1 #!/usr/bin/perl

     2 

     3 # Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.

     4 # Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)

     5 # Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com)

     6 #

     7 # Redistribution and use in source and binary forms, with or without

     8 # modification, are permitted provided that the following conditions

     9 # are met:

    10 #

    11 # 1.  Redistributions of source code must retain the above copyright

    12 #     notice, this list of conditions and the following disclaimer. 

    13 # 2.  Redistributions in binary form must reproduce the above copyright

    14 #     notice, this list of conditions and the following disclaimer in the

    15 #     documentation and/or other materials provided with the distribution. 

    16 # 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

    17 #     its contributors may be used to endorse or promote products derived

    18 #     from this software without specific prior written permission. 

    19 #

    20 # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

    21 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    22 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    23 # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

    24 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    25 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    26 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

    27 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

    29 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    30 

    31 # Script to run the Web Kit Open Source Project layout tests.

    32 

    33 # Run all the tests passed in on the command line.

    34 # If no tests are passed, find all the .html, .shtml, .xml, .xhtml, .pl, .php (and svg) files in the test directory.

    35 

    36 # Run each text.

    37 # Compare against the existing file xxx-expected.txt.

    38 # If there is a mismatch, generate xxx-actual.txt and xxx-diffs.txt.

    39 

    40 # At the end, report:

    41 #   the number of tests that got the expected results

    42 #   the number of tests that ran, but did not get the expected results

    43 #   the number of tests that failed to run

    44 #   the number of tests that were run but had no expected results to compare against

    45 

    46 use strict;

    47 use warnings;

    48 

    49 use Cwd;

    50 use File::Basename;

    51 use File::Copy;

    52 use File::Find;

    53 use File::Path;

    54 use File::Spec;

    55 use File::Spec::Functions;

    56 use FindBin;

    57 use Getopt::Long;

    58 use IPC::Open2;

    59 use IPC::Open3;

    60 use Time::HiRes qw(time);

    61 

    62 use lib $FindBin::Bin;

    63 use webkitdirs;

    64 use POSIX;

    65 

    66 sub openDumpTool();

    67 sub closeDumpTool();

    68 sub dumpToolDidCrash();

    69 sub closeHTTPD();

    70 sub countAndPrintLeaks($$$);

    71 sub fileNameWithNumber($$);

    72 sub numericcmp($$);

    73 sub openHTTPDIfNeeded();

    74 sub pathcmp($$);

    75 sub processIgnoreTests($);

    76 sub slowestcmp($$);

    77 sub splitpath($);

    78 sub stripExtension($);

    79 sub isTextOnlyTest($);

    80 sub expectedDirectoryForTest($;$);

    81 sub printFailureMessageForTest($$);

    82 sub toURL($);

    83 sub toWindowsPath($);

    84 sub closeCygpaths();

    85 sub validateSkippedArg($$;$);

    86 sub htmlForExpectedAndActualResults($);

    87 sub deleteExpectedAndActualResults($);

    88 sub recordActualResultsAndDiff($$);

    89 sub buildPlatformHierarchy();

    90 

    91 # Argument handling

    92 my $shouldCheckLeaks = '';

    93 my $configuration = configuration();

    94 my $guardMalloc = '';

    95 my $httpdPort = 8000;

    96 my $httpdSSLPort = 8443;

    97 my $ignoreTests = '';

    98 my $launchSafari = 1;

    99 my $platform;

   100 my $pixelTests = '';

   101 my $quiet = '';

   102 my $repaintSweepHorizontally = '';

   103 my $repaintTests = '';

   104 my $report10Slowest = 0;

   105 my $resetResults = 0;

   106 my $showHelp = 0;

   107 my $testsPerDumpTool = 1000;

   108 my $testHTTP = 1;

   109 my $testOnlySVGs = '';

   110 my $testResultsDirectory = "/tmp/layout-test-results";

   111 my $threaded = 0;

   112 my $treatSkipped = "default";

   113 my $verbose = 0;

   114 my $useValgrind = 0;

   115 my $strictTesting = 0;

   116 my $generateNewResults = 1;

   117 my $stripEditingCallbacks = isCygwin();

   118 my $root;

   119 

   120 my $expectedTag = "expected";

   121 my $actualTag = "actual";

   122 my $diffsTag = "diffs";

   123 my $errorTag = "stderr";

   124 

   125 if (isTiger()) {

   126     $platform = "mac-tiger";

   127 } elsif (isLeopard()) {

   128     $platform = "mac-leopard";

   129 } elsif (isOSX()) {

   130     $platform = "mac";

   131 } elsif (isQt()) {

   132     $platform = "qt";

   133 } elsif (isGtk()) {

   134     $platform = "gtk";

   135 } elsif (isCygwin()) {

   136     $platform = "win";

   137 }

   138 

   139 if (!defined($platform)) {

   140     print "WARNING: Your platform is not recognized. Any platform-specific results will be generated in platform/undefined.\n";

   141     $platform = "undefined";

   142 }

   143 

   144 my $programName = basename($0);

   145 my $launchSafariDefault = $launchSafari ? "launch" : "do not launch";

   146 my $httpDefault = $testHTTP ? "run" : "do not run";

   147 

   148 my $usage = <<EOF;

   149 Usage: $programName [options] [testdir|testpath ...]

   150   -c|--configuration config       Set DumpRenderTree build configuration

   151   -g|--guard-malloc               Enable malloc guard

   152   --help                          Show this help message

   153   -h|--horizontal-sweep           Change repaint to sweep horizontally instead of vertically (implies --repaint-tests)

   154   --[no-]http                     Run (or do not run) http tests (default: $httpDefault)

   155   -i|--ignore-tests               Comma-separated list of directories or tests to ignore

   156   --[no-]launch-safari            Launch (or do not launch) Safari to display test results (default: $launchSafariDefault)

   157   -l|--leaks                      Enable leaks checking

   158   --[no-]new-test-results         Generate results for new tests

   159   -p|--pixel-tests                Enable pixel tests

   160   --platform                      Override the detected platform to use for tests and results (default: $platform)

   161   --port                          Web server port to use with http tests

   162   -q|--quiet                      Less verbose output

   163   -r|--repaint-tests              Run repaint tests (implies --pixel-tests)

   164   --reset-results                 Reset ALL results (including pixel tests if --pixel-tests is set)

   165   -o|--results-directory          Output results directory (default: $testResultsDirectory)

   166   --root                          Path to root tools build

   167   -1|--singly                     Isolate each test case run (implies --verbose)

