& $r !~ /\bblock 5\b/,
	'-c'
    );
    push @tmpfiles, $filename;
}

# Tests for -l

$r = runperl(
    switches	=> [ sprintf("-l%o", ord 'x') ],
    prog	=> 'print for qw/foo bar/'
);
is( $r, 'fooxbarx', '-l with octal number' );

# Tests for -s

$r = runperl(
    switches	=> [ '-s' ],
    prog	=> 'for (qw/abc def ghi/) {print defined $$_ ? $$_ : q(-)}',
    args	=> [ '--', '-abc=2', '-def', ],
);
is( $r, '21-', '-s switch parsing' );

$filename = 'swstest.tmp';
SKIP: {
    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
    print $f <<'SWTEST';
#!perl -s
BEGIN { print $x,$y; exit }
SWTEST
    close $f or die "Could not close: $!";
    $r = runperl(
	progfile    => $filename,
	args	    => [ '-x=foo -y' ],
    );
    is( $r, 'foo1', '-s on the shebang line' );
    push @tmpfiles, $filename;
}

# Bug ID 20011106.084
$filename = 'swsntest.tmp';
SKIP: {
    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
    print $f <<'SWTEST';
#!perl -sn
BEGIN { print $x; exit }
SWTEST
    close $f or die "Could not close: $!";
    $r = runperl(
	progfile    => $filename,
	args	    => [ '-x=foo' ],
    );
    is( $r, 'foo', '-sn on the shebang line' );
    push @tmpfiles, $filename;
}

# Tests for -m and -M

$filename = 'swtest.pm';
SKIP: {
    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!",4 );
    print $f <<'SWTESTPM';
package swtest;
sub import { print map "<$_>", @_ }
1;
SWTESTPM
    close $f or die "Could not close: $!";
    $r = runperl(
	switches    => [ '-Mswtest' ],
	prog	    => '1',
    );
    is( $r, '<swtest>', '-M' );
    $r = runperl(
	switches    => [ '-Mswtest=foo' ],
	prog	    => '1',
    );
    is( $r, '<swtest><foo>', '-M with import parameter' );
    $r = runperl(
	switches    => [ '-mswtest' ],
	prog	    => '1',
    );

    {
        local $TODO = '';  # this one works on VMS
        is( $r, '', '-m' );
    }
    $r = runperl(
	switches    => [ '-mswtest=foo,bar' ],
	prog	    => '1',
    );
    is( $r, '<swtest><foo><bar>', '-m with import parameters' );
    push @tmpfiles, $filename;
}

# Tests for -V

{
    local $TODO = '';   # these ones should work on VMS

    # basic perl -V should generate significant output.
    # we don't test actual format too much since it could change
    like( runperl( switches => ['-V'] ), qr/(\n.*){20}/,
          '-V generates 20+ lines' );

    like( runperl( switches => ['-V'] ),
	  qr/\ASummary of my perl5 .*configuration:/,
          '-V looks okay' );

    # lookup a known config var
    chomp( $r=runperl( switches => ['-V:osname'] ) );
    is( $r, "osname='$^O';", 'perl -V:osname');

    # lookup a nonexistent var
    chomp( $r=runperl( switches => ['-V:this_var_makes_switches_test_fail'] ) );
    is( $r, "this_var_makes_switches_test_fail='UNKNOWN';",
        'perl -V:unknown var');

    # regexp lookup
    # platforms that don't like this quoting can either skip this test
    # or fix test.pl _quote_args
    $r = runperl( switches => ['"-V:i\D+size"'] );
    # should be unlike( $r, qr/^$|not found|UNKNOWN/ );
    like( $r, qr/^(?!.*(not found|UNKNOWN))./, 'perl -V:re got a result' );

    # make sure each line we got matches the re
    ok( !( grep !/^i\D+size=/, split /^/, $r ), '-V:re correct' );
}

# Tests for -v

{
    local $TODO = '';   # these ones should work on VMS

    my $v = sprintf "%vd", $^V;
    like( runperl( switches => ['-v'] ),
	  qr/This is perl, v$v (?:DEVEL\d+ )?built for \Q$Config{archname}\E.+Copyright.+Larry Wall.+Artistic License.+GNU General Public License/s,
          '-v looks okay' );

