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Merge pull request from jugglinmike/improve-promise-coverage-resolve (closes #463)

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This commit is contained in:
Gorkem Yakin 2016-01-19 16:33:23 -08:00
commit 738a24b109
47 changed files with 1984 additions and 378 deletions
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74
test/built-ins/Promise/all/resolve-non-thenable.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-thenable object value
es6id: 25.4.4.1
info: >
[...]
6. Let promiseCapability be NewPromiseCapability(C).
[...]
11. Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
[...]
25.4.4.1.1 Runtime Semantics: PerformPromiseAll
[...]
6. Repeat
[...]
d. If next is false,
[...]
iii. If remainingElementsCount.[[value]] is 0,
1. Let valuesArray be CreateArrayFromList(values).
2. Let resolveResult be Call(resultCapability.[[Resolve]],
undefined, «valuesArray»).
3. ReturnIfAbrupt(resolveResult)
iv. Return resultCapability.[[Promise]].
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var v1 = {};
var v2 = {};
var v3 = {};
Promise.all([v1, v2, v3])
.then(function(values) {
if (!values) {
$DONE('The promise should be resolved with a value.');
return;
}
if (values.constructor !== Array) {
$DONE('The promise should be resolved with an Array instance.');
return;
}
if (values.length !== 3) {
$DONE('The promise should be resolved with an array of proper length.');
return;
}
if (values[0] !== v1) {
$DONE('The promise should be resolved with the correct element values (#1)');
return;
}
if (values[1] !== v2) {
$DONE('The promise should be resolved with the correct element values (#2)');
return;
}
if (values[2] !== v3) {
$DONE('The promise should be resolved with the correct element values (#3)');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

70
test/built-ins/Promise/all/resolve-poisoned-then.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with an object with a "poisoned" `then` property
es6id: 25.4.4.1
info: >
[...]
6. Let promiseCapability be NewPromiseCapability(C).
[...]
11. Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
[...]
25.4.4.1.1 Runtime Semantics: PerformPromiseAll
[...]
6. Repeat
[...]
d. If next is false,
[...]
iii. If remainingElementsCount.[[value]] is 0,
1. Let valuesArray be CreateArrayFromList(values).
2. Let resolveResult be Call(resultCapability.[[Resolve]],
undefined, «valuesArray»).
3. ReturnIfAbrupt(resolveResult)
iv. Return resultCapability.[[Promise]].
7.3.16 CreateArrayFromList (elements)
[...]
2. Let array be ArrayCreate(0) (see 9.4.2.2).
9.4.2.2 ArrayCreate(length, proto)
[...]
4. If the proto argument was not passed, let proto be the intrinsic object
%ArrayPrototype%.
5. Let A be a newly created Array exotic object.
[...]
8. Set the [[Prototype]] internal slot of A to proto.
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
---*/
var value = {};
var promise;
try {
Object.defineProperty(Array.prototype, 'then', {
get: function() {
throw value;
},
configurable: true
});
promise = Promise.all([]);
} finally {
delete Array.prototype.then;
}
promise.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(val) {
if (val !== value) {
$DONE('The promise should be rejected with the expected value.');
return;
}
$DONE();
});

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test/built-ins/Promise/all/resolve-thenable.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a thenable object value
es6id: 25.4.4.1
info: >
[...]
6. Let promiseCapability be NewPromiseCapability(C).
[...]
11. Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
[...]
25.4.4.1.1 Runtime Semantics: PerformPromiseAll
[...]
6. Repeat
[...]
d. If next is false,
[...]
iii. If remainingElementsCount.[[value]] is 0,
1. Let valuesArray be CreateArrayFromList(values).
2. Let resolveResult be Call(resultCapability.[[Resolve]],
undefined, «valuesArray»).
3. ReturnIfAbrupt(resolveResult)
iv. Return resultCapability.[[Promise]].
7.3.16 CreateArrayFromList (elements)
[...]
2. Let array be ArrayCreate(0) (see 9.4.2.2).
9.4.2.2 ArrayCreate(length, proto)
[...]
4. If the proto argument was not passed, let proto be the intrinsic object
%ArrayPrototype%.
5. Let A be a newly created Array exotic object.
[...]
8. Set the [[Prototype]] internal slot of A to proto.
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var promise;
try {
Array.prototype.then = function(resolve) {
resolve(value);
};
promise = Promise.all([]);
} finally {
delete Array.prototype.then;
}
promise.then(function(val) {
if (val !== value) {
$DONE('The promise should be resolved with the expected value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