   168   --skipped=[default|ignore|only] Specifies how to treat the Skipped file

   169                                      default: Tests/directories listed in the Skipped file are not tested

   170                                      ignore:  The Skipped file is ignored

   171                                      only:    Only those tests/directories listed in the Skipped file will be run

   172   --slowest                       Report the 10 slowest tests

   173   --strict                        Do a comparison with the output on Mac (Qt only)

   174   --[no-]strip-editing-callbacks  Remove editing callbacks from expected results

   175   --svg                           Run only SVG tests (implies --pixel-tests)

   176   -t|--threaded                   Run a concurrent JavaScript thead with each test

   177   --valgrind                      Run DumpRenderTree inside valgrind (Qt/Linux only)

   178   -v|--verbose                    More verbose output (overrides --quiet)

   179 EOF

   180 

   181 my $getOptionsResult = GetOptions(

   182     'c|configuration=s' => \$configuration,

   183     'debug|devel' => sub { $configuration = "Debug" },

   184     'guard-malloc|g' => \$guardMalloc,

   185     'help' => \$showHelp,

   186     'horizontal-sweep|h' => \$repaintSweepHorizontally,

   187     'http!' => \$testHTTP,

   188     'ignore-tests|i=s' => \$ignoreTests,

   189     'launch-safari!' => \$launchSafari,

   190     'leaks|l' => \$shouldCheckLeaks,

   191     'pixel-tests|p' => \$pixelTests,

   192     'platform=s' => \$platform,

   193     'port=i' => \$httpdPort,

   194     'quiet|q' => \$quiet,

   195     'release|deploy' => sub { $configuration = "Release" },

   196     'repaint-tests|r' => \$repaintTests,

   197     'reset-results' => \$resetResults,

   198     'new-test-results!' => \$generateNewResults,

   199     'results-directory|o=s' => \$testResultsDirectory,

   200     'singly|1' => sub { $testsPerDumpTool = 1; },

   201     'nthly=i' => \$testsPerDumpTool,

   202     'skipped=s' => \&validateSkippedArg,

   203     'slowest' => \$report10Slowest,

   204     'svg' => \$testOnlySVGs, 

   205     'threaded|t' => \$threaded,

   206     'verbose|v' => \$verbose,

   207     'valgrind' => \$useValgrind,

   208     'strict' => \$strictTesting,

   209     'strip-editing-callbacks!' => \$stripEditingCallbacks,

   210     'root=s' => \$root,

   211 );

   212 

   213 if (!$getOptionsResult || $showHelp) {

   214     print STDERR $usage;

   215     exit 1;

   216 }

   217 

   218 my $ignoreSkipped = $treatSkipped eq "ignore";

   219 my $skippedOnly = $treatSkipped eq "only";

   220 

   221 !$skippedOnly || @ARGV == 0 or die "--skipped=only cannot be used when tests are specified on the command line.";

   222 

   223 setConfiguration($configuration);

   224 

   225 my $configurationOption = "--" . lc($configuration);

   226 

   227 $repaintTests = 1 if $repaintSweepHorizontally;

   228 

   229 $pixelTests = 1 if $testOnlySVGs;

   230 $pixelTests = 1 if $repaintTests;

   231 

   232 $verbose = 1 if $testsPerDumpTool == 1;

   233 

   234 if ($shouldCheckLeaks && $testsPerDumpTool > 1000) {

   235     print STDERR "\nWARNING: Running more than 1000 tests at a time with MallocStackLogging enabled may cause a crash.\n\n";

   236 }

   237 

   238 # Force --no-http for Qt/Linux, for now.

   239 $testHTTP = 0 if isQt();

   240 

   241 setConfigurationProductDir(Cwd::abs_path($root)) if (defined($root));

   242 my $productDir = productDir();

   243 $productDir .= "/bin" if (isQt());

   244 

   245 chdirWebKit();

   246 

   247 if(!defined($root)){

   248     my $buildResult;

   249     if (isCygwin()) {

   250         $buildResult = buildVisualStudioProject("WebKitTools/DumpRenderTree/DumpRenderTree.sln");

   251     } else {

   252         # Push the parameters to build-dumprendertree as an array

   253         my @args;

   254         push(@args, $configuration);

   255 

   256         if (isQt()) {

   257             push(@args, "--qt");

   258         } elsif (isGtk()) {

   259             push(@args, "--gtk");

   260         }

   261 

   262         $buildResult = system "WebKitTools/Scripts/build-dumprendertree", @args;

   263     }

   264 

   265     if ($buildResult) {

   266         print STDERR "Compiling DumpRenderTree failed!\n";

   267         exit WEXITSTATUS($buildResult);

   268     }

   269 }

   270 

   271 my $dumpToolName = "DumpRenderTree";

   272 $dumpToolName .= "_debug" if isCygwin() && $configuration ne "Release";

   273 my $dumpTool = "$productDir/$dumpToolName";

   274 die "can't find executable $dumpToolName (looked in $productDir)\n" unless -x $dumpTool;

   275 

   276 my $imageDiffTool = "$productDir/ImageDiff";

   277 die "can't find executable $imageDiffTool (looked in $productDir)\n" if $pixelTests && !-x $imageDiffTool;

   278 

   279 checkFrameworks() unless isCygwin();

   280 

   281 my $layoutTestsName = "LayoutTests";

   282 my $testDirectory = File::Spec->rel2abs($layoutTestsName);

   283 my $expectedDirectory = $testDirectory;

   284 my $platformBaseDirectory = catdir($testDirectory, "platform");

   285 my $platformTestDirectory = catdir($platformBaseDirectory, $platform);

   286 my @platformHierarchy = buildPlatformHierarchy();

   287 

   288 $expectedDirectory = $ENV{"WebKitExpectedTestResultsDirectory"} if $ENV{"WebKitExpectedTestResultsDirectory"};

   289 

   290 if ($testOnlySVGs) {

   291     $testDirectory .= "/svg";

   292     $expectedDirectory .= "/svg";

   293 }

   294 

   295 my $testResults = catfile($testResultsDirectory, "results.html");

   296 

   297 print "Running tests from $testDirectory\n";

   298 

   299 my @tests = ();

   300 my %testType = ();

   301 

   302 system "ln", "-s", $testDirectory, "/tmp/LayoutTests" unless -x "/tmp/LayoutTests";

   303 

   304 my %ignoredFiles = ();

   305 my %ignoredDirectories = map { $_ => 1 } qw(platform);

   306 my %ignoredLocalDirectories = map { $_ => 1 } qw(.svn _svn resources);

   307 my %supportedFileExtensions = map { $_ => 1 } qw(html shtml xml xhtml pl php);

   308 if ($testOnlySVGs) {

   309     %supportedFileExtensions = map { $_ => 1 } qw(svg xml);

   310 } elsif (checkWebCoreSVGSupport($testOnlySVGs)) { 

   311     $supportedFileExtensions{'svg'} = 1;

   312 } elsif (isCygwin()) {

   313     # FIXME: We should fix webkitdirs.pm:hasSVGSupport() to do the correct

   314     # check for Windows instead of forcing this here.

