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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import { assertStrictEquals } from "../testing/asserts.ts";import { RedBlackNode } from "./red_black_node.ts";
Deno.test("[collections/RedBlackNode] constructor and from", () => { const parent: RedBlackNode<number> = new RedBlackNode(null, 5); const child: RedBlackNode<number> = new RedBlackNode(parent, 7); parent.left = child; assertStrictEquals(parent.red, true); parent.red = false; const parentClone: RedBlackNode<number> = RedBlackNode.from(parent); const childClone: RedBlackNode<number> = RedBlackNode.from(child);
assertStrictEquals(parent.parent, null); assertStrictEquals(parent.left, child); assertStrictEquals(parent.right, null); assertStrictEquals(parent.value, 5); assertStrictEquals(parent.red, false);
assertStrictEquals(child.parent, parent); assertStrictEquals(child.left, null); assertStrictEquals(child.right, null); assertStrictEquals(child.value, 7); assertStrictEquals(child.red, true);
assertStrictEquals(parentClone.parent, null); assertStrictEquals(parentClone.left, child); assertStrictEquals(parentClone.right, null); assertStrictEquals(parentClone.value, 5); assertStrictEquals(parentClone.red, false);
assertStrictEquals(childClone.parent, parent); assertStrictEquals(childClone.left, null); assertStrictEquals(childClone.right, null); assertStrictEquals(childClone.value, 7); assertStrictEquals(childClone.red, true);});