[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, -i, -E and all unknown
# Some switches have their own tests, see MANIFEST.

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

BEGIN { require "./test.pl"; }

plan(tests => 70);

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 = tempfile();
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'
    );
}

# 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 = tempfile();
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' );
}

# Bug ID 20011106.084
$filename = tempfile();
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' );
}

# Tests for -m and -M

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

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

    is( runperl( switches => [ '-MTie::Hash' ], stderr => 1, prog => 1 ),
	  '', "-MFoo::Bar allowed" );

    like( runperl( switches => [ "-M:$package" ], stderr => 1,
		   prog => 'die "oops"' ),
	  qr/Invalid module name [\w:]+ with -M option\b/,
          "-M:Foo not allowed" );

    like( runperl( switches => [ '-mA:B:C' ], stderr => 1,
		   prog => 'die "oops"' ),
	  qr/Invalid module name [\w:]+ with -m option\b/,
          "-mFoo:Bar not allowed" );

    like( runperl( switches => [ '-m-A:B:C' ], stderr => 1,
		   prog => 'die "oops"' ),
	  qr/Invalid module name [\w:]+ with -m option\b/,
          "-m-Foo:Bar not allowed" );

    like( runperl( switches => [ '-m-' ], stderr => 1,
		   prog => 'die "oops"' ),
	  qr/Module name required with -m option\b/,
  	  "-m- not allowed" );

    like( runperl( switches => [ '-M-=' ], stderr => 1,
		   prog => 'die "oops"' ),
	  qr/Module name required with -M option\b/,
  	  "-M- not allowed" );
}

# 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
    # there are definitely known build configs where this test will fail
    # DG/UX comes to mind. Maybe we should remove these special cases?
    my $v = sprintf "%vd", $^V;
    like( runperl( switches => ['-v'] ),
	  qr/This is perl, v$v(?:[-\w]+| \([^)]+\))? 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 switches which do not exist

foreach my $switch (split //, "ABbGgHJjKkLNOoPQqRrYyZz123456789_")
{
    local $TODO = '';   # these ones should work on VMS

    like( runperl( switches => ["-$switch"], stderr => 1,
		   prog => 'die "oops"' ),
	  qr/\QUnrecognized switch: -$switch  (-h will show valid options)./,
          "-$switch 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 ~~ 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" );

$r = runperl(
    switches    => [ '-nE', q("} END { say q/affe/") ],
    stdin       => 'zomtek',
);
is( $r, "affe\n", '-E works outside of the block created by -n' );

