KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use TransformStreamDefaultController method in wpt

Best JavaScript code snippet using wpt

brand-checks.js

Source:brand-checks.js

1'use strict';2if (self.importScripts) {3  self.importScripts('/resources/testharness.js');4  self.importScripts('../resources/test-utils.js');5}6const TransformStreamDefaultController = getTransformStreamDefaultControllerConstructor();7function getTransformStreamDefaultControllerConstructor() {8  return realTSDefaultController().constructor;9}10function fakeTS() {11  return Object.setPrototypeOf({12    get readable() { return new ReadableStream(); },13    get writable() { return new WritableStream(); }14  }, TransformStream.prototype);15}16function realTS() {17  return new TransformStream();18}19function fakeTSDefaultController() {20  return Object.setPrototypeOf({21    get desiredSize() { return 1; },22    enqueue() { },23    close() { },24    error() { }25  }, TransformStreamDefaultController.prototype);26}27function realTSDefaultController() {28  let controller;29  new TransformStream({30    start(c) {31      controller = c;32    }33  });34  return controller;35}36test(() => {37  getterThrowsForAll(TransformStream.prototype, 'readable',38                     [fakeTS(), realTSDefaultController(), undefined, null]);39}, 'TransformStream.prototype.readable enforces a brand check');40test(() => {41  getterThrowsForAll(TransformStream.prototype, 'writable',42                     [fakeTS(), realTSDefaultController(), undefined, null]);43}, 'TransformStream.prototype.writable enforces a brand check');44test(() => {45  constructorThrowsForAll(TransformStreamDefaultController,46                          [fakeTS(), realTS(), realTSDefaultController(), undefined, null]);47}, 'TransformStreamDefaultConstructor enforces a brand check and doesn\'t permit independent construction');48test(() => {49  getterThrowsForAll(TransformStreamDefaultController.prototype, 'desiredSize',50                     [fakeTSDefaultController(), realTS(), undefined, null]);51}, 'TransformStreamDefaultController.prototype.desiredSize enforces a brand check');52test(() => {53  methodThrowsForAll(TransformStreamDefaultController.prototype, 'enqueue',54                     [fakeTSDefaultController(), realTS(), undefined, null]);55}, 'TransformStreamDefaultController.prototype.enqueue enforces a brand check');56test(() => {57  methodThrowsForAll(TransformStreamDefaultController.prototype, 'terminate',58                     [fakeTSDefaultController(), realTS(), undefined, null]);59}, 'TransformStreamDefaultController.prototype.terminate enforces a brand check');60test(() => {61  methodThrowsForAll(TransformStreamDefaultController.prototype, 'error',62                     [fakeTSDefaultController(), realTS(), undefined, null]);63}, 'TransformStreamDefaultController.prototype.error enforces a brand check');...

Using AI Code Generation

1import { TransformStream } from 'streams';2const ts = new TransformStream();3const reader = ts.readable.getReader();4const writer = ts.writable.getWriter();5const controller = writer[kState].controller;6controller.enqueue('a');7controller.close();8reader.read().then(result => {9  console.log(result.value);10  console.log(result.done);11});12test(() => {13  const ts = new TransformStream();14  const reader = ts.readable.getReader();15  const writer = ts.writable.getWriter();16  const controller = writer[kState].controller;17  controller.enqueue('a');18  controller.close();19  return reader.read().then(result => {20    assert_equals(result.value, 'a', 'read() should resolve with the chunk');21    assert_false(result.done, 'read() should resolve with done false');22  });23}, 'TransformStream with byte source: enqueue() should work');24test(() => {25  const ts = new TransformStream();26  const reader = ts.readable.getReader();27  const writer = ts.writable.getWriter();28  const controller = writer[kState].controller;29  controller.enqueue('a');30  controller.close();31  return reader.read().then(result => {32    assert_equals(result.value, 'a', 'read() should resolve with the chunk');33    assert_false(result.done, 'read() should resolve with done false');34  });35}, 'TransformStream with byte source: enqueue() should work');36test(() => {37  const ts = new TransformStream();38  const reader = ts.readable.getReader();39  const writer = ts.writable.getWriter();40  const controller = writer[kState].controller;41  controller.enqueue('a');42  controller.close();43  return reader.read().then(result => {44    assert_equals(result.value, 'a', 'read() should resolve with the chunk');45    assert_false(result.done, 'read() should resolve with done false');46  });47}, 'TransformStream with byte source: enqueue() should work');

Using AI Code Generation

1const ts = new TransformStream();2const writer = ts.writable.getWriter();3const reader = ts.readable.getReader();4const transform = (chunk, controller) => {5  controller.enqueue(chunk);6};7const transformStreamDefaultController = ts.controller;8transformStreamDefaultController.enqueue('a');9transformStreamDefaultController.enqueue('b');10transformStreamDefaultController.enqueue('c');11transformStreamDefaultController.close();12writer.ready.then(() => {13  writer.write('d');14  writer.write('e');15  writer.close();16});17reader.read().then(result => {18  assert_equals(result.value, 'a');19  return reader.read();20}).then(result => {21  assert_equals(result.value, 'b');22  return reader.read();23}).then(result => {24  assert_equals(result.value, 'c');25  return reader.read();26}).then(result => {27  assert_equals(result.value, 'd');28  return reader.read();29}).then(result => {30  assert_equals(result.value, 'e');31  return reader.read();32}).then(result => {33  assert_true(result.done);34});