70
test/built-ins/Promise/prototype/then/prfm-when-fulfilled-return-prms-fulfilled.js vendored
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.4.5.3
description: The return value of the `onFulfilled` method is a fulfilled promise
info: >
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«fulfillReaction, value»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob, «promise,
resolution, thenAction»)
13. Return undefined.
---*/
var executor1Counter = 0;
var thenCounter = 0;
var executor2Counter = 0;
var promise = new Promise(function(resolve) {
resolve();
assert.sameValue(executor1Counter, 0);
assert.sameValue(thenCounter, 0);
assert.sameValue(executor2Counter, 0);
executor1Counter += 1;
});
promise.then(function() {
assert.sameValue(executor1Counter, 1);
assert.sameValue(thenCounter, 0);
assert.sameValue(executor2Counter, 0);
thenCounter += 1;
return new Promise(function(resolve) {
resolve();
assert.sameValue(executor1Counter, 1);
assert.sameValue(thenCounter, 1);
assert.sameValue(executor2Counter, 0);
executor2Counter += 1;
});
}).then(function() {
assert.sameValue(executor1Counter, 1);
assert.sameValue(thenCounter, 1);
assert.sameValue(executor2Counter, 1);
$DONE();
}, function() {
$DONE('The promise should not be rejected');
});

84
test/built-ins/Promise/prototype/then/prfm-when-fulfilled-return-prms-pending-to-fulfilled.js vendored
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.4.5.3
description: The return value of the `onFulfilled` method is a pending promise
info: >
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«fulfillReaction, value»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob, «promise,
resolution, thenAction»)
13. Return undefined.
---*/
var executor1Counter = 0;
var then1Counter = 0;
var executor2Counter = 0;
var then2Counter = 0;
var promise = new Promise(function(resolve) {
resolve();
assert.sameValue(executor1Counter, 0);
assert.sameValue(then1Counter, 0);
assert.sameValue(executor2Counter, 0);
assert.sameValue(then2Counter, 0);
executor1Counter += 1;
});
promise.then(function() {
assert.sameValue(executor1Counter, 1);
assert.sameValue(then1Counter, 0);
assert.sameValue(executor2Counter, 0);
assert.sameValue(then2Counter, 0);
then1Counter += 1;
return new Promise(function(resolve) {
promise.then(function() {
resolve();
assert.sameValue(executor1Counter, 1);
assert.sameValue(then1Counter, 1);
assert.sameValue(executor2Counter, 1);
assert.sameValue(then2Counter, 0);
then2Counter += 1;
});
assert.sameValue(executor1Counter, 1);
assert.sameValue(then1Counter, 1);
assert.sameValue(executor2Counter, 0);
assert.sameValue(then2Counter, 0);
executor2Counter += 1;
});
}).then(function() {
assert.sameValue(executor1Counter, 1);
assert.sameValue(then1Counter, 1);
assert.sameValue(executor2Counter, 1);
assert.sameValue(then2Counter, 1);
$DONE();
}, function() {
$DONE('The promise should not be rejected');
});

