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'use strict';
var ee = require('../');
module.exports = function (t, a) {
var x = {}, y = {}, z = {}, count, count2, count3, pipe;
ee(x);
x = Object.create(x);
ee(y);
ee(z);
count = 0;
count2 = 0;
count3 = 0;
x.on('foo', function () {
++count;
});
y.on('foo', function () {
++count2;
});
z.on('foo', function () {
++count3;
});
x.emit('foo');
a(count, 1, "Pre pipe, x");
a(count2, 0, "Pre pipe, y");
a(count3, 0, "Pre pipe, z");
pipe = t(x, y);
x.emit('foo');
a(count, 2, "Post pipe, x");
a(count2, 1, "Post pipe, y");
a(count3, 0, "Post pipe, z");
y.emit('foo');
a(count, 2, "Post pipe, on y, x");
a(count2, 2, "Post pipe, on y, y");
a(count3, 0, "Post pipe, on y, z");
t(x, z);
x.emit('foo');
a(count, 3, "Post pipe z, x");
a(count2, 3, "Post pipe z, y");
a(count3, 1, "Post pipe z, z");
pipe.close();
x.emit('foo');
a(count, 4, "Close pipe y, x");
a(count2, 3, "Close pipe y, y");
a(count3, 2, "Close pipe y, z");
};
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