   315     $supportedFileExtensions{'svg'} = 1;

   316 } else {

   317     $ignoredLocalDirectories{'svg'} = 1;

   318 }

   319 if (!$testHTTP) {

   320     $ignoredDirectories{'http'} = 1;

   321 }

   322 

   323 if ($ignoreTests) {

   324     processIgnoreTests($ignoreTests);

   325 }

   326 

   327 if (!$ignoreSkipped) {

   328     foreach my $level (@platformHierarchy) {

   329         if (open SKIPPED, "<", "$level/Skipped") {

   330             if ($verbose && !$skippedOnly) {

   331                 my ($dir, $name) = splitpath($level);

   332                 print "Skipped tests in $name:\n";

   333             }

   334 

   335             while (<SKIPPED>) {

   336                 my $skipped = $_;

   337                 chomp $skipped;

   338                 $skipped =~ s/^[ \n\r]+//;

   339                 $skipped =~ s/[ \n\r]+$//;

   340                 if ($skipped && $skipped !~ /^#/) {

   341                     if ($skippedOnly) {

   342                         push(@ARGV, $skipped);

   343                     } else {

   344                         if ($verbose) {

   345                             print "    $skipped\n";

   346                         }

   347                         processIgnoreTests($skipped);

   348                     }

   349                 }

   350             }

   351             close SKIPPED;

   352         }

   353     }

   354 }

   355 

   356 

   357 my $directoryFilter = sub {

   358     return () if exists $ignoredLocalDirectories{basename($File::Find::dir)};

   359     return () if exists $ignoredDirectories{File::Spec->abs2rel($File::Find::dir, $testDirectory)};

   360     return @_;

   361 };

   362 

   363 my $fileFilter = sub {

   364     my $filename = $_;

   365     if ($filename =~ /\.([^.]+)$/) {

   366         if (exists $supportedFileExtensions{$1}) {

   367             my $path = File::Spec->abs2rel(catfile($File::Find::dir, $filename), $testDirectory);

   368             push @tests, $path if !exists $ignoredFiles{$path};

   369         }

   370     }

   371 };

   372 

   373 for my $test (@ARGV) {

   374     $test =~ s/^($layoutTestsName|$testDirectory)\///;

   375     my $fullPath = catfile($testDirectory, $test);

   376     if (file_name_is_absolute($test)) {

   377         print "can't run test $test outside $testDirectory\n";

   378     } elsif (-f $fullPath) {

   379         my ($filename, $pathname, $fileExtension) = fileparse($test, qr{\.[^.]+$});

   380         if (!exists $supportedFileExtensions{substr($fileExtension, 1)}) {

   381             print "test $test does not have a supported extension\n";

   382         } elsif ($testHTTP || $pathname !~ /^http\//) {

   383             push @tests, $test;

   384         }

   385     } elsif (-d $fullPath) {

   386         find({ preprocess => $directoryFilter, wanted => $fileFilter }, $fullPath);

   387 

   388         for my $level (@platformHierarchy) {

   389             my $platformPath = catfile($level, $test);

   390             find({ preprocess => $directoryFilter, wanted => $fileFilter }, $platformPath) if (-d $platformPath);

   391         }

   392     } else {

   393         print "test $test not found\n";

   394     }

   395 }

   396 if (!scalar @ARGV) {

   397     find({ preprocess => $directoryFilter, wanted => $fileFilter }, $testDirectory);

   398 

   399     for my $level (@platformHierarchy) {

   400         find({ preprocess => $directoryFilter, wanted => $fileFilter }, $level);

   401     }

   402 }

   403 

   404 die "no tests to run\n" if !@tests;

   405 

   406 @tests = sort pathcmp @tests;

   407 

   408 my %counts;

   409 my %tests;

   410 my %imagesPresent;

   411 my %durations;

   412 my $count = 0;

   413 my $leaksOutputFileNumber = 1;

   414 my $totalLeaks = 0;

   415 

   416 my @toolArgs = ();

   417 push @toolArgs, "--dump-all-pixels" if $pixelTests && $resetResults;

   418 push @toolArgs, "--pixel-tests" if $pixelTests;

   419 push @toolArgs, "--repaint" if $repaintTests;

   420 push @toolArgs, "--horizontal-sweep" if $repaintSweepHorizontally;

   421 push @toolArgs, "--threaded" if $threaded;

   422 push @toolArgs, "--paint" if $shouldCheckLeaks; # Otherwise, DRT won't exercise painting leaks.

   423 push @toolArgs, "-";

   424 

   425 $| = 1;

   426 

   427 my $imageDiffToolPID;

   428 if ($pixelTests) {

   429     local %ENV;

   430     $ENV{MallocStackLogging} = 1 if $shouldCheckLeaks;

   431     $imageDiffToolPID = open2(\*DIFFIN, \*DIFFOUT, $imageDiffTool, "") or die "unable to open $imageDiffTool\n";

   432 }

   433 

   434 my $dumpToolPID;

   435 my $isDumpToolOpen = 0;

   436 my $dumpToolCrashed = 0;

   437 

   438 my $atLineStart = 1;

   439 my $lastDirectory = "";

   440 

   441 my $isHttpdOpen = 0;

   442 

   443 sub catch_pipe { $dumpToolCrashed = 1; }

   444 $SIG{"PIPE"} = "catch_pipe";

   445 

   446 print "Testing ", scalar @tests, " test cases.\n";

   447 my $overallStartTime = time;

   448 

   449 for my $test (@tests) {

   450     next if $test eq 'results.html';

   451 

   452     openDumpTool();

   453 

   454     my $base = stripExtension($test);

   455     

   456     if ($verbose) {

   457         print "running $test -> ";

   458         $atLineStart = 0;

   459     } elsif (!$quiet) {

   460         my $dir = $base;

