corrade-nucleus-nucleons – Blame information for rev 20
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 20 | office | 1 | #!/usr/bin/env node --expose_gc |
| 2 | |||
| 3 | |||
| 4 | var weak = require('weak'); |
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| 5 | var test = require('tap').test |
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| 6 | var LRU = require('../') |
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| 7 | var l = new LRU({ max: 10 }) |
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| 8 | var refs = 0 |
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| 9 | function X() { |
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| 10 | refs ++ |
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| 11 | weak(this, deref) |
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| 12 | } |
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| 13 | |||
| 14 | function deref() { |
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| 15 | refs -- |
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| 16 | } |
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| 17 | |||
| 18 | test('no leaks', function (t) { |
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| 19 | // fill up the cache |
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| 20 | for (var i = 0; i < 100; i++) { |
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| 21 | l.set(i, new X); |
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| 22 | // throw some gets in there, too. |
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| 23 | if (i % 2 === 0) |
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| 24 | l.get(i / 2) |
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| 25 | } |
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| 26 | |||
| 27 | gc() |
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| 28 | |||
| 29 | var start = process.memoryUsage() |
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| 30 | |||
| 31 | // capture the memory |
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| 32 | var startRefs = refs |
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| 33 | |||
| 34 | // do it again, but more |
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| 35 | for (var i = 0; i < 10000; i++) { |
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| 36 | l.set(i, new X); |
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| 37 | // throw some gets in there, too. |
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| 38 | if (i % 2 === 0) |
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| 39 | l.get(i / 2) |
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| 40 | } |
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| 41 | |||
| 42 | gc() |
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| 43 | |||
| 44 | var end = process.memoryUsage() |
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| 45 | t.equal(refs, startRefs, 'no leaky refs') |
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| 46 | |||
| 47 | console.error('start: %j\n' + |
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| 48 | 'end: %j', start, end); |
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| 49 | t.pass(); |
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| 50 | t.end(); |
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| 51 | }) |