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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/class/outerBinding.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/class/outerBinding.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/non262/class/outerBinding.js b/js/src/tests/non262/class/outerBinding.js new file mode 100644 index 0000000000..19ffcb3e4a --- /dev/null +++ b/js/src/tests/non262/class/outerBinding.js @@ -0,0 +1,48 @@ +// |reftest| skip-if(!xulRuntime.shell) +// +// The above skip-if is because global lexicals aren't yet implemented. Remove +// that and the |evaluate| call below once they are. +// +// A class statement creates a mutable lexical outer binding. + +class Foo { constructor() { } } +assertEq(typeof Foo, "function"); +Foo = 5; +assertEq(Foo, 5); + +{ + class foo { constructor() { } } + assertEq(typeof foo, "function"); + foo = 4; + assertEq(foo, 4); +} + +{ + class PermanentBinding { constructor() { } } + delete PermanentBinding; + // That...didn't actually work, right? + assertEq(typeof PermanentBinding, "function"); +} + +evaluate("const globalConstant = 0; var earlyError = true;"); + +try { + evaluate("earlyError = false; class globalConstant { constructor() { } }"); +} catch (e) { + if (!(e instanceof SyntaxError)) + throw e; +} +assertEq(earlyError, true); + +function strictEvalShadows() { + "use strict"; + let x = 4; + eval(`class x { constructor() { } } + assertEq(typeof x, "function"); + `); + assertEq(x, 4); +} +strictEvalShadows() + +if (typeof reportCompare === "function") + reportCompare(0, 0, "OK"); |