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// Copy from test-heapsnapshot-near-heap-limit.js
'use strict';
const common = require('../common');
if (common.isPi) {
common.skip('Too slow for Raspberry Pi devices');
}
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const { spawnSync } = require('child_process');
const fixtures = require('../common/fixtures');
const fs = require('fs');
const v8 = require('v8');
const invalidValues = [-1, '', {}, NaN, undefined];
for (let i = 0; i < invalidValues.length; i++) {
assert.throws(() => v8.setHeapSnapshotNearHeapLimit(invalidValues[i]),
/ERR_INVALID_ARG_TYPE|ERR_OUT_OF_RANGE/);
}
// Set twice
v8.setHeapSnapshotNearHeapLimit(1);
v8.setHeapSnapshotNearHeapLimit(2);
const env = {
...process.env,
NODE_DEBUG_NATIVE: 'diagnostics',
};
{
console.log('\nTesting set by cmd option and api');
tmpdir.refresh();
const child = spawnSync(process.execPath, [
'--trace-gc',
'--heapsnapshot-near-heap-limit=1',
'--max-old-space-size=50',
fixtures.path('workload', 'grow-and-set-near-heap-limit.js'),
], {
cwd: tmpdir.path,
env: {
...env,
limit: 2,
},
});
console.log(child.stdout.toString());
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 <= 1,
`Generated ${list.length} snapshots ` +
`and ${risky} was too risky`);
}
{
console.log('\nTesting limit = 1');
tmpdir.refresh();
const child = spawnSync(process.execPath, [
'--trace-gc',
'--max-old-space-size=50',
fixtures.path('workload', 'grow-and-set-near-heap-limit.js'),
], {
cwd: tmpdir.path,
env: {
...env,
limit: 1,
},
});
console.log(child.stdout.toString());
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 <= 1,
`Generated ${list.length} snapshots ` +
`and ${risky} was too risky`);
}
{
console.log('\nTesting set limit twice');
tmpdir.refresh();
const child = spawnSync(process.execPath, [
'--trace-gc',
'--max-old-space-size=50',
fixtures.path('workload', 'grow-and-set-near-heap-limit.js'),
], {
cwd: tmpdir.path,
env: {
...env,
limit: 1,
limit2: 2
},
});
console.log(child.stdout.toString());
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 <= 1,
`Generated ${list.length} snapshots ` +
`and ${risky} was too risky`);
}
{
console.log('\nTesting limit = 3');
tmpdir.refresh();
const child = spawnSync(process.execPath, [
'--trace-gc',
'--max-old-space-size=50',
fixtures.path('workload', 'grow-and-set-near-heap-limit.js'),
], {
cwd: tmpdir.path,
env: {
...env,
limit: 3,
},
});
console.log(child.stdout.toString());
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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