mirror of
https://github.com/nodejs/node.git
synced 2025-04-29 06:19:07 +00:00
6857dbc018
It seems that the arguments are no longer of type `FastOneByteString`. PR-URL: https://github.com/nodejs/node/pull/55014 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
// Flags: --expose-internals --no-warnings --allow-natives-syntax
|
|
'use strict';
|
|
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
|
|
const { internalBinding } = require('internal/test/binding');
|
|
|
|
function testFastUtf8Write() {
|
|
{
|
|
const buf = Buffer.from('\x80');
|
|
|
|
assert.strictEqual(buf[0], 194);
|
|
assert.strictEqual(buf[1], 128);
|
|
}
|
|
|
|
{
|
|
const buf = Buffer.alloc(64);
|
|
const newBuf = buf.subarray(0, buf.write('éñüçßÆ'));
|
|
assert.deepStrictEqual(newBuf, Buffer.from([195, 169, 195, 177, 195, 188, 195, 167, 195, 159, 195, 134]));
|
|
}
|
|
|
|
{
|
|
const buf = Buffer.alloc(64);
|
|
const newBuf = buf.subarray(0, buf.write('¿'));
|
|
assert.deepStrictEqual(newBuf, Buffer.from([194, 191]));
|
|
}
|
|
|
|
{
|
|
const buf = Buffer.from(new ArrayBuffer(34), 0, 16);
|
|
const str = Buffer.from([50, 83, 127, 39, 104, 8, 74, 65, 108, 123, 5, 4, 82, 10, 7, 53]).toString();
|
|
const newBuf = buf.subarray(0, buf.write(str));
|
|
assert.deepStrictEqual(newBuf, Buffer.from([ 50, 83, 127, 39, 104, 8, 74, 65, 108, 123, 5, 4, 82, 10, 7, 53]));
|
|
}
|
|
}
|
|
|
|
eval('%PrepareFunctionForOptimization(Buffer.prototype.utf8Write)');
|
|
testFastUtf8Write();
|
|
eval('%OptimizeFunctionOnNextCall(Buffer.prototype.utf8Write)');
|
|
testFastUtf8Write();
|
|
|
|
if (common.isDebug) {
|
|
const { getV8FastApiCallCount } = internalBinding('debug');
|
|
// TODO: the count should be 4. The function is optimized, but the fast
|
|
// API is not called.
|
|
assert.strictEqual(getV8FastApiCallCount('buffer.writeString'), 0);
|
|
}
|