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45 lines
860 B
45 lines
860 B
8 years ago
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { Readable, Writable, Transform } = require('stream');
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{
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const stream = new Readable({
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objectMode: true,
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read: common.mustCall(() => {
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stream.push(undefined);
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stream.push(null);
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})
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});
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stream.on('data', common.mustCall((chunk) => {
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assert.strictEqual(chunk, undefined);
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}));
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}
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{
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const stream = new Writable({
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objectMode: true,
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write: common.mustCall((chunk) => {
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assert.strictEqual(chunk, undefined);
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})
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});
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stream.write(undefined);
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}
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{
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const stream = new Transform({
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objectMode: true,
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transform: common.mustCall((chunk) => {
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stream.push(chunk);
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})
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});
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stream.on('data', common.mustCall((chunk) => {
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assert.strictEqual(chunk, undefined);
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}));
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stream.write(undefined);
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}
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