+#! /usr/bin/env perl
+# Copyright 2015-2016 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;
+use warnings;
+
+# Recognise VERBOSE and V which is common on other projects.
+BEGIN {
+ $ENV{HARNESS_VERBOSE} = "yes" if $ENV{VERBOSE} || $ENV{V};
+}
+
+use File::Spec::Functions qw/catdir catfile curdir abs2rel rel2abs/;
+use File::Basename;
+use if $^O ne "VMS", 'File::Glob' => qw/glob/;
+use Test::Harness qw/runtests $switches/;
+
+my $srctop = $ENV{SRCTOP} || $ENV{TOP};
+my $bldtop = $ENV{BLDTOP} || $ENV{TOP};
+my $recipesdir = catdir($srctop, "test", "recipes");
+my $testlib = catdir($srctop, "test", "testlib");
+my $utillib = catdir($srctop, "util");
+
+# It seems that $switches is getting interpreted with 'eval' or something
+# like that, and that we need to take care of backslashes or they will
+# disappear along the way.
+$testlib =~ s|\\|\\\\|g if $^O eq "MSWin32";
+$utillib =~ s|\\|\\\\|g if $^O eq "MSWin32";
+
+# Test::Harness provides the variable $switches to give it
+# switches to be used when it calls our recipes.
+$switches = "-w \"-I$testlib\" \"-I$utillib\"";
+
+my @tests = ( "alltests" );
+if (@ARGV) {
+ @tests = @ARGV;
+}
+my $list_mode = scalar(grep /^list$/, @tests) != 0;
+if (grep /^(alltests|list)$/, @tests) {
+ @tests = grep {
+ basename($_) =~ /^[0-9][0-9]-[^\.]*\.t$/
+ } glob(catfile($recipesdir,"*.t"));
+} else {
+ my @t = ();
+ foreach (@tests) {
+ push @t, grep {
+ basename($_) =~ /^[0-9][0-9]-[^\.]*\.t$/
+ } glob(catfile($recipesdir,"*-$_.t"));
+ }
+ @tests = @t;
+}
+
+if ($list_mode) {
+ @tests = map { $_ = basename($_); $_ =~ s/^[0-9][0-9]-//; $_ =~ s/\.t$//;
+ $_ } @tests;
+ print join("\n", @tests), "\n";
+} else {
+ @tests = map { abs2rel($_, rel2abs(curdir())); } @tests;
+
+ runtests(sort @tests);
+}