   461         $dir =~ s|/[^/]+$||;

   462         if ($dir ne $lastDirectory) {

   463             print "\n" unless $atLineStart;

   464             print "$dir ";

   465             $lastDirectory = $dir;

   466         }

   467         print ".";

   468         $atLineStart = 0;

   469     }

   470 

   471     my $result;

   472 

   473     my $startTime = time if $report10Slowest;

   474 

   475     if ($test !~ /^http\//) {

   476         my $testPath = "$testDirectory/$test";

   477         if (isCygwin()) {

   478             $testPath = toWindowsPath($testPath);

   479         } else {

   480             $testPath = canonpath($testPath);

   481         }

   482         print OUT "$testPath\n";

   483     } else {

   484         openHTTPDIfNeeded();

   485         if ($test !~ /^http\/tests\/local\// && $test !~ /^http\/tests\/ssl\//) {

   486             my $path = canonpath($test);

   487             $path =~ s/^http\/tests\///;

   488             print OUT "http://127.0.0.1:$httpdPort/$path\n";

   489         } elsif ($test =~ /^http\/tests\/ssl\//) {

   490             my $path = canonpath($test);

   491             $path =~ s/^http\/tests\///;

   492             print OUT "https://127.0.0.1:$httpdSSLPort/$path\n";

   493         } else {

   494             my $testPath = "$testDirectory/$test";

   495             if (isCygwin()) {

   496                 $testPath = toWindowsPath($testPath);

   497             }

   498             else {

   499                 $testPath = canonpath($testPath);

   500             }

   501             print OUT "$testPath\n";

   502         }

   503     }

   504 

   505     my $actual = "";

   506     while (<IN>) {

   507         last if /#EOF/;

   508         $actual .= $_;

   509     }

   510     $actual =~ s/\r//g if isCygwin();

   511     

   512     my $isText = isTextOnlyTest($actual);

   513 

   514     $durations{$test} = time - $startTime if $report10Slowest;

   515 

   516     my $expected;

   517     my $expectedDir = expectedDirectoryForTest($base, $isText);

   518 

   519     if (!$resetResults && open EXPECTED, "<", "$expectedDir/$base-$expectedTag.txt") {

   520         $expected = "";

   521         while (<EXPECTED>) {

   522             next if $stripEditingCallbacks && $_ =~ /^EDITING DELEGATE:/;

   523             $expected .= $_;

   524         }

   525         close EXPECTED;

   526     }

   527     my $expectedMac;

   528     if (!isOSX() && $strictTesting && !$isText) {

   529       if (!$resetResults && open EXPECTED, "<", "$testDirectory/platform/mac/$base-$expectedTag.txt") {

   530         $expectedMac = "";

   531         while (<EXPECTED>) {

   532           $expectedMac .= $_;

   533         }

   534         close EXPECTED;

   535       }

   536     }

   537 

   538     if ($shouldCheckLeaks && $testsPerDumpTool == 1) {

   539         print "        $test -> ";

   540     }

   541 

   542     my $actualPNG = "";

   543     my $diffPNG = "";

   544     my $diffPercentage = "";

   545     my $diffResult = "passed";

   546     

   547     if ($pixelTests) {

   548         my $actualHash = "";

   549         my $expectedHash = "";

   550         my $actualPNGSize = 0;

   551 

   552         while (<IN>) {

   553             last if /#EOF/;

   554             if (/ActualHash: ([a-f0-9]{32})/) {

   555                 $actualHash = $1;

   556             } elsif (/BaselineHash: ([a-f0-9]{32})/) {

   557                 $expectedHash = $1;

   558             } elsif (/Content-length: (\d+)\s*/) {

   559                 $actualPNGSize = $1;

   560                 read(IN, $actualPNG, $actualPNGSize);

   561             }

   562         }

   563 

   564         if ($expectedHash ne $actualHash && -f "$expectedDir/$base-$expectedTag.png") {

   565             my $expectedPNGSize = -s "$expectedDir/$base-$expectedTag.png";

   566             my $expectedPNG = "";

   567             open EXPECTEDPNG, "$expectedDir/$base-$expectedTag.png";

   568             read(EXPECTEDPNG, $expectedPNG, $expectedPNGSize);

   569 

   570             print DIFFOUT "Content-length: $actualPNGSize\n";

   571             print DIFFOUT $actualPNG;

   572 

   573             print DIFFOUT "Content-length: $expectedPNGSize\n";

   574             print DIFFOUT $expectedPNG;

   575 

   576             while (<DIFFIN>) {

   577                 last if /^error/ || /^diff:/;

   578                 if (/Content-length: (\d+)\s*/) {

   579                     read(DIFFIN, $diffPNG, $1);

   580                 }

   581             }

   582 

   583             if (/^diff: (.+)% (passed|failed)/) {

   584                 $diffPercentage = $1;

   585                 $diffResult = $2;

   586             }

   587         }

   588 

   589         if ($actualPNGSize && ($resetResults || !-f "$expectedDir/$base-$expectedTag.png")) {

   590             mkpath(catfile($expectedDir, dirname($base))) if $testDirectory ne $expectedDir;

   591             open EXPECTED, ">", "$expectedDir/$base-expected.png" or die "could not create $expectedDir/$base-expected.png\n";

   592             print EXPECTED $actualPNG;

   593             close EXPECTED;

   594         }

   595 

   596         # update the expected hash if the image diff said that there was no difference

   597         if ($actualHash ne "" && ($resetResults || !-f "$expectedDir/$base-$expectedTag.checksum")) {

   598             open EXPECTED, ">", "$expectedDir/$base-$expectedTag.checksum" or die "could not create $expectedDir/$base-$expectedTag.checksum\n";

   599             print EXPECTED $actualHash;

   600             close EXPECTED;

   601         }

   602     }

   603 

   604     if (!isOSX() && $strictTesting && !$isText) {

   605       if (defined $expectedMac) {

   606         my $simplified_actual;

   607         $simplified_actual = $actual;

   608         $simplified_actual =~ s/at \(-?[0-9]+,-?[0-9]+\) *//g;

   609         $simplified_actual =~ s/size -?[0-9]+x-?[0-9]+ *//g;

   610         $simplified_actual =~ s/text run width -?[0-9]+: //g;

   611         $simplified_actual =~ s/text run width -?[0-9]+ [a-zA-Z ]+: //g;

   612         $simplified_actual =~ s/RenderButton {BUTTON} .*/RenderButton {BUTTON}/g;

