}
}
+ /**
+ * Tests that two files can be successfully diffed.
+ *
+ * @covers ::diff
+ */
+ public function testDiffInfiniteLoop() {
+ $from = explode("\n", file_get_contents(__DIR__ . '/fixtures/file1.txt'));
+ $to = explode("\n", file_get_contents(__DIR__ . '/fixtures/file2.txt'));
+ $diff_engine = new DiffEngine();
+ $diff = $diff_engine->diff($from, $to);
+ $this->assertCount(4, $diff);
+ $this->assertEquals($diff[0], new DiffOpDelete([' - image.style.max_650x650']));
+ $this->assertEquals($diff[1], new DiffOpCopy([' - image.style.max_325x325']));
+ $this->assertEquals($diff[2], new DiffOpAdd([' - image.style.max_650x650', '_core:', ' default_config_hash: 3mjM9p-kQ8syzH7N8T0L9OnCJDSPvHAZoi3q6jcXJKM']));
+ $this->assertEquals($diff[3], new DiffOpCopy(['fallback_image_style: max_325x325', '']));
+ }
+
}