1043 lines
29 KiB
PHP
1043 lines
29 KiB
PHP
<?php declare(strict_types=1);
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/*
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* This file is part of sebastian/diff.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace SebastianBergmann\Diff;
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use PHPUnit\Framework\TestCase;
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use SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder;
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use SebastianBergmann\Diff\Output\DiffOnlyOutputBuilder;
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use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder;
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/**
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* @covers SebastianBergmann\Diff\Differ
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* @covers SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder
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* @covers SebastianBergmann\Diff\Output\DiffOnlyOutputBuilder
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* @covers SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder
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*
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* @uses SebastianBergmann\Diff\MemoryEfficientLongestCommonSubsequenceCalculator
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* @uses SebastianBergmann\Diff\TimeEfficientLongestCommonSubsequenceCalculator
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* @uses SebastianBergmann\Diff\Chunk
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* @uses SebastianBergmann\Diff\Diff
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* @uses SebastianBergmann\Diff\Line
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* @uses SebastianBergmann\Diff\Parser
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*/
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final class DifferTest extends TestCase
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{
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const WARNING = 3;
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const REMOVED = 2;
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const ADDED = 1;
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const OLD = 0;
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/**
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* @var Differ
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*/
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private $differ;
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protected function setUp()
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{
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$this->differ = new Differ;
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}
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/**
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* @param array $expected
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* @param string|array $from
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* @param string|array $to
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* @dataProvider arrayProvider
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*/
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public function testArrayRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation(array $expected, $from, $to)
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{
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$this->assertSame($expected, $this->differ->diffToArray($from, $to, new TimeEfficientLongestCommonSubsequenceCalculator));
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}
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/**
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* @param string $expected
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* @param string $from
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* @param string $to
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* @dataProvider textProvider
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*/
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public function testTextRepresentationOfDiffCanBeRenderedUsingTimeEfficientLcsImplementation(string $expected, string $from, string $to)
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{
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$this->assertSame($expected, $this->differ->diff($from, $to, new TimeEfficientLongestCommonSubsequenceCalculator));
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}
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/**
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* @param array $expected
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* @param string|array $from
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* @param string|array $to
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* @dataProvider arrayProvider
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*/
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public function testArrayRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation(array $expected, $from, $to)
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{
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$this->assertSame($expected, $this->differ->diffToArray($from, $to, new MemoryEfficientLongestCommonSubsequenceCalculator));
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}
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/**
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* @param string $expected
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* @param string $from
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* @param string $to
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* @dataProvider textProvider
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*/
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public function testTextRepresentationOfDiffCanBeRenderedUsingMemoryEfficientLcsImplementation(string $expected, string $from, string $to)
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{
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$this->assertSame($expected, $this->differ->diff($from, $to, new MemoryEfficientLongestCommonSubsequenceCalculator));
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}
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/**
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* @param string $expected
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* @param string $from
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* @param string $to
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* @param string $header
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* @dataProvider headerProvider
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*/
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public function testCustomHeaderCanBeUsed(string $expected, string $from, string $to, string $header)
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{
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$differ = new Differ(new UnifiedDiffOutputBuilder($header));
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$this->assertSame(
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$expected,
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$differ->diff($from, $to)
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);
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}
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public function headerProvider()
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{
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return [
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[
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"CUSTOM HEADER\n@@ @@\n-a\n+b\n",
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'a',
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'b',
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'CUSTOM HEADER'
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],
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[
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"CUSTOM HEADER\n@@ @@\n-a\n+b\n",
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'a',
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'b',
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"CUSTOM HEADER\n"
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],
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[
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"CUSTOM HEADER\n\n@@ @@\n-a\n+b\n",
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'a',
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'b',
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"CUSTOM HEADER\n\n"
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],
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[
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"@@ @@\n-a\n+b\n",
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'a',
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'b',
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''
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],
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];
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}
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public function testTypesOtherThanArrayAndStringCanBePassed()
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{
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$this->assertSame(
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"--- Original\n+++ New\n@@ @@\n-1\n+2\n",
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$this->differ->diff(1, 2)
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);
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}
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/**
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* @param string $diff
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* @param Diff[] $expected
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* @dataProvider diffProvider
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*/
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public function testParser(string $diff, array $expected)
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{
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$parser = new Parser;
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$result = $parser->parse($diff);
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$this->assertEquals($expected, $result);
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}
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public function arrayProvider(): array
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{
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return [
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[
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[
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['a', self::REMOVED],
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['b', self::ADDED]
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],
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'a',
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'b'
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],
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[
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[
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['ba', self::REMOVED],
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['bc', self::ADDED]
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],
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'ba',
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'bc'
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],
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[
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[
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['ab', self::REMOVED],
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['cb', self::ADDED]
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],
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'ab',
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'cb'
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],
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[
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[
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['abc', self::REMOVED],
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['adc', self::ADDED]
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],
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'abc',
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'adc'
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],
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[
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[
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['ab', self::REMOVED],
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['abc', self::ADDED]
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],
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'ab',
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'abc'
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],
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[
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[
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['bc', self::REMOVED],
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['abc', self::ADDED]
