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// Flags: --expose-internals
'use strict';
const common = require('../common');
const { validateOffsetLengthWrite } = require('internal/fs/utils');
const { kMaxLength } = require('buffer');
// RangeError when offset > byteLength
{
const offset = 100;
const length = 100;
const byteLength = 50;
common.expectsError(
() => validateOffsetLengthWrite(offset, length, byteLength),
{
code: 'ERR_OUT_OF_RANGE',
type: RangeError,
message: 'The value of "offset" is out of range. ' +
`It must be <= ${byteLength}. Received ${offset}`
}
);
}
// RangeError when byteLength < kMaxLength, and length > byteLength - offset .
{
const offset = kMaxLength - 150;
const length = 200;
const byteLength = kMaxLength - 100;
common.expectsError(
() => validateOffsetLengthWrite(offset, length, byteLength),
{
code: 'ERR_OUT_OF_RANGE',
type: RangeError,
message: 'The value of "length" is out of range. ' +
`It must be <= ${byteLength - offset}. Received ${length}`
}
);
}