node/test/simple/test-stream-ispaused.js

// Copyright Joyent, Inc. and other Node contributors.

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var assert = require('assert');
var common = require('../common');

var stream = require('stream');

var readable = new stream.Readable;

// _read is a noop, here.
readable._read = Function();

// default state of a stream is not "paused"
assert.ok(!readable.isPaused());

// make the stream start flowing...
readable.on('data', Function());

// still not paused.
assert.ok(!readable.isPaused());

readable.pause();
assert.ok(readable.isPaused());
readable.resume();
assert.ok(!readable.isPaused());