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test/built-ins/Promise/prototype/then/prfm-when-fulfilled-return-prms-pending-to-rejected.js vendored
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.4.5.3
description: The return value of the `onFulfilled` method is a pending promise
info: >
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«fulfillReaction, value»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob, «promise,
resolution, thenAction»)
13. Return undefined.
---*/
var executor1Counter = 0;
var then1Counter = 0;
var executor2Counter = 0;
var then2Counter = 0;
var promise = new Promise(function(resolve) {
resolve();
assert.sameValue(executor1Counter, 0);
assert.sameValue(then1Counter, 0);
assert.sameValue(executor2Counter, 0);
assert.sameValue(then2Counter, 0);
executor1Counter += 1;
});
promise.then(function() {
assert.sameValue(executor1Counter, 1);
assert.sameValue(then1Counter, 0);
assert.sameValue(executor2Counter, 0);
assert.sameValue(then2Counter, 0);
then1Counter += 1;
return new Promise(function(_, reject) {
promise.then(function() {
reject();
assert.sameValue(executor1Counter, 1);
assert.sameValue(then1Counter, 1);
assert.sameValue(executor2Counter, 1);
assert.sameValue(then2Counter, 0);
then2Counter += 1;
});
assert.sameValue(executor1Counter, 1);
assert.sameValue(then1Counter, 1);
assert.sameValue(executor2Counter, 0);
assert.sameValue(then2Counter, 0);
executor2Counter += 1;
});
}).then(function() {
$DONE('The promise should not be fulfilled');
}, function() {
assert.sameValue(executor1Counter, 1);
assert.sameValue(then1Counter, 1);
assert.sameValue(executor2Counter, 1);
assert.sameValue(then2Counter, 1);
$DONE();
});

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test/built-ins/Promise/prototype/then/prfm-when-fulfilled-return-prms-rejected.js vendored
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.4.5.3
description: The return value of the `onFulfilled` method is a rejected promise
info: >
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«fulfillReaction, value»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob, «promise,
resolution, thenAction»)
13. Return undefined.
---*/
var executor1Counter = 0;
var thenCounter = 0;
var executor2Counter = 0;
var promise = new Promise(function(resolve) {
resolve();
assert.sameValue(executor1Counter, 0);
assert.sameValue(thenCounter, 0);
assert.sameValue(executor2Counter, 0);
executor1Counter += 1;
});
promise.then(function() {
assert.sameValue(executor1Counter, 1);
assert.sameValue(thenCounter, 0);
assert.sameValue(executor2Counter, 0);
thenCounter += 1;
return new Promise(function(_, reject) {
reject();
assert.sameValue(executor1Counter, 1);
assert.sameValue(thenCounter, 1);
assert.sameValue(executor2Counter, 0);
executor2Counter += 1;
});
}).then(function() {
$DONE('The promise should not be fulfilled');
}, function() {
assert.sameValue(executor1Counter, 1);
assert.sameValue(thenCounter, 1);
assert.sameValue(executor2Counter, 1);
$DONE();
});

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test/built-ins/Promise/prototype/then/prfm-when-fulfilled-return-thenable.js vendored
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.4.5.3
description: The return value of the `onFulfilled` method is a "thenable" object
info: >
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«fulfillReaction, value»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob, «promise,
resolution, thenAction»)
13. Return undefined.
---*/
var callCount = 0;
var promise = new Promise(function(resolve) {
resolve();
});
var thenable = {
then: function(resolve, reject) {
assert.sameValue(
this, thenable, 'method invoked with correct `this` value'
);
assert.sameValue(typeof resolve, 'function', 'type of first argument');
assert.sameValue(
resolve.length,
1,
'ES6 25.4.1.3.2: The length property of a promise resolve function is 1.'
);
assert.sameValue(typeof reject, 'function', 'type of second argument');
assert.sameValue(
reject.length,
1,
'ES6 25.4.1.3.1: The length property of a promise reject function is 1.'
);
assert.sameValue(arguments.length, 2, 'total number of arguments');
resolve();
callCount += 1;
}
};
promise.then(function() {
return thenable;
}).then(function() {
assert.sameValue(callCount, 1);
$DONE();
}, function() {
$DONE('This promise should not be rejected');
});

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test/built-ins/Promise/prototype/then/resolve-pending-fulfilled-non-obj.js vendored Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-object value from a pending promise that is later fulfilled
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
a. Append fulfillReaction as the last element of the List that is the
value of promise's [[PromiseFulfillReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var resolve;
var p1 = new Promise(function(_resolve) { resolve = _resolve; });
var p2;
p2 = p1.then(function() {
return 23;
});
p2.then(function(value) {
if (value !== 23) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
resolve();

