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'use strict';
const common = require('../common');
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const { spawnSync } = require('child_process');
const fixtures = require('../common/fixtures');
const fs = require('fs');
const env = {
...process.env,
NODE_DEBUG_NATIVE: 'diagnostics'
};
if (!common.enoughTestMem)
common.skip('Insufficient memory for snapshot test');
{
console.log('\nTesting limit = 3');
tmpdir.refresh();
const child = spawnSync(process.execPath, [
'--heapsnapshot-near-heap-limit=3',
'--max-old-space-size=512',
fixtures.path('workload', 'grow.js'),
], {
cwd: tmpdir.path,
env: {
...env,
TEST_CHUNK: 2000,
}
});
const stderr = child.stderr.toString();
console.log(stderr);
assert(common.nodeProcessAborted(child.status, child.signal),
'process should have aborted, but did not');
const list = fs.readdirSync(tmpdir.path)
.filter((file) => file.endsWith('.heapsnapshot'));
const risky = [...stderr.matchAll(
/Not generating snapshots because it's too risky/g)].length;
assert(list.length + risky > 0 && list.length <= 3,
`Generated ${list.length} snapshots ` +
`and ${risky} was too risky`);
}
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