Change 12347 by ams@ams-lustre on 2001/10/07 00:48:10
Subject: [PATCH MANIFEST lib/sigtrap.t] Add Tests for sigtrap.pm
From: "chromatic" <[EMAIL PROTECTED]>
Date: Sat, 06 Oct 2001 18:52:10 -0600
Message-Id: <[EMAIL PROTECTED]>
Affected files ...
... //depot/perl/MANIFEST#583 edit
... //depot/perl/lib/sigtrap.t#1 add
Differences ...
==== //depot/perl/MANIFEST#583 (text) ====
Index: perl/MANIFEST
--- perl/MANIFEST.~1~ Sat Oct 6 19:00:05 2001
+++ perl/MANIFEST Sat Oct 6 19:00:05 2001
@@ -1135,6 +1135,7 @@
lib/Shell.t Tests for above
lib/shellwords.pl Perl library to split into words with shell quoting
lib/sigtrap.pm For trapping an abort and giving traceback
+lib/sigtrap.t See if sigtrap works
lib/stat.pl Perl library supporting stat function
lib/strict.pm For "use strict"
lib/strict.t See if strictures work
==== //depot/perl/lib/sigtrap.t#1 (text) ====
Index: perl/lib/sigtrap.t
--- perl/lib/sigtrap.t.~1~ Sat Oct 6 19:00:05 2001
+++ perl/lib/sigtrap.t Sat Oct 6 19:00:05 2001
@@ -0,0 +1,104 @@
+#!./perl
+
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+}
+
+use strict;
+use Config;
+
+my $can_catch_kill = 0;
+
+use Test::More tests => 18;
+
+use_ok( 'sigtrap' );
+
+package main;
+local %SIG;
+
+# use a version of sigtrap.pm somewhat too high
+eval{ sigtrap->import(99999) };
+like( $@, qr/version 99999 required,/, 'import excessive version number' );
+
+# use an invalid signal name
+eval{ sigtrap->import('abadsignal') };
+like( $@, qr/^Unrecognized argument abadsignal/, 'send bad signame to import' );
+
+eval{ sigtrap->import('handler') };
+like( $@, qr/^No argument specified/, 'send handler without subref' );
+
+sigtrap->import('AFAKE');
+is( $SIG{AFAKE}, \&sigtrap::handler_traceback, 'install normal handler' );
+
+sigtrap->import('die', 'AFAKE', 'stack-trace', 'FAKE2');
+is( $SIG{AFAKE}, \&sigtrap::handler_die, 'install the die handler' );
+is( $SIG{FAKE2}, \&sigtrap::handler_traceback, 'install traceback handler' );
+
+my @normal = qw( HUP INT PIPE TERM );
+@SIG{@normal} = 1 x @normal;
+sigtrap->import('normal-signals');
+is( (grep { ref $_ } @SIG{@normal}), @normal, 'check normal-signals set' );
+
+my @error = qw( ABRT BUS EMT FPE ILL QUIT SEGV SYS TRAP );
+@SIG{@error} = 1 x @error;
+sigtrap->import('error-signals');
+is( (grep { ref $_ } @SIG{@error}), @error, 'check error-signals set' );
+
+my @old = qw( ABRT BUS EMT FPE ILL PIPE QUIT SEGV SYS TERM TRAP );
+@SIG{@old} = 1 x @old;
+sigtrap->import('old-interface-signals');
+is( (grep { ref $_ } @SIG{@old}), @old, 'check old-interface-signals set' );
+
+my $handler = sub {};
+sigtrap->import(handler => $handler, 'FAKE3');
+is( $SIG{FAKE3}, $handler, 'install custom handler' );
+
+$SIG{FAKE} = 'IGNORE';
+sigtrap->import('untrapped', 'FAKE');
+is( $SIG{FAKE}, 'IGNORE', 'respect existing handler set to IGNORE' );
+
+my $out = tie *STDOUT, 'TieOut';
+$SIG{FAKE} = 'DEFAULT';
+$sigtrap::Verbose = 1;
+sigtrap->import('any', 'FAKE');
+is( $SIG{FAKE}, \&sigtrap::handler_traceback, 'should set default handler' );
+like( $out->read, qr/^Installing handler/, 'does it talk with $Verbose set?' );
+
+# handler_die croaks with first argument
+eval { sigtrap::handler_die('FAKE') };
+like( $@, qr/^Caught a SIGFAKE/, 'does handler_die() croak?' );
+
+SKIP: {
+ skip( 'kill not implemented', 3) unless $can_catch_kill and
+ $Config{sig_name} =~ 'ABRT';
+
+ $out = tie *STDERR, 'TieOut';
+ my $line = __LINE__ + 1;
+ eval { sigtrap::handler_traceback('kudra') };
+ is( $@, '', 'handler_traceback() should not die' );
+ my $trace = $out->read();
+ like( $trace, qr/^Caught a SIGkudra/, 'check traceback message' );
+ like( $trace, qr/eval.+sigtrap.t.+$line/, 'check trace in traceback' );
+} # end of SKIP
+
+package TieOut;
+
+sub TIEHANDLE {
+ bless(\(my $scalar), $_[0]);
+}
+
+sub PRINT {
+ my $self = shift;
+ $$self .= join '', @_;
+}
+
+sub WRITE {
+ my ($self, $msg, $length) = @_;
+ $$self .= $msg;
+}
+
+sub read {
+ my $self = shift;
+ substr($$self, 0, length($$self), '');
+}
End of Patch.
