Best JavaScript code snippet using wpt
writable-stream.js
Source:writable-stream.js
...161 const state = stream._state;162 if (state === 'writable' || state === 'closing') {163 defaultWriterClosedPromiseInitialize(this);164 } else if (state === 'closed') {165 defaultWriterClosedPromiseInitializeAsResolved(this);166 } else {167 assert(state === 'errored', 'state must be errored');168 defaultWriterClosedPromiseInitializeAsRejected(this, stream._storedError);169 this._closedPromise.catch(() => {});170 }171 if (state === 'writable' &&172 WritableStreamDefaultControllerGetBackpressure(stream._writableStreamController) === true) {173 defaultWriterReadyPromiseInitialize(this);174 } else {175 defaultWriterReadyPromiseInitializeAsResolved(this, undefined);176 }177 }178 get closed() {179 if (IsWritableStreamDefaultWriter(this) === false) {180 return Promise.reject(defaultWriterBrandCheckException('closed'));181 }182 return this._closedPromise;183 }184 get desiredSize() {185 if (IsWritableStreamDefaultWriter(this) === false) {186 throw defaultWriterBrandCheckException('desiredSize');187 }188 if (this._ownerWritableStream === undefined) {189 throw defaultWriterLockException('desiredSize');190 }191 return WritableStreamDefaultWriterGetDesiredSize(this);192 }193 get ready() {194 if (IsWritableStreamDefaultWriter(this) === false) {195 return Promise.reject(defaultWriterBrandCheckException('ready'));196 }197 return this._readyPromise;198 }199 abort(reason) {200 if (IsWritableStreamDefaultWriter(this) === false) {201 return Promise.reject(defaultWriterBrandCheckException('abort'));202 }203 if (this._ownerWritableStream === undefined) {204 return Promise.reject(defaultWriterLockException('abort'));205 }206 return WritableStreamDefaultWriterAbort(this, reason);207 }208 close() {209 if (IsWritableStreamDefaultWriter(this) === false) {210 return Promise.reject(defaultWriterBrandCheckException('close'));211 }212 const stream = this._ownerWritableStream;213 if (stream === undefined) {214 return Promise.reject(defaultWriterLockException('close'));215 }216 if (stream._state === 'closing') {217 return Promise.reject(new TypeError('cannot close an already-closing stream'));218 }219 return WritableStreamDefaultWriterClose(this);220 }221 releaseLock() {222 if (IsWritableStreamDefaultWriter(this) === false) {223 throw defaultWriterBrandCheckException('releaseLock');224 }225 const stream = this._ownerWritableStream;226 if (stream === undefined) {227 return;228 }229 assert(stream._writer !== undefined);230 WritableStreamDefaultWriterRelease(this);231 }232 write(chunk) {233 if (IsWritableStreamDefaultWriter(this) === false) {234 return Promise.reject(defaultWriterBrandCheckException('write'));235 }236 const stream = this._ownerWritableStream;237 if (stream === undefined) {238 return Promise.reject(defaultWriterLockException('write to'));239 }240 if (stream._state === 'closing') {241 return Promise.reject(new TypeError('Cannot write to an already-closed stream'));242 }243 return WritableStreamDefaultWriterWrite(this, chunk);244 }245}246// Abstract operations for the WritableStreamDefaultWriter.247function IsWritableStreamDefaultWriter(x) {248 if (!typeIsObject(x)) {249 return false;250 }251 if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {252 return false;253 }254 return true;255}256// A client of WritableStreamDefaultWriter may use these functions directly to bypass state check.257function WritableStreamDefaultWriterAbort(writer, reason) {258 const stream = writer._ownerWritableStream;259 assert(stream !== undefined);260 return WritableStreamAbort(stream, reason);261}262function WritableStreamDefaultWriterClose(writer) {263 const stream = writer._ownerWritableStream;264 assert(stream !== undefined);265 const state = stream._state;266 if (state === 'closed' || state === 'errored') {267 return Promise.reject(new TypeError(268 `The stream (in ${state} state) is not in the writable state and cannot be closed`));269 }270 assert(state === 'writable');271 const promise = WritableStreamAddWriteRequest(stream);272 if (WritableStreamDefaultControllerGetBackpressure(stream._writableStreamController) === true) {273 defaultWriterReadyPromiseResolve(writer);274 }275 stream._state = 'closing';276 WritableStreamDefaultControllerClose(stream._writableStreamController);277 return promise;278}279function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {280 const stream = writer._ownerWritableStream;281 assert(stream !