   613         $simplified_actual =~ s/RenderImage {INPUT} .*/RenderImage {INPUT}/g;

   614         $simplified_actual =~ s/RenderBlock {INPUT} .*/RenderBlock {INPUT}/g;

   615         $simplified_actual =~ s/RenderTextControl {INPUT} .*/RenderTextControl {INPUT}/g;

   616         $simplified_actual =~ s/\([0-9]+px/px/g;

   617         $simplified_actual =~ s/ *" *\n +" */ /g;

   618         $simplified_actual =~ s/" +$/"/g;

   619 

   620         $simplified_actual =~ s/- /-/g;

   621         $simplified_actual =~ s/\n( *)"\s+/\n$1"/g;

   622         $simplified_actual =~ s/\s+"\n/"\n/g;

   623         

   624         $expectedMac =~ s/at \(-?[0-9]+,-?[0-9]+\) *//g;

   625         $expectedMac =~ s/size -?[0-9]+x-?[0-9]+ *//g;

   626         $expectedMac =~ s/text run width -?[0-9]+: //g;

   627         $expectedMac =~ s/text run width -?[0-9]+ [a-zA-Z ]+: //g;

   628         $expectedMac =~ s/RenderButton {BUTTON} .*/RenderButton {BUTTON}/g;

   629         $expectedMac =~ s/RenderImage {INPUT} .*/RenderImage {INPUT}/g;

   630         $expectedMac =~ s/RenderBlock {INPUT} .*/RenderBlock {INPUT}/g;

   631         $expectedMac =~ s/RenderTextControl {INPUT} .*/RenderTextControl {INPUT}/g;

   632         $expectedMac =~ s/\([0-9]+px/px/g;

   633         $expectedMac =~ s/ *" *\n +" */ /g;

   634         $expectedMac =~ s/" +$/"/g;

   635 

   636         $expectedMac =~ s/- /-/g;

   637         $expectedMac =~ s/\n( *)"\s+/\n$1"/g;

   638         $expectedMac =~ s/\s+"\n/"\n/g;

   639         

   640         if ($simplified_actual ne $expectedMac) {

   641           open ACTUAL, ">", "/tmp/actual.txt" or die;

   642           print ACTUAL $simplified_actual;

   643           close ACTUAL;

   644           open ACTUAL, ">", "/tmp/expected.txt" or die;

   645           print ACTUAL $expectedMac;

   646           close ACTUAL;

   647           system "diff -u \"/tmp/expected.txt\" \"/tmp/actual.txt\" > \"/tmp/simplified.diff\"";

   648 

   649           $diffResult = "failed";

   650           if($verbose) {

   651             print "\n";

   652             system "cat /tmp/simplified.diff";

   653             print "failed!!!!!";

   654           }

   655         }

   656       }

   657     }

   658 

   659     if (dumpToolDidCrash()) {

   660         $result = "crash";

   661 

   662         printFailureMessageForTest($test, "crashed");

   663 

   664         my $dir = "$testResultsDirectory/$base";

   665         $dir =~ s|/([^/]+)$|| or die "Failed to find test name from base\n";

   666         mkpath $dir;

   667 

   668         deleteExpectedAndActualResults($base);

   669 

   670         open CRASH, ">", "$testResultsDirectory/$base-$errorTag.txt" or die;

   671         print CRASH <ERROR>;

   672         close CRASH;

   673 

   674         recordActualResultsAndDiff($base, $actual);

   675 

   676         closeDumpTool();

   677     } elsif (!defined $expected) {

   678         if ($verbose) {

   679             print "new " . ($resetResults ? "result" : "test") ."\n";

   680             $atLineStart = 1;

   681         }

   682         $result = "new";

   683 

   684         if ($generateNewResults || $resetResults) {

   685             # Create the path if needed

   686             mkpath(catfile($expectedDir, dirname($base))) if $testDirectory ne $expectedDir;

   687 

   688             open EXPECTED, ">", "$expectedDir/$base-$expectedTag.txt" or die "could not create $expectedDir/$base-$expectedTag.txt\n";

   689             print EXPECTED $actual;

   690             close EXPECTED;

   691         }

   692         deleteExpectedAndActualResults($base);

   693         unless ($resetResults) {

   694             # Always print the file name for new tests, as they will probably need some manual inspection.

   695             # in verbose mode we already printed the test case, so no need to do it again.

   696             unless ($verbose) {

   697                 print "\n" unless $atLineStart;

   698                 print "$test -> ";

   699             }

   700             my $resultsDir = catdir($expectedDir, dirname($base));

   701             print "new (results generated in $resultsDir)\n";

   702             $atLineStart = 1;

   703         }

   704     } elsif ($actual eq $expected && $diffResult eq "passed") {

   705         if ($verbose) {

   706             print "succeeded\n";

   707             $atLineStart = 1;

   708         }

   709         $result = "match";

   710         deleteExpectedAndActualResults($base);

   711     } else {

   712         $result = "mismatch";

   713 

   714         printFailureMessageForTest($test, $actual eq $expected ? "pixel test failed" : "failed");

   715 

   716         my $dir = "$testResultsDirectory/$base";

   717         $dir =~ s|/([^/]+)$|| or die "Failed to find test name from base\n";

   718         my $testName = $1;

   719         mkpath $dir;

   720 

   721         deleteExpectedAndActualResults($base);

   722         recordActualResultsAndDiff($base, $actual);

   723 

   724         if ($pixelTests && $diffPNG && $diffPNG ne "") {

   725             $imagesPresent{$base} = 1;

   726 

   727             open ACTUAL, ">", "$testResultsDirectory/$base-$actualTag.png" or die;

   728             print ACTUAL $actualPNG;

   729             close ACTUAL;

   730 

   731             open DIFF, ">", "$testResultsDirectory/$base-$diffsTag.png" or die;

   732             print DIFF $diffPNG;

   733             close DIFF;

   734             

   735             copy("$expectedDir/$base-$expectedTag.png", "$testResultsDirectory/$base-$expectedTag.png");

   736 

   737             open DIFFHTML, ">$testResultsDirectory/$base-$diffsTag.html" or die;

   738             print DIFFHTML "<html>\n";

   739             print DIFFHTML "<head>\n";

   740             print DIFFHTML "<title>$base Image Compare</title>\n";

   741             print DIFFHTML "<script language=\"Javascript\" type=\"text/javascript\">\n";

   742             print DIFFHTML "var currentImage = 0;\n";

