Implement the basic Promise (#1695)

Implement the Promise Constructor and routine: 'then' JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
2017-04-12 22:10:08 +08:00
parent 01fe5ab190
commit eb8dd4602b
23 changed files with 1579 additions and 40 deletions
@@ -0,0 +1,20 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+function foo() {};
+
+var a = new Promise(foo);
+
+assert (a instanceof Promise);
@@ -0,0 +1,50 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var name1 = "";
+var name2 = "";
+var name3 = "";
+function foo() {};
+
+try
+{
+  new Promise();
+}
+catch (e)
+{
+  name1 = e.name;
+}
+
+try
+{
+  Promise(foo);
+}
+catch (e)
+{
+  name2 = e.name;
+}
+
+try
+{
+  new Promise("string");
+}
+catch (e)
+{
+  name3 = e.name;
+}
+
+assert (name1 === "TypeError");
+assert (name2 === "TypeError");
+assert (name3 === "TypeError");
@@ -0,0 +1,16 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+assert (Promise.prototype.length === 1);
@@ -0,0 +1,36 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var obj = {name:""};
+
+var a = new Promise(function(f, r){
+  obj.name = obj.name + "a";
+  f(obj);
+});
+
+a.then(function(x) {
+  x.name = x.name + "b";
+  return x;
+}).then(null, function(x) {
+  x.name = x.name + "c"; // unreachable
+  return x;
+}).then(function(x) {
+  x.name = x.name + "d";
+  assert (obj.name === "aebd");
+});
+
+obj.name = obj.name + "e";
+
+assert (obj.name === "ae")
@@ -0,0 +1,36 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var a = new Promise(function(f, r){
+  r(0);
+});
+
+a
+.then(function f1(x) {
+  return x + 1; // unreachable
+}, function r1(x){
+  return x + 10;
+})
+.then(function f2(x) {
+  throw x + 100
+})
+.then(function f3(x) {
+  return x + 1000 //unreachable
+}, function r3(x) {
+  return x + 10000
+})
+.then(function(x) {
+  assert (x === 10110);
+})
@@ -0,0 +1,26 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var a = new Promise(function(f, r){
+  f("a");
+});
+
+var b = new Promise(function(f, r){
+  f(a);
+})
+
+b.then(function(x) {
+  assert (x === "a");
+})