decode-incomplete-input.any.js

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This WPT test may be referenced by the following Test IDs:
- /encoding/streams/decode-incomplete-input.any.html - WPT Dashboard Interop Dashboard
- /encoding/streams/decode-incomplete-input.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /encoding/streams/decode-incomplete-input.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /encoding/streams/decode-incomplete-input.any.worker.html - WPT Dashboard Interop Dashboard

// META: global=window,worker

// META: script=resources/readable-stream-from-array.js

// META: script=resources/readable-stream-to-array.js

'use strict';

const inputBytes = [229];

promise_test(async () => {

  const input = readableStreamFromArray([new Uint8Array(inputBytes)]);

  const output = input.pipeThrough(new TextDecoderStream());

  const array = await readableStreamToArray(output);

  assert_array_equals(array, ['\uFFFD'], 'array should have one element');

}, 'incomplete input with error mode "replacement" should end with a ' +

   'replacement character');

promise_test(async t => {

  const input = readableStreamFromArray([new Uint8Array(inputBytes)]);

  const output = input.pipeThrough(new TextDecoderStream(

      'utf-8', {fatal: true}));

  const reader = output.getReader();

  await promise_rejects_js(t, TypeError, reader.read(),

                        'read should reject');

}, 'incomplete input with error mode "fatal" should error the stream');