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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/superclass-async-generator-function.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/superclass-async-generator-function.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/superclass-async-generator-function.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/superclass-async-generator-function.js b/js/src/tests/test262/language/statements/class/subclass/superclass-async-generator-function.js new file mode 100644 index 0000000000..d77acb6c90 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/superclass-async-generator-function.js @@ -0,0 +1,44 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-runtime-semantics-classdefinitionevaluation +description: > + IsConstructor check is performed before "prototype" lookup. + Async generator functions are not constructors (MakeConstructor is not called on them). +info: | + ClassDefinitionEvaluation + + [...] + 5. Else, + [...] + d. Let superclass be ? GetValue(superclassRef). + e. If superclass is null, then + [...] + f. Else if IsConstructor(superclass) is false, throw a TypeError exception. +features: [async-iteration, class, Proxy] +---*/ + +async function* fn() {} + +assert.throws(TypeError, function() { + class A extends fn {} +}); + +var bound = (async function* () {}).bind(); +Object.defineProperty(bound, "prototype", { + get: function() { + throw new Test262Error("`superclass.prototype` is unreachable"); + }, +}); + +assert.throws(TypeError, function() { + class C extends bound {} +}); + +var proxy = new Proxy(async function* () {}, {}); + +assert.throws(TypeError, function() { + class C extends proxy {} +}); + +reportCompare(0, 0); |