diff --git a/test/built-ins/Promise/any/invoke-resolve.js b/test/built-ins/Promise/any/invoke-resolve.js new file mode 100644 index 0000000000..860dde810b --- /dev/null +++ b/test/built-ins/Promise/any/invoke-resolve.js @@ -0,0 +1,52 @@ +// Copyright (C) 2019 Sergey Rubanov. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: > + Invocation of the constructor's `resolve` method +esid: sec-promise.any +info: | + 5. Let result be PerformPromiseAny(iteratorRecord, C, promiseCapability). + + Runtime Semantics: PerformPromiseAny + + 6. Repeat + ... + i. Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »). + ... + z. Perform ? Invoke(nextPromise, "then", « resolveElement, rejectElement »). +features: [Promise.any] +---*/ + +var p1 = new Promise(function() {}); +var p2 = new Promise(function() {}); +var p3 = new Promise(function() {}); +var resolve = Promise.resolve; +var callCount = 0; +var current = p1; +var next = p2; +var afterNext = p3; + +Promise.resolve = function(nextValue) { + assert.sameValue( + nextValue, current, '`resolve` invoked with next iterated value' + ); + assert.sameValue( + arguments.length, 1, '`resolve` invoked with a single argument' + ); + assert.sameValue(this, Promise, '`this` value is the constructor'); + + current = next; + next = afterNext; + afterNext = null; + + callCount += 1; + + return resolve.apply(Promise, arguments); +}; + +Promise.any([p1, p2, p3]); + +assert.sameValue( + callCount, 3, '`resolve` invoked once for each iterated value' +);