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'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');
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