js-algorithms/data-structures/tests/trie.js
2015-07-24 11:14:18 +04:30

39 lines
711 B
JavaScript

import chai from 'chai';
import {Node, Trie} from '../trie';
chai.should();
test('Construct new Trie', () => {
let trie = new Trie();
trie.root.children.length.should.equal(0);
});
test('Add new parent values', () => {
let trie = new Trie();
trie.add('a');
trie.add('b');
trie.add('c');
trie.add('t');
trie.root.children.length.should.equal(4);
});
test('Adding values with existing parents', () => {
let trie = new Trie();
trie.add('a');
trie.add('ab');
trie.add('aba');
trie.add('abas');
let parent = trie.root;
for (let i = 0; i < 3; i++) {
parent.children.length.should.equal(1);
parent = parent.children[0];
}
parent.children.length.should.equal(0);
});