| // This file was procedurally generated from the following sources: |
| // - src/annex-b-fns/global-skip-early-err-block.case |
| // - src/annex-b-fns/global/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 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 |
| [...] |
| ---*/ |
| 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' |
| ); |