#!/usr/bin/perl -w

# Copyright (C) 2007 Apple Inc.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

use strict;

sub usage()
{
    die "Usage: sunspider engine [ max_runs ]\n";
}

if (scalar @ARGV < 1) {
    usage();
}

my $jsshell = $ARGV[0];

my $max = $ARGV[1];
$max = 5 if !$max;

if ($max =~ /\D/) {
    usage();
}

print STDERR "Running SunSpider once for warmup, then $max times\n";

my @tests = ();
my @categories = ();
my %uniqueCategories = ();

open TESTLIST, "<./tests/LIST";
while (<TESTLIST>) {
    chomp;
    next unless $_;
    push @tests, $_;
    my $category = $_;
    $category =~ s/-.*//;
    if (!$uniqueCategories{$category}) {
        push @categories, $category;
        $uniqueCategories{$category} = $category;
    }
}
close TESTLIST;

my $prefix = "var tests = [ " . join(", ", map { '"' . $_ . '"' } @tests) . " ];\n";
$prefix .= "var categories = [ " . join(", ", map { '"' . $_ . '"' } @categories) . " ];\n";

mkdir "tmp";
open PREFIX, ">tmp/sunspider-test-prefix.js";
print PREFIX $prefix;
close PREFIX;

my $discard = `"$jsshell" -f tmp/sunspider-test-prefix.js -f resources/sunspider-standalone-driver.js 2> /dev/null`;

print "Discarded first run.\n";

my $result;
my $count = 0;
my @results = ();
my $total = 0;
while ($count++ < $max) {
    $result = `"$jsshell" -f tmp/sunspider-test-prefix.js -f resources/sunspider-standalone-driver.js 2> /dev/null`;
    chomp $result;
    push @results, $result;
    print $result . "\n";
}

my $output = "var output = [\n" . join(",\n", @results) . "\n];\n";

open(OUTPUT, ">tmp/sunspider-results.js");
print OUTPUT $output;
close(OUTPUT);

system("$jsshell", "-f", "tmp/sunspider-test-prefix.js", "-f", "tmp/sunspider-results.js", "-f", "resources/sunspider-analyze-results.js");