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'use strict';
const common = require('../common');
const assert = require('assert');
const rejection = new Error('Swallowed reject');
const rejection2 = new TypeError('Weird');
const resolveMessage = 'First call';
const rejectPromise = new Promise((r) => setTimeout(r, 10, rejection2));
const swallowedResolve = 'Swallowed resolve';
const swallowedResolve2 = 'Foobar';
process.on('multipleResolves', common.mustCall(handler, 4));
const p1 = new Promise((resolve, reject) => {
resolve(resolveMessage);
resolve(swallowedResolve);
reject(rejection);
});
const p2 = new Promise((resolve, reject) => {
reject(rejectPromise);
resolve(swallowedResolve2);
reject(rejection2);
}).catch(common.mustCall((exception) => {
assert.strictEqual(exception, rejectPromise);
}));
const expected = [
'resolve',
p1,
swallowedResolve,
'reject',
p1,
rejection,
'resolve',
p2,
swallowedResolve2,
'reject',
p2,
rejection2
];
let count = 0;
function handler(type, promise, reason) {
assert.strictEqual(type, expected.shift());
// In the first two cases the promise is identical because it's not delayed.
// The other two cases are not identical, because the `promise` is caught in a
// state when it has no knowledge about the `.catch()` handler that is
// attached to it right afterwards.
if (count++ < 2) {
assert.strictEqual(promise, expected.shift());
} else {
assert.notStrictEqual(promise, expected.shift());
}
assert.strictEqual(reason, expected.shift());
}
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