xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/lib/sigtrap.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}
7*0Sstevel@tonic-gate
8*0Sstevel@tonic-gateuse strict;
9*0Sstevel@tonic-gateuse Config;
10*0Sstevel@tonic-gate
11*0Sstevel@tonic-gateuse Test::More tests => 15;
12*0Sstevel@tonic-gate
13*0Sstevel@tonic-gateuse_ok( 'sigtrap' );
14*0Sstevel@tonic-gate
15*0Sstevel@tonic-gatepackage main;
16*0Sstevel@tonic-gatelocal %SIG;
17*0Sstevel@tonic-gate
18*0Sstevel@tonic-gate# use a version of sigtrap.pm somewhat too high
19*0Sstevel@tonic-gateeval{ sigtrap->import(99999) };
20*0Sstevel@tonic-gatelike( $@, qr/version 99999 required,/, 'import excessive version number' );
21*0Sstevel@tonic-gate
22*0Sstevel@tonic-gate# use an invalid signal name
23*0Sstevel@tonic-gateeval{ sigtrap->import('abadsignal') };
24*0Sstevel@tonic-gatelike( $@, qr/^Unrecognized argument abadsignal/, 'send bad signame to import' );
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gateeval{ sigtrap->import('handler') };
27*0Sstevel@tonic-gatelike( $@, qr/^No argument specified/, 'send handler without subref' );
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gatesigtrap->import('AFAKE');
30*0Sstevel@tonic-gateis( $SIG{AFAKE}, \&sigtrap::handler_traceback, 'install normal handler' );
31*0Sstevel@tonic-gate
32*0Sstevel@tonic-gatesigtrap->import('die', 'AFAKE', 'stack-trace', 'FAKE2');
33*0Sstevel@tonic-gateis( $SIG{AFAKE}, \&sigtrap::handler_die, 'install the die handler' );
34*0Sstevel@tonic-gateis( $SIG{FAKE2}, \&sigtrap::handler_traceback, 'install traceback handler' );
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gatemy @normal = qw( HUP INT PIPE TERM );
37*0Sstevel@tonic-gate@SIG{@normal} = 1 x @normal;
38*0Sstevel@tonic-gatesigtrap->import('normal-signals');
39*0Sstevel@tonic-gateis( (grep { ref $_ } @SIG{@normal}), @normal, 'check normal-signals set' );
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gatemy @error = qw( ABRT BUS EMT FPE ILL QUIT SEGV SYS TRAP );
42*0Sstevel@tonic-gate@SIG{@error} = 1 x @error;
43*0Sstevel@tonic-gatesigtrap->import('error-signals');
44*0Sstevel@tonic-gateis( (grep { ref $_ } @SIG{@error}), @error, 'check error-signals set' );
45*0Sstevel@tonic-gate
46*0Sstevel@tonic-gatemy @old = qw( ABRT BUS EMT FPE ILL PIPE QUIT SEGV SYS TERM TRAP );
47*0Sstevel@tonic-gate@SIG{@old} = 1 x @old;
48*0Sstevel@tonic-gatesigtrap->import('old-interface-signals');
49*0Sstevel@tonic-gateis( (grep { ref $_ } @SIG{@old}), @old, 'check old-interface-signals set' );
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gatemy $handler = sub {};
52*0Sstevel@tonic-gatesigtrap->import(handler => $handler, 'FAKE3');
53*0Sstevel@tonic-gateis( $SIG{FAKE3}, $handler, 'install custom handler' );
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate$SIG{FAKE} = 'IGNORE';
56*0Sstevel@tonic-gatesigtrap->import('untrapped', 'FAKE');
57*0Sstevel@tonic-gateis( $SIG{FAKE}, 'IGNORE', 'respect existing handler set to IGNORE' );
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gatemy $out = tie *STDOUT, 'TieOut';
60*0Sstevel@tonic-gate$SIG{FAKE} = 'DEFAULT';
61*0Sstevel@tonic-gate$sigtrap::Verbose = 1;
62*0Sstevel@tonic-gatesigtrap->import('any', 'FAKE');
63*0Sstevel@tonic-gateis( $SIG{FAKE}, \&sigtrap::handler_traceback, 'should set default handler' );
64*0Sstevel@tonic-gatelike( $out->read, qr/^Installing handler/, 'does it talk with $Verbose set?' );
65*0Sstevel@tonic-gate
66*0Sstevel@tonic-gate# handler_die croaks with first argument
67*0Sstevel@tonic-gateeval { sigtrap::handler_die('FAKE') };
68*0Sstevel@tonic-gatelike( $@, qr/^Caught a SIGFAKE/, 'does handler_die() croak?' );
69*0Sstevel@tonic-gate
70*0Sstevel@tonic-gatepackage TieOut;
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gatesub TIEHANDLE {
73*0Sstevel@tonic-gate	bless(\(my $scalar), $_[0]);
74*0Sstevel@tonic-gate}
75*0Sstevel@tonic-gate
76*0Sstevel@tonic-gatesub PRINT {
77*0Sstevel@tonic-gate	my $self = shift;
78*0Sstevel@tonic-gate	$$self .= join '', @_;
79*0Sstevel@tonic-gate}
80*0Sstevel@tonic-gate
81*0Sstevel@tonic-gatesub WRITE {
82*0Sstevel@tonic-gate	my ($self, $msg, $length) = @_;
83*0Sstevel@tonic-gate	$$self .= $msg;
84*0Sstevel@tonic-gate}
85*0Sstevel@tonic-gate
86*0Sstevel@tonic-gatesub read {
87*0Sstevel@tonic-gate	my $self = shift;
88*0Sstevel@tonic-gate	substr($$self, 0, length($$self), '');
89*0Sstevel@tonic-gate}
90