mirror of https://github.com/tc39/test262.git
47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/annex-b-fns/func-skip-early-err-block.case
|
|
// - src/annex-b-fns/func/switch-case.template
|
|
/*---
|
|
description: Extension not observed when creation of variable binding would produce an early error (Block 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'
|
|
);
|
|
|
|
{
|
|
let f = 123;
|
|
|
|
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'
|
|
);
|
|
}());
|