Remove Promise.cast

test/mjsunit/es6/promises.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --harmony-promises --harmony-observation --allow-natives-syntax
+// Flags: --harmony-promises --allow-natives-syntax
 
 var asyncAssertsExpected = 0;
 
 function assertAsyncRan() { ++asyncAssertsExpected }
 
 function assertAsync(b, s) {
   if (b) {
     print(s, "succeeded")
   } else {
     %AbortJS(s + " FAILED!")  // Simply throwing here will have no effect.
@@ skipping 36 matching lines @@
 
 (function() {
   (new Promise(function() { throw 5 })).chain(
     assertUnreachable,
     function(r) { assertAsync(r === 5, "new-throw") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  Promise.resolve(5);
-  Promise.resolve(5).chain(undefined, assertUnreachable).chain(
+  Promise.accept(5);
+  Promise.accept(5).chain(undefined, assertUnreachable).chain(
     function(x) { assertAsync(x === 5, "resolved/chain-nohandler") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
   Promise.reject(5).chain(assertUnreachable, undefined).chain(
     assertUnreachable,
     function(r) { assertAsync(r === 5, "rejected/chain-nohandler") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  Promise.resolve(5).then(undefined, assertUnreachable).chain(
+  Promise.accept(5).then(undefined, assertUnreachable).chain(
     function(x) { assertAsync(x === 5, "resolved/then-nohandler-undefined") },
     assertUnreachable
   )
   assertAsyncRan()
-  Promise.resolve(6).then(null, assertUnreachable).chain(
+  Promise.accept(6).then(null, assertUnreachable).chain(
     function(x) { assertAsync(x === 6, "resolved/then-nohandler-null") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
   Promise.reject(5).then(assertUnreachable, undefined).chain(
     assertUnreachable,
     function(r) { assertAsync(r === 5, "rejected/then-nohandler-undefined") }
   )
   assertAsyncRan()
   Promise.reject(6).then(assertUnreachable, null).chain(
     assertUnreachable,
     function(r) { assertAsync(r === 6, "rejected/then-nohandler-null") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(
     function(x) { assertAsync(x === p2, "resolved/chain") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.then(
     function(x) { assertAsync(x === 5, "resolved/then") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
   var p1 = Promise.reject(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(
     function(x) { assertAsync(x === p2, "rejected/chain") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
   var p1 = Promise.reject(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.then(
     assertUnreachable,
     function(x) { assertAsync(x === 5, "rejected/then") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(function(x) { return x }, assertUnreachable).chain(
     function(x) { assertAsync(x === p1, "resolved/chain/chain") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(function(x) { return x }, assertUnreachable).then(
     function(x) { assertAsync(x === 5, "resolved/chain/then") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(function(x) { return 6 }, assertUnreachable).chain(
     function(x) { assertAsync(x === 6, "resolved/chain/chain2") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(function(x) { return 6 }, assertUnreachable).then(
     function(x) { assertAsync(x === 6, "resolved/chain/then2") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.then(function(x) { return x + 1 }, assertUnreachable).chain(
     function(x) { assertAsync(x === 6, "resolved/then/chain") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.then(function(x) { return x + 1 }, assertUnreachable).then(
     function(x) { assertAsync(x === 6, "resolved/then/then") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
-  p3.then(function(x){ return Promise.resolve(x+1) }, assertUnreachable).chain(
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
+  p3.then(function(x){ return Promise.accept(x+1) }, assertUnreachable).chain(
     function(x) { assertAsync(x === 6, "resolved/then/chain2") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
-  p3.then(function(x) { return Promise.resolve(x+1) }, assertUnreachable).then(
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
+  p3.then(function(x) { return Promise.accept(x+1) }, assertUnreachable).then(
     function(x) { assertAsync(x === 6, "resolved/then/then2") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(function(x) { throw 6 }, assertUnreachable).chain(
     assertUnreachable,
     function(x) { assertAsync(x === 6, "resolved/chain-throw/chain") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(function(x) { throw 6 }, assertUnreachable).then(
     assertUnreachable,
     function(x) { assertAsync(x === 6, "resolved/chain-throw/then") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.then(function(x) { throw 6 }, assertUnreachable).chain(
     assertUnreachable,
     function(x) { assertAsync(x === 6, "resolved/then-throw/chain") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.then(function(x) { throw 6 }, assertUnreachable).then(
     assertUnreachable,
     function(x) { assertAsync(x === 6, "resolved/then-throw/then") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
+  var p1 = Promise.accept(5)
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
-  var p3 = Promise.resolve(p2)
+  var p3 = Promise.accept(p2)
   p3.chain(
