Atomics.waitAsync: Return Value

test/built-ins/Atomics/waitAsync/returns-result-object-value-is-promise-resolves-to-ok.js

@@ -0,0 +1,47 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.waitasync
+description: >
+  Atomics.waitAsync returns a result object containing a promise that resolves to "ok" and async is true.
+info: |
+
+  Atomics.waitAsync( typedArray, index, value, timeout )
+
+  1. Return DoWait(async, typedArray, index, value, timeout).
+
+  DoWait ( mode, typedArray, index, value, timeout )
+
+  ...
+  13. Let promiseCapability be undefined.
+  14. If mode is async, then
+    a. Set promiseCapability to ! NewPromiseCapability(%Promise%).
+
+  ...
+  Perform ! CreateDataPropertyOrThrow(_resultObject_, *"async"*, *true*).
+  Perform ! CreateDataPropertyOrThrow(_resultObject_, *"value"*, _promiseCapability_.[[Promise]]).
+  Return _resultObject_.
+
+flags: [async]
+features: [Atomics.waitAsync]
+---*/
+
+const i32a = new Int32Array(
+  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 8)
+);
+
+let {async, value} = Atomics.waitAsync(i32a, 0, 0, 1000);
+assert.sameValue(async, true);
+assert(value instanceof Promise);
+assert.sameValue(Object.getPrototypeOf(value), Promise.prototype);
+
+value.then(outcome => {
+  assert.sameValue(outcome, "ok");
+}).then(() => $DONE(), $DONE);
+
+Atomics.add(i32a, 0, 1);
+Atomics.notify(i32a, 0, 1);
+
+
+

test/built-ins/Atomics/waitAsync/returns-result-object-value-is-promise-resolves-to-timed-out.js

@@ -0,0 +1,44 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.waitasync
+description: >
+  Atomics.waitAsync returns a result object containing a promise that resolves to "timed-out" and async is true.
+info: |
+
+  Atomics.waitAsync( typedArray, index, value, timeout )
+
+  1. Return DoWait(async, typedArray, index, value, timeout).
+
+  DoWait ( mode, typedArray, index, value, timeout )
+
+  ...
+  13. Let promiseCapability be undefined.
+  14. If mode is async, then
+    a. Set promiseCapability to ! NewPromiseCapability(%Promise%).
+
+  ...
+  Perform ! CreateDataPropertyOrThrow(_resultObject_, *"async"*, *true*).
+  Perform ! CreateDataPropertyOrThrow(_resultObject_, *"value"*, _promiseCapability_.[[Promise]]).
+  Return _resultObject_.
+
+flags: [async]
+features: [Atomics.waitAsync]
+---*/
+
+const i32a = new Int32Array(
+  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 8)
+);
+
+let {async, value} = Atomics.waitAsync(i32a, 0, 0, 1);
+assert.sameValue(async, true);
+assert(value instanceof Promise);
+assert.sameValue(Object.getPrototypeOf(value), Promise.prototype);
+
+value.then(outcome => {
+  assert.sameValue(outcome, "timed-out");
+}).then(() => $DONE(), $DONE);
+
+
+

test/built-ins/Atomics/waitAsync/returns-result-object-value-is-string-not-equal.js

@@ -4,8 +4,9 @@
 /*---
 esid: sec-atomics.waitasync
 description: >
-  Atomics.waitAsync returns a promise.
+  Atomics.waitAsync returns a result object containing a string "not-equal" and async is false.
 info: |
+
   Atomics.waitAsync( typedArray, index, value, timeout )
 
   1. Return DoWait(async, typedArray, index, value, timeout).
@@ -18,7 +19,9 @@ info: |
     a. Set promiseCapability to ! NewPromiseCapability(%Promise%).
 
   ...
-  24. Return promiseCapability.[[Promise]].
+  Perform ! CreateDataPropertyOrThrow(_resultObject_, *"async"*, *true*).
+  Perform ! CreateDataPropertyOrThrow(_resultObject_, *"value"*, _promiseCapability_.[[Promise]]).
+  Return _resultObject_.
 
 features: [Atomics.waitAsync]
 ---*/
@@ -27,7 +30,7 @@ const i32a = new Int32Array(
   new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 8)
 );
 
-let p = Atomics.waitAsync(i32a, 0, 0, 0);
+let {async, value} = Atomics.waitAsync(i32a, 0, 1);
 
-assert(p instanceof Promise);
+assert.sameValue(async, false);
-assert.sameValue(Object.getPrototypeOf(p), Promise.prototype);
+assert.sameValue(value, "not-equal");

test/built-ins/Atomics/waitAsync/returns-result-object-value-is-string-timed-out.js

@@ -0,0 +1,36 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.waitasync
+description: >
+  Atomics.waitAsync returns a result object containing a string "not-equal" and async is false.
+info: |
+
+  Atomics.waitAsync( typedArray, index, value, timeout )
+
+  1. Return DoWait(async, typedArray, index, value, timeout).
+
+  DoWait ( mode, typedArray, index, value, timeout )
+
+  ...
+  13. Let promiseCapability be undefined.
+  14. If mode is async, then
+    a. Set promiseCapability to ! NewPromiseCapability(%Promise%).
+
+  ...
+  Perform ! CreateDataPropertyOrThrow(_resultObject_, *"async"*, *true*).
+  Perform ! CreateDataPropertyOrThrow(_resultObject_, *"value"*, _promiseCapability_.[[Promise]]).
+  Return _resultObject_.
+
+features: [Atomics.waitAsync]
+---*/
+
+const i32a = new Int32Array(
+  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 8)
+);
+
+let {async, value} = Atomics.waitAsync(i32a, 0, 0, 0);
+
+assert.sameValue(async, false);
+assert.sameValue(value, "timed-out");