/** * Test first line deletion side comparison */ public function testFirstLineDeletionSideComparison() { $text1 = "line 1\nline 2\nline 3"; $text2 = "line 2\nline 3"; $diff = Versioned::side_diff($text1, $text2); $old = implode("\n", $diff['old']); $new = implode("\n", $diff['new']); $this->assertRegExp('/^<li> <\\/li>/', $new); $this->assertRegExp('/<li class="deleted">line 1<\\/li>/', $old); }