Function createExpectedNodes

internal/graph/graph_test.go:161–175

createExpectedNodes creates a slice of expectedNodes from nodes.

(nodes ...*Node)

// createExpectedNodes creates a slice of expectedNodes from nodes.
func createExpectedNodes(nodes ...*Node) ([]expectedNode, NodePtrSet) {
	expected := make([]expectedNode, len(nodes))
	keep := make(NodePtrSet, len(nodes))

	for i, node := range nodes {
		expected[i] = expectedNode{
			node: node,
			in:   make(EdgeMap),
			out:  make(EdgeMap),
		}
		keep[node] = true
	}

	return expected, keep
}

// createExpectedEdges creates directed edges from the parent to each of the
// children.