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53 lines
1.4 KiB
53 lines
1.4 KiB
var t = require('assert');
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var RefCounter = require('../../lib/tools/ref-counter');
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function noop() {}
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module.exports = {
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'RefCounter': {
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'is an object': function() {
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t.equal(typeof(RefCounter), 'function');
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},
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'should become active when incremented': function(next) {
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var refCounter = new RefCounter(function() { next(); }, noop);
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refCounter.increment();
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},
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'should become inactive when incremented and decremented': function(next) {
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var refCounter = new RefCounter(noop, function() { next(); });
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refCounter.increment();
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setImmediate(function() {
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refCounter.decrement();
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});
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},
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'should support multiple accesses': function(next) {
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var refCounter = new RefCounter(noop, function() { next(); });
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refCounter.increment();
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refCounter.increment();
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refCounter.decrement();
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setImmediate(function() {
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refCounter.decrement();
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});
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},
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'should be reusable': function(next) {
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var numActives = 0;
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var numPassives = 0;
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var refCounter = new RefCounter(function() {
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numActives += 1;
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}, function() {
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numPassives += 1;
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if (numActives === 2 && numPassives === 2) {
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next();
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}
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});
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refCounter.increment();
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refCounter.decrement();
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refCounter.increment();
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refCounter.decrement();
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}
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}
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};
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