function GraphTest::assertWeights

Verify expected order in a graph.

@internal

Parameters

array $graph: A graph array processed by \Drupal\Component\Graph\Graph::searchAndSort()

array $expected_orders: An array containing lists of vertices in their expected order.

File

core/tests/Drupal/Tests/Component/Graph/GraphTest.php, line 177

Class

GraphTest

@coversDefaultClass \Drupal\Component\Graph\Graph @group Graph

Namespace

Code

protected function assertWeights(array $graph, array $expected_orders) : void {
    foreach ($expected_orders as $order) {
        $previous_vertex = array_shift($order);
        foreach ($order as $vertex) {
            $this->assertLessThan($graph[$vertex]['weight'], $graph[$previous_vertex]['weight'], sprintf("Weight of vertex %s should be less than vertex %s.", $previous_vertex, $vertex));
        }
    }
}