PhpValueObjects\Spatial\PolygonValueObject::guard()

Complexity

Conditions	7
Paths	8

Size

Total Lines	27
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	16
CRAP Score	7

Importance

Changes

0

<?php
    protected function guard($value)
    {
        if (false === is_array($value)) {
            throw new InvalidPolygonException();
        }

        if (3 > count($value)) {
            throw new InvalidPolygonException();
        }

        $first = $value[0];
        $end = end($value);

        foreach ($value as $point) {
            if (false === is_array($point)) {
                throw new InvalidPolygonException();
            }

            if (2 !== count($point)) {
                throw new InvalidPolygonException();
            }
        }

        if (false === ($first == $end)) {
            throw new InvalidPolygonException();
        }
    }
}