function testUsePre()
{
SqlFormatter::$use_pre = false;
$actual = SqlFormatter::highlight("test");
$expected = '<span style="color: #333;">test</span>';
$this->assertEquals($actual, $expected);
SqlFormatter::$use_pre = true;
$actual = SqlFormatter::highlight("test");
$expected = '<pre style="color: black; background-color: white;"><span style="color: #333;">test</span></pre>';
$this->assertEquals($actual, $expected);
}