   743             print DIFFHTML "var imageNames = new Array(\"Actual\", \"Expected\");\n";

   744             print DIFFHTML "var imagePaths = new Array(\"$testName-$actualTag.png\", \"$testName-$expectedTag.png\");\n";

   745             if (-f "$testDirectory/$base-w3c.png") {

   746                 copy("$testDirectory/$base-w3c.png", "$testResultsDirectory/$base-w3c.png");

   747                 print DIFFHTML "imageNames.push(\"W3C\");\n";

   748                 print DIFFHTML "imagePaths.push(\"$testName-w3c.png\");\n";

   749             }

   750             print DIFFHTML "function animateImage() {\n";

   751             print DIFFHTML "    var image = document.getElementById(\"animatedImage\");\n";

   752             print DIFFHTML "    var imageText = document.getElementById(\"imageText\");\n";

   753             print DIFFHTML "    image.src = imagePaths[currentImage];\n";

   754             print DIFFHTML "    imageText.innerHTML = imageNames[currentImage] + \" Image\";\n";

   755             print DIFFHTML "    currentImage = (currentImage + 1) % imageNames.length;\n";

   756             print DIFFHTML "    setTimeout('animateImage()',2000);\n";

   757             print DIFFHTML "}\n";

   758             print DIFFHTML "</script>\n";

   759             print DIFFHTML "</head>\n";

   760             print DIFFHTML "<body onLoad=\"animateImage();\">\n";

   761             print DIFFHTML "<table>\n";

   762             if ($diffPercentage) {

   763                 print DIFFHTML "<tr>\n";

   764                 print DIFFHTML "<td>Difference between images: <a href=\"$testName-$diffsTag.png\">$diffPercentage%</a></td>\n";

   765                 print DIFFHTML "</tr>\n";

   766             }

   767             print DIFFHTML "<tr>\n";

   768             print DIFFHTML "<td id=\"imageText\" style=\"text-weight: bold;\">Actual Image</td>\n";

   769             print DIFFHTML "</tr>\n";

   770             print DIFFHTML "<tr>\n";

   771             print DIFFHTML "<td><img src=\"$testName-$actualTag.png\" id=\"animatedImage\"></td>\n";

   772             print DIFFHTML "</tr>\n";

   773             print DIFFHTML "</table>\n";

   774             print DIFFHTML "</body>\n";

   775             print DIFFHTML "</html>\n";

   776         }

   777     }

   778 

   779     if (($count + 1) % $testsPerDumpTool == 0 || $count == $#tests) {

   780         if ($shouldCheckLeaks) {

   781             my $fileName;

   782             if ($testsPerDumpTool == 1) {

   783                 $fileName = "$testResultsDirectory/$base-leaks.txt";

   784             } else {

   785                 $fileName = "$testResultsDirectory/" . fileNameWithNumber($dumpToolName, $leaksOutputFileNumber) . "-leaks.txt";

   786             }

   787             my $leakCount = countAndPrintLeaks($dumpToolName, $dumpToolPID, $fileName);

   788             $totalLeaks += $leakCount;

   789             $leaksOutputFileNumber++ if ($leakCount);

   790         }

   791 

   792         closeDumpTool();

   793     }

   794 

   795     $count++;

   796     $counts{$result}++;

   797     push @{$tests{$result}}, $test;

   798     $testType{$test} = $isText;

   799 }

   800 printf "\n%0.2fs total testing time\n", (time - $overallStartTime) . "";

   801 

   802 !$isDumpToolOpen || die "Failed to close $dumpToolName.\n";

   803 

   804 closeHTTPD();

   805 

   806 # Because multiple instances of this script are running concurrently we cannot 

   807 # safely delete this symlink.

   808 # system "rm /tmp/LayoutTests";

   809 

   810 # FIXME: Do we really want to check the image-comparison tool for leaks every time?

   811 if ($shouldCheckLeaks && $pixelTests) {

   812     $totalLeaks += countAndPrintLeaks("ImageDiff", $imageDiffToolPID, "$testResultsDirectory/ImageDiff-leaks.txt");

   813 }

   814 

   815 if ($totalLeaks) {

   816     print "\nWARNING: $totalLeaks total leaks found!\n";

   817     print "See above for individual leaks results.\n" if ($leaksOutputFileNumber > 2);

   818 }

   819 

   820 close IN;

   821 close OUT;

   822 close ERROR;

   823 

   824 if ($report10Slowest) {

   825     print "\n\nThe 10 slowest tests:\n\n";

   826     my $count = 0;

   827     for my $test (sort slowestcmp keys %durations) {

   828         printf "%0.2f secs: %s\n", $durations{$test}, $test;

   829         last if ++$count == 10;

   830     }

   831 }

   832 

   833 print "\n";

   834 

   835 if ($skippedOnly && $counts{"match"}) {

   836     print "The following tests are in the Skipped file (" . File::Spec->abs2rel("$platformTestDirectory/Skipped", $testDirectory) . "), but succeeded:\n";

   837     foreach my $test (@{$tests{"match"}}) {

   838         print "  $test\n";

   839     }

   840 }

   841 

   842 if ($resetResults || ($counts{match} && $counts{match} == $count)) {

   843     print "all $count test cases succeeded\n";

   844     unlink $testResults;

   845     exit;

   846 }

   847 

   848 

   849 my %text = (

   850     match => "succeeded",

   851     mismatch => "had incorrect layout",

   852     new => "were new",

   853     crash => "crashed",

   854 );

   855 

   856 for my $type ("match", "mismatch", "new", "crash") {

   857     my $c = $counts{$type};

   858     if ($c) {

   859         my $t = $text{$type};

   860         my $message;

   861         if ($c == 1) {

   862             $t =~ s/were/was/;

   863             $message = sprintf "1 test case (%d%%) %s\n", 1 * 100 / $count, $t;

   864         } else {

   865             $message = sprintf "%d test cases (%d%%) %s\n", $c, $c * 100 / $count, $t;

   866         }

   867         $message =~ s-\(0%\)-(<1%)-;

   868         print $message;

   869     }

   870 }

   871 

   872 mkpath $testResultsDirectory;

   873 

   874 open HTML, ">", $testResults or die;

   875 print HTML "<html>\n";

   876 print HTML "<head>\n";

   877 print HTML "<title>Layout Test Results</title>\n";

   878 print HTML "</head>\n";

   879 print HTML "<body>\n";

   880 

   881 if ($counts{mismatch}) {

   882     print HTML "<p>Tests where results did not match expected results:</p>\n";

