xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/t/op/exec.t (revision 0:68f95e015346)
1*0Sstevel@tonic-gate#!./perl
2*0Sstevel@tonic-gate
3*0Sstevel@tonic-gateBEGIN: {
4*0Sstevel@tonic-gate    chdir 't' if -d 't';
5*0Sstevel@tonic-gate    @INC = ('../lib');
6*0Sstevel@tonic-gate    require './test.pl';
7*0Sstevel@tonic-gate}
8*0Sstevel@tonic-gate
9*0Sstevel@tonic-gate# supress VMS whinging about bad execs.
10*0Sstevel@tonic-gateuse vmsish qw(hushed);
11*0Sstevel@tonic-gate
12*0Sstevel@tonic-gate$| = 1;				# flush stdout
13*0Sstevel@tonic-gate
14*0Sstevel@tonic-gate$ENV{LC_ALL}   = 'C';		# Forge English error messages.
15*0Sstevel@tonic-gate$ENV{LANGUAGE} = 'C';		# Ditto in GNU.
16*0Sstevel@tonic-gate
17*0Sstevel@tonic-gatemy $Is_VMS   = $^O eq 'VMS';
18*0Sstevel@tonic-gatemy $Is_Win32 = $^O eq 'MSWin32';
19*0Sstevel@tonic-gate
20*0Sstevel@tonic-gateskip_all("Tests mostly usesless on MacOS") if $^O eq 'MacOS';
21*0Sstevel@tonic-gate
22*0Sstevel@tonic-gateplan(tests => 21);
23*0Sstevel@tonic-gate
24*0Sstevel@tonic-gatemy $Perl = which_perl();
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gatemy $exit;
27*0Sstevel@tonic-gateSKIP: {
28*0Sstevel@tonic-gate    skip("bug/feature of pdksh", 2) if $^O eq 'os2';
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate    my $tnum = curr_test();
31*0Sstevel@tonic-gate    $exit = system qq{$Perl -le "print q{ok $tnum - interp system(EXPR)"}};
32*0Sstevel@tonic-gate    next_test();
33*0Sstevel@tonic-gate    is( $exit, 0, '  exited 0' );
34*0Sstevel@tonic-gate}
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gatemy $tnum = curr_test();
37*0Sstevel@tonic-gate$exit = system qq{$Perl -le "print q{ok $tnum - split & direct system(EXPR)"}};
38*0Sstevel@tonic-gatenext_test();
39*0Sstevel@tonic-gateis( $exit, 0, '  exited 0' );
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate# On VMS and Win32 you need the quotes around the program or it won't work.
42*0Sstevel@tonic-gate# On Unix its the opposite.
43*0Sstevel@tonic-gatemy $quote = $Is_VMS || $Is_Win32 ? '"' : '';
44*0Sstevel@tonic-gate$tnum = curr_test();
45*0Sstevel@tonic-gate$exit = system $Perl, '-le',
46*0Sstevel@tonic-gate               "${quote}print q{ok $tnum - system(PROG, LIST)}${quote}";
47*0Sstevel@tonic-gatenext_test();
48*0Sstevel@tonic-gateis( $exit, 0, '  exited 0' );
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gate# Some basic piped commands.  Some OS's have trouble with "helpfully"
52*0Sstevel@tonic-gate# putting newlines on the end of piped output.  So we split this into
53*0Sstevel@tonic-gate# newline insensitive and newline sensitive tests.
54*0Sstevel@tonic-gatemy $echo_out = `$Perl -e "print 'ok'" | $Perl -le "print <STDIN>"`;
55*0Sstevel@tonic-gate$echo_out =~ s/\n\n/\n/g;
56*0Sstevel@tonic-gateis( $echo_out, "ok\n", 'piped echo emulation');
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate{
59*0Sstevel@tonic-gate    # here we check if extra newlines are going to be slapped on
60*0Sstevel@tonic-gate    # piped output.
