Commit | Line | Data |
d1b75174 |
1 | #!./perl |
2 | |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
5 | @INC = '../lib'; |
6 | } |
7 | |
8 | use strict; |
9 | use Config; |
10 | |
11 | my $can_catch_kill = 0; |
12 | |
13 | use Test::More tests => 18; |
14 | |
15 | use_ok( 'sigtrap' ); |
16 | |
17 | package main; |
18 | local %SIG; |
19 | |
20 | # use a version of sigtrap.pm somewhat too high |
21 | eval{ sigtrap->import(99999) }; |
22 | like( $@, qr/version 99999 required,/, 'import excessive version number' ); |
23 | |
24 | # use an invalid signal name |
25 | eval{ sigtrap->import('abadsignal') }; |
26 | like( $@, qr/^Unrecognized argument abadsignal/, 'send bad signame to import' ); |
27 | |
28 | eval{ sigtrap->import('handler') }; |
29 | like( $@, qr/^No argument specified/, 'send handler without subref' ); |
30 | |
31 | sigtrap->import('AFAKE'); |
32 | is( $SIG{AFAKE}, \&sigtrap::handler_traceback, 'install normal handler' ); |
33 | |
34 | sigtrap->import('die', 'AFAKE', 'stack-trace', 'FAKE2'); |
35 | is( $SIG{AFAKE}, \&sigtrap::handler_die, 'install the die handler' ); |
36 | is( $SIG{FAKE2}, \&sigtrap::handler_traceback, 'install traceback handler' ); |
37 | |
38 | my @normal = qw( HUP INT PIPE TERM ); |
39 | @SIG{@normal} = 1 x @normal; |
40 | sigtrap->import('normal-signals'); |
41 | is( (grep { ref $_ } @SIG{@normal}), @normal, 'check normal-signals set' ); |
42 | |
43 | my @error = qw( ABRT BUS EMT FPE ILL QUIT SEGV SYS TRAP ); |
44 | @SIG{@error} = 1 x @error; |
45 | sigtrap->import('error-signals'); |
46 | is( (grep { ref $_ } @SIG{@error}), @error, 'check error-signals set' ); |
47 | |
48 | my @old = qw( ABRT BUS EMT FPE ILL PIPE QUIT SEGV SYS TERM TRAP ); |
49 | @SIG{@old} = 1 x @old; |
50 | sigtrap->import('old-interface-signals'); |
51 | is( (grep { ref $_ } @SIG{@old}), @old, 'check old-interface-signals set' ); |
52 | |
53 | my $handler = sub {}; |
54 | sigtrap->import(handler => $handler, 'FAKE3'); |
55 | is( $SIG{FAKE3}, $handler, 'install custom handler' ); |
56 | |
57 | $SIG{FAKE} = 'IGNORE'; |
58 | sigtrap->import('untrapped', 'FAKE'); |
59 | is( $SIG{FAKE}, 'IGNORE', 'respect existing handler set to IGNORE' ); |
60 | |
61 | my $out = tie *STDOUT, 'TieOut'; |
62 | $SIG{FAKE} = 'DEFAULT'; |
63 | $sigtrap::Verbose = 1; |
64 | sigtrap->import('any', 'FAKE'); |
65 | is( $SIG{FAKE}, \&sigtrap::handler_traceback, 'should set default handler' ); |
66 | like( $out->read, qr/^Installing handler/, 'does it talk with $Verbose set?' ); |
67 | |
68 | # handler_die croaks with first argument |
69 | eval { sigtrap::handler_die('FAKE') }; |
70 | like( $@, qr/^Caught a SIGFAKE/, 'does handler_die() croak?' ); |
71 | |
72 | SKIP: { |
73 | skip( 'kill not implemented', 3) unless $can_catch_kill and |
74 | $Config{sig_name} =~ 'ABRT'; |
75 | |
76 | $out = tie *STDERR, 'TieOut'; |
77 | my $line = __LINE__ + 1; |
78 | eval { sigtrap::handler_traceback('kudra') }; |
79 | is( $@, '', 'handler_traceback() should not die' ); |
80 | my $trace = $out->read(); |
81 | like( $trace, qr/^Caught a SIGkudra/, 'check traceback message' ); |
82 | like( $trace, qr/eval.+sigtrap.t.+$line/, 'check trace in traceback' ); |
83 | } # end of SKIP |
84 | |
85 | package TieOut; |
86 | |
87 | sub TIEHANDLE { |
88 | bless(\(my $scalar), $_[0]); |
89 | } |
90 | |
91 | sub PRINT { |
92 | my $self = shift; |
93 | $$self .= join '', @_; |
94 | } |
95 | |
96 | sub WRITE { |
97 | my ($self, $msg, $length) = @_; |
98 | $$self .= $msg; |
99 | } |
100 | |
101 | sub read { |
102 | my $self = shift; |
103 | substr($$self, 0, length($$self), ''); |
104 | } |