Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 54 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js
new file mode 100644
index 0000000000..5270bb8c72
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-classdefinitionevaluation
+description: >
+  Attempting to call `super()` in a null-extending class throws a TypeError,
+  because %FunctionPrototype% cannot be called as constructor function.
+info: |
+  Runtime Semantics: ClassDefinitionEvaluation
+
+  [...]
+  5. If ClassHeritageopt is not present, then
+     [...]
+  6. Else,
+     [...]
+     b. Let superclass be the result of evaluating ClassHeritage.
+     [...]
+     e. If superclass is null, then
+        [...]
+        ii. Let constructorParent be the intrinsic object %FunctionPrototype%.
+  [...]
+  15. Let constructorInfo be the result of performing DefineMethod for constructor with arguments proto and constructorParent as the optional functionPrototype argument.
+  [...]
+
+  12.3.5.1 Runtime Semantics: Evaluation
+
+  SuperCall : super Arguments
+
+  [...]
+  3. Let func be ! GetSuperConstructor().
+  4. Let argList be ? ArgumentListEvaluation of Arguments.
+  5. If IsConstructor(func) is false, throw a TypeError exception.
+  [...]
+---*/
+
+var unreachable = 0;
+var reachable = 0;
+
+class C extends null {
+  constructor() {
+    reachable += 1;
+    super();
+    unreachable += 1;
+  }
+}
+
+assert.throws(TypeError, function() {
+  new C();
+});
+
+assert.sameValue(reachable, 1);
+assert.sameValue(unreachable, 0);
+
+reportCompare(0, 0);