PHPSA\Variable::incUse PHP Method

    public function incUse()
    {
        $this->incGets();
        $this->incSets();
    }

 public function testIncUse()
 {
     $variable = new Variable('a', null, CompiledExpression::UNKNOWN);
     static::assertSame(0, $variable->getGets());
     static::assertSame(0, $variable->getSets());
     $variable->incUse();
     static::assertSame(1, $variable->getGets());
     static::assertSame(1, $variable->getSets());
     $variable->incUse();
     static::assertSame(2, $variable->getGets());
     static::assertSame(2, $variable->getSets());
     $variable->incUse();
     $variable->incUse();
     static::assertSame(4, $variable->getGets());
     static::assertSame(4, $variable->getSets());
 }