How to use uninterestingReadableWritablePair method in wpt

Best JavaScript code snippet using wpt

pipe-through.js

Source:pipe-through.js

...23      }24    })25  };26}27function uninterestingReadableWritablePair() {28  return { writable: new WritableStream(), readable: new ReadableStream() };29}30promise_test(() => {31  const readableEnd = sequentialReadableStream(5).pipeThrough(duckTypedPassThroughTransform());32  return readableStreamToArray(readableEnd).then(chunks =>33    assert_array_equals(chunks, [1, 2, 3, 4, 5]), 'chunks should match');34}, 'Piping through a duck-typed pass-through transform stream should work');35promise_test(() => {36  const transform = {37    writable: new WritableStream({38      start(c) {39        c.error(new Error('this rejection should not be reported as unhandled'));40      }41    }),42    readable: new ReadableStream()43  };44  sequentialReadableStream(5).pipeThrough(transform);45  // The test harness should complain about unhandled rejections by then.46  return flushAsyncEvents();47}, 'Piping through a transform errored on the writable end does not cause an unhandled promise rejection');48test(() => {49  let calledWithArgs;50  const dummy = {51    pipeTo(...args) {52      calledWithArgs = args;53      // Does not return anything, testing the spec's guard against trying to mark [[PromiseIsHandled]] on undefined.54    }55  };56  const fakeWritable = { fake: 'writable' };57  const fakeReadable = { fake: 'readable' };58  const arg2 = { arg: 'arg2' };59  const arg3 = { arg: 'arg3' };60  ReadableStream.prototype.pipeThrough.call(dummy, { writable: fakeWritable, readable: fakeReadable }, arg2, arg3);61  assert_array_equals(calledWithArgs, [fakeWritable, arg2],62    'The this value\'s pipeTo method should be called with the appropriate arguments');63}, 'pipeThrough generically calls pipeTo with the appropriate args');64test(() => {65  const dummy = {66    pipeTo() {67      return { not: 'a promise' };68    }69  };70  ReadableStream.prototype.pipeThrough.call(dummy, uninterestingReadableWritablePair());71  // Test passes if this doesn't throw or crash.72}, 'pipeThrough can handle calling a pipeTo that returns a non-promise object');73test(() => {74  const dummy = {75    pipeTo() {76      return {77        then() {},78        this: 'is not a real promise'79      };80    }81  };82  ReadableStream.prototype.pipeThrough.call(dummy, uninterestingReadableWritablePair());83  // Test passes if this doesn't throw or crash.84}, 'pipeThrough can handle calling a pipeTo that returns a non-promise thenable object');85promise_test(() => {86  const dummy = {87    pipeTo() {88      return Promise.reject(new Error('this rejection should not be reported as unhandled'));89    }90  };91  ReadableStream.prototype.pipeThrough.call(dummy, uninterestingReadableWritablePair());92  // The test harness should complain about unhandled rejections by then.93  return flushAsyncEvents();94}, 'pipeThrough should mark a real promise from a fake readable as handled');95test(() => {96  let thenCalled = false;97  let catchCalled = false;98  const dummy = {99    pipeTo() {100      const fakePromise = Object.create(Promise.prototype);101      fakePromise.then = () => {102        thenCalled = true;103      };104      fakePromise.catch = () => {105        catchCalled = true;106      };107      assert_true(fakePromise instanceof Promise, 'fakePromise fools instanceof');108      return fakePromise;109    }110  };111  // An incorrect implementation which uses an internal method to mark the promise as handled will throw or crash here.112  ReadableStream.prototype.pipeThrough.call(dummy, uninterestingReadableWritablePair());113  // An incorrect implementation that tries to mark the promise as handled by calling .then() or .catch() on the object114  // will fail these tests.115  assert_false(thenCalled, 'then should not be called');116  assert_false(catchCalled, 'catch should not be called');117}, 'pipeThrough should not be fooled by an object whose instanceof Promise returns true');118test(() => {119  const pairs = [120    {},121    { readable: undefined, writable: undefined },122    { readable: 'readable' },123    { readable: 'readable', writable: undefined },124    { writable: 'writable' },125    { readable: undefined, writable: 'writable' }126  ];...

Using AI Code Generation

1const { ReadableStream, WritableStream } = require('stream/web');2const { uninterestingReadableWritablePair } = require('web-platform-tests');3const { readable, writable } = uninterestingReadableWritablePair();4const rs = new ReadableStream(readable);5const ws = new WritableStream(writable);6const { ReadableStream, WritableStream } = require('stream/web');7const { readableStreamToArray } = require('web-platform-tests');8const rs = new ReadableStream({9  start(controller) {10    controller.enqueue('a');11    controller.enqueue('b');12    controller.enqueue('c');13    controller.close();14  }15});16const ws = new WritableStream();17const writer = ws.getWriter();18const reader = rs.getReader();19(async () => {20  const read = await readableStreamToArray(reader);21})();22const { ReadableStream } = require('stream/web');23const { readableStreamFromAsyncIterator } = require('web-platform-tests');24const rs = new ReadableStream({25  start(controller) {26    controller.enqueue('a');27    controller.enqueue('b');28    controller.enqueue('c');29    controller.close();30  }31});32const reader = rs.getReader();33(async () => {34  const read = await readableStreamFromAsyncIterator(reader);35})();36const { ReadableStream, WritableStream } = require('stream/web');37const { writableStreamToArray } = require('web-platform-tests');38const rs = new ReadableStream({39  start(controller) {40    controller.enqueue('a');41    controller.enqueue('b');42    controller.enqueue('c');43    controller.close();44  }45});46const ws = new WritableStream();47const writer = ws.getWriter();48(async () => {49  const read = await writableStreamToArray(writer);

