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#!/usr/bin/perl
# (C) 2007 Jelmer Vernooij <jelmer@samba.org>
# Published under the GNU General Public License
use strict;
use warnings;
use Test::More tests => 10;
use FindBin qw($RealBin);
use lib "$RealBin";
use Util;
use Parse::Pidl::Util qw(MyDumper);
use Parse::Pidl::Samba4::NDR::Parser qw(check_null_pointer);
my $output;
sub print_fn($) { my $x = shift; $output.=$x; }
# Test case 1: Simple unique pointer dereference
$output = "";
my $fn = check_null_pointer({
PARENT => {
ELEMENTS => [
{
NAME => "bla",
LEVELS => [
{ TYPE => "POINTER",
POINTER_INDEX => 0,
POINTER_TYPE => "unique" },
{ TYPE => "DATA" }
],
},
]
}
}, { bla => "r->in.bla" }, \&print_fn, "return;");
test_warnings("", sub { $fn->("r->in.bla"); });
is($output, "if (r->in.bla == NULL) return;");
# Test case 2: Simple ref pointer dereference
$output = "";
$fn = check_null_pointer({
PARENT => {
ELEMENTS => [
{
NAME => "bla",
LEVELS => [
{ TYPE => "POINTER",
POINTER_INDEX => 0,
POINTER_TYPE => "ref" },
{ TYPE => "DATA" }
],
},
]
}
}, { bla => "r->in.bla" }, \&print_fn, undef);
test_warnings("", sub { $fn->("r->in.bla"); });
is($output, "");
# Test case 3: Illegal dereference
$output = "";
$fn = check_null_pointer({
FILE => "nofile",
LINE => 1,
PARENT => {
ELEMENTS => [
{
NAME => "bla",
LEVELS => [
{ TYPE => "DATA" }
],
},
]
}
}, { bla => "r->in.bla" }, \&print_fn, undef);
test_warnings("nofile:1: too much dereferences for `bla'\n",
sub { $fn->("r->in.bla"); });
is($output, "");
# Test case 4: Double pointer dereference
$output = "";
$fn = check_null_pointer({
PARENT => {
ELEMENTS => [
{
NAME => "bla",
LEVELS => [
{ TYPE => "POINTER",
POINTER_INDEX => 0,
POINTER_TYPE => "unique" },
{ TYPE => "POINTER",
POINTER_INDEX => 1,
POINTER_TYPE => "unique" },
{ TYPE => "DATA" }
],
},
]
}
}, { bla => "r->in.bla" }, \&print_fn, "return;");
test_warnings("",
sub { $fn->("*r->in.bla"); });
is($output, "if (*r->in.bla == NULL) return;");
# Test case 5: Unknown variable
$output = "";
$fn = check_null_pointer({
FILE => "nofile",
LINE => 2,
PARENT => {
ELEMENTS => [
{
NAME => "bla",
LEVELS => [
{ TYPE => "DATA" }
],
},
]
}
}, { }, \&print_fn, "return;");
test_warnings("nofile:2: unknown dereferenced expression `r->in.bla'\n",
sub { $fn->("r->in.bla"); });
is($output, "if (r->in.bla == NULL) return;");
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