diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/tests/test262/annexB/language/function-code/block-decl-func-init.js | |
parent | Initial commit. (diff) | |
download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/annexB/language/function-code/block-decl-func-init.js')
-rw-r--r-- | js/src/tests/test262/annexB/language/function-code/block-decl-func-init.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/function-code/block-decl-func-init.js b/js/src/tests/test262/annexB/language/function-code/block-decl-func-init.js new file mode 100644 index 0000000000..ce86d2797b --- /dev/null +++ b/js/src/tests/test262/annexB/language/function-code/block-decl-func-init.js @@ -0,0 +1,38 @@ +// This file was procedurally generated from the following sources: +// - src/annex-b-fns/func-init.case +// - src/annex-b-fns/func/block.template +/*--- +description: Variable binding is initialized to `undefined` in outer scope (Block statement in function scope containing a function declaration) +esid: sec-web-compat-functiondeclarationinstantiation +flags: [generated, noStrict] +info: | + B.3.3.1 Changes to FunctionDeclarationInstantiation + + [...] + 2. If instantiatedVarNames does not contain F, then + a. Perform ! varEnvRec.CreateMutableBinding(F, false). + b. Perform varEnvRec.InitializeBinding(F, undefined). + c. Append F to instantiatedVarNames. + [...] +---*/ +var init, changed; + +(function() { + init = f; + f = 123; + changed = f; + + { + function f() { } + } + + +}()); + +assert.sameValue(init, undefined, 'binding is initialized to `undefined`'); +assert.sameValue(changed, 123, 'binding is mutable'); +assert.throws(ReferenceError, function() { + f; +}, 'global binding is not created'); + +reportCompare(0, 0); |