61 lines
1.3 KiB
JavaScript
61 lines
1.3 KiB
JavaScript
'use strict';
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require('../common');
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const { Readable } = require('stream');
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const assert = require('assert');
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{
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// Call .setEncoding() while there are bytes already in the buffer.
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const r = new Readable({ read() {} });
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r.push(Buffer.from('a'));
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r.push(Buffer.from('b'));
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r.setEncoding('utf8');
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const chunks = [];
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r.on('data', (chunk) => chunks.push(chunk));
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process.nextTick(() => {
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assert.deepStrictEqual(chunks, ['ab']);
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});
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}
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{
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// Call .setEncoding() while the buffer contains a complete,
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// but chunked character.
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const r = new Readable({ read() {} });
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r.push(Buffer.from([0xf0]));
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r.push(Buffer.from([0x9f]));
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r.push(Buffer.from([0x8e]));
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r.push(Buffer.from([0x89]));
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r.setEncoding('utf8');
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const chunks = [];
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r.on('data', (chunk) => chunks.push(chunk));
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process.nextTick(() => {
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assert.deepStrictEqual(chunks, ['🎉']);
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});
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}
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{
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// Call .setEncoding() while the buffer contains an incomplete character,
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// and finish the character later.
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const r = new Readable({ read() {} });
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r.push(Buffer.from([0xf0]));
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r.push(Buffer.from([0x9f]));
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r.setEncoding('utf8');
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r.push(Buffer.from([0x8e]));
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r.push(Buffer.from([0x89]));
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const chunks = [];
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r.on('data', (chunk) => chunks.push(chunk));
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process.nextTick(() => {
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assert.deepStrictEqual(chunks, ['🎉']);
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});
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}
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