| 1 | 'use strict';
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| 2 |
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| 3 | var ee = require('../');
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| 4 |
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| 5 | module.exports = function (t, a) {
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| 6 | var x = {}, y = {}, z = {}, count, count2, count3, pipe;
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| 7 |
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| 8 | ee(x);
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| 9 | x = Object.create(x);
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| 10 | ee(y);
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| 11 | ee(z);
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| 12 |
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| 13 | count = 0;
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| 14 | count2 = 0;
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| 15 | count3 = 0;
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| 16 | x.on('foo', function () {
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| 17 | ++count;
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| 18 | });
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| 19 | y.on('foo', function () {
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| 20 | ++count2;
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| 21 | });
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| 22 | z.on('foo', function () {
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| 23 | ++count3;
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| 24 | });
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| 25 |
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| 26 | x.emit('foo');
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| 27 | a(count, 1, "Pre pipe, x");
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| 28 | a(count2, 0, "Pre pipe, y");
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| 29 | a(count3, 0, "Pre pipe, z");
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| 30 |
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| 31 | pipe = t(x, y);
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| 32 | x.emit('foo');
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| 33 | a(count, 2, "Post pipe, x");
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| 34 | a(count2, 1, "Post pipe, y");
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| 35 | a(count3, 0, "Post pipe, z");
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| 36 |
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| 37 | y.emit('foo');
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| 38 | a(count, 2, "Post pipe, on y, x");
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| 39 | a(count2, 2, "Post pipe, on y, y");
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| 40 | a(count3, 0, "Post pipe, on y, z");
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| 41 |
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| 42 | t(x, z);
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| 43 | x.emit('foo');
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| 44 | a(count, 3, "Post pipe z, x");
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| 45 | a(count2, 3, "Post pipe z, y");
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| 46 | a(count3, 1, "Post pipe z, z");
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| 47 |
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| 48 | pipe.close();
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| 49 | x.emit('foo');
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| 50 | a(count, 4, "Close pipe y, x");
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| 51 | a(count2, 3, "Close pipe y, y");
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| 52 | a(count3, 2, "Close pipe y, z");
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| 53 | };
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