Cassandra\PagingIntegrationTest::validatePageResults PHP Method

validatePageResults() private method

Page through the results while validating no memory leaks exists
private validatePageResults ( $rows ) : integer
return integer Number of rows visited
    private function validatePageResults($rows)
    {
        // Get the starting memory usage
        $start = memory_get_usage() / 1024;
        if (Integration::isDebug() && Integration::isVerbose()) {
            fprintf(STDOUT, "Start Usage: %dkb" . PHP_EOL, $start);
        }
        // Page over each result set and count the number of rows visited
        $count = $rows->count();
        while ($rows = $rows->nextPage()) {
            if ($rows->count() != 0) {
                $count += $rows->count();
                if (Integration::isDebug() && Integration::isVerbose()) {
                    fprintf(STDOUT, "Page %d: Current memory usage is %dkb" . PHP_EOL, $count / 2, memory_get_usage() / 1024 - $start);
                }
            }
        }
        // Get the final memory usage (and apply a tolerance to compensate for GC)
        $end = memory_get_usage() / 1024;
        if (Integration::isDebug() && Integration::isVerbose()) {
            fprintf(STDOUT, "End Usage: %dkb [%dkb]" . PHP_EOL, $end, $end - $start);
        }
        $difference = $end - $start - 20;
        // 20KB tolerance
        $this->assertLessThanOrEqual(0, $difference);
        // Return the number of rows visited
        return $count;
    }