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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-super.js | 54 |
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); |