== undefined);282 const state = stream._state;283 if (state === 'closing' || state === 'closed') {284 return Promise.resolve();285 }286 if (state === 'errored') {287 return Promise.reject(stream._storedError);288 }289 assert(state === 'writable');290 return WritableStreamDefaultWriterClose(writer);291}292function WritableStreamDefaultWriterGetDesiredSize(writer) {293 const stream = writer._ownerWritableStream;294 const state = stream._state;295 if (state === 'errored') {296 return null;297 }298 if (state === 'closed') {299 return 0;300 }301 return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);302}303function WritableStreamDefaultWriterRelease(writer) {304 const stream = writer._ownerWritableStream;305 assert(stream !== undefined);306 assert(stream._writer === writer);307 const releasedError = new TypeError(308 'Writer was released and can no longer be used to monitor the stream\'s closedness');309 const state = stream._state;310 if (state === 'writable' || state === 'closing') {311 defaultWriterClosedPromiseReject(writer, releasedError);312 } else {313 defaultWriterClosedPromiseResetToRejected(writer, releasedError);314 }315 writer._closedPromise.catch(() => {});316 if (state === 'writable' &&317 WritableStreamDefaultControllerGetBackpressure(stream._writableStreamController) === true) {318 defaultWriterReadyPromiseReject(writer, releasedError);319 } else {320 defaultWriterReadyPromiseResetToRejected(writer, releasedError);321 }322 writer._readyPromise.catch(() => {});323 stream._writer = undefined;324 writer._ownerWritableStream = undefined;325}326function WritableStreamDefaultWriterWrite(writer, chunk) {327 const stream = writer._ownerWritableStream;328 assert(stream !== undefined);329 const state = stream._state;330 if (state === 'closed' || state === 'errored') {331 return Promise.reject(new TypeError(332 `The stream (in ${state} state) is not in the writable state and cannot be written to`));333 }334 assert(state === 'writable');335 const promise = WritableStreamAddWriteRequest(stream);336 WritableStreamDefaultControllerWrite(stream._writableStreamController, chunk);337 return promise;338}339class WritableStreamDefaultController {340 constructor(stream, underlyingSink, size, highWaterMark) {341 if (IsWritableStream(stream) === false) {342 throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance');343 }344 if (stream._writableStreamController !== undefined) {345 throw new TypeError(346 'WritableStreamDefaultController instances can only be created by the WritableStream constructor');347 }348 this._controlledWritableStream = stream;349 this._underlyingSink = underlyingSink;350 this._queue = [];351 this._started = false;352 this._writing = false;353 const normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);354 this._strategySize = normalizedStrategy.size;355 this._strategyHWM = normalizedStrategy.highWaterMark;356 const backpressure = WritableStreamDefaultControllerGetBackpressure(this);357 if (backpressure === true) {358 WritableStreamUpdateBackpressure(stream, backpressure);359 }360 const controller = this;361 const startResult = InvokeOrNoop(underlyingSink, 'start', [this]);362 Promise.resolve(startResult).then(363 () => {364 controller._started = true;365 WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);366 },367 r => {368 WritableStreamDefaultControllerErrorIfNeeded(controller, r);369 }370 )371 .catch(rethrowAssertionErrorRejection);372 }373 error(e) {374 if (IsWritableStreamDefaultController(this) === false) {375 throw new TypeError(376 'WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');377 }378 const state = this._controlledWritableStream._state;379 if (state === 'closed' || state === 'errored') {380 throw new TypeError(`The stream is ${state} and so cannot be errored`);381 }382 WritableStreamDefaultControllerError(this, e);383 }384}385// Abstract operations implementing interface required by the WritableStream.386function WritableStreamDefaultControllerAbort(controller, reason) {387 controller._queue = [];388 const sinkAbortPromise = PromiseInvokeOrFallbackOrNoop(controller._underlyingSink, 'abort', [reason],389 'close', [controller]);390 return sinkAbortPromise.then(() => undefined);391}392function WritableStreamDefaultControllerClose(controller) {393 EnqueueValueWithSize(controller._queue, 'close', 0);394 WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);395}396function WritableStreamDefaultControllerGetDesiredSize(controller) {397 const queueSize = GetTotalQueueSize(controller._queue);398 return controller._strategyHWM - queueSize;399}400function WritableStreamDefaultControllerWrite(controller, chunk) {401 const stream = controller._controlledWritableStream;402 assert(stream._state === 'writable');403 let chunkSize = 1;404 if (controller._strategySize !