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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/non262/expressions/destructuring-object-__proto__-1.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/non262/expressions/destructuring-object-__proto__-1.js | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/js/src/tests/non262/expressions/destructuring-object-__proto__-1.js b/js/src/tests/non262/expressions/destructuring-object-__proto__-1.js new file mode 100644 index 0000000000..1e36a3b9bb --- /dev/null +++ b/js/src/tests/non262/expressions/destructuring-object-__proto__-1.js @@ -0,0 +1,82 @@ +// Test __proto__ is destructuring binding initialization. + +// __proto__ shorthand, no default. +{ + let {__proto__} = {}; + assertEq(__proto__, Object.prototype); +} + +// __proto__ shorthand, with default. +{ + let {__proto__ = 0} = {}; + assertEq(__proto__, Object.prototype); +} + +{ + let {__proto__ = 0} = Object.create(null); + assertEq(__proto__, 0); +} + +// __proto__ keyed, no default. +{ + let {__proto__: p} = {}; + assertEq(p, Object.prototype); +} + +// __proto__ keyed, with default. +{ + let {__proto__: p = 0} = {}; + assertEq(p, Object.prototype); +} + +// __proto__ keyed, with default. +{ + let {__proto__: p = 0} = Object.create(null); + assertEq(p, 0); +} + +// Repeat the cases from above, but this time with a rest property. + +// __proto__ shorthand, no default. +{ + let {__proto__, ...rest} = {}; + assertEq(__proto__, Object.prototype); + assertEq(Reflect.ownKeys(rest).length, 0); +} + +// __proto__ shorthand, with default. +{ + let {__proto__ = 0, ...rest} = {}; + assertEq(__proto__, Object.prototype); + assertEq(Reflect.ownKeys(rest).length, 0); +} + +{ + let {__proto__ = 0, ...rest} = Object.create(null); + assertEq(__proto__, 0); + assertEq(Reflect.ownKeys(rest).length, 0); +} + +// __proto__ keyed, no default. +{ + let {__proto__: p, ...rest} = {}; + assertEq(p, Object.prototype); + assertEq(Reflect.ownKeys(rest).length, 0); +} + +// __proto__ keyed, with default. +{ + let {__proto__: p = 0, ...rest} = {}; + assertEq(p, Object.prototype); + assertEq(Reflect.ownKeys(rest).length, 0); +} + +// __proto__ keyed, with default. +{ + let {__proto__: p = 0, ...rest} = Object.create(null); + assertEq(p, 0); + assertEq(Reflect.ownKeys(rest).length, 0); +} + +if (typeof reportCompare == "function") + reportCompare(true, true); |