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'use strict'; // Testcases for situations involving fatal errors, like Javascript heap OOM require('../common'); const assert = require('assert'); const helper = require('../common/report.js'); const spawnSync = require('child_process').spawnSync; const tmpdir = require('../common/tmpdir'); const fixtures = require('../common/fixtures'); // Common args that will cause an out-of-memory error for child process. const ARGS = [ '--max-heap-size=20', fixtures.path('report-oom'), ]; const REPORT_FIELDS = [ ['header.trigger', 'OOMError'], ['javascriptHeap.memoryLimit', 20 * 1024 * 1024 /* 20MB */], ]; { // Verify that --report-compact is respected when set. // Verify that --report-filename is respected when set. tmpdir.refresh(); const args = [ '--report-on-fatalerror', '--report-compact', '--report-filename=stderr', ...ARGS, ]; const child = spawnSync(process.execPath, args, { encoding: 'utf8' }); assert.notStrictEqual(child.status, 0, 'Process exited unexpectedly'); const reports = helper.findReports(child.pid, tmpdir.path); assert.strictEqual(reports.length, 0); const lines = child.stderr.split('\n'); // Skip over unavoidable free-form output and gc log from V8. const report = lines.find((i) => i.startsWith('{')); helper.validateContent(report, REPORT_FIELDS); }