}

# Tests for -h

{
    local $TODO = '';   # these ones should work on VMS

    like( runperl( switches => ['-h'] ),
	  qr/Usage: .+(?i:perl(?:$Config{_exe})?).+switches.+programfile.+arguments/,
          '-h looks okay' );

}

# Tests for -z (which does not exist)

{
    local $TODO = '';   # these ones should work on VMS

    like( runperl( switches => ['-z'], stderr => 1 ),
	  qr/\QUnrecognized switch: -z  (-h will show valid options)./,
          '-z correctly unknown' );

}

# Tests for -i

{
    local $TODO = '';   # these ones should work on VMS

    sub do_i_unlink { 1 while unlink("file", "file.bak") }

    open(FILE, ">file") or die "$0: Failed to create 'file': $!";
    print FILE <<__EOF__;
foo yada dada
bada foo bing
king kong foo
__EOF__
    close FILE;

    END { do_i_unlink() }

    runperl( switches => ['-pi.bak'], prog => 's/foo/bar/', args => ['file'] );

    open(FILE, "file") or die "$0: Failed to open 'file': $!";
    chomp(my @file = <FILE>);
    close FILE;

    open(BAK, "file.bak") or die "$0: Failed to open 'file': $!";
    chomp(my @bak = <BAK>);
    close BAK;

    is(join(":", @file),
       "bar yada dada:bada bar bing:king kong bar",
       "-i new file");
    is(join(":", @bak),
       "foo yada dada:bada foo bing:king kong foo",
       "-i backup file");
}

# Tests for -E

$r = runperl(
    switches	=> [ '-E', '"say q(Hello, world!)"']
);
is( $r, "Hello, world!\n", "-E say" );


$r = runperl(
    switches	=> [ '-E', '"undef err say q(Hello, world!)"']
);
is( $r, "Hello, world!\n", "-E err" );

$r = runperl(
    switches	=> [ '-E', '"undef ~~ undef and say q(Hello, world!)"']
);
is( $r, "Hello, world!\n", "-E ~~" );

