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Kmake/test/pummel/test-buffer-large-size-buffer-write.js
2026-05-26 23:36:42 -07:00

23 lines
590 B
JavaScript

'use strict';
const common = require('../common');
// Buffer with size > INT32_MAX
common.skipIf32Bits();
const assert = require('node:assert');
const kStringMaxLength = require('buffer').constants.MAX_STRING_LENGTH;
const size = 2 ** 31;
// Test Buffer.write with size larger than integer range
try {
const buf = Buffer.alloc(size);
assert.strictEqual(buf.write('a', 2, kStringMaxLength), 1);
assert.strictEqual(buf.write('a', 2, size), 1);
} catch (e) {
if (e.code !== 'ERR_MEMORY_ALLOCATION_FAILED') {
throw e;
}
common.skip('insufficient space for Buffer.alloc');
}