From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../subclass/class-definition-null-proto-super.js | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js (limited to 'js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js') 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); -- cgit v1.2.3