Using AI Code Generation

1let controller;2const ts = new TranformS({3  start(c) {4    controller = c;5  }6});7const reader = ts.readable.getReaer();8const writer = ts.writable.getWriter();9ontrller.equeue('a');10writer.write('b');11wrie.clse();12reader.read().then(result => {13  assert_equals(result.value, 'a');14  return reader.read();15}).then(result => {16  assert_equals(resut.vaue, 'b');17  assert_tru(esult.done);18});19const ts = new TransformStream();20const writer = ts.writable.getWriter();21const reader = ts.readable.getReader();22const transform = (chunk, controller) => {23  controller.enqueue(chunk);24};25const transformStreamDefaultController = ts.controller;26transformStreamDefaultController.enqueue('a');27transformStreamDefaultController.enqueue('b');28transformStreamDefaultController.enqueue('c');29writer.ready.then(() => {30  writer.write('d');31  writer.write('e');32  writer.close();33});34reader.read().then(result => {35  assert_equals(result.value, 'a');36  return reader.read();37}).then(result => {38  assert_equals(result.value, 'b');39  return reader.read();40}).then(result => {41  assert_equals(result.value, 'c');42  return reader.read();43}).then(result => {44  assert_equals(result.value, 'd');45  return reader.read();46}).then(result => {47  assert_equals(result.value, 'e');48  return reader.read();49}).then(result => {50  assert_true(result.done);51});

Using AI Code Generation

1var t = async_test('TransformStreamDefaultController method of wpt test');2var ts = new TransformStream();3var writer = ts.writable.getWriter();4var reader = ts.readable.getReader();5var transformer = {6  start(controller) {7    controller.enqueue('a');8    controller.enqueue('b');9    controller.enqueue('c');10  },11  transform(chunk, controller) {12    controller.enqueue(chunk.toUpperCase());13  },14  flush(controller) {15    controller.enqueue('!');16  }17};18ts = new TransformStream(transformer);19writer = ts.writable.getWriter();20reader = ts.readable.getReader();21writer.write('a').then(function() {22  return writer.write('b');23}).then(function() {24  return writer.write('c');25}).then(function() {26  return writer.close();27}).then(function() {28  return reader.read();29}).then(function(result1) {30  assert_equals(result1.value, 'A');31  assert_false(result1.done);32  return reader.read();33}).then(function(result2) {34  assert_equals(result2.value, 'B');35  assert_false(result2.done);36  return reader.read();37}).then(function(result3) {38  assert_equals(result3.value, 'C');39  assert_false(result3.done);40  return reader.read();41}).then(function(result4) {42  assert_equals(result4.value, '!');43  assert_false(result4.done);44  return reader.read();45}).then(function(result5) {46  assert_equals(result5.value, undefined);47  assert_true(result5.done);48  t.done();49});50var t = async_test('TransformStreamDefaultController method of wpt test');51var ts = new TransformStream();52var writer = ts.writable.getWriter();53var reader = ts.readable.getReader();54var transformer = {55  start(controller) {56    controller.enqueue('a');57    controller.enqueue('b');58    controller.enqueue('c');59  },60  transform(chunk, controller) {61    controller.enqueue(chunk.toUpperCase());62  },63  flush(controller) {64    controller.enqueue('!');65  }66};67ts = new TransformStream(transformer);68writer = ts.writable.getWriter();69reader = ts.readable.getReader();70writer.write('a').then(function() {71  return writer.write('b');72}).then(function() {73  return writer.write('c');74}).then(function() {75  return writer.close();76}).then(function() {

Using AI Code Generation

1'use strict';2promise_test(t => {3  let controller;4  const ts = new TransformStream({5    start(c) {6      controller = c;7    }8  });9  assert_equals(controller.desiredSize, 1, 'desiredSize should be 1');10  return ts.writable.getWriter().write('a').then(() => {11    assert_equals(controller.desiredSize, 0, 'desiredSize should be 0');12    return ts.writable.getWriter().write('b');13  }).then(() => {14    assert_equals(controller.desiredSize, -1, 'desiredSize should be -1');15  });16}, 'TransformStreamDefaultController.desiredSize should be correct');17promise_test(t => {18  let controller;19  const ts = new TransformStream({20    start(c) {21      controller = c;22    }23  });24  assert_false(controller.enqueueCalled, 'enqueueCalled should be false');25  controller.enqueue('a');26  assert_true(controller.enqueueCalled, 'enqueueCalled should be true');27}, 'TransformStreamDefaultController.enqueue should set enqueueCalled to true');28promise_test(t => {29  let controller;30  const ts = new TransformStream({31    start(c) {32      controller = c;33    }34  });35  assert_false(controller.errorCalled, 'errorCalled should be false');36  controller.error('a');37  assert_true(controller.errorCalled, 'errorCalled should be true');38}, 'TransformStreamDefaultController.error should set errorCalled to true');39promise_test(t => {40  let controller;41  const ts = new TransformStream({42    start(c) {43      controller = c;44    }45  });46  assert_false(controller.terminateCalled, 'terminateCalled should be false');47  controller.terminate();48  assert_true(controller.terminateCalled, 'terminateCalled should be true');49}, 'TransformStreamDefaultController.terminate should set terminateCalled to true');50promise_test(t => {51  let controller;52  const ts = new TransformStream({53    start(c) {54      controller = c;55    }56  });57  assert_false(controller.flushRequested, 'flushRequested should be false');58  controller.enqueue('a');

Automation Testing Tutorials

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.