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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/destructuring/bug1396261.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/destructuring/bug1396261.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/non262/destructuring/bug1396261.js b/js/src/tests/non262/destructuring/bug1396261.js new file mode 100644 index 0000000000..5d16b09323 --- /dev/null +++ b/js/src/tests/non262/destructuring/bug1396261.js @@ -0,0 +1,44 @@ +// Ensure array or object literals with trailing property accessors are not +// treated as nested destructuring patterns in assignment destructuring +// contexts. + +// Array destructuring with normal element. +[{a: 0}.x] = []; +[[0].x] = []; + +// Array destructuring with spread element. +[...{a: 0}.x] = []; +[...[0].x] = []; + +// Object destructuring with normal property. +({a: {b: 0}.x} = {}); +({a: [0].x} = {}); + +// Object destructuring with spread property. +({...{b: 0}.x} = {}); +({...[0].x} = {}); + +// Object literal with initializer shorthand in destructuring context. +assertThrowsInstanceOf(() => Function(`[{a = 0}.x] = [];`), SyntaxError); +assertThrowsInstanceOf(() => Function(`[...{a = 0}.x] = [];`), SyntaxError); +assertThrowsInstanceOf(() => Function(`({a: {b = 0}.x} = {});`), SyntaxError); +assertThrowsInstanceOf(() => Function(`({...{b = 0}.x} = {});`), SyntaxError); + +// Object destructuring with "eval" or "arguments" shorthand in strict mode. +(function() { + "use strict"; + + // Ensure "eval" resp. "arguments" is not treated as an assignment. + [{eval}.x] = []; + [...{eval}.x] = []; + ({a: {eval}.x} = {}); + ({...{eval}.x} = {}); + + [{arguments}.x] = []; + [...{arguments}.x] = []; + ({a: {arguments}.x} = {}); + ({...{arguments}.x} = {}); +})(); + +if (typeof reportCompare === "function") + reportCompare(0, 0); |