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-rw-r--r--js/src/tests/Intl/Collator/construct-newtarget.js81
-rw-r--r--js/src/tests/Intl/DateTimeFormat/construct-newtarget.js81
-rw-r--r--js/src/tests/Intl/NumberFormat/construct-newtarget.js81
-rw-r--r--js/src/tests/ecma_2017/AsyncFunctions/construct-newtarget.js79
-rw-r--r--js/src/tests/ecma_2017/AsyncFunctions/subclass.js31
-rw-r--r--js/src/tests/ecma_6/Generators/construct-newtarget.js79
-rw-r--r--js/src/tests/ecma_6/Generators/subclass.js33
7 files changed, 465 insertions, 0 deletions
diff --git a/js/src/tests/Intl/Collator/construct-newtarget.js b/js/src/tests/Intl/Collator/construct-newtarget.js
new file mode 100644
index 000000000..5db1abf37
--- /dev/null
+++ b/js/src/tests/Intl/Collator/construct-newtarget.js
@@ -0,0 +1,81 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+// Test subclassing %Intl.Collator% works correctly.
+class MyCollator extends Intl.Collator {}
+
+var obj = new MyCollator();
+assertEq(obj instanceof MyCollator, true);
+assertEq(obj instanceof Intl.Collator, true);
+assertEq(Object.getPrototypeOf(obj), MyCollator.prototype);
+
+obj = Reflect.construct(MyCollator, []);
+assertEq(obj instanceof MyCollator, true);
+assertEq(obj instanceof Intl.Collator, true);
+assertEq(Object.getPrototypeOf(obj), MyCollator.prototype);
+
+obj = Reflect.construct(MyCollator, [], MyCollator);
+assertEq(obj instanceof MyCollator, true);
+assertEq(obj instanceof Intl.Collator, true);
+assertEq(Object.getPrototypeOf(obj), MyCollator.prototype);
+
+obj = Reflect.construct(MyCollator, [], Intl.Collator);
+assertEq(obj instanceof MyCollator, false);
+assertEq(obj instanceof Intl.Collator, true);
+assertEq(Object.getPrototypeOf(obj), Intl.Collator.prototype);
+
+
+// Set a different constructor as NewTarget.
+obj = Reflect.construct(MyCollator, [], Array);
+assertEq(obj instanceof MyCollator, false);
+assertEq(obj instanceof Intl.Collator, false);
+assertEq(obj instanceof Array, true);
+assertEq(Object.getPrototypeOf(obj), Array.prototype);
+
+obj = Reflect.construct(Intl.Collator, [], Array);
+assertEq(obj instanceof Intl.Collator, false);
+assertEq(obj instanceof Array, true);
+assertEq(Object.getPrototypeOf(obj), Array.prototype);
+
+
+// The prototype defaults to %CollatorPrototype% if null.
+function NewTargetNullPrototype() {}
+NewTargetNullPrototype.prototype = null;
+
+obj = Reflect.construct(Intl.Collator, [], NewTargetNullPrototype);
+assertEq(obj instanceof Intl.Collator, true);
+assertEq(Object.getPrototypeOf(obj), Intl.Collator.prototype);
+
+obj = Reflect.construct(MyCollator, [], NewTargetNullPrototype);
+assertEq(obj instanceof MyCollator, false);
+assertEq(obj instanceof Intl.Collator, true);
+assertEq(Object.getPrototypeOf(obj), Intl.Collator.prototype);
+
+
+// "prototype" property is retrieved exactly once.
+var trapLog = [], getLog = [];
+var ProxiedConstructor = new Proxy(Intl.Collator, new Proxy({
+ get(target, propertyKey, receiver) {
+ getLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}, {
+ get(target, propertyKey, receiver) {
+ trapLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}));
+
+obj = Reflect.construct(Intl.Collator, [], ProxiedConstructor);
+assertEqArray(trapLog, ["get"]);
+assertEqArray(getLog, ["prototype"]);
+assertEq(obj instanceof Intl.Collator, true);
+assertEq(Object.getPrototypeOf(obj), Intl.Collator.prototype);
+
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);
diff --git a/js/src/tests/Intl/DateTimeFormat/construct-newtarget.js b/js/src/tests/Intl/DateTimeFormat/construct-newtarget.js
new file mode 100644
index 000000000..bbc08c79a
--- /dev/null
+++ b/js/src/tests/Intl/DateTimeFormat/construct-newtarget.js
@@ -0,0 +1,81 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+// Test subclassing %Intl.DateTimeFormat% works correctly.
