/
test.ts
202 lines (201 loc) · 7.88 KB
/
test.ts
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import { TreeNode } from "../binary-tree-inorder-traversal/TreeNode.ts";
import { assert, assertEquals } from "../deps.ts";
import { Node } from "../n-ary-tree-level-order-traversal/Node.ts";
import { decode, encode } from "./index.ts";
Deno.test("encode-n-ary-tree-to-binary-tree-1", () => {
const examples: { node: Node; tree: TreeNode }[] = [
{
node: new Node(1, [
new Node(2),
new Node(3, [
new Node(6),
new Node(7, [new Node(11, [new Node(14)])]),
]),
new Node(4, [new Node(8, [new Node(12)])]),
new Node(5, [new Node(9, [new Node(13)]), new Node(10)]),
]),
tree: {
val: 1,
left: {
val: 2,
left: null,
right: {
val: 3,
left: {
val: 6,
left: null,
right: {
val: 7,
left: {
val: 11,
left: { val: 14, left: null, right: null },
right: null,
},
right: null,
},
},
right: {
val: 4,
left: {
val: 8,
left: { val: 12, left: null, right: null },
right: null,
},
right: {
val: 5,
left: {
val: 9,
left: { val: 13, left: null, right: null },
right: { val: 10, left: null, right: null },
},
right: null,
},
},
},
},
right: null,
},
},
{
node: new Node(1, [
new Node(3, [new Node(5), new Node(6)]),
new Node(2),
new Node(4),
]),
tree: {
val: 1,
left: {
val: 3,
left: {
val: 5,
left: null,
right: { val: 6, left: null, right: null },
},
right: {
val: 2,
left: null,
right: { val: 4, left: null, right: null },
},
},
right: null,
},
},
];
examples.forEach(({ node: node, tree: tree }) => {
const entree = encode(node);
assertEquals(JSON.stringify(tree), JSON.stringify(entree));
// console.log(JSON.stringify(tree));
const cloned = decode(entree);
assert(node !== cloned);
assertEquals(node, cloned);
});
});
Deno.test("encode-n-ary-tree-to-binary-tree-2", () => {
const root = new Node(1, [
new Node(3, [new Node(5), new Node(6)]),
new Node(2),
new Node(4, [
new Node(13, [
new Node(15),
new Node(16, [
new Node(43, [
new Node(25),
new Node(26, [
new Node(14, [
new Node(23, [
new Node(45),
new Node(46, [
new Node(33, [
new Node(35),
new Node(36),
]),
]),
]),
]),
]),
]),
]),
]),
]),
]);
const entree = encode(root);
const expected = {
val: 1,
left: {
val: 3,
left: {
val: 5,
left: null,
right: { val: 6, left: null, right: null },
},
right: {
val: 2,
left: null,
right: {
val: 4,
left: {
val: 13,
left: {
val: 15,
left: null,
right: {
val: 16,
left: {
val: 43,
left: {
val: 25,
left: null,
right: {
val: 26,
left: {
val: 14,
left: {
val: 23,
left: {
val: 45,
left: null,
right: {
val: 46,
left: {
val: 33,
left: {
val: 35,
left: null,
right: {
val: 36,
left:
null,
right:
null,
},
},
right: null,
},
right: null,
},
},
right: null,
},
right: null,
},
right: null,
},
},
right: null,
},
right: null,
},
},
right: null,
},
right: null,
},
},
},
right: null,
};
assertEquals(JSON.stringify(entree), JSON.stringify(expected));
const cloned = decode(entree);
assert(root !== cloned);
assertEquals(root, cloned);
});