37 lines
873 B
JavaScript
37 lines
873 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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function test(arrayBuffer, offset, length) {
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const uint8Array = new Uint8Array(arrayBuffer, offset, length);
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for (let i = 0; i < length; i += 1) {
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uint8Array[i] = 1;
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}
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const buffer = Buffer.from(arrayBuffer, offset, length);
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for (let i = 0; i < length; i += 1) {
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assert.strictEqual(buffer[i], 1);
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}
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}
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const acceptableOOMErrors = [
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'Array buffer allocation failed',
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'Invalid array buffer length'
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];
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const length = 1000;
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const offset = 4294967296; /* 1 << 32 */
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const size = offset + length;
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let arrayBuffer;
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try {
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arrayBuffer = new ArrayBuffer(size);
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} catch (e) {
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if (e instanceof RangeError && acceptableOOMErrors.includes(e.message))
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common.skip(`Unable to allocate ${size} bytes for ArrayBuffer`);
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throw e;
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}
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test(arrayBuffer, offset, length);
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