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