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author | janekptacijarabaci <janekptacijarabaci@seznam.cz> | 2018-03-27 15:57:18 +0200 |
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committer | janekptacijarabaci <janekptacijarabaci@seznam.cz> | 2018-03-27 15:57:18 +0200 |
commit | d990d8ab2cade6c928e8bbe56ae038d020cef599 (patch) | |
tree | c7561ae0f303cb0d4a7a7507178531b4852e4dea /js/src/tests/ecma_2017/AsyncFunctions/subclass.js | |
parent | 0c36b27511c1fbca594f0426c493ef601fda3e4c (diff) | |
parent | 8d5ec757ece850fb7ad5c712868f305636e41177 (diff) | |
download | UXP-d990d8ab2cade6c928e8bbe56ae038d020cef599.tar UXP-d990d8ab2cade6c928e8bbe56ae038d020cef599.tar.gz UXP-d990d8ab2cade6c928e8bbe56ae038d020cef599.tar.lz UXP-d990d8ab2cade6c928e8bbe56ae038d020cef599.tar.xz UXP-d990d8ab2cade6c928e8bbe56ae038d020cef599.zip |
Merge branch 'master' of https://github.com/MoonchildProductions/UXP into js_array_values_1
Diffstat (limited to 'js/src/tests/ecma_2017/AsyncFunctions/subclass.js')
-rw-r--r-- | js/src/tests/ecma_2017/AsyncFunctions/subclass.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/ecma_2017/AsyncFunctions/subclass.js b/js/src/tests/ecma_2017/AsyncFunctions/subclass.js new file mode 100644 index 000000000..da20ab19b --- /dev/null +++ b/js/src/tests/ecma_2017/AsyncFunctions/subclass.js @@ -0,0 +1,31 @@ +// |reftest| skip-if(!xulRuntime.shell) -- needs drainJobQueue +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +const AsyncFunction = async function(){}.constructor; + +class MyAsync extends AsyncFunction {} + +// MyGen inherits from %AsyncFunction%. +assertEq(Object.getPrototypeOf(MyAsync), AsyncFunction); + +// MyGen.prototype inherits from %AsyncFunctionPrototype%. +assertEq(Object.getPrototypeOf(MyAsync.prototype), AsyncFunction.prototype); + +var fn = new MyAsync("return await 'ok';"); + +// fn inherits from MyAsync.prototype. +assertEq(Object.getPrototypeOf(fn), MyAsync.prototype); + +// Ensure the new async function can be executed. +var promise = fn(); + +// promise inherits from %Promise.prototype%. +assertEq(Object.getPrototypeOf(promise), Promise.prototype); + +// Computes the expected result. +assertEventuallyEq(promise, "ok"); + +if (typeof reportCompare === "function") + reportCompare(0, 0); |