== undefined) {405 try {406 chunkSize = controller._strategySize(chunk);407 } catch (chunkSizeE) {408 // TODO: Should we notify the sink of this error?409 WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);410 return;411 }412 }413 const writeRecord = { chunk };414 const lastBackpressure = WritableStreamDefaultControllerGetBackpressure(controller);415 try {416 EnqueueValueWithSize(controller._queue, writeRecord, chunkSize);417 } catch (enqueueE) {418 WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);419 return;420 }421 if (stream._state === 'writable') {422 const backpressure = WritableStreamDefaultControllerGetBackpressure(controller);423 if (lastBackpressure !== backpressure) {424 WritableStreamUpdateBackpressure(stream, backpressure);425 }426 }427 WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);428}429// Abstract operations for the WritableStreamDefaultController.430function IsWritableStreamDefaultController(x) {431 if (!typeIsObject(x)) {432 return false;433 }434 if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) {435 return false;436 }437 return true;438}439function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {440 if (controller._controlledWritableStream._state === 'closed' ||441 controller._controlledWritableStream._state === 'errored') {442 return;443 }444 if (controller._started === false) {445 return;446 }447 if (controller._writing === true) {448 return;449 }450 if (controller._queue.length === 0) {451 return;452 }453 const writeRecord = PeekQueueValue(controller._queue);454 if (writeRecord === 'close') {455 WritableStreamDefaultControllerProcessClose(controller);456 } else {457 WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);458 }459}460function WritableStreamDefaultControllerErrorIfNeeded(controller, e) {461 if (controller._controlledWritableStream._state === 'writable' ||462 controller._controlledWritableStream._state === 'closing') {463 WritableStreamDefaultControllerError(controller, e);464 }465}466function WritableStreamDefaultControllerProcessClose(controller) {467 const stream = controller._controlledWritableStream;468 assert(stream._state === 'closing', 'can\'t process final write record unless already closed');469 DequeueValue(controller._queue);470 assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued');471 const sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', [controller]);472 sinkClosePromise.then(473 () => {474 if (stream._state !== 'closing') {475 return;476 }477 WritableStreamFulfillWriteRequest(stream);478 WritableStreamFinishClose(stream);479 },480 r => {481 WritableStreamDefaultControllerErrorIfNeeded(controller, r);482 }483 )484 .catch(rethrowAssertionErrorRejection);485}486function WritableStreamDefaultControllerProcessWrite(controller, chunk) {487 controller._writing = true;488 const sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]);489 sinkWritePromise.then(490 () => {491 const stream = controller._controlledWritableStream;492 const state = stream._state;493 if (state === 'errored' || state === 'closed') {494 return;495 }496 controller._writing = false;497 WritableStreamFulfillWriteRequest(stream);498 const lastBackpressure = WritableStreamDefaultControllerGetBackpressure(controller);499 DequeueValue(controller._queue);500 if (state !== 'closing') {501 const backpressure = WritableStreamDefaultControllerGetBackpressure(controller);502 if (lastBackpressure !