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 --- .../lexical-environment/unscopables-mutation-frozen.js | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 js/src/tests/non262/lexical-environment/unscopables-mutation-frozen.js (limited to 'js/src/tests/non262/lexical-environment/unscopables-mutation-frozen.js') diff --git a/js/src/tests/non262/lexical-environment/unscopables-mutation-frozen.js b/js/src/tests/non262/lexical-environment/unscopables-mutation-frozen.js new file mode 100644 index 0000000000..632785c05a --- /dev/null +++ b/js/src/tests/non262/lexical-environment/unscopables-mutation-frozen.js @@ -0,0 +1,18 @@ +// When env[@@unscopables].x changes, bindings can appear even if env is inextensible. + +let x = "global"; +let unscopables = {x: true}; +let env = Object.create(null); +env[Symbol.unscopables] = unscopables; +env.x = "object"; +Object.freeze(env); + +for (let i = 0; i < 1004; i++) { + if (i === 1000) + unscopables.x = false; + with (env) { + assertEq(x, i < 1000 ? "global" : "object"); + } +} + +reportCompare(0, 0); -- cgit v1.2.3