   883     print HTML "<table>\n";

   884     for my $test (@{$tests{mismatch}}) {

   885         my $base = stripExtension($test);

   886         print HTML "<tr>\n";            

   887         print HTML "<td><a href=\"" . toURL("$testDirectory/$test") . "\">$test</a></td>\n";

   888         print HTML htmlForExpectedAndActualResults($base);

   889         if ($pixelTests) {

   890             if ($imagesPresent{$base}) {

   891                 print HTML "<td><a href=\"$base-$expectedTag.png\">expected image</a></td>\n";

   892                 print HTML "<td><a href=\"$base-$diffsTag.html\">image diffs</a></td>\n";

   893             } else {

   894                 print HTML "<td></td><td></td>\n";

   895             }            

   896         }

   897         print HTML "</tr>\n";

   898     }

   899     print HTML "</table>\n";

   900 }

   901 

   902 if ($counts{crash}) {

   903     print HTML "<p>Tests that caused the DumpRenderTree tool to crash:</p>\n";

   904     print HTML "<table>\n";

   905     for my $test (@{$tests{crash}}) {

   906         my $base = stripExtension($test);

   907         my $expectedDir = expectedDirectoryForTest($base);

   908         print HTML "<tr>\n";

   909         print HTML "<td><a href=\"" . toURL("$testDirectory/$test") . "\">$base</a></td>\n";

   910         print HTML htmlForExpectedAndActualResults($base);

   911         print HTML "<td><a href=\"$base-$errorTag.txt\">stderr</a></td>\n";

   912         print HTML "</tr>\n";

   913     }

   914     print HTML "</table>\n";

   915 }

   916 

   917 if ($counts{new}) {

   918     print HTML "<p>Tests that had no expected results (probably new):</p>\n";

   919     print HTML "<table>\n";

   920     for my $test (@{$tests{new}}) {

   921         my $base = stripExtension($test);

   922         my $expectedDir = expectedDirectoryForTest($base);

   923         print HTML "<tr>\n";

   924         print HTML "<td><a href=\"" . toURL("$testDirectory/$test") . "\">$base</a></td>\n";

   925         print HTML "<td><a href=\"" . toURL("$expectedDir/$base-$expectedTag.txt") . "\">results</a></td>\n";

   926         if ($pixelTests && -f "$expectedDir/$base-$expectedTag.png") {

   927             print HTML "<td><a href=\"" . toURL("$expectedDir/$base-$expectedTag.png") . "\">image</a></td>\n";

   928         }

   929         print HTML "</tr>\n";

   930     }

   931     print HTML "</table>\n";

   932 }

   933 

   934 print HTML "</body>\n";

   935 print HTML "</html>\n";

   936 close HTML;

   937 

   938 if(isQt()) {

   939   system "konqueror", $testResults if $launchSafari;

   940 } elsif (isCygwin()) {

   941   system "cygstart", $testResults if $launchSafari;

   942 } else {

   943   system "WebKitTools/Scripts/run-safari", $configurationOption, "-NSOpen", $testResults if $launchSafari;

   944 }

   945 

   946 closeCygpaths() if isCygwin();

   947 

   948 exit 1;

   949 

   950 sub countAndPrintLeaks($$$)

   951 {

   952     my ($dumpToolName, $dumpToolPID, $leaksFilePath) = @_;

   953 

   954     print "\n" unless $atLineStart;

   955     $atLineStart = 1;

   956 

   957     # We are excluding the following reported leaks so they don't get in our way when looking for WebKit leaks:

   958 

   959     my @typesToExclude = (

   960     );

   961 

   962     # callStacksToExclude is a list of strings that if are ever seen in a leaks call stack are ignored by this

   963     # script and not reported as leaks.  This allows us ignore known leaks and only be alerted when new leaks occur.

   964     # Some leaks are in the old versions of the system frameworks that are being used by the leaks bots.  Even though

   965     # the leak has been fixed, they will be listed here until the bot has been updated with the newer frameworks.

   966     my @callStacksToExclude = (

   967         "Flash_EnforceLocalSecurity" # leaks in Flash plug-in code, Radar 4449747

   968     );

   969 

   970     # Leak list for the version of Tiger used on the build bot.

   971     if (isTiger()) {

   972         push @callStacksToExclude, (

   973             "CFRunLoopRunSpecific \\| malloc_zone_malloc", "CFRunLoopRunSpecific \\| CFAllocatorAllocate ", # leak in CFRunLoopRunSpecific, Radar 4670839

   974             "CGImageSourceGetPropertiesAtIndex", # leak in ImageIO, Radar 4628809

   975             "FOGetCoveredUnicodeChars", # leak in ATS, Radar 3943604

   976             "GetLineDirectionPreference", "InitUnicodeUtilities", # leaks tool falsely reporting leak in CFNotificationCenterAddObserver, Radar 4964790

   977             "ICCFPrefWrapper::GetPrefDictionary", # leaks in Internet Config. code, Radar 4449794

   978             "NSHTTPURLProtocol setResponseHeader:", # leak in multipart/mixed-replace handling in Foundation, no Radar, but fixed in Leopard

   979             "NSURLCache cachedResponseForRequest", # leak in CFURL cache, Radar 4768430

   980             "PCFragPrepareClosureFromFile", # leak in Code Fragment Manager, Radar 3426998

   981             "WebCore::Selection::toRange", # bug in 'leaks', Radar 4967949

   982             "WebCore::SubresourceLoader::create", # bug in 'leaks', Radar 4985806

   983             "_CFPreferencesDomainDeepCopyDictionary", # leak in CFPreferences, Radar 4220786

   984             "_objc_msgForward", # leak in NSSpellChecker, Radar 4965278

   985             "gldGetString" # leak in OpenGL, Radar 5013699

   986         );

   987         push @typesToExclude, (

   988             "THRD", # bug in 'leaks', Radar 3387783

   989             "DRHT" # ditto (endian little hate i)

   990         );

   991     }

   992 

   993      # Leak list for the version of Leopard used on the build bot.

