Metabor\Callback\SymfonyExpressionTest::testInvokeParametersAreConsecutivelyMappedToKeys PHP Method

    public function testInvokeParametersAreConsecutivelyMappedToKeys()
    {
        $expression = 'a < b';
        $keys = array('a', 'b');
        $callback = new SymfonyExpression($expression, $keys);
        $this->assertEquals($keys, $callback->getKeys());
        $result = $callback->__invoke(2, 3);
        $this->assertTrue($result);
    }