+class MyDateTimeFormat extends Intl.DateTimeFormat {}
+
+var obj = new MyDateTimeFormat();
+assertEq(obj instanceof MyDateTimeFormat, true);
+assertEq(obj instanceof Intl.DateTimeFormat, true);
+assertEq(Object.getPrototypeOf(obj), MyDateTimeFormat.prototype);
+
+obj = Reflect.construct(MyDateTimeFormat, []);
+assertEq(obj instanceof MyDateTimeFormat, true);
+assertEq(obj instanceof Intl.DateTimeFormat, true);
+assertEq(Object.getPrototypeOf(obj), MyDateTimeFormat.prototype);
+
+obj = Reflect.construct(MyDateTimeFormat, [], MyDateTimeFormat);
+assertEq(obj instanceof MyDateTimeFormat, true);
+assertEq(obj instanceof Intl.DateTimeFormat, true);
+assertEq(Object.getPrototypeOf(obj), MyDateTimeFormat.prototype);
+
+obj = Reflect.construct(MyDateTimeFormat, [], Intl.DateTimeFormat);
+assertEq(obj instanceof MyDateTimeFormat, false);
+assertEq(obj instanceof Intl.DateTimeFormat, true);
+assertEq(Object.getPrototypeOf(obj), Intl.DateTimeFormat.prototype);
+
+
+// Set a different constructor as NewTarget.
+obj = Reflect.construct(MyDateTimeFormat, [], Array);
+assertEq(obj instanceof MyDateTimeFormat, false);
+assertEq(obj instanceof Intl.DateTimeFormat, false);
+assertEq(obj instanceof Array, true);
+assertEq(Object.getPrototypeOf(obj), Array.prototype);
+
+obj = Reflect.construct(Intl.DateTimeFormat, [], Array);
+assertEq(obj instanceof Intl.DateTimeFormat, false);
+assertEq(obj instanceof Array, true);
+assertEq(Object.getPrototypeOf(obj), Array.prototype);
+
+
+// The prototype defaults to %DateTimeFormatPrototype% if null.
+function NewTargetNullPrototype() {}
+NewTargetNullPrototype.prototype = null;
+
+obj = Reflect.construct(Intl.DateTimeFormat, [], NewTargetNullPrototype);
+assertEq(obj instanceof Intl.DateTimeFormat, true);
+assertEq(Object.getPrototypeOf(obj), Intl.DateTimeFormat.prototype);
+
+obj = Reflect.construct(MyDateTimeFormat, [], NewTargetNullPrototype);
+assertEq(obj instanceof MyDateTimeFormat, false);
+assertEq(obj instanceof Intl.DateTimeFormat, true);
+assertEq(Object.getPrototypeOf(obj), Intl.DateTimeFormat.prototype);
+
+
+// "prototype" property is retrieved exactly once.
+var trapLog = [], getLog = [];
+var ProxiedConstructor = new Proxy(Intl.DateTimeFormat, new Proxy({
+ get(target, propertyKey, receiver) {
+ getLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}, {
+ get(target, propertyKey, receiver) {
+ trapLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}));
+
+obj = Reflect.construct(Intl.DateTimeFormat, [], ProxiedConstructor);
+assertEqArray(trapLog, ["get"]);
+assertEqArray(getLog, ["prototype"]);
+assertEq(obj instanceof Intl.DateTimeFormat, true);
+assertEq(Object.getPrototypeOf(obj), Intl.DateTimeFormat.prototype);
+
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);
diff --git a/js/src/tests/Intl/NumberFormat/construct-newtarget.js b/js/src/tests/Intl/NumberFormat/construct-newtarget.js
new file mode 100644
index 000000000..0053b2737
--- /dev/null
+++ b/js/src/tests/Intl/NumberFormat/construct-newtarget.js
@@ -0,0 +1,81 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+// Test subclassing %Intl.NumberFormat% works correctly.
