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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/built-ins/AsyncFunction/instance-construct-throws.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/built-ins/AsyncFunction/instance-construct-throws.js')
-rw-r--r-- | js/src/tests/test262/built-ins/AsyncFunction/instance-construct-throws.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/AsyncFunction/instance-construct-throws.js b/js/src/tests/test262/built-ins/AsyncFunction/instance-construct-throws.js new file mode 100644 index 0000000000..e51c40a3e3 --- /dev/null +++ b/js/src/tests/test262/built-ins/AsyncFunction/instance-construct-throws.js @@ -0,0 +1,40 @@ +// Copyright 2016 Microsoft, Inc. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +author: Brian Terlson <brian.terlson@microsoft.com> +esid: sec-async-function-instances +description: > + Async function instances are not constructors and do not have a + [[Construct]] slot. +info: | + 25.5.1.1 AsyncFunction( p1, p2, … , pn, body ) + + ... + 3. Return CreateDynamicFunction(C, NewTarget, "async", args). + + 19.2.1.1.1 Runtime Semantics: CreateDynamicFunction( constructor, newTarget, kind, args ) + + ... + 33. Perform FunctionInitialize(F, Normal, parameters, body, scope). + 34. If kind is "generator", then + ... + 35. Else if kind is "normal", perform MakeConstructor(F). + 36. NOTE: Async functions are not constructable and do not have a [[Construct]] internal method + or a "prototype" property. + ... +---*/ + +async function foo() {} +assert.throws(TypeError, function() { + new foo(); +}); + +var AsyncFunction = Object.getPrototypeOf(foo).constructor; +var instance = AsyncFunction(); + +assert.throws(TypeError, function() { + new instance(); +}) + +reportCompare(0, 0); |