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- <?php
- namespace Drupal\Tests\Component\Diff\Engine;
- use Drupal\Component\Diff\Engine\HWLDFWordAccumulator;
- use PHPUnit\Framework\TestCase;
- /**
- * Test HWLDFWordAccumulator.
- *
- * @coversDefaultClass \Drupal\Component\Diff\Engine\HWLDFWordAccumulator
- *
- * @group Diff
- */
- class HWLDFWordAccumulatorTest extends TestCase {
- /**
- * Verify that we only get back a NBSP from an empty accumulator.
- *
- * @covers ::getLines
- *
- * @see Drupal\Component\Diff\Engine\HWLDFWordAccumulator::NBSP
- */
- public function testGetLinesEmpty() {
- $acc = new HWLDFWordAccumulator();
- $this->assertEquals([' '], $acc->getLines());
- }
- /**
- * @return array
- * - Expected array of lines from getLines().
- * - Array of strings for the $words parameter to addWords().
- * - String tag for the $tag parameter to addWords().
- */
- public function provideAddWords() {
- return [
- [['wordword2'], ['word', 'word2'], 'tag'],
- [['word', 'word2'], ['word', "\nword2"], 'tag'],
- [[' ', 'word2'], ['', "\nword2"], 'tag'],
- ];
- }
- /**
- * @covers ::addWords
- * @dataProvider provideAddWords
- */
- public function testAddWords($expected, $words, $tag) {
- $acc = new HWLDFWordAccumulator();
- $acc->addWords($words, $tag);
- $this->assertEquals($expected, $acc->getLines());
- }
- }
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