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diff --git a/Tools/Scripts/webkitperl/VCSUtils_unittest/parseChunkRange.pl b/Tools/Scripts/webkitperl/VCSUtils_unittest/parseChunkRange.pl
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+++ b/Tools/Scripts/webkitperl/VCSUtils_unittest/parseChunkRange.pl
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+#!/usr/bin/perl -w
+#
+# Copyright (C) 2011 Research In Motion Limited. All rights reserved.
+# 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 VCSUtils::parseChunkRange().
+
+use strict;
+use warnings;
+
+use Test::More;
+use VCSUtils;
+
+my @testCaseHashRefs = (
+###
+# Invalid and malformed chunk range
+##
+# FIXME: We should make this set of tests more comprehensive.
+{ # New test
+ testName => "[invalid] Empty string",
+ inputText => "",
+ expectedReturn => []
+},
+{ # New test
+ testName => "[invalid] Bogus chunk range",
+ inputText => "@@ this is not valid @@",
+ expectedReturn => []
+},
+{ # New test
+ testName => "[invalid] Chunk range missing -/+ prefix",
+ inputText => "@@ 0,0 1,4 @@",
+ expectedReturn => []
+},
+{ # New test
+ testName => "[invalid] Chunk range missing commas",
+ inputText => "@@ -0 0 +1 4 @@",
+ expectedReturn => []
+},
+{ # New test
+ testName => "[invalid] Chunk range with swapped old and rew ranges",
+ inputText => "@@ +0,0 -1,4 @@",
+ expectedReturn => []
+},
+{ # New test
+ testName => "[invalid] Chunk range with leading junk",
+ inputText => "leading junk @@ -0,0 +1,4 @@",
+ expectedReturn => []
+},
+###
+# Simple test cases
+##
+{ # New test
+ testName => "Line count is 0",
+ inputText => "@@ -0,0 +1,4 @@",
+ expectedReturn => [
+{
+ startingLine => 0,
+ lineCount => 0,
+ newStartingLine => 1,
+ newLineCount => 4,
+}
+]
+},
+{ # New test
+ testName => "Line count is 1",
+ inputText => "@@ -1 +1,4 @@",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 1,
+ newStartingLine => 1,
+ newLineCount => 4,
+}
+]
+},
+{ # New test
+ testName => "Both original and new line count is 1",
+ inputText => "@@ -1 +1 @@",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 1,
+ newStartingLine => 1,
+ newLineCount => 1,
+}
+]
+},
+{ # New test
+ testName => "Line count and new line count > 1",
+ inputText => "@@ -1,2 +1,4 @@",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 2,
+ newStartingLine => 1,
+ newLineCount => 4,
+}
+]
+},
+{ # New test
+ testName => "New line count is 0",
+ inputText => "@@ -1,4 +0,0 @@",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 4,
+ newStartingLine => 0,
+ newLineCount => 0,
+}
+]
+},
+{ # New test
+ testName => "New line count is 1",
+ inputText => "@@ -1,4 +1 @@",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 4,
+ newStartingLine => 1,
+ newLineCount => 1,
+}
+]
+},
+###
+# Chunk range followed by ending junk
+##
+{ # New test
+ testName => "Line count is 0 and chunk range has ending junk",
+ inputText => "@@ -0,0 +1,4 @@ foo()",
+ expectedReturn => [
+{
+ startingLine => 0,
+ lineCount => 0,
+ newStartingLine => 1,
+ newLineCount => 4,
+}
+]
+},
+{ # New test
+ testName => "Line count is 1 and chunk range has ending junk",
+ inputText => "@@ -1 +1,4 @@ foo()",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 1,
+ newStartingLine => 1,
+ newLineCount => 4,
+}
+]
+},
+{ # New test
+ testName => "Both original and new line count is 1 and chunk range has ending junk",
+ inputText => "@@ -1 +1 @@ foo()",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 1,
+ newStartingLine => 1,
+ newLineCount => 1,
+}
+]
+},
+{ # New test
+ testName => "Line count and new line count > 1 and chunk range has ending junk",
+ inputText => "@@ -1,2 +1,4 @@ foo()",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 2,
+ newStartingLine => 1,
+ newLineCount => 4,
+}
+]
+},
+{ # New test
+ testName => "New line count is 0 and chunk range has ending junk",
+ inputText => "@@ -1,4 +0,0 @@ foo()",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 4,
+ newStartingLine => 0,
+ newLineCount => 0,
+}
+]
+},
+{ # New test
+ testName => "New line count is 1 and chunk range has ending junk",
+ inputText => "@@ -1,4 +1 @@ foo()",
+ expectedReturn => [
+{
+ startingLine => 1,
+ lineCount => 4,
+ newStartingLine => 1,
+ newLineCount => 1,
+}
+]
+},
+);
+
+my $testCasesCount = @testCaseHashRefs;
+plan(tests => $testCasesCount);
+
+foreach my $testCase (@testCaseHashRefs) {
+ my $testNameStart = "parseChunkRange(): $testCase->{testName}: comparing";
+
+ my @got = VCSUtils::parseChunkRange($testCase->{inputText});
+ my $expectedReturn = $testCase->{expectedReturn};
+
+ is_deeply(\@got, $expectedReturn, "$testNameStart return value.");
+}