openssl/test/recipes/02-test_errstr.t
Richard Levitte 4b801fdcf4 Add an error message test recipes for system error messages
This ensures we collected them properly and and as completely as can
be tested safely.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7681)
2018-11-23 12:34:45 +01:00

66 lines
2.3 KiB
Perl

#! /usr/bin/env perl
# Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the OpenSSL license (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
use strict;
no strict 'refs'; # To be able to use strings as function refs
use OpenSSL::Test;
use Errno qw(:POSIX);
use POSIX qw(strerror);
# We actually have space for up to 4095 error messages,
# numerically speaking... but we're currently only using
# numbers 1 through 127.
# This constant should correspond to the same constant
# defined in crypto/err/err.c, or at least must not be
# assigned a greater number.
use constant NUM_SYS_STR_REASONS => 127;
setup('test_errstr');
# These are POSIX error names, which Errno implements as functions
# (this is documented)
my @posix_errors = @{$Errno::EXPORT_TAGS{POSIX}};
plan tests => scalar @posix_errors
+1 # Checking that error 128 gives 'reason(128)'
+1 # Checking that error 0 gives the library name
;
foreach my $errname (@posix_errors) {
my $errnum = "Errno::$errname"->();
SKIP: {
skip "Error $errname ($errnum) isn't within our range", 1
if $errnum > NUM_SYS_STR_REASONS;
my $perr = eval {
# Set $! to the error number...
local $! = $errnum;
# ... and $! will give you the error string back
$!
};
# We know that the system reasons are in OpenSSL error library 2
my @oerr = run(app([ qw(openssl errstr), sprintf("2%06x", $errnum) ]),
capture => 1);
$oerr[0] =~ s|\R$||;
$oerr[0] =~ s|.*system library:||g; # The actual message is last
ok($oerr[0] eq $perr, "($errnum) '$oerr[0]' == '$perr'");
}
}
my @after = run(app([ qw(openssl errstr 2000080) ]), capture => 1);
$after[0] =~ s|\R$||;
$after[0] =~ s|.*system library:||g;
ok($after[0] eq "reason(128)", "(128) '$after[0]' == 'reason(128)'");
my @zero = run(app([ qw(openssl errstr 2000000) ]), capture => 1);
$zero[0] =~ s|\R$||;
$zero[0] =~ s|.*system library:||g;
ok($zero[0] eq "system library", "(0) '$zero[0]' == 'system library'");