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test: fixed error message in test-buffer-read

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PR-URL: https://github.com/nodejs/node/pull/23957
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
This commit is contained in:
Arvind Pandey
2018-10-29 21:16:32 +05:30
committed by Rich Trott
parent c515e5c604
commit e35f671aa7
1 changed files with 26 additions and 14 deletions
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40
test/parallel/test-buffer-read.js
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@@ -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);
});
});