mirror of https://github.com/nodejs/node.git
122 lines
3.8 KiB
JavaScript
122 lines
3.8 KiB
JavaScript
'use strict';
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// Testcases for situations involving fatal errors, like Javascript heap OOM
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require('../common');
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const assert = require('assert');
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const fs = require('fs');
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const helper = require('../common/report.js');
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const spawnSync = require('child_process').spawnSync;
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const tmpdir = require('../common/tmpdir');
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if (process.argv[2] === 'child') {
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const list = [];
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while (true) {
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const record = new MyRecord();
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list.push(record);
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}
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function MyRecord() {
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this.name = 'foo';
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this.id = 128;
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this.account = 98454324;
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}
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}
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// Common args that will cause an out-of-memory error for child process.
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const ARGS = [
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'--max-old-space-size=20',
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__filename,
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'child'
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];
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{
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// Verify that --report-on-fatalerror is respected when set.
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tmpdir.refresh();
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const args = ['--report-on-fatalerror', ...ARGS];
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const child = spawnSync(process.execPath, args, { cwd: tmpdir.path });
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assert.notStrictEqual(child.status, 0, 'Process exited unexpectedly');
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const reports = helper.findReports(child.pid, tmpdir.path);
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assert.strictEqual(reports.length, 1);
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const report = reports[0];
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helper.validate(report);
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// Errors occur in a context where env is not available, so thread ID is
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// unknown. Assert this, to verify that the underlying env-less situation is
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// actually reached.
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assert.strictEqual(require(report).header.threadId, null);
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}
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{
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// Verify that --report-on-fatalerror is respected when not set.
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const args = ARGS;
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const child = spawnSync(process.execPath, args, { cwd: tmpdir.path });
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assert.notStrictEqual(child.status, 0, 'Process exited unexpectedly');
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const reports = helper.findReports(child.pid, tmpdir.path);
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assert.strictEqual(reports.length, 0);
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}
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{
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// Verify that --report-directory is respected when set.
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// Verify that --report-compact is respected when not set.
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tmpdir.refresh();
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const dir = '--report-directory=' + tmpdir.path;
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const args = ['--report-on-fatalerror', dir, ...ARGS];
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const child = spawnSync(process.execPath, args, { });
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assert.notStrictEqual(child.status, 0, 'Process exited unexpectedly');
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const reports = helper.findReports(child.pid, tmpdir.path);
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assert.strictEqual(reports.length, 1);
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const report = reports[0];
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helper.validate(report);
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assert.strictEqual(require(report).header.threadId, null);
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const lines = fs.readFileSync(report, 'utf8').split('\n').length - 1;
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assert(lines > 10);
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}
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{
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// Verify that --report-compact is respected when set.
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tmpdir.refresh();
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const args = ['--report-on-fatalerror', '--report-compact', ...ARGS];
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const child = spawnSync(process.execPath, args, { cwd: tmpdir.path });
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assert.notStrictEqual(child.status, 0, 'Process exited unexpectedly');
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const reports = helper.findReports(child.pid, tmpdir.path);
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assert.strictEqual(reports.length, 1);
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const report = reports[0];
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helper.validate(report);
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assert.strictEqual(require(report).header.threadId, null);
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// Subtract 1 because "xx\n".split("\n") => [ 'xx', '' ].
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const lines = fs.readFileSync(report, 'utf8').split('\n').length - 1;
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assert.strictEqual(lines, 1);
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}
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{
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// Verify that --report-compact is respected when set.
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// Verify that --report-filename is respected when set.
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tmpdir.refresh();
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const args = [
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'--report-on-fatalerror',
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'--report-compact',
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'--report-filename=stderr',
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...ARGS
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];
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const child = spawnSync(process.execPath, args, { encoding: 'utf8' });
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assert.notStrictEqual(child.status, 0, 'Process exited unexpectedly');
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const reports = helper.findReports(child.pid, tmpdir.path);
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assert.strictEqual(reports.length, 0);
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const lines = child.stderr.split('\n');
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// Skip over unavoidable free-form output and gc log from V8.
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const report = lines.find((i) => i.startsWith('{'));
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const json = JSON.parse(report);
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assert.strictEqual(json.header.threadId, null);
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}
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