== backpressure) {503 WritableStreamUpdateBackpressure(controller._controlledWritableStream, backpressure);504 }505 }506 WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);507 },508 r => {509 WritableStreamDefaultControllerErrorIfNeeded(controller, r);510 }511 )512 .catch(rethrowAssertionErrorRejection);513}514function WritableStreamDefaultControllerGetBackpressure(controller) {515 const desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);516 return desiredSize <= 0;517}518// A client of WritableStreamDefaultController may use these functions directly to bypass state check.519function WritableStreamDefaultControllerError(controller, e) {520 const stream = controller._controlledWritableStream;521 assert(stream._state === 'writable' || stream._state === 'closing');522 WritableStreamError(stream, e);523 controller._queue = [];524}525// Helper functions for the WritableStream.526function streamBrandCheckException(name) {527 return new TypeError(`WritableStream.prototype.${name} can only be used on a WritableStream`);528}529// Helper functions for the WritableStreamDefaultWriter.530function defaultWriterBrandCheckException(name) {531 return new TypeError(532 `WritableStreamDefaultWriter.prototype.${name} can only be used on a WritableStreamDefaultWriter`);533}534function defaultWriterLockException(name) {535 return new TypeError('Cannot ' + name + ' a stream using a released writer');536}537function defaultWriterClosedPromiseInitialize(writer) {538 writer._closedPromise = new Promise((resolve, reject) => {539 writer._closedPromise_resolve = resolve;540 writer._closedPromise_reject = reject;541 });542}543function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {544 writer._closedPromise = Promise.reject(reason);545 writer._closedPromise_resolve = undefined;546 writer._closedPromise_reject = undefined;547}548function defaultWriterClosedPromiseInitializeAsResolved(writer) {549 writer._closedPromise = Promise.resolve(undefined);550 writer._closedPromise_resolve = undefined;551 writer._closedPromise_reject = undefined;552}553function defaultWriterClosedPromiseReject(writer, reason) {554 assert(writer._closedPromise_resolve !== undefined);555 assert(writer._closedPromise_reject !== undefined);556 writer._closedPromise_reject(reason);557 writer._closedPromise_resolve = undefined;558 writer._closedPromise_reject = undefined;559}560function defaultWriterClosedPromiseResetToRejected(writer, reason) {561 assert(writer._closedPromise_resolve === undefined);562 assert(writer._closedPromise_reject === undefined);...
Using AI Code Generation
1const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsResolved();2const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsRejected();3const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsRejectedWith();4const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsResolvedWith();5const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsRejectedWith();6const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsResolvedWith();7const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsRejectedWith();8const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsResolvedWith();9const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsRejectedWith();10const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsResolvedWith();11const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsRejectedWith();12const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsResolvedWith();13const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsRejectedWith();14const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsResolvedWith();15const wpt = new WritableStreamDefaultWriterClosedPromiseInitializeAsRejectedWith();
Using AI Code Generation
1const wptools = require('wptools');2wptools.defaultWriterClosedPromiseInitializeAsResolved();3const wptools = require('wptools');4wptools.defaultWriterClosedPromiseInitializeAsResolved();5const wptools = require('wptools');6wptools.defaultWriterClosedPromiseInitializeAsResolved();7const wptools = require('wptools');8wptools.defaultWriterClosedPromiseInitializeAsResolved();9const wptools = require('wptools');10wptools.defaultWriterClosedPromiseInitializeAsResolved();
Using AI Code Generation
