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nodejs/test/parallel/test-freelist.js
Sakthipriyan Vairamani fef87fee1d lib,test: add freelist deprecation and test
As per the dicussion in https://github.com/nodejs/io.js/issues/569,
this patch issues a deprecation warning when freelist module is
required. A test file for freelist is also added.

PR-URL: https://github.com/nodejs/io.js/pull/2176
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>
2015-07-17 19:48:31 -07:00

34 lines
1.0 KiB
JavaScript

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