Using AI Code Generation

1const { ReadableStream, WritableStream } = require('stream/web');2const { uninterestingReadableWritablePair } = require('web-platform-tests/wpt/streams/resources/test-utils.js');3const { testWritableStream } = require('web-platform-tests/wpt/streams/writable-streams/general.js');4const { testReadableStream } = require('web-platform-tests/wpt/streams/readable-streams/general.js');5const { readable, writable } = uninterestingReadableWritablePair();6testWritableStream(new WritableStream(writable), 'TYPED_ARRAY_TEST');7testReadableStream(new ReadableStream(readable), 'TYPED_ARRAY_TEST');8### Browser (headless)9### Browser (CI)10## Running the tests in a browser (CI)11## Running the tests in a browser with a custom URL (CI)

Using AI Code Generation

1var wpt = require("web-platform-test");2var stream = require("stream");3var assert = require("assert");4var pair = wpt.uninterestingReadableWritablePair();5var readable = pair.readable;6var writable = pair.writable;7var readableState = readable._readableState;8var writableState = writable._writableState;9assert.strictEqual(writableState.objectMode, false, "writableState.objectMode should be false");10assert.strictEqual(writableState.highWaterMark, 16 * 1024, "writableState.highWaterMark should be 16 * 1024");11assert.strictEqual(writableState.needDrain, false, "writableState.needDrain should be false");12assert.strictEqual(writableState.ending, false, "writableState.ending should be false");13assert.strictEqual(writableState.ended, false, "writableState.ended should be false");14assert.strictEqual(writableState.finished, false, "writableState.finished should be false");15assert.strictEqual(writableState.decodeStrings, true, "writableState.decodeStrings should be true");16assert.strictEqual(writableState.defaultEncoding, "utf8", "writableState.defaultEncoding should be utf8");17assert.strictEqual(writableState.length, 0, "writableState.length should be 0");18assert.strictEqual(writableState.writing, false, "writableState.writing should be false");19assert.strictEqual(writableState.corked, 0, "writableState.corked should be 0");20assert.strictEqual(writableState.sync, true, "writableState.sync should be true");21assert.strictEqual(writableState.bufferProcessing, false, "writableState.bufferProcessing should be false");22assert.strictEqual(writableState.onwrite, null, "writableState.onwrite should be null");23assert.strictEqual(writableState.writecb, null, "writableState.writecb should be null");24assert.strictEqual(writableState.writelen, 0, "writableState.writelen should be 0");25assert.strictEqual(writableState.bufferedRequest, null, "writableState.bufferedRequest should be null");26assert.strictEqual(writableState.lastBufferedRequest, null, "writableState.lastBufferedRequest should be null");27assert.strictEqual(writableState.pendingcb, 0, "writableState.pendingcb should be 0");28assert.strictEqual(writableState.prefinished, false, "writableState.pref

Using AI Code Generation

1const uninterestingReadableWritablePair = require('./wpt/uninteresting-readable-writable-pair.js');2const { ReadableStream, WritableStream } = require('./wpt/resources/test-utils.js');3const pair = uninterestingReadableWritablePair();4const readable = pair.readable;5const writable = pair.writable;6const rs = new ReadableStream({7  start(controller) {8    controller.enqueue('a');9    controller.enqueue('b');10    controller.enqueue('c');11    controller.close();12  }13});14const ws = new WritableStream({15  write(chunk) {16    console.log(chunk);17  }18});19rs.pipeTo(ws);

