test: fixed error message in test-buffer-read

PR-URL: #23957
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

test/parallel/test-buffer-read.js

@@ -51,34 +51,46 @@ read(buf, 'readUInt32LE', [1], 0xcfea48fd);
read(buf, 'readUIntBE', [2, 2], 0x48ea);
read(buf, 'readUIntLE', [2, 2], 0xea48);

// Error name and message
const OOR_ERROR =
{
  name: 'RangeError [ERR_OUT_OF_RANGE]'
};

const OOB_ERROR =
{
  name: 'RangeError [ERR_BUFFER_OUT_OF_BOUNDS]',
  message: 'Attempt to write outside buffer bounds'
};

// Attempt to overflow buffers, similar to previous bug in array buffers
assert.throws(() => Buffer.allocUnsafe(8).readFloatBE(0xffffffff),
              RangeError);
assert.throws(() => Buffer.allocUnsafe(8).readFloatLE(0xffffffff),
              RangeError);
assert.throws(
  () => Buffer.allocUnsafe(8).readFloatBE(0xffffffff), OOR_ERROR);

assert.throws(
  () => Buffer.allocUnsafe(8).readFloatLE(0xffffffff), OOR_ERROR);

// Ensure negative values can't get past offset
assert.throws(() => Buffer.allocUnsafe(8).readFloatBE(-1), RangeError);
assert.throws(() => Buffer.allocUnsafe(8).readFloatLE(-1), RangeError);
assert.throws(
  () => Buffer.allocUnsafe(8).readFloatBE(-1), OOR_ERROR);
assert.throws(
  () => Buffer.allocUnsafe(8).readFloatLE(-1), OOR_ERROR);

// Offset checks
{
  const buf = Buffer.allocUnsafe(0);

  assert.throws(() => buf.readUInt8(0), RangeError);
  assert.throws(() => buf.readInt8(0), RangeError);
  assert.throws(
    () => buf.readUInt8(0), OOB_ERROR);
  assert.throws(
    () => buf.readInt8(0), OOB_ERROR);
}

[16, 32].forEach((bit) => {
  const buf = Buffer.allocUnsafe(bit / 8 - 1);
  [`Int${bit}B`, `Int${bit}L`, `UInt${bit}B`, `UInt${bit}L`].forEach((fn) => {
    assert.throws(
      () => buf[`read${fn}E`](0),
      {
        name: 'RangeError [ERR_BUFFER_OUT_OF_BOUNDS]',
        message: 'Attempt to write outside buffer bounds'
      }
    );
      () => buf[`read${fn}E`](0), OOB_ERROR);
  });
});