Class fields, part 3 (backends)

test/mjsunit/harmony/class-fields-async-syntax.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-class-fields --harmony-async-await
+
+{
+  class C {
+    async = 0;
+  }
+
+  let c = new C;
+  assertArrayEquals(['constructor'], Object.getOwnPropertyNames(C.prototype));
+  assertArrayEquals(['async'], Object.getOwnPropertyNames(c));
+}
+
+{
+  class C {
+    async;
+  }
+
+  let c = new C;
+  assertArrayEquals(['constructor'], Object.getOwnPropertyNames(C.prototype));
+  assertArrayEquals(['async'], Object.getOwnPropertyNames(c));
+}
+
+{
+  class C {
+    async = 0
+  }
+
+  let c = new C;
+  assertArrayEquals(['constructor'], Object.getOwnPropertyNames(C.prototype));
+  assertArrayEquals(['async'], Object.getOwnPropertyNames(c));
+}
+
+{
+  class C {
+    async
+  }
+
+  let c = new C;
+  assertArrayEquals(['constructor'], Object.getOwnPropertyNames(C.prototype));
+  assertArrayEquals(['async'], Object.getOwnPropertyNames(c));
+}
+
+{
+  class C {
+    static async = 0;
+  }
+
+  let c = new C;
+  assertArrayEquals(['constructor'], Object.getOwnPropertyNames(C.prototype));
+  assertTrue(C.hasOwnProperty('async'));
+  assertArrayEquals([], Object.getOwnPropertyNames(c));
+}
+
+{
+  class C {
+    static async;
+  }
+
+  let c = new C;
+  assertArrayEquals(['constructor'], Object.getOwnPropertyNames(C.prototype));
+  assertTrue(C.hasOwnProperty('async'));
+  assertArrayEquals([], Object.getOwnPropertyNames(c));
+}
+
+{
+  class C {
+    static async = 0
+  }
+
+  let c = new C;
+  assertArrayEquals(['constructor'], Object.getOwnPropertyNames(C.prototype));
+  assertTrue(C.hasOwnProperty('async'));
+  assertArrayEquals([], Object.getOwnPropertyNames(c));
+}
+
+{
+  class C {
+    static async
+  }
+
+  let c = new C;
+  assertArrayEquals(['constructor'], Object.getOwnPropertyNames(C.prototype));
+  assertTrue(C.hasOwnProperty('async'));
+  assertArrayEquals([], Object.getOwnPropertyNames(c));
+}