mirror of https://github.com/nodejs/node.git
37 lines
915 B
JavaScript
37 lines
915 B
JavaScript
'use strict';
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const common = require('../common');
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const dc = require('diagnostics_channel');
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const assert = require('assert');
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const channel = dc.tracingChannel('test');
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const expectedError = new Error('test');
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const input = { foo: 'bar' };
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const thisArg = { baz: 'buz' };
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function check(found) {
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assert.deepStrictEqual(found, input);
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}
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const handlers = {
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start: common.mustCall(check),
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end: common.mustCall(check),
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asyncStart: common.mustCall(check),
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asyncEnd: common.mustCall(check),
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error: common.mustCall((found) => {
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check(found);
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assert.deepStrictEqual(found.error, expectedError);
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})
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};
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channel.subscribe(handlers);
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channel.traceCallback(function(cb, err) {
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assert.deepStrictEqual(this, thisArg);
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setImmediate(cb, err);
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}, 0, input, thisArg, common.mustCall((err, res) => {
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assert.strictEqual(err, expectedError);
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assert.strictEqual(res, undefined);
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}), expectedError);
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