writer-write.tentative.https.window.js

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This test has a WPT meta file that expects 6 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /ai/writer/writer-write.tentative.https.window.html - WPT Dashboard Interop Dashboard

// META: title=Writer Write

// META: script=/resources/testdriver.js

// META: script=../resources/util.js

// META: timeout=long

'use strict';

promise_test(async (t) => {

  const writer = await createWriter();

  let result = await writer.write('');

  assert_equals(result, '');

}, 'Writer.write() with an empty input returns an empty text');

promise_test(async (t) => {

  const writer = await createWriter();

  let result = await writer.write(' ');

  assert_equals(result, '');

}, 'Writer.write() with a whitespace input returns an empty text');

promise_test(async (t) => {

  const writer = await createWriter();

  const result = await writer.write(kTestPrompt, { context: ' ' });

  assert_not_equals(result, '');

}, 'Writer.write() with a whitespace context returns a non-empty result');

promise_test(async (t) => {

  const writer = await createWriter();

  writer.destroy();

  await promise_rejects_dom(t, 'InvalidStateError', writer.write(kTestPrompt));

}, 'Writer.write() fails after destroyed');

promise_test(async () => {

  const writer = await createWriter();

  const result = await writer.write(kTestPrompt, {context: kTestContext});

  assert_equals(typeof result, 'string');

}, 'Simple Writer.write() call');

promise_test(async () => {

  const writer = await createWriter();

  await Promise.all([writer.write(kTestPrompt), writer.write(kTestPrompt)]);

}, 'Multiple Writer.write() calls are resolved successfully');