Coverage: lexical arguments, new.target, in async arrow functions. Fixes gh-1737

src/async-functions/returns-async-arrow-returns-arguments-from-parent-function.case

@@ -0,0 +1,30 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-async-arrow-function-definitions
+desc: >
+  Async function returns an async function.
+templates:
+  - syntax/async-class-*.template
+  - syntax/async-declaration.template
+  - syntax/async-expression-*.template
+  - syntax/async-obj-method.template
+flags: [async]
+---*/
+
+//- setup
+let count = 0;
+//- params
+x
+//- body
+  let a = arguments;
+  return async () => a === arguments;
+//- teardown
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, true);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);

src/async-functions/returns-async-arrow-returns-newtarget.case

@@ -0,0 +1,29 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-async-arrow-function-definitions
+desc: >
+  Async function returns an async function.
+templates:
+  - syntax/async-class-*.template
+  - syntax/async-declaration.template
+  - syntax/async-expression-*.template
+  - syntax/async-obj-method.template
+flags: [async]
+---*/
+
+//- setup
+let count = 0;
+//- params
+x
+//- body
+  return async () => new.target;
+//- teardown
+asyncFn().then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);

src/async-functions/returns-async-arrow.case

@@ -0,0 +1,29 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-async-arrow-function-definitions
+desc: >
+  Async function returns an async function.
+templates:
+  - syntax/async-class-*.template
+  - syntax/async-declaration.template
+  - syntax/async-expression-*.template
+  - syntax/async-obj-method.template
+flags: [async]
+---*/
+
+//- setup
+let count = 0;
+//- params
+x
+//- body
+  return async () => x;
+//- teardown
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);

src/async-functions/returns-async-function-returns-arguments-from-own-function.case

@@ -0,0 +1,30 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-async-arrow-function-definitions
+desc: >
+  Async function returns an async function.
+templates:
+  - syntax/async-class-*.template
+  - syntax/async-declaration.template
+  - syntax/async-expression-*.template
+  - syntax/async-obj-method.template
+flags: [async]
+---*/
+
+//- setup
+let count = 0;
+//- params
+x
+//- body
+  let a = arguments;
+  return async function() { return a === arguments; };
+//- teardown
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, false);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);

src/async-functions/returns-async-function-returns-newtarget.case

@@ -0,0 +1,29 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-async-arrow-function-definitions
+desc: >
+  Async function returns an async function.
+templates:
+  - syntax/async-class-*.template
+  - syntax/async-declaration.template
+  - syntax/async-expression-*.template
+  - syntax/async-obj-method.template
+flags: [async]
+---*/
+
+//- setup
+let count = 0;
+//- params
+x
+//- body
+  return async function() { return new.target; };
+//- teardown
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, undefined);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);

src/async-functions/returns-async-function.case

@@ -0,0 +1,29 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-async-arrow-function-definitions
+desc: >
+  Async function returns an async function.
+templates:
+  - syntax/async-class-*.template
+  - syntax/async-declaration.template
+  - syntax/async-expression-*.template
+  - syntax/async-obj-method.template
+flags: [async]
+---*/
+
+//- setup
+let count = 0;
+//- params
+x
+//- body
+  return async function() { return x; };
+//- teardown
+asyncFn(1).then(retFn => {
+  count++;
+  return retFn();
+}).then(result => {
+  assert.sameValue(result, 1);
+  assert.sameValue(count, 1);
+}).then($DONE, $DONE);

src/async-functions/syntax/async-arrow.template

@@ -17,6 +17,6 @@ info: |
 features: [async-functions]
 ---*/
 
-async() => {
+async (/*{ params }*/) => {
   /*{ body }*/
-};
+}

src/async-functions/syntax/async-class-decl-method.template

@@ -19,6 +19,11 @@ info: |
 features: [async-functions]
 ---*/
 
-class C { async method() {
+class C {
+  async method(/*{ params }*/) {
     /*{ body }*/
-}}
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);

src/async-functions/syntax/async-class-decl-private-method.template

@@ -19,6 +19,14 @@ info: |
 features: [async-functions, class-methods-private]
 ---*/
 
