Blob-array-buffer.any.js

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This WPT test may be referenced by the following Test IDs:
- /FileAPI/blob/Blob-array-buffer.any.html - WPT Dashboard Interop Dashboard
- /FileAPI/blob/Blob-array-buffer.any.worker.html - WPT Dashboard Interop Dashboard

// META: title=Blob Array Buffer

// META: script=../support/Blob.js

'use strict';

promise_test(async () => {

  const input_arr = new TextEncoder().encode("PASS");

  const blob = new Blob([input_arr]);

  const array_buffer = await blob.arrayBuffer();

  assert_true(array_buffer instanceof ArrayBuffer);

  assert_equals_typed_array(new Uint8Array(array_buffer), input_arr);

}, "Blob.arrayBuffer()")

promise_test(async () => {

  const input_arr = new TextEncoder().encode("");

  const blob = new Blob([input_arr]);

  const array_buffer = await blob.arrayBuffer();

  assert_true(array_buffer instanceof ArrayBuffer);

  assert_equals_typed_array(new Uint8Array(array_buffer), input_arr);

}, "Blob.arrayBuffer() empty Blob data")

promise_test(async () => {

  const input_arr = new TextEncoder().encode("\u08B8\u000a");

  const blob = new Blob([input_arr]);

  const array_buffer = await blob.arrayBuffer();

  assert_equals_typed_array(new Uint8Array(array_buffer), input_arr);

}, "Blob.arrayBuffer() non-ascii input")

promise_test(async () => {

  const input_arr = [8, 241, 48, 123, 151];

  const typed_arr = new Uint8Array(input_arr);

  const blob = new Blob([typed_arr]);

  const array_buffer = await blob.arrayBuffer();

  assert_equals_typed_array(new Uint8Array(array_buffer), typed_arr);

}, "Blob.arrayBuffer() non-unicode input")

promise_test(async () => {

  const input_arr = new TextEncoder().encode("PASS");

  const blob = new Blob([input_arr]);

  const array_buffer_results = await Promise.all([blob.arrayBuffer(),

      blob.arrayBuffer(), blob.arrayBuffer()]);

  for (let array_buffer of array_buffer_results) {

    assert_true(array_buffer instanceof ArrayBuffer);

    assert_equals_typed_array(new Uint8Array(array_buffer), input_arr);

}, "Blob.arrayBuffer() concurrent reads")