+class MyNumberFormat extends Intl.NumberFormat {}
+
+var obj = new MyNumberFormat();
+assertEq(obj instanceof MyNumberFormat, true);
+assertEq(obj instanceof Intl.NumberFormat, true);
+assertEq(Object.getPrototypeOf(obj), MyNumberFormat.prototype);
+
+obj = Reflect.construct(MyNumberFormat, []);
+assertEq(obj instanceof MyNumberFormat, true);
+assertEq(obj instanceof Intl.NumberFormat, true);
+assertEq(Object.getPrototypeOf(obj), MyNumberFormat.prototype);
+
+obj = Reflect.construct(MyNumberFormat, [], MyNumberFormat);
+assertEq(obj instanceof MyNumberFormat, true);
+assertEq(obj instanceof Intl.NumberFormat, true);
+assertEq(Object.getPrototypeOf(obj), MyNumberFormat.prototype);
+
+obj = Reflect.construct(MyNumberFormat, [], Intl.NumberFormat);
+assertEq(obj instanceof MyNumberFormat, false);
+assertEq(obj instanceof Intl.NumberFormat, true);
+assertEq(Object.getPrototypeOf(obj), Intl.NumberFormat.prototype);
+
+
+// Set a different constructor as NewTarget.
+obj = Reflect.construct(MyNumberFormat, [], Array);
+assertEq(obj instanceof MyNumberFormat, false);
+assertEq(obj instanceof Intl.NumberFormat, false);
+assertEq(obj instanceof Array, true);
+assertEq(Object.getPrototypeOf(obj), Array.prototype);
+
+obj = Reflect.construct(Intl.NumberFormat, [], Array);
+assertEq(obj instanceof Intl.NumberFormat, false);
+assertEq(obj instanceof Array, true);
+assertEq(Object.getPrototypeOf(obj), Array.prototype);
+
+
+// The prototype defaults to %NumberFormatPrototype% if null.
+function NewTargetNullPrototype() {}
+NewTargetNullPrototype.prototype = null;
+
+obj = Reflect.construct(Intl.NumberFormat, [], NewTargetNullPrototype);
+assertEq(obj instanceof Intl.NumberFormat, true);
+assertEq(Object.getPrototypeOf(obj), Intl.NumberFormat.prototype);
+
+obj = Reflect.construct(MyNumberFormat, [], NewTargetNullPrototype);
+assertEq(obj instanceof MyNumberFormat, false);
+assertEq(obj instanceof Intl.NumberFormat, true);
+assertEq(Object.getPrototypeOf(obj), Intl.NumberFormat.prototype);
+
+
+// "prototype" property is retrieved exactly once.
+var trapLog = [], getLog = [];
+var ProxiedConstructor = new Proxy(Intl.NumberFormat, new Proxy({
+ get(target, propertyKey, receiver) {
+ getLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}, {
+ get(target, propertyKey, receiver) {
+ trapLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}));
+
+obj = Reflect.construct(Intl.NumberFormat, [], ProxiedConstructor);
+assertEqArray(trapLog, ["get"]);
+assertEqArray(getLog, ["prototype"]);
+assertEq(obj instanceof Intl.NumberFormat, true);
+assertEq(Object.getPrototypeOf(obj), Intl.NumberFormat.prototype);
+
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);
diff --git a/js/src/tests/ecma_2017/AsyncFunctions/construct-newtarget.js b/js/src/tests/ecma_2017/AsyncFunctions/construct-newtarget.js
new file mode 100644
index 000000000..7d75d0c93
--- /dev/null
+++ b/js/src/tests/ecma_2017/AsyncFunctions/construct-newtarget.js
@@ -0,0 +1,79 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const AsyncFunction = async function(){}.constructor;
+
+
+// Test subclassing %AsyncFunction% works correctly.
+class MyAsync extends AsyncFunction {}
+
+var fn = new MyAsync();
+assertEq(fn instanceof MyAsync, true);
+assertEq(fn instanceof AsyncFunction, true);
+assertEq(Object.getPrototypeOf(fn), MyAsync.prototype);
+
+fn = Reflect.construct(MyAsync, []);
+assertEq(fn instanceof MyAsync, true);
+assertEq(fn instanceof AsyncFunction, true);
+assertEq(Object.getPrototypeOf(fn), MyAsync.prototype);
+
+fn = Reflect.construct(MyAsync, [], MyAsync);
+assertEq(fn instanceof MyAsync, true);
+assertEq(fn instanceof AsyncFunction, true);
+assertEq(Object.getPrototypeOf(fn), MyAsync.prototype);
+
+fn = Reflect.construct(MyAsync, [], AsyncFunction);
+assertEq(fn instanceof MyAsync, false);
+assertEq(fn instanceof AsyncFunction, true);
+assertEq(Object.getPrototypeOf(fn), AsyncFunction.prototype);
+
+
+// Set a different constructor as NewTarget.
