non-Strict mode Failing
Expected no error, got SyntaxError: Destructuring in catch parameters is currently unsupported
Features:
- ∅
Expected no error, got SyntaxError: Destructuring in catch parameters is currently unsupported
// This file was procedurally generated from the following sources:
// - src/annex-b-fns/global-skip-early-err-try.case
// - src/annex-b-fns/global/switch-case.template
/*---
description: Extension is observed when creation of variable binding would not produce an early error (try statement) (Function declaration in the `case` clause of a `switch` statement in the global scope)
esid: sec-web-compat-globaldeclarationinstantiation
flags: [generated, noStrict]
info: |
B.3.3.2 Changes to GlobalDeclarationInstantiation
[...]
b. If replacing the FunctionDeclaration f with a VariableStatement that has
F as a BindingIdentifier would not produce any Early Errors for script,
then
[...]
B.3.5 VariableStatements in Catch Blocks
[...]
- It is a Syntax Error if any element of the BoundNames of CatchParameter
also occurs in the VarDeclaredNames of Block unless CatchParameter is
CatchParameter:BindingIdentifier and that element is only bound by a
VariableStatement, the VariableDeclarationList of a for statement, or the
ForBinding of a for-in statement.
---*/
assert.throws(ReferenceError, function() {
f;
}, 'An initialized binding is not created prior to evaluation');
assert.sameValue(
typeof f,
'undefined',
'An uninitialized binding is not created prior to evaluation'
);
try {
throw {};
} catch ({ f }) {
switch (1) {
case 1:
function f() { }
}
}
assert.throws(ReferenceError, function() {
f;
}, 'An initialized binding is not created following evaluation');
assert.sameValue(
typeof f,
'undefined',
'An uninitialized binding is not created following evaluation'
);