From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- js/src/tests/non262/destructuring/bug1396261.js | 44 +++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 js/src/tests/non262/destructuring/bug1396261.js (limited to 'js/src/tests/non262/destructuring/bug1396261.js') 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); -- cgit v1.2.3