# RT #30660

$filename = tempfile();
SKIP: {
    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
    print $f <<'SWTEST';
#!perl -w    -iok
print "$^I\n";
SWTEST
    close $f or die "Could not close: $!";
    $r = runperl(
	progfile    => $filename,
    );
    like( $r, qr/ok/, 'Spaces on the #! line (#30660)' );
}
Commit	Line	Data
8a73d5dd	1	#!./perl -w
8a73d5dd	2
feafb1eb	3	# Tests for the command-line switches:
fed0ca7f	4	# -0, -c, -l, -s, -m, -M, -V, -v, -h, -i, -E and all unknown
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
768fd157	12	BEGIN { require "./test.pl"; }
8a73d5dd	13
d3133c89	14	plan(tests => 70);
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
8a73d5dd	78
2d90ac95	79	my $filename = tempfile();
8a73d5dd	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	);
8a73d5dd	108	}
	109
	110	# Tests for -l
	111
	112	$r = runperl(
	113	switches => [ sprintf("-l%o", ord 'x') ],
	114	prog => 'print for qw/foo bar/'
	115	);
	116	is( $r, 'fooxbarx', '-l with octal number' );
	117
	118	# Tests for -s
	119
	120	$r = runperl(
	121	switches => [ '-s' ],
	122	prog => 'for (qw/abc def ghi/) {print defined $$_ ? $$_ : q(-)}',
	123	args => [ '--', '-abc=2', '-def', ],
	124	);
	125	is( $r, '21-', '-s switch parsing' );
	126
2d90ac95	127	$filename = tempfile();
8a73d5dd	128	SKIP: {
	129	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
	130	print $f <<'SWTEST';
59e235cb	131	#!perl -s
	132	BEGIN { print $x,$y; exit }
	133	SWTEST
	134	close $f or die "Could not close: $!";
	135	$r = runperl(
	136	progfile => $filename,
	137	args => [ '-x=foo -y' ],
	138	);
	139	is( $r, 'foo1', '-s on the shebang line' );
59e235cb	140	}
	141
	142	# Bug ID 20011106.084
2d90ac95	143	$filename = tempfile();
59e235cb	144	SKIP: {
	145	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
	146	print $f <<'SWTEST';
f0b2cf55	147	#!perl -sn
f0b2cf55	148	BEGIN { print $x; exit }
8a73d5dd	149	SWTEST
d1e4d418	150	close $f or die "Could not close: $!";
8a73d5dd	151	$r = runperl(
8a73d5dd	152	progfile => $filename,
	153	args => [ '-x=foo' ],
	154	);
59e235cb	155	is( $r, 'foo', '-sn on the shebang line' );
8a73d5dd	156	}
	157
	158	# Tests for -m and -M
	159
2d90ac95	160	my $package = tempfile();
2d90ac95	161	$filename = "$package.pm";
8a73d5dd	162	SKIP: {
8a73d5dd	163	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!",4 );
2d90ac95	164	print $f <<"SWTESTPM";
	165	package $package;
	166	sub import { print map "<\$_>", \@_ }
8a73d5dd	167	1;
8a73d5dd	168	SWTESTPM
d1e4d418	169	close $f or die "Could not close: $!";
8a73d5dd	170	$r = runperl(
2d90ac95	171	switches => [ "-M$package" ],
8a73d5dd	172	prog => '1',
8a73d5dd	173	);
2d90ac95	174	is( $r, "<$package>", '-M' );
8a73d5dd	175	$r = runperl(
2d90ac95	176	switches => [ "-M$package=foo" ],
8a73d5dd	177	prog => '1',
8a73d5dd	178	);
2d90ac95	179	is( $r, "<$package><foo>", '-M with import parameter' );
8a73d5dd	180	$r = runperl(
2d90ac95	181	switches => [ "-m$package" ],
8a73d5dd	182	prog => '1',
8a73d5dd	183	);
b734d6c9	184
	185	{
	186	local $TODO = ''; # this one works on VMS
	187	is( $r, '', '-m' );
	188	}
8a73d5dd	189	$r = runperl(
2d90ac95	190	switches => [ "-m$package=foo,bar" ],
8a73d5dd	191	prog => '1',
8a73d5dd	192	);
2d90ac95	193	is( $r, "<$package><foo><bar>", '-m with import parameters' );
8a73d5dd	194	push @tmpfiles, $filename;
0544e6df	195
	196	is( runperl( switches => [ '-MTie::Hash' ], stderr => 1, prog => 1 ),
	197	'', "-MFoo::Bar allowed" );
	198
2d90ac95	199	like( runperl( switches => [ "-M:$package" ], stderr => 1,
0544e6df	200	prog => 'die "oops"' ),
	201	qr/Invalid module name [\w:]+ with -M option\b/,
	202	"-M:Foo not allowed" );
	203
	204	like( runperl( switches => [ '-mA:B:C' ], stderr => 1,
	205	prog => 'die "oops"' ),
	206	qr/Invalid module name [\w:]+ with -m option\b/,
	207	"-mFoo:Bar not allowed" );
	208
	209	like( runperl( switches => [ '-m-A:B:C' ], stderr => 1,
	210	prog => 'die "oops"' ),
	211	qr/Invalid module name [\w:]+ with -m option\b/,
	212	"-m-Foo:Bar not allowed" );
	213
	214	like( runperl( switches => [ '-m-' ], stderr => 1,
	215	prog => 'die "oops"' ),
	216	qr/Module name required with -m option\b/,
	217	"-m- not allowed" );
	218
	219	like( runperl( switches => [ '-M-=' ], stderr => 1,
	220	prog => 'die "oops"' ),
	221	qr/Module name required with -M option\b/,
	222	"-M- not allowed" );
8a73d5dd	223	}
e54d2dfa	224
	225	# Tests for -V
	226
	227	{
	228	local $TODO = ''; # these ones should work on VMS
