mirror of https://github.com/nodejs/node.git
39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
// Flags: --expose-internals
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const {
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PromisePrototypeCatch,
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PromisePrototypeThen,
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SafePromisePrototypeFinally,
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} = require('internal/test/binding').primordials;
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Promise.prototype.catch = common.mustNotCall();
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Promise.prototype.finally = common.mustNotCall();
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Promise.prototype.then = common.mustNotCall();
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assertIsPromise(PromisePrototypeCatch(Promise.reject(), common.mustCall()));
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assertIsPromise(PromisePrototypeThen(test(), common.mustCall()));
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assertIsPromise(SafePromisePrototypeFinally(test(), common.mustCall()));
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async function test() {
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const catchFn = common.mustCall();
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const finallyFn = common.mustCall();
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try {
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await Promise.reject();
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} catch {
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catchFn();
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} finally {
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finallyFn();
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}
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}
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function assertIsPromise(promise) {
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// Make sure the returned promise is a genuine %Promise% object and not a
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// subclass instance.
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assert.strictEqual(Object.getPrototypeOf(promise), Promise.prototype);
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}
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