1'use strict';
2
3// Testcases for situations involving fatal errors, like Javascript heap OOM
4
5require('../common');
6const assert = require('assert');
7const fs = require('fs');
8const helper = require('../common/report.js');
9const spawnSync = require('child_process').spawnSync;
10const tmpdir = require('../common/tmpdir');
11const fixtures = require('../common/fixtures');
12
13// Common args that will cause an out-of-memory error for child process.
14const ARGS = [
15  '--max-heap-size=20',
16  fixtures.path('report-oom'),
17];
18const REPORT_FIELDS = [
19  ['header.trigger', 'OOMError'],
20  ['javascriptHeap.memoryLimit', 20 * 1024 * 1024 /* 20MB */],
21];
22
23{
24  // Verify that --report-directory is respected when set.
25  // Verify that --report-compact is respected when not set.
26  tmpdir.refresh();
27  const dir = '--report-directory=' + tmpdir.path;
28  const args = ['--report-on-fatalerror', dir, ...ARGS];
29  const child = spawnSync(process.execPath, args, { });
30  assert.notStrictEqual(child.status, 0, 'Process exited unexpectedly');
31
32  const reports = helper.findReports(child.pid, tmpdir.path);
33  assert.strictEqual(reports.length, 1);
34
35  const report = reports[0];
36  helper.validate(report, REPORT_FIELDS);
37
38  const lines = fs.readFileSync(report, 'utf8').split('\n').length - 1;
39  assert(lines > 10);
40}
41