48
test/built-ins/Promise/prototype/then/resolve-pending-fulfilled-non-thenable.js vendored Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-thenable object value from a pending promise that is later fulfilled
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
a. Append fulfillReaction as the last element of the List that is the
value of promise's [[PromiseFulfillReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var nonThenable = { then: null };
var resolve;
var p1 = new Promise(function(_resolve) { resolve = _resolve; });
var p2;
p2 = p1.then(function() {
return nonThenable;
});
p2.then(function(value) {
if (value !== nonThenable) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
resolve();

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test/built-ins/Promise/prototype/then/resolve-pending-fulfilled-poisoned-then.js vendored Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with an object with a "poisoned" `then` property from a pending promise that is later fulfilled
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
a. Append fulfillReaction as the last element of the List that is the
value of promise's [[PromiseFulfillReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
---*/
var value = {};
var resolve;
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
var p1 = new Promise(function(_resolve) { resolve = _resolve; });
var p2;
p2 = p1.then(function() {
return poisonedThen;
});
p2.then(function(x) {
$DONE('The promise should not be fulfilled.');
}, function(x) {
if (x !== value) {
$DONE('The promise should be rejected with the thrown exception.');
return;
}
$DONE();
});
resolve();

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test/built-ins/Promise/prototype/then/resolve-pending-fulfilled-self.js vendored Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a reference to the promise itself from a pending promise that is later fulfilled
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
a. Append fulfillReaction as the last element of the List that is the
value of promise's [[PromiseFulfillReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
6. If SameValue(resolution, promise) is true, then
a. Let selfResolutionError be a newly created TypeError object.
b. Return RejectPromise(promise, selfResolutionError).
---*/
var resolve;
var p1 = new Promise(function(_resolve) { resolve = _resolve; });
var p2;
p2 = p1.then(function() {
return p2;
});
p2.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(reason) {
if (!reason) {
$DONE('The promise should be rejected with a value.');
return;
}
if (reason.constructor !== TypeError) {
$DONE('The promise should be rejected with a TypeError instance.');
return;
}
$DONE();
});
resolve();

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test/built-ins/Promise/prototype/then/resolve-pending-fulfilled-thenable.js vendored Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a thenable object value from a pending promise that is later fulfilled
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
a. Append fulfillReaction as the last element of the List that is the
value of promise's [[PromiseFulfillReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var resolve;
var thenable = new Promise(function(resolve) { resolve(value); });
var p1 = new Promise(function(_resolve) { resolve = _resolve; });
var p2;
p2 = p1.then(function() {
return thenable;
});
p2.then(function(x) {
if (x !== value) {
$DONE('The promise should be fulfilled with the resolution value of the provided promise.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
resolve();

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-object value from a pending promise that is later rejected
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
[...]
b. Append rejectReaction as the last element of the List that is the
value of promise's [[PromiseRejectReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var reject;
var p1 = new Promise(function(_, _reject) { reject = _reject; });
var p2;
p2 = p1.then(function() {}, function() {
return 23;
});
p2.then(function(value) {
if (value !== 23) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
reject();

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-thenable object value from a pending promise that is later rejected
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
[...]
b. Append rejectReaction as the last element of the List that is the
value of promise's [[PromiseRejectReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var nonThenable = { then: null };
var reject;
var p1 = new Promise(function(_, _reject) { reject = _reject; });
var p2;
p2 = p1.then(function() {}, function() {
return nonThenable;
});
p2.then(function(value) {
if (value !== nonThenable) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
reject();

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with an object with a "poisoned" `then` property from a pending promise that is later rejected
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
[...]
b. Append rejectReaction as the last element of the List that is the
value of promise's [[PromiseRejectReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
---*/
var value = {};
var reject;
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
var p1 = new Promise(function(_, _reject) { reject = _reject; });
var p2;
p2 = p1.then(function() {}, function() {
return poisonedThen;
});
p2.then(function(x) {
$DONE('The promise should not be fulfilled.');
}, function(x) {
if (x !== value) {
$DONE('The promise should be rejected with the thrown exception.');
return;
}
$DONE();
});
reject();