61*0Sstevel@tonic-gate    local $TODO = 'VMS sticks newlines on everything' if $Is_VMS;
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate    is( scalar `$Perl -e "print 'ok'"`,
64*0Sstevel@tonic-gate        "ok", 'no extra newlines on ``' );
65*0Sstevel@tonic-gate
66*0Sstevel@tonic-gate    is( scalar `$Perl -e "print 'ok'" | $Perl -e "print <STDIN>"`,
67*0Sstevel@tonic-gate        "ok", 'no extra newlines on pipes');
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate    is( scalar `$Perl -le "print 'ok'" | $Perl -le "print <STDIN>"`,
70*0Sstevel@tonic-gate        "ok\n\n", 'doubled up newlines');
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate    is( scalar `$Perl -e "print 'ok'" | $Perl -le "print <STDIN>"`,
73*0Sstevel@tonic-gate        "ok\n", 'extra newlines on inside pipes');
74*0Sstevel@tonic-gate
75*0Sstevel@tonic-gate    is( scalar `$Perl -le "print 'ok'" | $Perl -e "print <STDIN>"`,
76*0Sstevel@tonic-gate        "ok\n", 'extra newlines on outgoing pipes');
77*0Sstevel@tonic-gate
78*0Sstevel@tonic-gate    {
79*0Sstevel@tonic-gate	local($/) = \2;
80*0Sstevel@tonic-gate	$out = runperl(prog => 'print q{1234}');
81*0Sstevel@tonic-gate	is($out, "1234", 'ignore $/ when capturing output in scalar context');
82*0Sstevel@tonic-gate    }
83*0Sstevel@tonic-gate}
84*0Sstevel@tonic-gate
85*0Sstevel@tonic-gate
86*0Sstevel@tonic-gateis( system(qq{$Perl -e "exit 0"}), 0,     'Explicit exit of 0' );
87*0Sstevel@tonic-gate
88*0Sstevel@tonic-gatemy $exit_one = $Is_VMS ? 4 << 8 : 1 << 8;
89*0Sstevel@tonic-gateis( system(qq{$Perl "-I../lib" -e "use vmsish qw(hushed); exit 1"}), $exit_one,
90*0Sstevel@tonic-gate    'Explicit exit of 1' );
91*0Sstevel@tonic-gate
92*0Sstevel@tonic-gate$rc = system { "lskdfj" } "lskdfj";
93*0Sstevel@tonic-gateunless( ok($rc == 255 << 8 or $rc == -1 or $rc == 256 or $rc == 512) ) {
94*0Sstevel@tonic-gate    print "# \$rc == $rc\n";
95*0Sstevel@tonic-gate}
96*0Sstevel@tonic-gate
97*0Sstevel@tonic-gateunless ( ok( $! == 2  or  $! =~ /\bno\b.*\bfile/i or
98*0Sstevel@tonic-gate             $! == 13 or  $! =~ /permission denied/i or
99*0Sstevel@tonic-gate             $! == 22 or  $! =~ /invalid argument/           ) ) {
100*0Sstevel@tonic-gate    printf "# \$! eq %d, '%s'\n", $!, $!;
101*0Sstevel@tonic-gate}
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate
104*0Sstevel@tonic-gateis( `$Perl -le "print 'ok'"`,   "ok\n",     'basic ``' );
105*0Sstevel@tonic-gateis( <<`END`,                    "ok\n",     '<<`HEREDOC`' );
106*0Sstevel@tonic-gate$Perl -le "print 'ok'"
107*0Sstevel@tonic-gateEND
108*0Sstevel@tonic-gate
109*0Sstevel@tonic-gate
110*0Sstevel@tonic-gateTODO: {
111*0Sstevel@tonic-gate    my $tnum = curr_test();
112*0Sstevel@tonic-gate    if( $^O =~ /Win32/ ) {
113*0Sstevel@tonic-gate        print "not ok $tnum - exec failure doesn't terminate process " .
114*0Sstevel@tonic-gate              "# TODO Win32 exec failure waits for user input\n";
115*0Sstevel@tonic-gate        next_test();
116*0Sstevel@tonic-gate        last TODO;
117*0Sstevel@tonic-gate    }
118*0Sstevel@tonic-gate
119*0Sstevel@tonic-gate    ok( !exec("lskdjfalksdjfdjfkls"),
120*0Sstevel@tonic-gate        "exec failure doesn't terminate process");
121*0Sstevel@tonic-gate}
122*0Sstevel@tonic-gate
123*0Sstevel@tonic-gatemy $test = curr_test();
124*0Sstevel@tonic-gateexec $Perl, '-le', qq{${quote}print 'ok $test - exec PROG, LIST'${quote}};
125*0Sstevel@tonic-gatefail("This should never be reached if the exec() worked");
126