	229
	230	# basic perl -V should generate significant output.
ceda46a1	231	# we don't test actual format too much since it could change
e54d2dfa	232	like( runperl( switches => ['-V'] ), qr/(\n.*){20}/,
	233	'-V generates 20+ lines' );
	234
ceda46a1	235	like( runperl( switches => ['-V'] ),
	236	qr/\ASummary of my perl5 .*configuration:/,
	237	'-V looks okay' );
	238
e54d2dfa	239	# lookup a known config var
	240	chomp( $r=runperl( switches => ['-V:osname'] ) );
	241	is( $r, "osname='$^O';", 'perl -V:osname');
	242
	243	# lookup a nonexistent var
	244	chomp( $r=runperl( switches => ['-V:this_var_makes_switches_test_fail'] ) );
	245	is( $r, "this_var_makes_switches_test_fail='UNKNOWN';",
	246	'perl -V:unknown var');
	247
	248	# regexp lookup
	249	# platforms that don't like this quoting can either skip this test
	250	# or fix test.pl _quote_args
	251	$r = runperl( switches => ['"-V:i\D+size"'] );
	252	# should be unlike( $r, qr/^$\|not found\|UNKNOWN/ );
	253	like( $r, qr/^(?!.*(not found\|UNKNOWN))./, 'perl -V:re got a result' );
	254
	255	# make sure each line we got matches the re
	256	ok( !( grep !/^i\D+size=/, split /^/, $r ), '-V:re correct' );
	257	}
ceda46a1	258
	259	# Tests for -v
	260
	261	{
	262	local $TODO = ''; # these ones should work on VMS
46807d8e	263	# there are definitely known build configs where this test will fail
46807d8e	264	# DG/UX comes to mind. Maybe we should remove these special cases?
ceda46a1	265	my $v = sprintf "%vd", $^V;
ceda46a1	266	like( runperl( switches => ['-v'] ),
46807d8e	267	qr/This is perl, v$v(?:[-\w]+\| \([^)]+\))? built for \Q$Config{archname}\E.+Copyright.+Larry Wall.+Artistic License.+GNU General Public License/s,
ceda46a1	268	'-v looks okay' );
	269
	270	}
b8e3af44	271
	272	# Tests for -h
	273
	274	{
	275	local $TODO = ''; # these ones should work on VMS
	276
	277	like( runperl( switches => ['-h'] ),
a09a0aa2	278	qr/Usage: .+(?i:perl(?:$Config{_exe})?).+switches.+programfile.+arguments/,
b8e3af44	279	'-h looks okay' );
	280
	281	}
	282
fed0ca7f	283	# Tests for switches which do not exist
b8e3af44	284
96889982	285	foreach my $switch (split //, "ABbGgHJjKkLNOoPQqRrYyZz123456789_")
b8e3af44	286	{
	287	local $TODO = ''; # these ones should work on VMS
	288
fed0ca7f	289	like( runperl( switches => ["-$switch"], stderr => 1,
	290	prog => 'die "oops"' ),
	291	qr/\QUnrecognized switch: -$switch (-h will show valid options)./,
	292	"-$switch correctly unknown" );
b8e3af44	293
b8e3af44	294	}
feafb1eb	295
	296	# Tests for -i
	297
	298	{
	299	local $TODO = ''; # these ones should work on VMS
	300
	301	sub do_i_unlink { 1 while unlink("file", "file.bak") }
	302
	303	open(FILE, ">file") or die "$0: Failed to create 'file': $!";
	304	print FILE <<__EOF__;
	305	foo yada dada
	306	bada foo bing
	307	king kong foo
	308	__EOF__
	309	close FILE;
	310
	311	END { do_i_unlink() }
	312
	313	runperl( switches => ['-pi.bak'], prog => 's/foo/bar/', args => ['file'] );
	314
	315	open(FILE, "file") or die "$0: Failed to open 'file': $!";
	316	chomp(my @file = <FILE>);
	317	close FILE;
	318
	319	open(BAK, "file.bak") or die "$0: Failed to open 'file': $!";
	320	chomp(my @bak = <BAK>);
	321	close BAK;
	322
	323	is(join(":", @file),
	324	"bar yada dada:bada bar bing:king kong bar",
	325	"-i new file");
	326	is(join(":", @bak),
	327	"foo yada dada:bada foo bing:king kong foo",
	328	"-i backup file");
	329	}
bc9b29db	330
	331	# Tests for -E
	332
	333	$r = runperl(
	334	switches => [ '-E', '"say q(Hello, world!)"']
	335	);
	336	is( $r, "Hello, world!\n", "-E say" );
	337
	338
	339	$r = runperl(
bc9b29db	340	switches => [ '-E', '"undef ~~ undef and say q(Hello, world!)"']
	341	);
	342	is( $r, "Hello, world!\n", "-E ~~" );
	343
	344	$r = runperl(
	345	switches => [ '-E', '"given(undef) {when(undef) { say q(Hello, world!)"}}']
	346	);
	347	is( $r, "Hello, world!\n", "-E given" );
9f639728	348
9f639728	349	$r = runperl(
f21873d1	350	switches => [ '-nE', q("} END { say q/affe/") ],
9f639728	351	stdin => 'zomtek',
	352	);
	353	is( $r, "affe\n", '-E works outside of the block created by -n' );
d3133c89	354
	355	# RT #30660
	356
	357	$filename = tempfile();
	358	SKIP: {
	359	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
	360	print $f <<'SWTEST';
	361	#!perl -w -iok
	362	print "$^I\n";
	363	SWTEST
	364	close $f or die "Could not close: $!";
	365	$r = runperl(
	366	progfile => $filename,
	367	);
	368	like( $r, qr/ok/, 'Spaces on the #! line (#30660)' );
	369	}