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a reference to the promise itself from a pending promise that is later rejected
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
[...]
b. Append rejectReaction as the last element of the List that is the
value of promise's [[PromiseRejectReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
6. If SameValue(resolution, promise) is true, then
a. Let selfResolutionError be a newly created TypeError object.
b. Return RejectPromise(promise, selfResolutionError).
---*/
var reject;
var p1 = new Promise(function(_, _reject) { reject = _reject; });
var p2;
p2 = p1.then(function() {}, function() {
return p2;
});
p2.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(reason) {
if (!reason) {
$DONE('The promise should be rejected with a value.');
return;
}
if (reason.constructor !== TypeError) {
$DONE('The promise should be rejected with a TypeError instance.');
return;
}
$DONE();
});
reject();

52
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a thenable object value from a pending promise that is later rejected
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
7. If the value of promise's [[PromiseState]] internal slot is "pending",
[...]
b. Append rejectReaction as the last element of the List that is the
value of promise's [[PromiseRejectReactions]] internal slot.
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var reject;
var thenable = new Promise(function(resolve) { resolve(value); });
var p1 = new Promise(function(_, _reject) { reject = _reject; });
var p2;
p2 = p1.then(function() {}, function() {
return thenable;
});
p2.then(function(x) {
if (x !== value) {
$DONE('The promise should be fulfilled with the resolution value of the provided promise.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
reject();

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-object value from a fulfilled promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. EnqueueJob("PromiseJobs", PromiseReactionJob, «fulfillReaction,
value»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var p1 = new Promise(function(resolve) { resolve(); });
var p2;
p2 = p1.then(function() {
return 23;
});
p2.then(function(value) {
if (value !== 23) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

52
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-thenable object value from a fulfilled promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. EnqueueJob("PromiseJobs", PromiseReactionJob, «fulfillReaction,
value»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var nonThenable = { then: null };
var p1 = new Promise(function(resolve) { resolve(); });
var p2;
p2 = p1.then(function() {
return nonThenable;
});
p2.then(function(value) {
if (value !== nonThenable) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

54
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with an object with a "poisoned" `then` property from a fulfilled promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. EnqueueJob("PromiseJobs", PromiseReactionJob, «fulfillReaction,
value»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
---*/
var value = {};
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
var p1 = new Promise(function(resolve) { resolve(); });
var p2;
p2 = p1.then(function() {
return poisonedThen;
});
p2.then(function(x) {
$DONE('The promise should not be fulfilled.');
}, function(x) {
if (x !== value) {
$DONE('The promise should be rejected with the thrown exception.');
return;
}
$DONE();
});

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a reference to the promise itself from a fulfilled promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. EnqueueJob("PromiseJobs", PromiseReactionJob, «fulfillReaction,
value»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
6. If SameValue(resolution, promise) is true, then
a. Let selfResolutionError be a newly created TypeError object.
b. Return RejectPromise(promise, selfResolutionError).
---*/
var p1 = new Promise(function(resolve) { resolve(); });
var p2;
p2 = p1.then(function() {
return p2;
});
p2.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(reason) {
if (!reason) {
$DONE('The promise should be rejected with a value.');
return;
}
if (reason.constructor !== TypeError) {
$DONE('The promise should be rejected with a TypeError instance.');
return;
}
$DONE();
});