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],
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'bc',
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'abc'
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],
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[
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[
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['abc', self::REMOVED],
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['abbc', self::ADDED]
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],
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'abc',
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'abbc'
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],
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[
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[
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['abcdde', self::REMOVED],
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['abcde', self::ADDED]
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],
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'abcdde',
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'abcde'
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],
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'same start' => [
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[
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[17, self::OLD],
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['b', self::REMOVED],
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['d', self::ADDED],
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],
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[30 => 17, 'a' => 'b'],
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[30 => 17, 'c' => 'd'],
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],
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'same end' => [
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[
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[1, self::REMOVED],
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[2, self::ADDED],
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['b', self::OLD],
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],
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[1 => 1, 'a' => 'b'],
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[1 => 2, 'a' => 'b'],
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],
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'same start (2), same end (1)' => [
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[
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[17, self::OLD],
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[2, self::OLD],
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[4, self::REMOVED],
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['a', self::ADDED],
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[5, self::ADDED],
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['x', self::OLD],
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],
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[30 => 17, 1 => 2, 2 => 4, 'z' => 'x'],
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[30 => 17, 1 => 2, 3 => 'a', 2 => 5, 'z' => 'x'],
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],
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'same' => [
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[
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['x', self::OLD],
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],
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['z' => 'x'],
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['z' => 'x'],
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],
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'diff' => [
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[
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['y', self::REMOVED],
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['x', self::ADDED],
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],
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['x' => 'y'],
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['z' => 'x'],
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],
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'diff 2' => [
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[
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['y', self::REMOVED],
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['b', self::REMOVED],
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['x', self::ADDED],
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['d', self::ADDED],
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],
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['x' => 'y', 'a' => 'b'],
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['z' => 'x', 'c' => 'd'],
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],
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'test line diff detection' => [
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[
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[
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"#Warning: Strings contain different line endings!\n",
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self::WARNING,
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],
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[
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"<?php\r\n",
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self::REMOVED,
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],
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[
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"<?php\n",
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self::ADDED,
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],
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],
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"<?php\r\n",
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"<?php\n",
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],
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'test line diff detection in array input' => [
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[
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[
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"#Warning: Strings contain different line endings!\n",
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self::WARNING,
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],
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[
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"<?php\r\n",
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self::REMOVED,
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],
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[
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"<?php\n",
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self::ADDED,
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],
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],
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["<?php\r\n"],
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["<?php\n"],
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],
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];
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}
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public function textProvider(): array
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{
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return [
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[
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"--- Original\n+++ New\n@@ @@\n-a\n+b\n",
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'a',
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'b'
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],
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[
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"--- Original\n+++ New\n@@ @@\n-ba\n+bc\n",
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'ba',
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'bc'
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],
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[
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"--- Original\n+++ New\n@@ @@\n-ab\n+cb\n",
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'ab',
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'cb'
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],
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[
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"--- Original\n+++ New\n@@ @@\n-abc\n+adc\n",
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'abc',
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'adc'
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],
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[
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"--- Original\n+++ New\n@@ @@\n-ab\n+abc\n",
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'ab',
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'abc'
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],
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[
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"--- Original\n+++ New\n@@ @@\n-bc\n+abc\n",
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'bc',
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'abc'
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],
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[
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"--- Original\n+++ New\n@@ @@\n-abc\n+abbc\n",
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'abc',
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'abbc'
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],
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[
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"--- Original\n+++ New\n@@ @@\n-abcdde\n+abcde\n",
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'abcdde',
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'abcde'
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],
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[
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"--- Original\n+++ New\n@@ @@\n-A\n+A1\n",
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"A\nB",
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"A1\nB",
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],
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[
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<<<EOF
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--- Original
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+++ New
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@@ @@
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a
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-b
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+p
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@@ @@
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-j
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+w
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EOF
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,
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"a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk",
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"a\np\nc\nd\ne\nf\ng\nh\ni\nw\nk",
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],
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[
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<<<EOF
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--- Original
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+++ New
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@@ @@
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-A
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+B
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EOF
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,
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"A\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1",
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"B\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1\n1",
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],
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[
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"--- Original\n+++ New\n@@ @@\n #Warning: Strings contain different line endings!\n-<?php\r\n+<?php\n",
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"<?php\r\nA\n",
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"<?php\nA\n",
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],
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[
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"--- Original\n+++ New\n@@ @@\n #Warning: Strings contain different line endings!\n-a\r\n+\n+c\r",
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"a\r\n",
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"\nc\r",
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],
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];
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}
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|
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public function diffProvider(): array
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{
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$serialized_arr = <<<EOL
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a:1:{i:0;O:27:"SebastianBergmann\Diff\Diff":3:{s:33:" |