$r = runperl(
    switches	=> [ '-E', '"given(undef) {when(undef) { say q(Hello, world!)"}}']
);
is( $r, "Hello, world!\n", "-E given" );
Commit	Line	Data
8a73d5dd	1	#!./perl -w
8a73d5dd	2
feafb1eb	3	# Tests for the command-line switches:
bc9b29db	4	# -0, -c, -l, -s, -m, -M, -V, -v, -h, -z, -i, -E
48eaf804	5	# Some switches have their own tests, see MANIFEST.
8a73d5dd	6
	7	BEGIN {
	8	chdir 't' if -d 't';
	9	@INC = '../lib';
	10	}
	11
	12	require "./test.pl";
	13
59e235cb	14	plan(tests => 31);
8a73d5dd	15
a09a0aa2	16	use Config;
a09a0aa2	17
b734d6c9	18	# due to a bug in VMS's piping which makes it impossible for runperl()
e54d2dfa	19	# to emulate echo -n (ie. stdin always winds up with a newline), these
e54d2dfa	20	# tests almost totally fail.
b734d6c9	21	$TODO = "runperl() unable to emulate echo -n due to pipe bug" if $^O eq 'VMS';
b734d6c9	22
8a73d5dd	23	my $r;
	24	my @tmpfiles = ();
	25	END { 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	);
	34	is( $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	);
	41	is( $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	);
	48	is( $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	);
	55	is( $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	);
	62	is( $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	);
	69	is( $r, 'abc-def--ghi-jkl-mno--pq-/', '-0777 (slurp mode)' );
	70
7f9e821f	71	$r = runperl(
7f9e821f	72	switches => [ '-066' ],
0fbedf1d	73	prog => 'BEGIN { print qq{($/)} } print qq{[$/]}',
7f9e821f	74	);
	75	is( $r, "(\066)[\066]", '$/ set at compile-time' );
	76
8a73d5dd	77	# Tests for -c
	78
	79	my $filename = 'swctest.tmp';
	80	SKIP: {
b734d6c9	81	local $TODO = ''; # this one works on VMS
b734d6c9	82
8a73d5dd	83	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
	84	print $f <<'SWTEST';
	85	BEGIN { print "block 1\n"; }
	86	CHECK { print "block 2\n"; }
	87	INIT { print "block 3\n"; }
	88	print "block 4\n";
	89	END { print "block 5\n"; }
	90	SWTEST
d1e4d418	91	close $f or die "Could not close: $!";
8a73d5dd	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	);
	117	is( $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	);
	126	is( $r, '21-', '-s switch parsing' );
	127
8a73d5dd	128	$filename = 'swstest.tmp';
	129	SKIP: {
	130	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
	131	print $f <<'SWTEST';
59e235cb	132	#!perl -s
	133	BEGIN { print $x,$y; exit }
	134	SWTEST
	135	close $f or die "Could not close: $!";
	136	$r = runperl(
	137	progfile => $filename,
	138	args => [ '-x=foo -y' ],
	139	);
	140	is( $r, 'foo1', '-s on the shebang line' );
	141	push @tmpfiles, $filename;
	142	}
	143
	144	# Bug ID 20011106.084
	145	$filename = 'swsntest.tmp';
	146	SKIP: {
	147	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
	148	print $f <<'SWTEST';
f0b2cf55	149	#!perl -sn
f0b2cf55	150	BEGIN { print $x; exit }
8a73d5dd	151	SWTEST
d1e4d418	152	close $f or die "Could not close: $!";
8a73d5dd	153	$r = runperl(
8a73d5dd	154	progfile => $filename,
	155	args => [ '-x=foo' ],
	156	);
59e235cb	157	is( $r, 'foo', '-sn on the shebang line' );
8a73d5dd	158	push @tmpfiles, $filename;
	159	}
	160
	161	# Tests for -m and -M
	162
	163	$filename = 'swtest.pm';
	164	SKIP: {
	165	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!",4 );
	166	print $f <<'SWTESTPM';
	167	package swtest;
	168	sub import { print map "<$_>", @_ }
	169	1;
	170	SWTESTPM
d1e4d418	171	close $f or die "Could not close: $!";
8a73d5dd	172	$r = runperl(
	173	switches => [ '-Mswtest' ],
	174	prog => '1',
	175	);
	176	is( $r, '<swtest>', '-M' );
	177	$r = runperl(
	178	switches => [ '-Mswtest=foo' ],
	179	prog => '1',
	180	);
	181	is( $r, '<swtest><foo>', '-M with import parameter' );
	182	$r = runperl(
	183	switches => [ '-mswtest' ],
	184	prog => '1',
	185	);
b734d6c9	186
	187	{
	188	local $TODO = ''; # this one works on VMS
	189	is( $r, '', '-m' );
	190	}
8a73d5dd	191	$r = runperl(
