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66 lines
1.4 KiB
66 lines
1.4 KiB
'use strict' |
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var test = require('tape') |
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var reusify = require('./') |
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test('reuse objects', function (t) { |
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t.plan(6) |
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function MyObject () { |
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t.pass('constructor called') |
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this.next = null |
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} |
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var instance = reusify(MyObject) |
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var obj = instance.get() |
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t.notEqual(obj, instance.get(), 'two instance created') |
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t.notOk(obj.next, 'next must be null') |
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instance.release(obj) |
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// the internals keeps a hot copy ready for reuse |
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// putting this one back in the queue |
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instance.release(instance.get()) |
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// comparing the old one with the one we got |
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// never do this in real code, after release you |
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// should never reuse that instance |
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t.equal(obj, instance.get(), 'instance must be reused') |
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}) |
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test('reuse more than 2 objects', function (t) { |
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function MyObject () { |
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t.pass('constructor called') |
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this.next = null |
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} |
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var instance = reusify(MyObject) |
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var obj = instance.get() |
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var obj2 = instance.get() |
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var obj3 = instance.get() |
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t.notOk(obj.next, 'next must be null') |
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t.notOk(obj2.next, 'next must be null') |
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t.notOk(obj3.next, 'next must be null') |
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t.notEqual(obj, obj2) |
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t.notEqual(obj, obj3) |
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t.notEqual(obj3, obj2) |
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instance.release(obj) |
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instance.release(obj2) |
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instance.release(obj3) |
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// skip one |
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instance.get() |
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var obj4 = instance.get() |
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var obj5 = instance.get() |
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var obj6 = instance.get() |
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t.equal(obj4, obj) |
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t.equal(obj5, obj2) |
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t.equal(obj6, obj3) |
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t.end() |
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})
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