--- /dev/null
+#!perl
+
+use strict;
+use warnings;
+
+use Test::Valgrind::Session;
+
+use File::Temp;
+
+use Test::More tests => 7;
+
+my $sess = eval { Test::Valgrind::Session->new(
+ search_dirs => [ ],
+) };
+like $@, qr/^Empty valgrind candidates list/, 'no search_dirs';
+
+$sess = eval { Test::Valgrind::Session->new(
+ valgrind => 'wut',
+) };
+like $@, qr/^No appropriate valgrind executable/, 'nonexistant valgrind';
+
+sub fake_vg {
+ my ($version) = @_;
+ return <<" FAKE_VG";
+#!$^X
+if (\@ARGV == 1 && \$ARGV[0] eq '--version') {
+ print "valgrind-$version\n";
+} else {
+ print "hlagh\n";
+}
+ FAKE_VG
+}
+
+my $vg_old = File::Temp->new(UNLINK => 1);
+print $vg_old fake_vg('3.0.0');
+close $vg_old;
+chmod 0755, $vg_old->filename;
+
+my $sess = eval { Test::Valgrind::Session->new(
+ valgrind => $vg_old->filename,
+ min_version => '3.1.0',
+) };
+like $@, qr/^No appropriate valgrind executable/, 'old valgrind';
+
+my $vg_new = File::Temp->new(UNLINK => 1);
+print $vg_new fake_vg('3.4.0');
+close $vg_new;
+chmod 0755, $vg_new->filename;
+
+$sess = eval { Test::Valgrind::Session->new(
+ valgrind => $vg_new->filename,
+ min_version => '3.1.0',
+) };
+is $@, '', 'new valgrind';
+isa_ok $sess, 'Test::Valgrind::Session', 'new valgrind isa Test::Valgrind::Session';
+
+$sess = eval { Test::Valgrind::Session->new(
+ search_dirs => [ ],
+ valgrind => [ $vg_old->filename, $vg_new->filename ],
+ min_version => '3.1.0',
+) };
+is $@, '', 'old and new valgrind';
+isa_ok $sess, 'Test::Valgrind::Session', 'old and new valgrind isa Test::Valgrind::Session';