64 lines
1.2 KiB
JavaScript
64 lines
1.2 KiB
JavaScript
'use strict';
|
|
|
|
var test = require('tape');
|
|
var tinyQueue = require('./index');
|
|
|
|
var data = [];
|
|
for (var i = 0; i < 100; i++) {
|
|
data.push(Math.floor(100 * Math.random()));
|
|
}
|
|
|
|
var sorted = data.slice().sort(function (a, b) {
|
|
return a - b;
|
|
});
|
|
|
|
test('maintains a priority queue', function (t) {
|
|
var queue = tinyQueue();
|
|
for (var i = 0; i < data.length; i++) queue.push(data[i]);
|
|
|
|
t.equal(queue.peek(), sorted[0]);
|
|
|
|
var result = [];
|
|
while (queue.length) result.push(queue.pop());
|
|
|
|
t.same(result, sorted);
|
|
|
|
t.end();
|
|
});
|
|
|
|
test('accepts data in constructor', function (t) {
|
|
var queue = tinyQueue(data.slice());
|
|
|
|
var result = [];
|
|
while (queue.length) result.push(queue.pop());
|
|
|
|
t.same(result, sorted);
|
|
|
|
t.end();
|
|
});
|
|
|
|
test('handles edge cases with few elements', function (t) {
|
|
var queue = tinyQueue();
|
|
|
|
queue.push(2);
|
|
queue.push(1);
|
|
queue.pop();
|
|
queue.pop();
|
|
queue.pop();
|
|
queue.push(2);
|
|
queue.push(1);
|
|
t.equal(queue.pop(), 1);
|
|
t.equal(queue.pop(), 2);
|
|
t.equal(queue.pop(), undefined);
|
|
|
|
t.end();
|
|
});
|
|
|
|
test('handles init with empty array', function (t) {
|
|
var queue = tinyQueue([]);
|
|
|
|
t.same(queue.data, []);
|
|
|
|
t.end();
|
|
});
|