diff -r 000000000000 -r 4f2f89ce4247 WebKitTools/Scripts/webkitperl/VCSUtils_unittest/parseDiffHeader.pl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/Scripts/webkitperl/VCSUtils_unittest/parseDiffHeader.pl	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,121 @@
+#!/usr/bin/perl -w
+#
+# Copyright (C) 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 Apple Computer, Inc. ("Apple") 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 parseDiffHeader().
+
+use strict;
+use warnings;
+
+use Test::More;
+use VCSUtils;
+
+# The unit tests for parseGitDiffHeader() and parseSvnDiffHeader()
+# already thoroughly test parsing each format.
+#
+# For parseDiffHeader(), it should suffice to verify that -- (1) for each
+# format, the method can return non-trivial values back for each key
+# supported by that format (e.g. "sourceRevision" for SVN), (2) the method
+# correctly sets default values when specific key-values are not set
+# (e.g. undef for "sourceRevision" for Git), and (3) key-values unique to
+# this method are set correctly (e.g. "scmFormat").
+my @testCaseHashRefs = (
+####
+#    SVN test cases
+##
+{   # New test
+    diffName => "SVN: non-trivial copiedFromPath and sourceRevision values",
+    inputText => <<'END',
+Index: index_path.py
+===================================================================
+--- index_path.py	(revision 53048)	(from copied_from_path.py:53048)
++++ index_path.py	(working copy)
+@@ -0,0 +1,7 @@
++# Python file...
+END
+    expectedReturn => [
+{
+    svnConvertedText => <<'END',
+Index: index_path.py
+===================================================================
+--- index_path.py	(revision 53048)	(from copied_from_path.py:53048)
++++ index_path.py	(working copy)
+END
+    copiedFromPath => "copied_from_path.py",
+    indexPath => "index_path.py",
+    isSvn => 1,
+    sourceRevision => 53048,
+},
+"@@ -0,0 +1,7 @@\n"],
+    expectedNextLine => "+# Python file...\n",
+},
+####
+#    Git test cases
+##
+{   # New test case
+    diffName => "Git: Non-zero executable bit",
+    inputText => <<'END',
+diff --git a/foo.exe b/foo.exe
+old mode 100644
+new mode 100755
+END
+    expectedReturn => [
+{
+    svnConvertedText => <<'END',
+Index: foo.exe
+old mode 100644
+new mode 100755
+END
+    executableBitDelta => 1,
+    indexPath => "foo.exe",
+    isGit => 1,
+},
+undef],
+    expectedNextLine => undef,
+},
+);
+
+my $testCasesCount = @testCaseHashRefs;
+plan(tests => 2 * $testCasesCount); # Total number of assertions.
+
+foreach my $testCase (@testCaseHashRefs) {
+    my $testNameStart = "parseDiffHeader(): $testCase->{diffName}: comparing";
+
+    my $fileHandle;
+    open($fileHandle, "<", \$testCase->{inputText});
+    my $line = <$fileHandle>;
+
+    my @got = VCSUtils::parseDiffHeader($fileHandle, $line);
+    my $expectedReturn = $testCase->{expectedReturn};
+
+    is_deeply(\@got, $expectedReturn, "$testNameStart return value.");
+
+    my $gotNextLine = <$fileHandle>;
+    is($gotNextLine, $testCase->{expectedNextLine},  "$testNameStart next read line.");
+}