34 lines
715 B
JavaScript
34 lines
715 B
JavaScript
var assert = require('assert');
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var Lazy = require('..');
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var EventEmitter = require('events').EventEmitter;
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function range(i, j) {
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var r = [];
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for (;i<j;i++) r.push(i);
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return r;
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}
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exports.em = function () {
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var em = new EventEmitter;
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var i = 0;
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var iv = setInterval(function () {
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em.emit('data', i++);
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}, 10);
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var caughtDone = 0;
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em.on('pipe', function () { caughtDone ++ });
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var joined = 0;
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Lazy(em).take(10).join(function (xs) {
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assert.deepEqual(xs, range(0, 10));
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clearInterval(iv);
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joined ++;
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});
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setTimeout(function () {
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assert.equal(joined, 1);
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assert.equal(caughtDone, 1);
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}, 500);
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}
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