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| 1 | +// META: title=Blob Array Buffer |
| 2 | +// META: script=../support/Blob.js |
| 3 | +'use strict'; |
| 4 | + |
| 5 | +promise_test(async () => { |
| 6 | + const input_arr = new TextEncoder().encode("PASS"); |
| 7 | + const blob = new Blob([input_arr]); |
| 8 | + const array_buffer = await blob.arrayBuffer(); |
| 9 | + assert_true(array_buffer instanceof ArrayBuffer); |
| 10 | + assert_equals_typed_array(new Uint8Array(array_buffer), input_arr); |
| 11 | +}, "Blob.arrayBuffer()") |
| 12 | + |
| 13 | +promise_test(async () => { |
| 14 | + const input_arr = new TextEncoder().encode(""); |
| 15 | + const blob = new Blob([input_arr]); |
| 16 | + const array_buffer = await blob.arrayBuffer(); |
| 17 | + assert_true(array_buffer instanceof ArrayBuffer); |
| 18 | + assert_equals_typed_array(new Uint8Array(array_buffer), input_arr); |
| 19 | +}, "Blob.arrayBuffer() empty Blob data") |
| 20 | + |
| 21 | +promise_test(async () => { |
| 22 | + const input_arr = new TextEncoder().encode("\u08B8\u000a"); |
| 23 | + const blob = new Blob([input_arr]); |
| 24 | + const array_buffer = await blob.arrayBuffer(); |
| 25 | + assert_equals_typed_array(new Uint8Array(array_buffer), input_arr); |
| 26 | +}, "Blob.arrayBuffer() non-ascii input") |
| 27 | + |
| 28 | +promise_test(async () => { |
| 29 | + const input_arr = [8, 241, 48, 123, 151]; |
| 30 | + const typed_arr = new Uint8Array(input_arr); |
| 31 | + const blob = new Blob([typed_arr]); |
| 32 | + const array_buffer = await blob.arrayBuffer(); |
| 33 | + assert_equals_typed_array(new Uint8Array(array_buffer), typed_arr); |
| 34 | +}, "Blob.arrayBuffer() non-unicode input") |
| 35 | + |
| 36 | +promise_test(async () => { |
| 37 | + const input_arr = new TextEncoder().encode("PASS"); |
| 38 | + const blob = new Blob([input_arr]); |
| 39 | + const array_buffer_results = await Promise.all([blob.arrayBuffer(), |
| 40 | + blob.arrayBuffer(), blob.arrayBuffer()]); |
| 41 | + for (let array_buffer of array_buffer_results) { |
| 42 | + assert_true(array_buffer instanceof ArrayBuffer); |
| 43 | + assert_equals_typed_array(new Uint8Array(array_buffer), input_arr); |
| 44 | + } |
| 45 | +}, "Blob.arrayBuffer() concurrent reads") |
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