	192	switches => [ '-mswtest=foo,bar' ],
	193	prog => '1',
	194	);
	195	is( $r, '<swtest><foo><bar>', '-m with import parameters' );
	196	push @tmpfiles, $filename;
	197	}
e54d2dfa	198
	199	# Tests for -V
	200
	201	{
	202	local $TODO = ''; # these ones should work on VMS
	203
	204	# basic perl -V should generate significant output.
ceda46a1	205	# we don't test actual format too much since it could change
e54d2dfa	206	like( runperl( switches => ['-V'] ), qr/(\n.*){20}/,
	207	'-V generates 20+ lines' );
	208
ceda46a1	209	like( runperl( switches => ['-V'] ),
	210	qr/\ASummary of my perl5 .*configuration:/,
	211	'-V looks okay' );
	212
e54d2dfa	213	# lookup a known config var
	214	chomp( $r=runperl( switches => ['-V:osname'] ) );
	215	is( $r, "osname='$^O';", 'perl -V:osname');
	216
	217	# lookup a nonexistent var
	218	chomp( $r=runperl( switches => ['-V:this_var_makes_switches_test_fail'] ) );
	219	is( $r, "this_var_makes_switches_test_fail='UNKNOWN';",
	220	'perl -V:unknown var');
	221
	222	# regexp lookup
	223	# platforms that don't like this quoting can either skip this test
	224	# or fix test.pl _quote_args
	225	$r = runperl( switches => ['"-V:i\D+size"'] );
	226	# should be unlike( $r, qr/^$\|not found\|UNKNOWN/ );
	227	like( $r, qr/^(?!.*(not found\|UNKNOWN))./, 'perl -V:re got a result' );
	228
	229	# make sure each line we got matches the re
	230	ok( !( grep !/^i\D+size=/, split /^/, $r ), '-V:re correct' );
	231	}
ceda46a1	232
	233	# Tests for -v
	234
	235	{
	236	local $TODO = ''; # these ones should work on VMS
	237
ceda46a1	238	my $v = sprintf "%vd", $^V;
ceda46a1	239	like( runperl( switches => ['-v'] ),
7850f74c	240	qr/This is perl, v$v (?:DEVEL\d+ )?built for \Q$Config{archname}\E.+Copyright.+Larry Wall.+Artistic License.+GNU General Public License/s,
ceda46a1	241	'-v looks okay' );
	242
	243	}
b8e3af44	244
	245	# Tests for -h
	246
	247	{
	248	local $TODO = ''; # these ones should work on VMS
	249
	250	like( runperl( switches => ['-h'] ),
a09a0aa2	251	qr/Usage: .+(?i:perl(?:$Config{_exe})?).+switches.+programfile.+arguments/,
b8e3af44	252	'-h looks okay' );
	253
	254	}
	255
	256	# Tests for -z (which does not exist)
	257
	258	{
	259	local $TODO = ''; # these ones should work on VMS
	260
	261	like( runperl( switches => ['-z'], stderr => 1 ),
	262	qr/\QUnrecognized switch: -z (-h will show valid options)./,
	263	'-z correctly unknown' );
	264
	265	}
feafb1eb	266
	267	# Tests for -i
	268
	269	{
	270	local $TODO = ''; # these ones should work on VMS
	271
	272	sub do_i_unlink { 1 while unlink("file", "file.bak") }
	273
	274	open(FILE, ">file") or die "$0: Failed to create 'file': $!";
	275	print FILE <<__EOF__;
	276	foo yada dada
	277	bada foo bing
	278	king kong foo
	279	__EOF__
	280	close FILE;
	281
	282	END { do_i_unlink() }
	283
	284	runperl( switches => ['-pi.bak'], prog => 's/foo/bar/', args => ['file'] );
	285
	286	open(FILE, "file") or die "$0: Failed to open 'file': $!";
	287	chomp(my @file = <FILE>);
	288	close FILE;
	289
	290	open(BAK, "file.bak") or die "$0: Failed to open 'file': $!";
	291	chomp(my @bak = <BAK>);
	292	close BAK;
	293
	294	is(join(":", @file),
	295	"bar yada dada:bada bar bing:king kong bar",
	296	"-i new file");
	297	is(join(":", @bak),
	298	"foo yada dada:bada foo bing:king kong foo",
	299	"-i backup file");
	300	}
bc9b29db	301
	302	# Tests for -E
	303
	304	$r = runperl(
	305	switches => [ '-E', '"say q(Hello, world!)"']
	306	);
	307	is( $r, "Hello, world!\n", "-E say" );
	308
	309
	310	$r = runperl(
	311	switches => [ '-E', '"undef err say q(Hello, world!)"']
	312	);
	313	is( $r, "Hello, world!\n", "-E err" );
	314
	315	$r = runperl(
	316	switches => [ '-E', '"undef ~~ undef and say q(Hello, world!)"']
	317	);
	318	is( $r, "Hello, world!\n", "-E ~~" );
	319
	320	$r = runperl(
	321	switches => [ '-E', '"given(undef) {when(undef) { say q(Hello, world!)"}}']
	322	);
	323	is( $r, "Hello, world!\n", "-E given" );