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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/Object/assign/strings-and-symbol-order-proxy.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/assign/strings-and-symbol-order-proxy.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/assign/strings-and-symbol-order-proxy.js b/js/src/tests/test262/built-ins/Object/assign/strings-and-symbol-order-proxy.js new file mode 100644 index 0000000000..c4523a4df5 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/assign/strings-and-symbol-order-proxy.js @@ -0,0 +1,43 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-object.assign +description: > + Proxy keys are iterated in order they were provided by "ownKeys" trap. +info: | + Object.assign ( target, ...sources ) + + [...] + 4. For each element nextSource of sources, in ascending index order, do + a. If nextSource is neither undefined nor null, then + [...] + ii. Let keys be ? from.[[OwnPropertyKeys]](). + iii. For each element nextKey of keys in List order, do + 1. Let desc be ? from.[[GetOwnProperty]](nextKey). + + [[OwnPropertyKeys]] ( ) + + [...] + 7. Let trapResultArray be ? Call(trap, handler, « target »). + 8. Let trapResult be ? CreateListFromArrayLike(trapResultArray, « String, Symbol »). + [...] + 23. Return trapResult. +features: [Proxy, Symbol] +includes: [compareArray.js] +---*/ + +var getOwnKeys = []; +var ownKeysResult = [Symbol(), "foo", "0"]; +var proxy = new Proxy({}, { + getOwnPropertyDescriptor: function(_target, key) { + getOwnKeys.push(key); + }, + ownKeys: function() { + return ownKeysResult; + }, +}); + +Object.assign({}, proxy); +assert.compareArray(getOwnKeys, ownKeysResult); + +reportCompare(0, 0); |