     function(x) { assertAsync(x === p2, "resolved/thenable/chain") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
+  var p1 = Promise.accept(5)
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
-  var p3 = Promise.resolve(p2)
+  var p3 = Promise.accept(p2)
   p3.then(
     function(x) { assertAsync(x === 5, "resolved/thenable/then") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
   var p1 = Promise.reject(5)
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
-  var p3 = Promise.resolve(p2)
+  var p3 = Promise.accept(p2)
   p3.chain(
     function(x) { assertAsync(x === p2, "rejected/thenable/chain") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
   var p1 = Promise.reject(5)
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
-  var p3 = Promise.resolve(p2)
+  var p3 = Promise.accept(p2)
   p3.then(
     assertUnreachable,
     function(x) { assertAsync(x === 5, "rejected/thenable/then") }
   )
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(
     function(x) { assertAsync(x === p2, "chain/resolve") },
     assertUnreachable
   )
   deferred.resolve(5)
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.then(
     function(x) { assertAsync(x === 5, "then/resolve") },
     assertUnreachable
   )
   deferred.resolve(5)
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.chain(
     function(x) { assertAsync(x === p2, "chain/reject") },
     assertUnreachable
   )
   deferred.reject(5)
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
-  var p2 = Promise.resolve(p1)
-  var p3 = Promise.resolve(p2)
+  var p2 = Promise.accept(p1)
+  var p3 = Promise.accept(p2)
   p3.then(
     assertUnreachable,
     function(x) { assertAsync(x === 5, "then/reject") }
   )
   deferred.reject(5)
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
-  var p3 = Promise.resolve(p2)
+  var p3 = Promise.accept(p2)
   p3.chain(
     function(x) { assertAsync(x === p2, "chain/resolve/thenable") },
     assertUnreachable
   )
   deferred.resolve(5)
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
-  var p3 = Promise.resolve(p2)
+  var p3 = Promise.accept(p2)
   p3.then(
     function(x) { assertAsync(x === 5, "then/resolve/thenable") },
     assertUnreachable
   )
   deferred.resolve(5)
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
-  var p3 = Promise.resolve(p2)
+  var p3 = Promise.accept(p2)
   p3.chain(
     function(x) { assertAsync(x === p2, "chain/reject/thenable") },
     assertUnreachable
   )
   deferred.reject(5)
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
-  var p3 = Promise.resolve(p2)
+  var p3 = Promise.accept(p2)
   p3.then(
     assertUnreachable,
     function(x) { assertAsync(x === 5, "then/reject/thenable") }
   )
   deferred.reject(5)
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
   var deferred = Promise.defer()
   var p3 = deferred.promise
   p3.chain(
     function(x) { assertAsync(x === p2, "chain/resolve2") },
     assertUnreachable
   )
   deferred.resolve(p2)
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
   var deferred = Promise.defer()
   var p3 = deferred.promise
   p3.then(
     function(x) { assertAsync(x === 5, "then/resolve2") },
     assertUnreachable
   )
   deferred.resolve(p2)
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
   var deferred = Promise.defer()
   var p3 = deferred.promise
   p3.chain(
     assertUnreachable,
     function(x) { assertAsync(x === 5, "chain/reject2") }
   )
   deferred.reject(5)
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
-  var p2 = Promise.resolve(p1)
+  var p1 = Promise.accept(5)
+  var p2 = Promise.accept(p1)
   var deferred = Promise.defer()
   var p3 = deferred.promise
   p3.then(
     assertUnreachable,
     function(x) { assertAsync(x === 5, "then/reject2") }
   )
   deferred.reject(5)
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
+  var p1 = Promise.accept(5)
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
   var deferred = Promise.defer()
   var p3 = deferred.promise
   p3.chain(
     function(x) { assertAsync(x === p2, "chain/resolve/thenable2") },
     assertUnreachable
   )
   deferred.resolve(p2)
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(5)
+  var p1 = Promise.accept(5)
   var p2 = {then: function(onResolve, onReject) { onResolve(p1) }}
   var deferred = Promise.defer()
   var p3 = deferred.promise
   p3.then(
     function(x) { assertAsync(x === 5, "then/resolve/thenable2") },
     assertUnreachable
   )
   deferred.resolve(p2)
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(0)
+  var p1 = Promise.accept(0)
   var p2 = p1.chain(function(x) { return p2 }, assertUnreachable)
   p2.chain(
     assertUnreachable,
     function(r) { assertAsync(r instanceof TypeError, "cyclic/chain") }
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(0)
+  var p1 = Promise.accept(0)
   var p2 = p1.then(function(x) { return p2 }, assertUnreachable)
   p2.chain(
     assertUnreachable,
     function(r) { assertAsync(r instanceof TypeError, "cyclic/then") }
   )
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
@@ skipping 54 matching lines @@
   deferred2.resolve(2)
   assertAsyncRan()
   assertAsyncRan()
   assertAsyncRan()
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
-  var p2 = Promise.resolve(2)
+  var p2 = Promise.accept(2)
   var p3 = Promise.defer().promise
   Promise.all([p1, p2, p3]).chain(
     assertUnreachable,
     assertUnreachable
   )
   deferred.resolve(1)
 })();
 