55
test/built-ins/Promise/prototype/then/resolve-settled-fulfilled-thenable.js vendored Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a thenable object value from a fulfilled promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
8. Else if the value of promise's [[PromiseState]] internal slot is
"fulfilled",
a. Let value be the value of promise's [[PromiseResult]] internal slot.
b. EnqueueJob("PromiseJobs", PromiseReactionJob, «fulfillReaction,
value»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var thenable = new Promise(function(resolve) { resolve(value); });
var p1 = new Promise(function(resolve) { resolve(); });
var p2;
p2 = p1.then(function() {
return thenable;
});
p2.then(function(x) {
if (x !== value) {
$DONE('The promise should be fulfilled with the resolution value of the provided promise.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-object value from a rejected promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
9. Else if the value of promise's [[PromiseState]] internal slot is
"rejected",
a. Let reason be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«rejectReaction, reason»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var p1 = new Promise(function(_, reject) { reject(); });
var p2;
p2 = p1.then(function() {}, function() {
return 23;
});
p2.then(function(value) {
if (value !== 23) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-thenable object value from a rejected promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
9. Else if the value of promise's [[PromiseState]] internal slot is
"rejected",
a. Let reason be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«rejectReaction, reason»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var nonThenable = { then: null };
var p1 = new Promise(function(_, reject) { reject(); });
var p2;
p2 = p1.then(function() {}, function() {
return nonThenable;
});
p2.then(function(value) {
if (value !== nonThenable) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

54
test/built-ins/Promise/prototype/then/resolve-settled-rejected-poisoned-then.js vendored Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with an object with a "poisoned" `then` property from a rejected promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
9. Else if the value of promise's [[PromiseState]] internal slot is
"rejected",
a. Let reason be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«rejectReaction, reason»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
---*/
var value = {};
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
var p1 = new Promise(function(_, reject) { reject(); });
var p2;
p2 = p1.then(function() {}, function() {
return poisonedThen;
});
p2.then(function(x) {
$DONE('The promise should not be fulfilled.');
}, function(x) {
if (x !== value) {
$DONE('The promise should be rejected with the thrown exception.');
return;
}
$DONE();
});

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a reference to the promise itself from a rejected promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
9. Else if the value of promise's [[PromiseState]] internal slot is
"rejected",
a. Let reason be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«rejectReaction, reason»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
6. If SameValue(resolution, promise) is true, then
a. Let selfResolutionError be a newly created TypeError object.
b. Return RejectPromise(promise, selfResolutionError).
---*/
var p1 = new Promise(function(_, reject) { reject(); });
var p2;
p2 = p1.then(function() {}, function() {
return p2;
});
p2.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(reason) {
if (!reason) {
$DONE('The promise should be rejected with a value.');
return;
}
if (reason.constructor !== TypeError) {
$DONE('The promise should be rejected with a TypeError instance.');
return;
}
$DONE();
});

55
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a thenable object value from a rejected promise
es6id: 25.4.5.3
info: >
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
9. Else if the value of promise's [[PromiseState]] internal slot is
"rejected",
a. Let reason be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«rejectReaction, reason»).
25.4.2.1 PromiseReactionJob
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var thenable = new Promise(function(resolve) { resolve(value); });
var p1 = new Promise(function(_, reject) { reject(); });
var p2;
p2 = p1.then(function() {}, function() {
return thenable;
});
p2.then(function(x) {
if (x !== value) {
$DONE('The promise should be fulfilled with the resolution value of the provided promise.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

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test/built-ins/Promise/race/resolve-non-obj.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-object value
es6id: 25.4.4.3
info: >
[...]
6. Let promiseCapability be NewPromiseCapability(C).
[...]
11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
[...]
25.4.4.3.1 Runtime Semantics: PerformPromiseRace
1. Repeat
[...]
j. Let result be Invoke(nextPromise, "then",
«promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var thenable = {
then: function(resolve) {
resolve(23);
}
};
Promise.race([thenable])
.then(function(value) {
if (value !== 23) {
$DONE('The promise should be resolved with the correct value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

45
test/built-ins/Promise/race/resolve-non-thenable.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-thenable object value
es6id: 25.4.4.3
info: >
[...]
6. Let promiseCapability be NewPromiseCapability(C).
[...]
11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
[...]
25.4.4.3.1 Runtime Semantics: PerformPromiseRace
1. Repeat
[...]
j. Let result be Invoke(nextPromise, "then",
«promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var value = {};
var thenable = {
then: function(resolve) {
resolve(value);
}
};
Promise.race([thenable])
.then(function(val) {
if (val !== value) {
$DONE('The promise should be resolved with the correct value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

