tor-browser

The Tor Browser
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func-switch-dflt-eval-func-skip-early-err-switch.js (1479B)


      1 // This file was procedurally generated from the following sources:
      2 // - src/annex-b-fns/eval-func-skip-early-err-switch.case
      3 // - src/annex-b-fns/eval-func/direct-switch-dflt.template
      4 /*---
      5 description: Extension not observed when creation of variable binding would produce an early error (switch statement) (Funtion declaration in the `default` clause of a `switch` statement in eval code in the global scope)
      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 
     18 (function() {
     19  eval(
     20    'assert.throws(ReferenceError, function() {\
     21      f;\
     22    }, "An initialized binding is not created prior to evaluation");\
     23    assert.sameValue(\
     24      typeof f,\
     25      "undefined",\
     26      "An uninitialized binding is not created prior to evaluation"\
     27    );\
     28    \
     29    switch (0) {\
     30      default:\
     31        let f;switch (1) {' +
     32    '  default:' +
     33    '    function f() {  }' +
     34    '}\
     35    }\
     36    \
     37    assert.throws(ReferenceError, function() {\
     38      f;\
     39    }, "An initialized binding is not created following evaluation");\
     40    assert.sameValue(\
     41      typeof f,\
     42      "undefined",\
     43      "An uninitialized binding is not created following evaluation"\
     44    );'
     45  );
     46 }());
     47 
     48 reportCompare(0, 0);