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Test Info:

// 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');