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50 lines
879 B
50 lines
879 B
#!/usr/bin/env node --expose_gc
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var weak = require('weak');
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var test = require('tap').test
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var LRU = require('../')
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var l = new LRU({ max: 10 })
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var refs = 0
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function X() {
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refs ++
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weak(this, deref)
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}
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function deref() {
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refs --
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}
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test('no leaks', function (t) {
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// fill up the cache
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for (var i = 0; i < 100; i++) {
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l.set(i, new X);
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// throw some gets in there, too.
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if (i % 2 === 0)
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l.get(i / 2)
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}
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gc()
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var start = process.memoryUsage()
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// capture the memory
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var startRefs = refs
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// do it again, but more
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for (var i = 0; i < 10000; i++) {
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l.set(i, new X);
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// throw some gets in there, too.
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if (i % 2 === 0)
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l.get(i / 2)
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}
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gc()
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var end = process.memoryUsage()
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t.equal(refs, startRefs, 'no leaky refs')
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console.error('start: %j\n' +
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'end: %j', start, end);
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t.pass();
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t.end();
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})
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