Using AI Code Generation

1const { uninterestingReadableWritablePair } = require('./resources/test-utils.js');2const { ReadableStream } = require('stream/web');3const { WritableStream } = require('stream/web');4const { ByteLengthQueuingStrategy, CountQueuingStrategy } = require('stream/web');5const assert = require('assert');6const { ReadableStreamDefaultController } = require('stream/web');7const { ReadableByteStreamController } = require('stream/web');8const { WritableStreamDefaultController } = require('stream/web');9const { WritableStreamDefaultWriter } = require('stream/web');10const { WritableStreamDefaultControllerErrorIfNeeded } = require('stream/web');11const { WritableStreamDefaultControllerGetDesiredSize } = require('stream/web');12const { ReadableStreamDefaultControllerClose } = require('stream/web');13const { ReadableStreamDefaultControllerEnqueue } = require('stream/web');14const { ReadableStreamDefaultControllerError } = require('stream/web');15const { ReadableStreamDefaultControllerHasBackpressure } = require('stream/web');16const { ReadableStreamDefaultControllerCanCloseOrEnqueue } = require('stream/web');17const { ReadableByteStreamControllerClose } = require('stream/web');18const { ReadableByteStreamControllerEnqueue } = require('stream/web');19const { ReadableByteStreamControllerError } = require('stream/web');20const { ReadableByteStreamControllerGetDesiredSize } = require('stream/web');21const { ReadableByteStreamControllerHasBackpressure } = require('stream/web');22const { ReadableByteStreamControllerCanCloseOrEnqueue } = require('stream/web');23const { ReadableStreamBYOBRequest } = require('stream/web');24const { ReadableStreamBYOBRequestRespond } = require('stream/web');25const { ReadableStreamBYOBRequestRespondWithNewView } = require('stream/web');26const error1 = new Error('error1');27error1.name = 'error1';28const error2 = new Error('error2');29error2.name = 'error2';30const error3 = new Error('error3');31error3.name = 'error3';32function defaultControllerEnqueue(controller, chunk) {33  ReadableStreamDefaultControllerEnqueue(controller, chunk);34}35function defaultControllerClose(controller)

Using AI Code Generation

1const {uninterestingReadableWritablePair} = require('./resources/readable-streams');2const {readableStreamToArray} = require('./resources/readable-streams-helpers');3const {assert_equals} = require('./resources/assert');4const {assert_array_equals} = require('./resources/assert');5const {readable, writable} = uninterestingReadableWritablePair();6const reader = readable.getReader();7const writer = writable.getWriter();8const startPromise = writer.closed;9writer.write(1);10writer.write(2);11writer.write(3);12writer.close();13readableStreamToArray(readable).then(14  chunks => assert_array_equals(chunks, [1, 2, 3], 'chunks should be read')15);16startPromise.then(17  () => assert_equals(reader.state, 'closed', 'stream should be closed')18);19See [CONTRIBUTING.md](

Using AI Code Generation

1const { uninterestingReadableWritablePair } = require('./resources/uninteresting-streams.js');2const { ReadableStream, WritableStream } = require('./resources/rs-ws.js');3const { WritableStreamDefaultWriter } = require('./resources/writable-stream.js');4const { test, assert_true, assert_equals } = require('./resources/testharness.js');5test(() => {6  const { readable, writable } = uninterestingReadableWritablePair();7  const writer = new WritableStreamDefaultWriter(writable);8  assert_true(writer instanceof WritableStreamDefaultWriter,9    'WritableStreamDefaultWriter should be instance of WritableStreamDefaultWriter');10  assert_equals(writer.desiredSize, 1, 'desiredSize should be 1');11  assert_equals(writer.ready.constructor, Promise, 'ready should be a promise');12  assert_equals(writer.state, 'writable', 'state should be writable');13}, 'WritableStreamDefaultWriter constructor should work');14test(() => {15  const { readable, writable } = uninterestingReadableWritablePair();16  const writer = new WritableStreamDefaultWriter(writable);17  assert_equals(writer.desiredSize, 1, 'desiredSize should be 1');18  writer.write('a');19  assert_equals(writer.desiredSize, 0, 'desiredSize should be 0');20  writer.write('b');21  assert_equals(writer.desiredSize, -1, 'desiredSize should be -1');22}, 'WritableStreamDefaultWriter should have correct desiredSize');23test(() => {24  const { readable, writable } = uninterestingReadableWritablePair();25  const writer = new WritableStreamDefaultWriter(writable);26  writer.write('a');27  writer.write('b');28  writer.write('c');29  writer.write('d');30  writer.write('e');31  writer.write('f');32  writer.write('g');33  writer.write('h');34  writer.write('i');35  writer.write('j');36  writer.write('k');37  writer.write('l');38  writer.write('m');39  writer.write('n');40  writer.write('o');41  writer.write('p');42  writer.write('q');43  writer.write('r');44  writer.write('s');45  writer.write('t');46  writer.write('u');47  writer.write('v');48  writer.write('w');49  writer.write('x');50  writer.write('y');51  writer.write('z');

Using AI Code Generation

1var pair = uninterestingReadableWritablePair();2var readable = pair.readable;3var writable = pair.writable;4writable.write('hello');5writable.write('world');6readable.on('data', function(chunk) {7  console.log(chunk.toString());8});9readable.close();

Using AI Code Generation

1test(function() {2  var pair = uninterestingReadableWritablePair();3}, 'Test description');4test(function() {5  var rs = readableStreamWithByteSource();6}, 'Test description');7test(function() {8  var rs = readableStreamWithByteSource();9}, 'Test description');10test(function() {11  var rs = readableStreamWithByteSource();12}, 'Test description');13test(function() {14  var rs = readableStreamWithByteSource();15}, 'Test description');16test(function() {17  var rs = readableStreamWithByteSource();18}, 'Test description');19test(function() {20  var rs = readableStreamWithByteSource();21}, 'Test description');22test(function() {23  var rs = readableStreamWithByteSource();24}, 'Test description');25test(function() {

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