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test: better error validations for event-capture #32771

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test: better error validations for event-capture
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@edsadr
edsadr committed Apr 10, 2020
commit 3d4d51be5787602c7f28a5eed61546c40e8c5a00
12 changes: 10 additions & 2 deletions test/parallel/test-event-capture-rejections.js
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Original file line number Diff line number Diff line change
Expand Up @@ -278,14 +278,22 @@ function resetCaptureOnThrowInError() {
function argValidation() {

function testType(obj) {
const received = obj.constructor.name !== 'Number' ?
`an instance of ${obj.constructor.name}` :
`type number (${obj})`;

assert.throws(() => new EventEmitter({ captureRejections: obj }), {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
name: 'TypeError',
message: 'The "options.captureRejections" property must be of type ' +
`boolean. Received ${received}`
});

assert.throws(() => EventEmitter.captureRejections = obj, {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
name: 'TypeError',
message: 'The "EventEmitter.captureRejections" property must be of ' +
`type boolean. Received ${received}`
});
}

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