46
test/built-ins/Promise/race/resolve-poisoned-then.js Normal file
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// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with an object with a "poisoned" `then` property
es6id: 25.4.4.3
info: >
[...]
6. Let promiseCapability be NewPromiseCapability(C).
[...]
11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
[...]
25.4.4.3.1 Runtime Semantics: PerformPromiseRace
1. Repeat
[...]
j. Let result be Invoke(nextPromise, "then",
«promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
---*/
var value = {};
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
var thenable = {
then: function(resolve) {
resolve(poisonedThen);
}
};
Promise.race([thenable])
.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(val) {
if (val !== value) {
$DONE('The promise should be rejected with the correct value.');
return;
}
$DONE();
});

54
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// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a reference to the promise itself
es6id: 25.4.4.3
info: >
[...]
6. Let promiseCapability be NewPromiseCapability(C).
[...]
11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
[...]
25.4.4.3.1 Runtime Semantics: PerformPromiseRace
1. Repeat
[...]
j. Let result be Invoke(nextPromise, "then",
«promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
6. If SameValue(resolution, promise) is true, then
a. Let selfResolutionError be a newly created TypeError object.
b. Return RejectPromise(promise, selfResolutionError).
---*/
var self, resolve;
var builtinResolve = Promise.resolve;
var thenable = {
then: function(r) {
resolve = r;
}
};
try {
Promise.resolve = function(v) { return v; };
self = Promise.race([thenable]);
} finally {
Promise.resolve = builtinResolve;
}
resolve(self);
self.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(value) {
if (!value) {
$DONE('The promise should be rejected with a value.');
return;
}
if (value.constructor !== TypeError) {
$DONE('The promise should be rejected with a TypeError instance.');
return;
}
$DONE();
});

52
test/built-ins/Promise/race/resolve-thenable.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a thenable object value
es6id: 25.4.4.3
info: >
[...]
6. Let promiseCapability be NewPromiseCapability(C).
[...]
11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
[...]
25.4.4.3.1 Runtime Semantics: PerformPromiseRace
1. Repeat
[...]
j. Let result be Invoke(nextPromise, "then",
«promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var thenableValue = {
then: function(resolve) {
resolve(value);
}
};
var thenable = {
then: function(resolve) {
resolve(thenableValue);
}
};
Promise.race([thenable])
.then(function(val) {
if (val !== value) {
$DONE('The promise should be resolved with the correct value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

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test/built-ins/Promise/resolve-non-obj-deferred.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Resolving with a non-object value after invocation of the executor function
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var resolve;
var promise = new Promise(function(_resolve) {
resolve = _resolve;
});
promise.then(function(value) {
if (value !== 45) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
resolve(45);

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-object value from within the executor function
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var promise = new Promise(function(resolve) {
resolve(45);
});
promise.then(function(value) {
if (value !== 45) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

40
test/built-ins/Promise/resolve-non-thenable-deferred.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Resolving with a non-thenable object value after invocation of the executor function
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var nonThenable = { then: null };
var resolve;
var promise = new Promise(function(_resolve) {
resolve = _resolve;
});
promise.then(function(value) {
if (value !== nonThenable) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
resolve(nonThenable);

37
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Resolving with a non-thenable object value from within the executor function
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var nonThenable = { then: null };
var promise = new Promise(function(resolve) {
resolve(nonThenable);
});
promise.then(function(value) {
if (value !== nonThenable) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

41
test/built-ins/Promise/resolve-poisoned-then-deferred.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Resolving with an object with a "poisoned" `then` property after invocation
of the executor function
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var value = {};
var resolve;
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
var promise = new Promise(function(_resolve) {
resolve = _resolve;
});
promise.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(val) {
if (val !== value) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
});
resolve(poisonedThen);

38
test/built-ins/Promise/resolve-poisoned-then-immed.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Resolving with an object with a "poisoned" `then` property from within the
executor function
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
var value = {};
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
var promise = new Promise(function(resolve) {
resolve(poisonedThen);
});
promise.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(val) {
if (val !== value) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
});