   994      if (isLeopard()) {

   995         push @callStacksToExclude, (

   996             "CFHTTPMessageAppendBytes", #rdar://problem/5435912 47 leaks possibly under CFHTTPMessageAppendBytes

   997             "sendDidReceiveDataCallback", #<rdar://problem/5441619> 7 possible leaks under sendDidReceiveDataCallback

   998             "_CFHTTPReadStreamReadMark", #<rdar://problem/5441468> 2 leaks in _CFHTTPReadStreamReadMark

   999             "httpProtocolStart", #<rdar://problem/5468837> REGRESSION: 18 leaks in httpProtocolStart

  1000             "_CFURLConnectionSendCallbacks", #<rdar://problem/5441600> 3 leaks under _CFURLConnectionSendCallbacks potentially in 

  1001             "SSLHandshake", #Unsure of the beg number, althout I think one existed and this leak is not on the current version of Leopard

  1002         );

  1003     }

  1004 

  1005     my $leaksTool = sourceDir() . "/WebKitTools/Scripts/run-leaks";

  1006     my $excludeString = "--exclude-callstack '" . (join "' --exclude-callstack '", @callStacksToExclude) . "'";

  1007     $excludeString .= " --exclude-type '" . (join "' --exclude-type '", @typesToExclude) . "'" if @typesToExclude;

  1008 

  1009     print " ? checking for leaks in $dumpToolName\n";

  1010     my $leaksOutput = `$leaksTool $excludeString $dumpToolPID`;

  1011     my ($count, $bytes) = $leaksOutput =~ /Process $dumpToolPID: (\d+) leaks? for (\d+) total/;

  1012     my ($excluded) = $leaksOutput =~ /(\d+) leaks? excluded/;

  1013 

  1014     my $adjustedCount = $count;

  1015     $adjustedCount -= $excluded if $excluded;

  1016 

  1017     if (!$adjustedCount) {

  1018         print " - no leaks found\n";

  1019         unlink $leaksFilePath;

  1020         return 0;

  1021     } else {

  1022         my $dir = $leaksFilePath;

  1023         $dir =~ s|/[^/]+$|| or die;

  1024         mkpath $dir;

  1025 

  1026         if ($excluded) {

  1027             print " + $adjustedCount leaks ($bytes bytes including $excluded excluded leaks) were found, details in $leaksFilePath\n";

  1028         } else {

  1029             print " + $count leaks ($bytes bytes) were found, details in $leaksFilePath\n";

  1030         }

  1031 

  1032         open LEAKS, ">", $leaksFilePath or die;

  1033         print LEAKS $leaksOutput;

  1034         close LEAKS;

  1035     }

  1036 

  1037     return $adjustedCount;

  1038 }

  1039 

  1040 # Break up a path into the directory (with slash) and base name.

  1041 sub splitpath($)

  1042 {

  1043     my ($path) = @_;

  1044 

  1045     my $pathSeparator = "/";

  1046     my $dirname = dirname($path) . $pathSeparator;

  1047     $dirname = "" if $dirname eq "." . $pathSeparator;

  1048 

  1049     return ($dirname, basename($path));

  1050 }

  1051 

  1052 # Sort first by directory, then by file, so all paths in one directory are grouped

  1053 # rather than being interspersed with items from subdirectories.

  1054 # Use numericcmp to sort directory and filenames to make order logical.

  1055 sub pathcmp($$)

  1056 {

  1057     my ($patha, $pathb) = @_;

  1058 

  1059     my ($dira, $namea) = splitpath($patha);

  1060     my ($dirb, $nameb) = splitpath($pathb);

  1061 

  1062     return numericcmp($dira, $dirb) if $dira ne $dirb;

  1063     return numericcmp($namea, $nameb);

  1064 }

  1065 

  1066 # Sort numeric parts of strings as numbers, other parts as strings.

  1067 # Makes 1.33 come after 1.3, which is cool.

  1068 sub numericcmp($$)

  1069 {

  1070     my ($aa, $bb) = @_;

  1071 

  1072     my @a = split /(\d+)/, $aa;

  1073     my @b = split /(\d+)/, $bb;

  1074 

  1075     # Compare one chunk at a time.

  1076     # Each chunk is either all numeric digits, or all not numeric digits.

  1077     while (@a && @b) {

  1078         my $a = shift @a;

  1079         my $b = shift @b;

  1080         

  1081         # Use numeric comparison if chunks are non-equal numbers.

  1082         return $a <=> $b if $a =~ /^\d/ && $b =~ /^\d/ && $a != $b;

  1083 

  1084         # Use string comparison if chunks are any other kind of non-equal string.

  1085         return $a cmp $b if $a ne $b;

  1086     }

  1087     

  1088     # One of the two is now empty; compare lengths for result in this case.

  1089     return @a <=> @b;

  1090 }

  1091 

  1092 # Sort slowest tests first.

  1093 sub slowestcmp($$)

  1094 {

  1095     my ($testa, $testb) = @_;

  1096 

  1097     my $dura = $durations{$testa};

  1098     my $durb = $durations{$testb};

  1099     return $durb <=> $dura if $dura != $durb;

  1100     return pathcmp($testa, $testb);

  1101 }

  1102 

  1103 sub openDumpTool()

  1104 {

  1105     return if $isDumpToolOpen;

  1106 

  1107     # Save some requires variables for the linux environment...

  1108     my $homeDir = $ENV{'HOME'};

  1109     my $libraryPath = $ENV{'LD_LIBRARY_PATH'};

  1110     my $dbusAddress = $ENV{'DBUS_SESSION_BUS_ADDRESS'};

  1111     my $display = $ENV{'DISPLAY'};

  1112     my $testfonts = $ENV{'WEBKIT_TESTFONTS'};

  1113 

  1114     my $homeDrive = $ENV{'HOMEDRIVE'};

  1115     my $homePath = $ENV{'HOMEPATH'};

  1116         

  1117     local %ENV;

  1118     if (isQt()) {

  1119         if (defined $display) {

  1120             $ENV{DISPLAY} = $display;

  1121         } else {

  1122             $ENV{DISPLAY} = ":1";

  1123         }

  1124         $ENV{'WEBKIT_TESTFONTS'} = $testfonts;

  1125         $ENV{HOME} = $homeDir;

  1126         if (defined $libraryPath) {

  1127             $ENV{LD_LIBRARY_PATH} = $libraryPath;

  1128         }

  1129         if (defined $dbusAddress) {

  1130             $ENV{DBUS_SESSION_BUS_ADDRESS} = $dbusAddress;

  1131         }

  1132     }

  1133     $ENV{DYLD_FRAMEWORK_PATH} = $productDir;

  1134     $ENV{XML_CATALOG_FILES} = ""; # work around missing /etc/catalog <rdar://problem/4292995>

  1135     $ENV{MallocStackLogging} = 1 if $shouldCheckLeaks;