node/test/parallel/test-next-tick-errors.js
Gibson Fahnestock db61c952de
test: use eslint to fix var->const/let
Manually fix issues that eslint --fix couldn't do automatically.

Backport-PR-URL: https://github.com/nodejs/node/pull/11775
PR-URL: https://github.com/nodejs/node/pull/10685
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
2017-04-18 20:01:49 -04:00

51 lines
1.2 KiB
JavaScript

'use strict';
require('../common');
const assert = require('assert');
const order = [];
let exceptionHandled = false;
// This nextTick function will throw an error. It should only be called once.
// When it throws an error, it should still get removed from the queue.
process.nextTick(function() {
order.push('A');
// cause an error
what(); // eslint-disable-line no-undef
});
// This nextTick function should remain in the queue when the first one
// is removed. It should be called if the error in the first one is
// caught (which we do in this test).
process.nextTick(function() {
order.push('C');
});
function testNextTickWith(val) {
assert.throws(
function() {
process.nextTick(val);
},
TypeError
);
}
testNextTickWith(false);
testNextTickWith(true);
testNextTickWith(1);
testNextTickWith('str');
testNextTickWith({});
testNextTickWith([]);
process.on('uncaughtException', function() {
if (!exceptionHandled) {
exceptionHandled = true;
order.push('B');
} else {
// If we get here then the first process.nextTick got called twice
order.push('OOPS!');
}
});
process.on('exit', function() {
assert.deepStrictEqual(['A', 'B', 'C'], order);
});