non-Strict mode Failing
Expected no error, got ESHostError: An initialized binding is not created prior to evaluation Expected a ReferenceError to be thrown but no exception was thrown at all
Features:
- ∅
Expected no error, got ESHostError: An initialized binding is not created prior to evaluation Expected a ReferenceError to be thrown but no exception was thrown at all
// This file was procedurally generated from the following sources:
// - src/annex-b-fns/func-skip-early-err-for-in.case
// - src/annex-b-fns/func/switch-case.template
/*---
description: Extension not observed when creation of variable binding would produce an early error (for-of statement) (Function declaration in the `case` clause of a `switch` statement in function scope)
esid: sec-web-compat-functiondeclarationinstantiation
flags: [generated, noStrict]
info: |
B.3.3.1 Changes to FunctionDeclarationInstantiation
[...]
ii. If replacing the FunctionDeclaration f with a VariableStatement that
has F as a BindingIdentifier would not produce any Early Errors for
func and F is not an element of BoundNames of argumentsList, then
[...]
---*/
(function() {
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'
);
for (let f in { key: 0 }) {
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'
);
}());