40
test/built-ins/Promise/resolve-self.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a reference to the promise itself
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
6. If SameValue(resolution, promise) is true, then
a. Let selfResolutionError be a newly created TypeError object.
b. Return RejectPromise(promise, selfResolutionError).
---*/
var resolve;
var promise = new Promise(function(_resolve) {
resolve = _resolve;
});
promise.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(reason) {
if (!reason) {
$DONE('The promise should be rejected with a value.');
return;
}
if (reason.constructor !== TypeError) {
$DONE('The promise should be rejected with a TypeError instance.');
return;
}
$DONE();
});
resolve(promise);

44
test/built-ins/Promise/resolve-thenable-deferred.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Resolving with a thenable object value after execution of the executor
function
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var resolve;
var thenable = new Promise(function(resolve) { resolve(value); });
var promise = new Promise(function(_resolve) {
resolve = _resolve;
});
promise.then(function(val) {
if (val !== value) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
resolve(thenable);

40
test/built-ins/Promise/resolve-thenable-immed.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Resolving with a thenable object value from within the executor function
es6id: 25.4.3.1
info: >
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var thenable = new Promise(function(resolve) { resolve(value); });
var promise = new Promise(function(resolve) {
resolve(thenable);
});
promise.then(function(val) {
if (val !== value) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

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test/built-ins/Promise/resolve/resolve-non-obj.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-object value
es6id: 25.4.4.5
info: >
[...]
6. Let resolveResult be Call(promiseCapability.[[Resolve]], undefined,
«x»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
7. If Type(resolution) is not Object, then
a. Return FulfillPromise(promise, resolution).
---*/
Promise.resolve(23).then(function(value) {
if (value !== 23) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

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test/built-ins/Promise/resolve/resolve-non-thenable.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a non-thenable object value
es6id: 25.4.4.5
info: >
[...]
6. Let resolveResult be Call(promiseCapability.[[Resolve]], undefined,
«x»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
a. Return FulfillPromise(promise, resolution).
---*/
var value = {};
Promise.resolve(value).then(function(value) {
if (value !== value) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});

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test/built-ins/Promise/resolve/resolve-poisoned-then.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with an object with a "poisoned" then property
es6id: 25.4.4.5
info: >
[...]
6. Let resolveResult be Call(promiseCapability.[[Resolve]], undefined,
«x»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
---*/
var value = {};
var resolve;
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
Promise.resolve(poisonedThen).then(function() {
$DONE('The promise should not be fulfilled.');
}, function(val) {
if (val !== value) {
$DONE('The promise should be rejected with the provided value.');
return;
}
$DONE();
});

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a reference to the promise itself
es6id: 25.4.4.5
info: >
1. Let C be the this value.
[...]
4. Let promiseCapability be NewPromiseCapability(C).
[...]
6. Let resolveResult be Call(promiseCapability.[[Resolve]], undefined,
«x»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
6. If SameValue(resolution, promise) is true, then
a. Let selfResolutionError be a newly created TypeError object.
b. Return RejectPromise(promise, selfResolutionError).
---*/
var resolve, reject;
var promise = new Promise(function(_resolve, _reject) {
resolve = _resolve;
reject = _reject;
});
var P = function(executor) {
executor(resolve, reject);
return promise;
};
Promise.resolve.call(P, promise)
.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(value) {
if (!value) {
$DONE('The promise should be rejected with a value.');
return;
}
if (value.constructor !== TypeError) {
$DONE('The promise should be rejected with a TypeError instance.');
return;
}
$DONE();
});

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test/built-ins/Promise/resolve/resolve-thenable.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a thenable object value
es6id: 25.4.4.5
info: >
[...]
6. Let resolveResult be Call(promiseCapability.[[Resolve]], undefined,
«x»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
---*/
var value = {};
var thenable = {
then: function(resolve) {
resolve(value);
}
};
Promise.resolve(thenable).then(function(val) {
if (val !== value) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});