21 lines
674 B
JavaScript
21 lines
674 B
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
// This tests that Buffer.prototype.toString() works with buffers over 4GB.
|
||
|
|
const common = require('../common');
|
||
|
|
|
||
|
|
// Must not throw when start and end are within kMaxLength
|
||
|
|
// Cannot test on 32bit machine as we are testing the case
|
||
|
|
// when start and end are above the threshold
|
||
|
|
common.skipIf32Bits();
|
||
|
|
const threshold = 0xFFFFFFFF; // 2^32 - 1
|
||
|
|
let largeBuffer;
|
||
|
|
try {
|
||
|
|
largeBuffer = Buffer.alloc(threshold + 20);
|
||
|
|
} catch (e) {
|
||
|
|
if (e.code === 'ERR_MEMORY_ALLOCATION_FAILED' || /Array buffer allocation failed/.test(e.message)) {
|
||
|
|
common.skip('insufficient space for Buffer.alloc');
|
||
|
|
}
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
largeBuffer.toString('utf8', threshold, threshold + 20);
|