1test(function() {2 var writer = new WritableStreamDefaultWriter();3 assert_true(writer.closed instanceof Promise);4 assert_equals(writer.closed.constructor, Promise);5 assert_equals(writer.closed.constructor.name, "Promise");6 assert_equals(writer.closed.constructor.length, 1);7 assert_equals(writer.closed.constructor.prototype.constructor, Promise);8 assert_equals(writer.closed.constructor.prototype.constructor.name, "Promise");9 assert_equals(writer.closed.constructor.prototype.constructor.length, 1);10 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor, Promise);11 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.name, "Promise");12 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.length, 1);13 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor, Promise);14 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.name, "Promise");15 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.length, 1);16 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor, Promise);17 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.name, "Promise");18 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.length, 1);19 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor, Promise);20 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.name, "Promise");21 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.length, 1);22 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor, Promise);23 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.name, "Promise");24 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.length, 1);25 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor, Promise);26 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.name, "Promise");27 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.length, 1);28 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor, Promise);29 assert_equals(writer.closed.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.prototype.constructor.name, "Promise");30 assert_equals(writer.closed.constructor.prototype
Using AI Code Generation
1test(() => {2 const writer = new WritableStream().getWriter();3 assert_true(writer.closed instanceof Promise);4}, 'closed should be a promise');5test(() => {6 const writer = new WritableStream().getWriter();7 writer.close();8 return writer.closed;9}, 'closed should be fulfilled with undefined');10test(() => {11 const writer = new WritableStream().getWriter();12 const e1 = new Error('e1');13 writer.close(e1);14 return promise_rejects_exactly(t, e1, writer.closed, 'closed should be rejected with e1');15}, 'closed should be rejected with the first error');16test(() => {17 const writer = new WritableStream().getWriter();18 const e1 = new Error('e1');19 const e2 = new Error('e2');20 writer.close(e1);21 writer.close(e2);22 return promise_rejects_exactly(t, e1, writer.closed, 'closed should be rejected with e1');23}, 'closed should be rejected with the first error');24test(() => {25 const writer = new WritableStream().getWriter();26 const e1 = new Error('e1');27 const e2 = new Error('e2');28 writer.close(e1);29 writer.close(e2);30 return promise_rejects_exactly(t, e1, writer.closed, 'closed should be rejected with e1');31}, 'closed should be rejected with the first error');32test(() => {33 const writer = new WritableStream().getWriter();34 const e1 = new Error('e1');35 const e2 = new Error('e2');36 writer.close(e1);37 writer.close(e2);38 return promise_rejects_exactly(t, e1, writer.closed, 'closed should be rejected with e1');39}, 'closed should be rejected with the first error');40test(() => {41 const writer = new WritableStream().getWriter();42 const e1 = new Error('e1');
Using AI Code Generation
1import { defaultWriterClosedPromiseInitializeAsResolved } from "./wpt.js";2export async function test() {3 const writer = new WritableStream().getWriter();4 defaultWriterClosedPromiseInitializeAsResolved(writer);5 const closedPromise = writer.closed;6 const closedPromise2 = writer.closed;7 assert_equals(closedPromise, closedPromise2);8 assert_equals(closedPromise, Promise.resolve());9 assert_equals(closedPromise2, Promise.resolve());10 assert_equals(await closedPromise, undefined);11 assert_equals(await closedPromise2, undefined);12}13export function defaultWriterClosedPromiseInitializeAsResolved(writer) {14 writer._closedPromise = Promise.resolve();15}
Using AI Code Generation
1test(function() {2 var writer = new WritableStream().getWriter();3 var closedPromise = writer.closed;4 writer.releaseLock();5 return closedPromise;6}, 'WritableStream writer.closed promise is resolved');
Using AI Code Generation
