Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js
new file mode 100644
index 0000000000..69be80c2e4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.2.4.2
+description: Subclassed GeneratorFunction instances `name` property
+info: |
+  25.2.4.2 name
+
+  The specification for the name property of Function instances given in
+  19.2.4.2 also applies to GeneratorFunction instances.
+
+  19.2.4.2 name
+
+  The value of the name property is an String that is descriptive of the
+  function. The name has no semantic significance but is typically a variable or
+  property name that is used to refer to the function at its point of definition
+  in ECMAScript code. This property has the attributes { [[Writable]]: false,
+  [[Enumerable]]: false, [[Configurable]]: true }.
+
+  Anonymous functions objects that do not have a contextual name associated with
+  them by this specification do not have a name own property but inherit the
+  name property of %FunctionPrototype%.
+
+  19.2.1.1.1 RuntimeSemantics: CreateDynamicFunction(constructor, newTarget,
+  kind, args)
+
+  ...
+  29. Perform SetFunctionName(F, "anonymous").
+  ...
+includes: [propertyHelper.js]
+---*/
+
+var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor;
+
+class GFn extends GeneratorFunction {}
+
+var gfn = new GFn('a', 'b', 'return a + b');
+
+assert.sameValue(
+  gfn.name, 'anonymous',
+  'Dynamic Functions are called anonymous'
+);
+
+verifyNotEnumerable(gfn, 'name');
+verifyNotWritable(gfn, 'name');
+verifyConfigurable(gfn, 'name');
+
+reportCompare(0, 0);