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'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
const fs = require('fs');
const path = require('path');
const CODE = `
const { internalBinding } = require('internal/test/binding');
const { trace } = internalBinding('trace_events');
trace('b'.charCodeAt(0), 'custom',
'type-value', 10, {'extra-value': 20 });
trace('b'.charCodeAt(0), 'custom',
'type-value', 20, {'first-value': 20, 'second-value': 30 });
trace('b'.charCodeAt(0), 'custom', 'type-value', 30);
trace('b'.charCodeAt(0), 'missing',
'type-value', 10, {'extra-value': 20 });
`;
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const FILE_NAME = path.join(tmpdir.path, 'node_trace.1.log');
const proc = cp.spawn(process.execPath,
[ '--trace-event-categories', 'custom',
'--no-warnings',
'--expose-internals',
'-e', CODE ],
{ cwd: tmpdir.path });
proc.once('exit', common.mustCall(() => {
assert(fs.existsSync(FILE_NAME));
fs.readFile(FILE_NAME, common.mustCall((err, data) => {
const traces = JSON.parse(data.toString()).traceEvents
.filter((trace) => trace.cat !== '__metadata');
assert.strictEqual(traces.length, 3);
assert.strictEqual(traces[0].pid, proc.pid);
assert.strictEqual(traces[0].ph, 'b');
assert.strictEqual(traces[0].cat, 'custom');
assert.strictEqual(traces[0].name, 'type-value');
assert.strictEqual(traces[0].id, '0xa');
assert.deepStrictEqual(traces[0].args.data, { 'extra-value': 20 });
assert.strictEqual(traces[1].pid, proc.pid);
assert.strictEqual(traces[1].ph, 'b');
assert.strictEqual(traces[1].cat, 'custom');
assert.strictEqual(traces[1].name, 'type-value');
assert.strictEqual(traces[1].id, '0x14');
assert.deepStrictEqual(traces[1].args.data, {
'first-value': 20,
'second-value': 30
});
assert.strictEqual(traces[2].pid, proc.pid);
assert.strictEqual(traces[2].ph, 'b');
assert.strictEqual(traces[2].cat, 'custom');
assert.strictEqual(traces[2].name, 'type-value');
assert.strictEqual(traces[2].id, '0x1e');
assert.deepStrictEqual(traces[2].args, { });
}));
}));