42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
|
'use strict';
|
||
|
|
const common = require('../common');
|
||
|
|
|
||
|
|
if (common.isWindows)
|
||
|
|
common.skip('test not supported on Windows');
|
||
|
|
|
||
|
|
const assert = require('assert');
|
||
|
|
|
||
|
|
if (process.argv[2] === 'child') {
|
||
|
|
const fs = require('fs');
|
||
|
|
|
||
|
|
assert.strictEqual(process.listenerCount('SIGUSR2'), 1);
|
||
|
|
process.kill(process.pid, 'SIGUSR2');
|
||
|
|
process.kill(process.pid, 'SIGUSR2');
|
||
|
|
|
||
|
|
// Asynchronously wait for the snapshot. Use an async loop to be a bit more
|
||
|
|
// robust in case platform or machine differences throw off the timing.
|
||
|
|
(function validate() {
|
||
|
|
const files = fs.readdirSync(process.cwd());
|
||
|
|
|
||
|
|
if (files.length === 0)
|
||
|
|
return setImmediate(validate);
|
||
|
|
|
||
|
|
assert.strictEqual(files.length, 2);
|
||
|
|
|
||
|
|
for (let i = 0; i < files.length; i++) {
|
||
|
|
assert(/^Heap\..+\.heapsnapshot$/.test(files[i]));
|
||
|
|
JSON.parse(fs.readFileSync(files[i]));
|
||
|
|
}
|
||
|
|
})();
|
||
|
|
} else {
|
||
|
|
const { spawnSync } = require('child_process');
|
||
|
|
const tmpdir = require('../common/tmpdir');
|
||
|
|
|
||
|
|
tmpdir.refresh();
|
||
|
|
const args = ['--heapsnapshot-signal', 'SIGUSR2', __filename, 'child'];
|
||
|
|
const child = spawnSync(process.execPath, args, { cwd: tmpdir.path });
|
||
|
|
|
||
|
|
assert.strictEqual(child.status, 0);
|
||
|
|
assert.strictEqual(child.signal, null);
|
||
|
|
}
|