tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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func-block-decl-eval-func-skip-early-err.js (968B)


      1 // This file was procedurally generated from the following sources:
      2 // - src/annex-b-fns/eval-func-skip-early-err.case
      3 // - src/annex-b-fns/eval-func/direct-block.template
      4 /*---
      5 description: Extension not observed when creation of variable binding would produce an early error (Block statement in eval code containing a function declaration)
      6 esid: sec-web-compat-evaldeclarationinstantiation
      7 flags: [generated, noStrict]
      8 info: |
      9    B.3.3.3 Changes to EvalDeclarationInstantiation
     10 
     11    [...]
     12    ii. If replacing the FunctionDeclaration f with a VariableStatement that
     13        has F as a BindingIdentifier would not produce any Early Errors for
     14        body, then
     15    [...]
     16 ---*/
     17 var init, after;
     18 
     19 (function() {
     20  eval(
     21    'let f = 123;\
     22    init = f;{ function f() {  } }after = f;'
     23  );
     24 }());
     25 
     26 assert.sameValue(init, 123, 'binding is not initialized to `undefined`');
     27 assert.sameValue(after, 123, 'value is not updated following evaluation');
     28 
     29 reportCompare(0, 0);