 (function() {
   var deferred1 = Promise.defer()
@@ skipping 13 matching lines @@
 })();
 
 (function() {
   Promise.race([]).chain(
     assertUnreachable,
     assertUnreachable
   )
 })();
 
 (function() {
-  var p1 = Promise.resolve(1)
-  var p2 = Promise.resolve(2)
-  var p3 = Promise.resolve(3)
+  var p1 = Promise.accept(1)
+  var p2 = Promise.accept(2)
+  var p3 = Promise.accept(3)
   Promise.race([p1, p2, p3]).chain(
     function(x) { assertAsync(x === 1, "resolved/one") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
-  var p1 = Promise.resolve(1)
-  var p2 = Promise.resolve(2)
-  var p3 = Promise.resolve(3)
+  var p1 = Promise.accept(1)
+  var p2 = Promise.accept(2)
+  var p3 = Promise.accept(3)
   Promise.race([0, p1, p2, p3]).chain(
     function(x) { assertAsync(x === 0, "resolved-const/one") },
     assertUnreachable
   )
   assertAsyncRan()
 })();
 
 (function() {
   Promise.race({}).chain(
     assertUnreachable,
@@ skipping 14 matching lines @@
     assertUnreachable
   )
   deferred3.resolve(3)
   deferred1.resolve(1)
   assertAsyncRan()
 })();
 
 (function() {
   var deferred = Promise.defer()
   var p1 = deferred.promise
-  var p2 = Promise.resolve(2)
+  var p2 = Promise.accept(2)
   var p3 = Promise.defer().promise
   Promise.race([p1, p2, p3]).chain(
     function(x) { assertAsync(x === 2, "resolved/one") },
     assertUnreachable
   )
   deferred.resolve(1)
   assertAsyncRan()
 })();
 
 (function() {
@@ skipping 74 matching lines @@
 
   log = ""
   var d6 = MyPromise.defer()
   d6.promise.chain(function(x) {
     return new Promise(function(resolve) { resolve(x) })
   }).chain(function() {})
   d6.resolve(6)
   assertTrue(log === "dncncnx6", "subclass/chain")
 
   log = ""
-  Promise.all([11, Promise.resolve(12), 13, MyPromise.resolve(14), 15, 16])
+  Promise.all([11, Promise.accept(12), 13, MyPromise.accept(14), 15, 16])
   assertTrue(log === "nx14cn", "subclass/all/arg")
 
   log = ""
-  MyPromise.all([21, Promise.resolve(22), 23, MyPromise.resolve(24), 25, 26])
+  MyPromise.all([21, Promise.accept(22), 23, MyPromise.accept(24), 25, 26])
   assertTrue(log === "nx24nnx21cnnx23cncnnx25cnnx26cn", "subclass/all/self")
 })();
 
 
 assertAsyncDone()