/**
* Tests the hasNestedExpression() function
*
* @return void
*/
public function testHasNestedExpression()
{
$expr = new QueryExpression();
$this->assertFalse($expr->hasNestedExpression());
$expr->add(['a' => 'b']);
$this->assertTrue($expr->hasNestedExpression());
$expr = new QueryExpression();
$expr->add('a = b');
$this->assertFalse($expr->hasNestedExpression());
$expr->add(new QueryExpression('1 = 1'));
$this->assertTrue($expr->hasNestedExpression());
}
