non-Strict mode Failing
Expected no error, got ESHostError: binding is initialized to `undefined` Expected SameValue(«function f() { [bytecode] }», «undefined») to be trueFeatures:
- ∅
Expected no error, got ESHostError: binding is initialized to `undefined` Expected SameValue(«function f() { [bytecode] }», «undefined») to be true// 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');