-class C { async #method() {
+class C {
+  async #method(/*{ params }*/) {
     /*{ body }*/
-}}
+  }
+  async method(/*{ params }*/) {
+    return this.#method(/*{ params }*/);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);

src/async-functions/syntax/async-class-decl-static-method.template

@@ -19,6 +19,11 @@ info: |
 features: [async-functions]
 ---*/
 
-class C { static async method() {
+class C {
+  static async method(/*{ params }*/) {
     /*{ body }*/
-}}
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method;
+

src/async-functions/syntax/async-class-decl-static-private-method.template

@@ -19,6 +19,14 @@ info: |
 features: [async-functions, class-static-methods-private]
 ---*/
 
-class C { static async #method() {
+class C {
+  static async #method(/*{ params }*/) {
     /*{ body }*/
-}}
+  }
+  static async method(/*{ params }*/) {
+    return this.#method(/*{ params }*/);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method.bind(C);
+

src/async-functions/syntax/async-class-expr-method.template

@@ -19,6 +19,12 @@ info: |
 features: [async-functions]
 ---*/
 
-var C = class { async method() {
+var C = class {
+  async method(/*{ params }*/) {
     /*{ body }*/
-}};
+  }
+};
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);
+

src/async-functions/syntax/async-class-expr-private-method.template

@@ -19,6 +19,14 @@ info: |
 features: [async-functions, class-methods-private]
 ---*/
 
-var C = class { async #method() {
+var C = class {
+  async #method(/*{ params }*/) {
     /*{ body }*/
-}};
+  }
+  async method(/*{ params }*/) {
+    return this.#method(/*{ params }*/);
+  }
+};
+// Stores a reference `asyncFn` for case evaluation
+let c = new C();
+let asyncFn = c.method.bind(c);

src/async-functions/syntax/async-class-expr-static-method.template

@@ -19,6 +19,10 @@ info: |
 features: [async-functions]
 ---*/
 
-var C = class { static async method() {
+var C = class {
+  static async method(/*{ params }*/) {
     /*{ body }*/
-}};
+  }
+};
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method;

src/async-functions/syntax/async-class-expr-static-private-method.template

@@ -19,6 +19,13 @@ info: |
 features: [async-functions, class-static-methods-private]
 ---*/
 
-var C = class { static async #method() {
+var C = class {
+  static async #method(/*{ params }*/) {
     /*{ body }*/
-}};
+  }
+  static async method(/*{ params }*/) {
+    return this.#method(/*{ params }*/);
+  }
+}
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = C.method.bind(C);

src/async-functions/syntax/async-declaration.template

@@ -13,6 +13,6 @@ info: |
 features: [async-functions]
 ---*/
 
-async function fn() {
+async function asyncFn(/*{ params }*/) {
   /*{ body }*/
 }

src/async-functions/syntax/async-expression-named.template

@@ -13,6 +13,6 @@ info: |
 features: [async-functions]
 ---*/
 
-var fn = async function fn() {
+var asyncFn = async function asyncFn(/*{ params }*/) {
   /*{ body }*/
 };

src/async-functions/syntax/async-expression.template

@@ -13,6 +13,6 @@ info: |
 features: [async-functions]
 ---*/
 
-var fn = async function () {
+var asyncFn = async function (/*{ params }*/) {
   /*{ body }*/
 };

src/async-functions/syntax/async-obj-method.template

@@ -14,7 +14,9 @@ features: [async-functions]
 ---*/
 
 var obj = {
-  async method() {
+  async method(/*{ params }*/) {
     /*{ body }*/
   }
 };
+// Stores a reference `asyncFn` for case evaluation
+let asyncFn = obj.method;