+fn = Reflect.construct(MyAsync, [], Array);
+assertEq(fn instanceof MyAsync, false);
+assertEq(fn instanceof AsyncFunction, false);
+assertEq(Object.getPrototypeOf(fn), Array.prototype);
+
+fn = Reflect.construct(AsyncFunction, [], Array);
+assertEq(fn instanceof AsyncFunction, false);
+assertEq(Object.getPrototypeOf(fn), Array.prototype);
+
+
+// The prototype defaults to %AsyncFunctionPrototype% if null.
+function NewTargetNullPrototype() {}
+NewTargetNullPrototype.prototype = null;
+
+fn = Reflect.construct(AsyncFunction, [], NewTargetNullPrototype);
+assertEq(fn instanceof AsyncFunction, true);
+assertEq(Object.getPrototypeOf(fn), AsyncFunction.prototype);
+
+fn = Reflect.construct(MyAsync, [], NewTargetNullPrototype);
+assertEq(fn instanceof MyAsync, false);
+assertEq(fn instanceof AsyncFunction, true);
+assertEq(Object.getPrototypeOf(fn), AsyncFunction.prototype);
+
+
+// "prototype" property is retrieved exactly once.
+var trapLog = [], getLog = [];
+var ProxiedConstructor = new Proxy(AsyncFunction, new Proxy({
+ get(target, propertyKey, receiver) {
+ getLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}, {
+ get(target, propertyKey, receiver) {
+ trapLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}));
+
+fn = Reflect.construct(AsyncFunction, [], ProxiedConstructor);
+assertEqArray(trapLog, ["get"]);
+assertEqArray(getLog, ["prototype"]);
+assertEq(fn instanceof AsyncFunction, true);
+assertEq(Object.getPrototypeOf(fn), AsyncFunction.prototype);
+
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);
diff --git a/js/src/tests/ecma_2017/AsyncFunctions/subclass.js b/js/src/tests/ecma_2017/AsyncFunctions/subclass.js
new file mode 100644
index 000000000..da20ab19b
--- /dev/null
+++ b/js/src/tests/ecma_2017/AsyncFunctions/subclass.js
@@ -0,0 +1,31 @@
+// |reftest| skip-if(!xulRuntime.shell) -- needs drainJobQueue
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const AsyncFunction = async function(){}.constructor;
+
+class MyAsync extends AsyncFunction {}
+
+// MyGen inherits from %AsyncFunction%.
+assertEq(Object.getPrototypeOf(MyAsync), AsyncFunction);
+
+// MyGen.prototype inherits from %AsyncFunctionPrototype%.
+assertEq(Object.getPrototypeOf(MyAsync.prototype), AsyncFunction.prototype);
+
+var fn = new MyAsync("return await 'ok';");
+
+// fn inherits from MyAsync.prototype.
+assertEq(Object.getPrototypeOf(fn), MyAsync.prototype);
+
+// Ensure the new async function can be executed.
+var promise = fn();
+
+// promise inherits from %Promise.prototype%.
+assertEq(Object.getPrototypeOf(promise), Promise.prototype);
+
+// Computes the expected result.
+assertEventuallyEq(promise, "ok");
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);
diff --git a/js/src/tests/ecma_6/Generators/construct-newtarget.js b/js/src/tests/ecma_6/Generators/construct-newtarget.js
new file mode 100644
index 000000000..f2087852b
--- /dev/null
+++ b/js/src/tests/ecma_6/Generators/construct-newtarget.js
@@ -0,0 +1,79 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const GeneratorFunction = function*(){}.constructor;
+
+
+// Test subclassing %GeneratorFunction% works correctly.
