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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/lexical-environment/unscopables-closures.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 'js/src/tests/non262/lexical-environment/unscopables-closures.js')
-rw-r--r-- | js/src/tests/non262/lexical-environment/unscopables-closures.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/non262/lexical-environment/unscopables-closures.js b/js/src/tests/non262/lexical-environment/unscopables-closures.js new file mode 100644 index 0000000000..bdade1f113 --- /dev/null +++ b/js/src/tests/non262/lexical-environment/unscopables-closures.js @@ -0,0 +1,23 @@ +// @@unscopables continues to work after exiting the relevant `with` block, +// if the environment is captured by a closure. + +let env = { + x: 9000, + [Symbol.unscopables]: {x: true} +}; + +function make_adder(x) { + with (env) + return function (y) { return x + y; }; +} +assertEq(make_adder(3)(10), 13); + +// Same test, but with a bunch of different parts for bad luck +let x = 500; +function make_adder_with_eval() { + with (env) + return eval('y => eval("x + y")'); +} +assertEq(make_adder_with_eval()(10), 510); + +reportCompare(0, 0); |