node/test/node-api/test_buffer/test.js

35 lines
1.2 KiB
JavaScript

'use strict';
// Flags: --expose-gc --no-concurrent-array-buffer-sweeping
const common = require('../../common');
const binding = require(`./build/${common.buildType}/test_buffer`);
const assert = require('assert');
const tick = require('util').promisify(require('../../common/tick'));
(async function() {
assert.strictEqual(binding.newBuffer().toString(), binding.theText);
assert.strictEqual(binding.newExternalBuffer().toString(), binding.theText);
console.log('gc1');
global.gc();
assert.strictEqual(binding.getDeleterCallCount(), 0);
await tick(10);
assert.strictEqual(binding.getDeleterCallCount(), 1);
assert.strictEqual(binding.copyBuffer().toString(), binding.theText);
let buffer = binding.staticBuffer();
assert.strictEqual(binding.bufferHasInstance(buffer), true);
assert.strictEqual(binding.bufferInfo(buffer), true);
buffer = null;
global.gc();
assert.strictEqual(binding.getDeleterCallCount(), 1);
await tick(10);
console.log('gc2');
assert.strictEqual(binding.getDeleterCallCount(), 2);
// To test this doesn't crash
binding.invalidObjectAsBuffer({});
const testBuffer = binding.bufferFromArrayBuffer();
assert(testBuffer instanceof Buffer, 'Expected a Buffer');
})().then(common.mustCall());