mirror of https://github.com/nodejs/node.git
28 lines
822 B
JavaScript
28 lines
822 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const cp = require('child_process');
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const fs = require('fs');
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const CODE =
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'setTimeout(() => { for (let i = 0; i < 100000; i++) { "test" + i } }, 1)';
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const tmpdir = require('../common/tmpdir');
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tmpdir.refresh();
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const FILE_NAME = tmpdir.resolve('node_trace.1.log');
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const proc_no_categories = cp.spawn(
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process.execPath,
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[ '--trace-event-categories', '""', '-e', CODE ],
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{ cwd: tmpdir.path }
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);
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proc_no_categories.once('exit', common.mustCall(() => {
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assert(fs.existsSync(FILE_NAME));
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// Only __metadata categories should have been emitted.
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fs.readFile(FILE_NAME, common.mustCall((err, data) => {
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assert.ok(JSON.parse(data.toString()).traceEvents.every(
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(trace) => trace.cat === '__metadata'));
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}));
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}));
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