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// Copyright (C) 2015 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.4.5.3
description: >
Throws a TypeError if capabilities executor already called with non-undefined values.
info: >
Promise.prototype.then ( onFulfilled , onRejected )
...
5. Let promiseCapability be NewPromiseCapability(C).
6. ReturnIfAbrupt(promiseCapability).
...
25.4.1.5.1 GetCapabilitiesExecutor Functions
...
3. If promiseCapability.[[Resolve]] is not undefined, throw a TypeError exception.
4. If promiseCapability.[[Reject]] is not undefined, throw a TypeError exception.
5. Set promiseCapability.[[Resolve]] to resolve.
6. Set promiseCapability.[[Reject]] to reject.
...
---*/
var constructorFunction;
var promise = new class extends Promise {
constructor(executor) {
if (constructorFunction) {
constructorFunction(executor);
return {};
}
return super(executor);
}
}(function(){});
var checkPoint = "";
constructorFunction = function(executor) {
checkPoint += "a";
executor();
checkPoint += "b";
executor(function(){}, function(){});
checkPoint += "c";
};
promise.then();
assert.sameValue(checkPoint, "abc", "executor initially called with no arguments");
var checkPoint = "";
constructorFunction = function(executor) {
checkPoint += "a";
executor(undefined, undefined);
checkPoint += "b";
executor(function(){}, function(){});
checkPoint += "c";
};
promise.then();
assert.sameValue(checkPoint, "abc", "executor initially called with (undefined, undefined)");
var checkPoint = "";
assert.throws(TypeError, function() {
constructorFunction = function(executor) {
checkPoint += "a";
executor(undefined, function(){});
checkPoint += "b";
executor(function(){}, function(){});
checkPoint += "c";
};
promise.then();
}, "executor initially called with (undefined, function)");
assert.sameValue(checkPoint, "ab", "executor initially called with (undefined, function)");
var checkPoint = "";
assert.throws(TypeError, function() {
constructorFunction = function(executor) {
checkPoint += "a";
executor(function(){}, undefined);
checkPoint += "b";
executor(function(){}, function(){});
checkPoint += "c";
};
promise.then();
}, "executor initially called with (function, undefined)");
assert.sameValue(checkPoint, "ab", "executor initially called with (function, undefined)");
var checkPoint = "";
assert.throws(TypeError, function() {
constructorFunction = function(executor) {
checkPoint += "a";
executor("invalid value", 123);
checkPoint += "b";
executor(function(){}, function(){});
checkPoint += "c";
};
promise.then();
}, "executor initially called with (String, Number)");
assert.sameValue(checkPoint, "ab", "executor initially called with (String, Number)");
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