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3d2aef3979
Use assert.strictEqual instead of assert.equal in tests, manually convert types where necessary. PR-URL: https://github.com/nodejs/node/pull/10698 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const zlib = require('zlib');
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const bigData = Buffer.alloc(10240, 'x');
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const opts = {
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level: 0,
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highWaterMark: 16
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};
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const deflater = zlib.createDeflate(opts);
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// shim deflater.flush so we can count times executed
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let flushCount = 0;
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let drainCount = 0;
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const flush = deflater.flush;
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deflater.flush = function(kind, callback) {
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flushCount++;
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flush.call(this, kind, callback);
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};
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deflater.write(bigData);
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const ws = deflater._writableState;
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const beforeFlush = ws.needDrain;
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let afterFlush = ws.needDrain;
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deflater.flush(function(err) {
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afterFlush = ws.needDrain;
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});
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deflater.on('drain', function() {
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drainCount++;
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});
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process.once('exit', function() {
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assert.strictEqual(beforeFlush, true, 'before calling flush, writable ' +
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'stream should need to drain');
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assert.strictEqual(afterFlush, false, 'after calling flush, writable ' +
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'stream should not need to drain');
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assert.strictEqual(drainCount, 1,
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'the deflater should have emitted a single drain event');
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assert.strictEqual(flushCount, 2,
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'flush should be called twice');
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});
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