/**
* Test that empty expressions don't emit invalid SQL.
*
* @return void
*/
public function testSqlWhenEmpty()
{
$expr = new QueryExpression();
$binder = new ValueBinder();
$result = $expr->sql($binder);
$this->assertEquals('', $result);
}
/**
* Tests that the query expression uses the type map when the
* specific comparison functions are used.
*
* @dataProvider methodsProvider
* @return void
*/
public function testTypeMapUsage($method)
{
$expr = new QueryExpression([], ['created' => 'date']);
$expr->{$method}('created', 'foo');
$binder = new ValueBinder();
$expr->sql($binder);
$bindings = $binder->bindings();
$type = current($bindings)['type'];
$this->assertEquals('date', $type);
}