import assert from 'node:assert';
import { TreapSet } from '../src/misc/treap.js';

describe('TreapSet', function () {
	it('hasInstance', function() {
		let t = new TreapSet();
		assert.equal(t.takeInstance(), null);
		t.insertRaw(2);
		assert.equal(t.takeInstance(), 2);
	});

	it('erase', function () {
		let t = new TreapSet();
		t.insertRaw(2).insertRaw(3).erase(2);
		assert.equal(t.takeInstance(), 3);
	});

	it('forEach', function() {
		let t = new TreapSet();
		t.insertRaw(2).insertRaw(3).insertRaw(-1).insertRaw(0).insertRaw(10);
		let a = [];
		t.forEach(x => a.push(x));
		assert.deepEqual(a, [-1, 0, 2, 3, 10])
	});
});