JSTests/test262/test/annexB/language/global-code/block-decl-global-skip-early-err-block.js

// This file was procedurally generated from the following sources:
// - src/annex-b-fns/global-skip-early-err-block.case
// - src/annex-b-fns/global/block.template
/*---
description: Extension not observed when creation of variable binding would produce an early error (Block statement) (Block statement in the global scope containing a function declaration)
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
    [...]
---*/
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;

{
  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'
);