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'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 env = { ...process.env, NODE_DEBUG_NATIVE: 'diagnostics' }; { tmpdir.refresh(); const child = spawnSync(process.execPath, [ '--heapsnapshot-near-heap-limit=-15', '--max-old-space-size=50', fixtures.path('workload', 'grow.js'), ], { cwd: tmpdir.path, env, }); assert.strictEqual(child.status, 9); } { console.log('\nTesting limit = 0'); tmpdir.refresh(); const child = spawnSync(process.execPath, [ '--trace-gc', '--heapsnapshot-near-heap-limit=0', '--max-old-space-size=50', fixtures.path('workload', 'grow.js'), ], { cwd: tmpdir.path, env, }); console.log(child.stdout.toString()); console.log(child.stderr.toString()); 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')); assert.strictEqual(list.length, 0); } { console.log('\nTesting limit = 1'); tmpdir.refresh(); const child = spawnSync(process.execPath, [ '--trace-gc', '--heapsnapshot-near-heap-limit=1', '--max-old-space-size=50', fixtures.path('workload', 'grow.js'), ], { cwd: tmpdir.path, env, }); 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', '--heapsnapshot-near-heap-limit=3', '--max-old-space-size=50', fixtures.path('workload', 'grow.js'), ], { cwd: tmpdir.path, env, }); 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`); }