1test(function() {2 var writerClosedPromise = writer.closed;3 defaultWriterClosedPromiseInitializeAsResolved(writer);4 assert_equals(writer.closed, writerClosedPromise);5}, 'defaultWriterClosedPromiseInitializeAsResolved should not change closed promise');6test(function() {7 var writerClosedPromise = writer.closed;8 defaultWriterClosedPromiseInitializeAsRejected(writer, new Error('a'));9 assert_equals(writer.closed, writerClosedPromise);10}, 'defaultWriterClosedPromiseInitializeAsRejected should not change closed promise');11test(function() {12 var writerClosedPromise = writer.closed;13 defaultWriterClosedPromiseInitializeAsRejected(writer, new Error('a'));14 assert_equals(writer.closed, writerClosedPromise);15}, 'defaultWriterClosedPromiseInitializeAsRejected should not change closed promise');16test(function() {17 var writerClosedPromise = writer.closed;18 defaultWriterClosedPromiseInitializeAsRejected(writer, new Error('a'));19 assert_equals(writer.closed, writerClosedPromise);20}, 'defaultWriterClosedPromiseInitializeAsRejected should not change closed promise');21test(function() {22 var writerClosedPromise = writer.closed;23 defaultWriterClosedPromiseInitializeAsRejected(writer, new Error('a'));24 assert_equals(writer.closed, writerClosedPromise);25}, 'defaultWriterClosedPromiseInitializeAsRejected should not change closed promise');26test(function() {27 var writerClosedPromise = writer.closed;28 defaultWriterClosedPromiseInitializeAsRejected(writer, new Error('a'));29 assert_equals(writer.closed, writerClosedPromise);
Using AI Code Generation
1let wpt = new WritableStream();2let writer = wpt.getWriter();3wpt.defaultWriterClosedPromiseInitializeAsResolved();4writer.closed.then(() => {5 console.log("closed promise resolved");6});7let wpt = new WritableStream();8let writer = wpt.getWriter();9wpt.defaultWriterClosedPromiseInitializeAsRejected(new Error("error"));10writer.closed.catch(() => {11 console.log("closed promise rejected");12});13let wpt = new WritableStream();14let writer = wpt.getWriter();15wpt.defaultWriterClosedPromiseInitializeAsPending();16writer.closed.then(() => {17 console.log("closed promise resolved");18}, () => {19 console.log("closed promise rejected");20});21let wpt = new WritableStream();22let writer = wpt.getWriter();23wpt.defaultWriterClosedPromiseInitializeAsPending();24writer.closed.then(() => {25 console.log("closed promise resolved");26}, () => {27 console.log("closed promise rejected");28});29let wpt = new WritableStream();30let writer = wpt.getWriter();31wpt.defaultWriterClosedPromiseInitializeAsPending();32writer.closed.then(() => {33 console.log("closed promise resolved");34}, () => {35 console.log("closed promise rejected");36});37let wpt = new WritableStream();38let writer = wpt.getWriter();39wpt.defaultWriterClosedPromiseInitializeAsPending();40writer.closed.then(() => {41 console.log("closed promise resolved");42}, () => {43 console.log("closed promise rejected");44});45let wpt = new WritableStream();46let writer = wpt.getWriter();47wpt.defaultWriterClosedPromiseInitializeAsPending();48writer.closed.then(() => {49 console.log("closed promise resolved");50}, () => {51 console.log("closed promise rejected");52});53let wpt = new WritableStream();54let writer = wpt.getWriter();55wpt.defaultWriterClosedPromiseInitializeAsPending();56writer.closed.then(() => {
Using AI Code Generation
1import {defaultWriterClosedPromiseInitializeAsResolved} from2'./resources/writable-stream-test-utils.js';3promise_test(async t => {4 const ws = new WritableStream();5 const writer = ws.getWriter();6 defaultWriterClosedPromiseInitializeAsResolved(writer);7 const defaultWriterClosedPromise = writer.closed;8 const defaultWriterClosedPromise2 = writer.closed;9 assert_equals(defaultWriterClosedPromise, defaultWriterClosedPromise2);10}, 'defaultWriterClosedPromiseInitializeAsResolved method should return the11same promise every time.');
Using AI Code Generation
1const wpt = require('wpt');2const {WritableStream} = require('stream/web');3const {isWritableStreamDefaultWriter} = require('stream/web');4const ws = new WritableStream();5const writer = ws.getWriter();6const defaultWriterClosedPromiseInitializeAsResolved = wpt.defaultWriterClosedPromiseInitializeAsResolved;7assert(isWritableStreamDefaultWriter(writer));8defaultWriterClosedPromiseInitializeAsResolved(writer);9assert(writer.closed instanceof Promise);10writer.closed.then(() => {11 console.log('closed');12});13writer.close();
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!