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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/entries/order-after-define-property.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 '')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/entries/order-after-define-property.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/entries/order-after-define-property.js b/js/src/tests/test262/built-ins/Object/entries/order-after-define-property.js new file mode 100644 index 0000000000..e36e8f2df0 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/entries/order-after-define-property.js @@ -0,0 +1,40 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-object.entries +description: > + Property names are returned in ascending chronological order of creation + that is unaffected by [[DefineOwnProperty]]. +info: | + Object.entries ( O ) + + [...] + 2. Let nameList be ? EnumerableOwnPropertyNames(obj, key+value). + 3. Return CreateArrayFromList(nameList). + + EnumerableOwnPropertyNames ( O, kind ) + + [...] + 2. Let ownKeys be ? O.[[OwnPropertyKeys]](). + [...] + + OrdinaryOwnPropertyKeys ( O ) + + [...] + 3. For each own property key P of O that is a String but is not an array index, + in ascending chronological order of property creation, do + a. Add P as the last element of keys. + [...] + 5. Return keys. +includes: [compareArray.js] +---*/ + +var obj = {}; +obj.a = 1; +obj.b = 2; +Object.defineProperty(obj, "a", {writable: false}); +var objKeys = Object.entries(obj).map(e => e[0]); +assert.compareArray(objKeys, ["a", "b"]); + +reportCompare(0, 0); |