tor-browser

The Tor Browser
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ary-ptrn-rest-not-final-obj.js (1811B)

      1 // |reftest| error:SyntaxError
      2 // This file was procedurally generated from the following sources:
      3 // - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
      4 // - src/dstr-binding/default/func-expr.template
      5 /*---
      6 description: Rest element (object binding pattern) may not be followed by any element (function expression)
      7 esid: sec-function-definitions-runtime-semantics-evaluation
      8 features: [destructuring-binding]
      9 flags: [generated]
     10 negative:
     11  phase: parse
     12  type: SyntaxError
     13 info: |
     14    FunctionExpression : function ( FormalParameters ) { FunctionBody }
     15 
     16        [...]
     17        3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody,
     18           scope, strict).
     19        [...]
     20 
     21    9.2.1 [[Call]] ( thisArgument, argumentsList)
     22 
     23    [...]
     24    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     25    [...]
     26 
     27    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     28 
     29    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     30    [...]
     31 
     32    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     33 
     34    [...]
     35    23. Let iteratorRecord be Record {[[iterator]]:
     36        CreateListIterator(argumentsList), [[done]]: false}.
     37    24. If hasDuplicates is true, then
     38        [...]
     39    25. Else,
     40        b. Let formalStatus be IteratorBindingInitialization for formals with
     41           iteratorRecord and env as arguments.
     42    [...]
     43 
     44    13.3.3 Destructuring Binding Patterns
     45    ArrayBindingPattern[Yield] :
     46        [ Elisionopt BindingRestElement[?Yield]opt ]
     47        [ BindingElementList[?Yield] ]
     48        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
     49 ---*/
     50 $DONOTEVALUATE();
     51 
     52 var callCount = 0;
     53 var f;
     54 f = function([...{ x }, y]) {
     55  
     56  callCount = callCount + 1;
     57 };
     58 
     59 f([1, 2, 3]);
     60 assert.sameValue(callCount, 1, 'function invoked exactly once');