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// Flags: --no-warnings
'use strict';
const common = require('../common');
const assert = require('assert');
const {
TextEncoderStream,
TextDecoderStream,
} = require('stream/web');
const kEuroBytes = Buffer.from([0xe2, 0x82, 0xac]);
const kEuro = Buffer.from([0xe2, 0x82, 0xac]).toString();
[1, false, [], {}, 'hello'].forEach((i) => {
assert.throws(() => new TextDecoderStream(i), {
code: 'ERR_ENCODING_NOT_SUPPORTED',
});
});
[1, false, 'hello'].forEach((i) => {
assert.throws(() => new TextDecoderStream(undefined, i), {
code: 'ERR_INVALID_ARG_TYPE',
});
});
{
const tds = new TextDecoderStream();
const writer = tds.writable.getWriter();
const reader = tds.readable.getReader();
reader.read().then(common.mustCall(({ value, done }) => {
assert(!done);
assert.strictEqual(kEuro, value);
reader.read().then(common.mustCall(({ done }) => {
assert(done);
}));
}));
Promise.all([
writer.write(kEuroBytes.slice(0, 1)),
writer.write(kEuroBytes.slice(1, 2)),
writer.write(kEuroBytes.slice(2, 3)),
writer.close(),
]).then(common.mustCall());
assert.strictEqual(tds.encoding, 'utf-8');
assert.strictEqual(tds.fatal, false);
assert.strictEqual(tds.ignoreBOM, false);
assert.throws(
() => Reflect.get(TextDecoderStream.prototype, 'encoding', {}), {
code: 'ERR_INVALID_THIS',
});
assert.throws(
() => Reflect.get(TextDecoderStream.prototype, 'fatal', {}), {
code: 'ERR_INVALID_THIS',
});
assert.throws(
() => Reflect.get(TextDecoderStream.prototype, 'ignoreBOM', {}), {
code: 'ERR_INVALID_THIS',
});
assert.throws(
() => Reflect.get(TextDecoderStream.prototype, 'readable', {}), {
code: 'ERR_INVALID_THIS',
});
assert.throws(
() => Reflect.get(TextDecoderStream.prototype, 'writable', {}), {
code: 'ERR_INVALID_THIS',
});
}
{
const tds = new TextEncoderStream();
const writer = tds.writable.getWriter();
const reader = tds.readable.getReader();
reader.read().then(common.mustCall(({ value, done }) => {
assert(!done);
const buf = Buffer.from(value.buffer, value.byteOffset, value.byteLength);
assert.deepStrictEqual(kEuroBytes, buf);
reader.read().then(common.mustCall(({ done }) => {
assert(done);
}));
}));
Promise.all([
writer.write(kEuro),
writer.close(),
]).then(common.mustCall());
assert.strictEqual(tds.encoding, 'utf-8');
assert.throws(
() => Reflect.get(TextEncoderStream.prototype, 'encoding', {}), {
code: 'ERR_INVALID_THIS',
});
assert.throws(
() => Reflect.get(TextEncoderStream.prototype, 'readable', {}), {
code: 'ERR_INVALID_THIS',
});
assert.throws(
() => Reflect.get(TextEncoderStream.prototype, 'writable', {}), {
code: 'ERR_INVALID_THIS',
});
}
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