node/test/parallel/test-freelist.js
Rich Trott ff2ed3ec85 http: remove unused hasItems() from freelist
Remove the hasItems() method from freelist module as it is unused
internally.

PR-URL: https://github.com/nodejs/node/pull/30744
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Weijia Wang <starkwang@126.com>
2019-12-03 15:00:45 -08:00

31 lines
951 B
JavaScript

'use strict';
// Flags: --expose-internals
require('../common');
const assert = require('assert');
const FreeList = require('internal/freelist');
assert.strictEqual(typeof FreeList, 'function');
const flist1 = new FreeList('flist1', 3, Object);
// Allocating when empty, should not change the list size
const result = flist1.alloc();
assert.strictEqual(typeof result, 'object');
assert.strictEqual(flist1.list.length, 0);
// Exhaust the free list
assert(flist1.free({ id: 'test1' }));
assert(flist1.free({ id: 'test2' }));
assert(flist1.free({ id: 'test3' }));
// Now it should not return 'true', as max length is exceeded
assert.strictEqual(flist1.free({ id: 'test4' }), false);
assert.strictEqual(flist1.free({ id: 'test5' }), false);
// At this point 'alloc' should just return the stored values
assert.strictEqual(flist1.alloc().id, 'test3');
assert.strictEqual(flist1.alloc().id, 'test2');
assert.strictEqual(flist1.alloc().id, 'test1');