Add tests to ensure async-functions/generators are not accepted in statement position

test/language/statements/do-while/decl-async-fun.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-do-while-statement
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+do async function f() {} while (false)

test/language/statements/do-while/decl-async-gen.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-do-while-statement
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+do async function* g() {} while (false)

test/language/statements/for-in/decl-async-fun.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-for-in-and-for-of-statements
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+for (var x in {}) async function f() {}

test/language/statements/for-in/decl-async-gen.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-for-in-and-for-of-statements
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+for (var x in {}) async function* g() {}

test/language/statements/for-of/decl-async-fun.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-for-in-and-for-of-statements
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+for (var x of []) async function f() {}

test/language/statements/for-of/decl-async-gen.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-for-in-and-for-of-statements
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+for (var x of []) async function* g() {}

test/language/statements/for/decl-async-fun.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-for-statement
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+for ( ; false; ) async function f() {}

test/language/statements/for/decl-async-gen.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-for-statement
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+for ( ; false; ) async function* g() {}

test/language/statements/if/if-async-fun-else-async-fun.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-if-statement
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+if (true) async function f() {  } else async function _f() {}

test/language/statements/if/if-async-fun-else-stmt.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-if-statement
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+if (true) async function f() {  } else ;

test/language/statements/if/if-async-fun-no-else.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-if-statement
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+if (true) async function f() {  }

test/language/statements/if/if-async-gen-else-async-gen.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-if-statement
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+if (true) async function* f() {  } else async function* _f() {}

test/language/statements/if/if-async-gen-else-stmt.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-if-statement
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+if (true) async function* f() {  } else ;

test/language/statements/if/if-async-gen-no-else.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-if-statement
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+if (true) async function* f() {  }

test/language/statements/if/if-stmt-else-async-fun.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-if-statement
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+if (false) ; else async function f() {  }

test/language/statements/if/if-stmt-else-async-gen.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-if-statement
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+if (false) ; else async function* f() {  }

test/language/statements/labeled/decl-async-function.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-labelled-statements
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+label: async function f() {}

test/language/statements/labeled/decl-async-generator.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-labelled-statements
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+label: async function* g() {}

test/language/statements/while/decl-async-fun.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-while-statement
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+---*/
+
+while (false) async function f() {}

test/language/statements/while/decl-async-gen.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-while-statement
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+---*/
+
+while (false) async function* g() {}

test/language/statements/with/decl-async-fun.js

@@ -0,0 +1,19 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-with-statement
+description: >
+  AsyncFunctionDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-functions]
+flags: [noStrict]
+---*/
+
+with ({}) async function f() {}

test/language/statements/with/decl-async-gen.js

@@ -0,0 +1,19 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-with-statement
+description: >
+  AsyncGeneratorDeclaration is not allowed in statement position
+info: |
+  ExpressionStatement[Yield, Await] :
+    [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
+    Expression[+In, ?Yield, ?Await] ;
+negative:
+  phase: early
+  type: SyntaxError
+features: [async-iteration]
+flags: [noStrict]
+---*/
+
+with ({}) async function* g() {}