diff -r 000000000000 -r 4f2f89ce4247 WebKitTools/Scripts/webkitperl/VCSUtils_unittest/runPatchCommand.pl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/Scripts/webkitperl/VCSUtils_unittest/runPatchCommand.pl	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,92 @@
+#!/usr/bin/perl
+#
+# Copyright (C) 2009, 2010 Chris Jerdonek (chris.jerdonek@gmail.com)
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * 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.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "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 THE COPYRIGHT
+# OWNER 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.
+
+# Unit tests of VCSUtils::runPatchCommand().
+
+use Test::Simple tests => 4;
+use VCSUtils;
+
+# New test
+$title = "runPatchCommand: Unsuccessful patch, forcing.";
+
+# Since $patch has no "Index:" path, passing this to runPatchCommand
+# should not affect any files.
+my $patch = <<'END';
+Garbage patch contents
+END
+
+# We call via callSilently() to avoid output like the following to STDERR:
+# patch: **** Only garbage was found in the patch input.
+$argsHashRef = {ensureForce => 1};
+$exitStatus = callSilently(\&runPatchCommand, $patch, ".", "file_to_patch.txt", $argsHashRef);
+
+ok($exitStatus != 0, $title);
+
+# New test
+$title = "runPatchCommand: New file, --dry-run.";
+
+# This file should not exist after the tests, but we take care with the
+# file name and contents just in case.
+my $fileToPatch = "temp_OK_TO_ERASE__README_FOR_MORE.txt";
+$patch = <<END;
+Index: $fileToPatch
+===================================================================
+--- $fileToPatch	(revision 0)
++++ $fileToPatch	(revision 0)
+@@ -0,0 +1,5 @@
++This is a test file for WebKitTools/Scripts/VCSUtils_unittest.pl.
++This file should not have gotten created on your system.
++If it did, some unit tests don't seem to be working quite right:
++It would be great if you could file a bug report. Thanks!
++---------------------------------------------------------------------
+END
+
+# --dry-run prevents creating any files.
+# --silent suppresses the success message to STDOUT.
+$argsHashRef = {options => ["--dry-run", "--silent"]};
+$exitStatus = runPatchCommand($patch, ".", $fileToPatch, $argsHashRef);
+
+ok($exitStatus == 0, $title);
+
+# New test
+$title = "runPatchCommand: New file: \"$fileToPatch\".";
+
+$argsHashRef = {options => ["--silent"]};
+$exitStatus = runPatchCommand($patch, ".", $fileToPatch, $argsHashRef);
+
+ok($exitStatus == 0, $title);
+
+# New test
+$title = "runPatchCommand: Reverse new file (clean up previous).";
+
+$argsHashRef = {shouldReverse => 1,
+                options => ["--silent", "--remove-empty-files"]}; # To clean up.
+$exitStatus = runPatchCommand($patch, ".", $fileToPatch, $argsHashRef);
+ok($exitStatus == 0, $title);