+class MyGenerator extends GeneratorFunction {}
+
+var fn = new MyGenerator();
+assertEq(fn instanceof MyGenerator, true);
+assertEq(fn instanceof GeneratorFunction, true);
+assertEq(Object.getPrototypeOf(fn), MyGenerator.prototype);
+
+fn = Reflect.construct(MyGenerator, []);
+assertEq(fn instanceof MyGenerator, true);
+assertEq(fn instanceof GeneratorFunction, true);
+assertEq(Object.getPrototypeOf(fn), MyGenerator.prototype);
+
+fn = Reflect.construct(MyGenerator, [], MyGenerator);
+assertEq(fn instanceof MyGenerator, true);
+assertEq(fn instanceof GeneratorFunction, true);
+assertEq(Object.getPrototypeOf(fn), MyGenerator.prototype);
+
+fn = Reflect.construct(MyGenerator, [], GeneratorFunction);
+assertEq(fn instanceof MyGenerator, false);
+assertEq(fn instanceof GeneratorFunction, true);
+assertEq(Object.getPrototypeOf(fn), GeneratorFunction.prototype);
+
+
+// Set a different constructor as NewTarget.
+fn = Reflect.construct(MyGenerator, [], Array);
+assertEq(fn instanceof MyGenerator, false);
+assertEq(fn instanceof GeneratorFunction, false);
+assertEq(Object.getPrototypeOf(fn), Array.prototype);
+
+fn = Reflect.construct(GeneratorFunction, [], Array);
+assertEq(fn instanceof GeneratorFunction, false);
+assertEq(Object.getPrototypeOf(fn), Array.prototype);
+
+
+// The prototype defaults to %GeneratorFunctionPrototype% if null.
+function NewTargetNullPrototype() {}
+NewTargetNullPrototype.prototype = null;
+
+fn = Reflect.construct(GeneratorFunction, [], NewTargetNullPrototype);
+assertEq(fn instanceof GeneratorFunction, true);
+assertEq(Object.getPrototypeOf(fn), GeneratorFunction.prototype);
+
+fn = Reflect.construct(MyGenerator, [], NewTargetNullPrototype);
+assertEq(fn instanceof MyGenerator, false);
+assertEq(fn instanceof GeneratorFunction, true);
+assertEq(Object.getPrototypeOf(fn), GeneratorFunction.prototype);
+
+
+// "prototype" property is retrieved exactly once.
+var trapLog = [], getLog = [];
+var ProxiedConstructor = new Proxy(GeneratorFunction, new Proxy({
+ get(target, propertyKey, receiver) {
+ getLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}, {
+ get(target, propertyKey, receiver) {
+ trapLog.push(propertyKey);
+ return Reflect.get(target, propertyKey, receiver);
+ }
+}));
+
+fn = Reflect.construct(GeneratorFunction, [], ProxiedConstructor);
+assertEqArray(trapLog, ["get"]);
+assertEqArray(getLog, ["prototype"]);
+assertEq(fn instanceof GeneratorFunction, true);
+assertEq(Object.getPrototypeOf(fn), GeneratorFunction.prototype);
+
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);
diff --git a/js/src/tests/ecma_6/Generators/subclass.js b/js/src/tests/ecma_6/Generators/subclass.js
new file mode 100644
index 000000000..f93f4df4d
--- /dev/null
+++ b/js/src/tests/ecma_6/Generators/subclass.js
@@ -0,0 +1,33 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const GeneratorFunction = function*(){}.constructor;
+
+class MyGen extends GeneratorFunction {}
+
+// MyGen inherits from %GeneratorFunction%.
+assertEq(Object.getPrototypeOf(MyGen), GeneratorFunction);
+
+// MyGen.prototype inherits from %Generator%.
+assertEq(Object.getPrototypeOf(MyGen.prototype), GeneratorFunction.prototype);
+
+var fn = new MyGen("yield* [1, 2, 3]");
+
+// fn inherits from MyGen.prototype.
+assertEq(Object.getPrototypeOf(fn), MyGen.prototype);
+
+// fn.prototype inherits from %GeneratorPrototype%.
+assertEq(Object.getPrototypeOf(fn.prototype), GeneratorFunction.prototype.prototype);
+
+// Ensure the new generator function can be executed.
+var it = fn();
+
+// it inherits from fn.prototype.
+assertEq(Object.getPrototypeOf(it), fn.prototype);
+
+// Computes the expected result.
+assertEqArray([...it], [1, 2, 3]);
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);