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-getters.js | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 js/src/tests/non262/lexical-environment/unscopables-getters.js (limited to 'js/src/tests/non262/lexical-environment/unscopables-getters.js') diff --git a/js/src/tests/non262/lexical-environment/unscopables-getters.js b/js/src/tests/non262/lexical-environment/unscopables-getters.js new file mode 100644 index 0000000000..1360787983 --- /dev/null +++ b/js/src/tests/non262/lexical-environment/unscopables-getters.js @@ -0,0 +1,41 @@ +// @@unscopables checks can call getters. + +// The @@unscopables property itself can be a getter. +let hit1 = 0; +let x = "global x"; +let env1 = { + x: "env1.x", + get [Symbol.unscopables]() { + hit1++; + return {x: true}; + } +}; +with (env1) + assertEq(x, "global x"); +assertEq(hit1, 1); + +// It can throw; the exception is propagated out. +function Fit() {} +with ({x: 0, get [Symbol.unscopables]() { throw new Fit; }}) + assertThrowsInstanceOf(() => x, Fit); + +// Individual properties on the @@unscopables object can have getters. +let hit2 = 0; +let env2 = { + x: "env2.x", + [Symbol.unscopables]: { + get x() { + hit2++; + return true; + } + } +}; +with (env2) + assertEq(x, "global x"); +assertEq(hit2, 1); + +// And they can throw. +with ({x: 0, [Symbol.unscopables]: {get x() { throw new Fit; }}}) + assertThrowsInstanceOf(() => x, Fit); + +reportCompare(0, 0); -- cgit v1.2.3