tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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meth-obj-ptrn-rest-val-obj.js (1964B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/obj-ptrn-rest-val-obj.case
      3 // - src/dstr-binding/default/meth.template
      4 /*---
      5 description: Rest object contains just unextracted data (method)
      6 esid: sec-runtime-semantics-definemethod
      7 features: [object-rest, destructuring-binding]
      8 flags: [generated]
      9 includes: [propertyHelper.js]
     10 info: |
     11    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
     12 
     13    [...]
     14    6. Let closure be FunctionCreate(kind, StrictFormalParameters,
     15       FunctionBody, scope, strict). If functionPrototype was passed as a
     16       parameter then pass its value as the functionPrototype optional argument
     17       of FunctionCreate.
     18    [...]
     19 
     20    9.2.1 [[Call]] ( thisArgument, argumentsList)
     21 
     22    [...]
     23    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     24    [...]
     25 
     26    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     27 
     28    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     29    [...]
     30 
     31    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     32 
     33    [...]
     34    23. Let iteratorRecord be Record {[[iterator]]:
     35        CreateListIterator(argumentsList), [[done]]: false}.
     36    24. If hasDuplicates is true, then
     37        [...]
     38    25. Else,
     39        b. Let formalStatus be IteratorBindingInitialization for formals with
     40           iteratorRecord and env as arguments.
     41    [...]
     42 ---*/
     43 
     44 var callCount = 0;
     45 var obj = {
     46  method({a, b, ...rest}) {
     47    assert.sameValue(rest.a, undefined);
     48    assert.sameValue(rest.b, undefined);
     49 
     50    verifyProperty(rest, "x", {
     51      enumerable: true,
     52      writable: true,
     53      configurable: true,
     54      value: 1
     55    });
     56 
     57    verifyProperty(rest, "y", {
     58      enumerable: true,
     59      writable: true,
     60      configurable: true,
     61      value: 2
     62    });
     63    callCount = callCount + 1;
     64  }
     65 };
     66 
     67 obj.method({x: 1, y: 2, a: 5, b: 3});
     68 assert.sameValue(callCount, 1, 'method invoked exactly once');
     69 
     70 reportCompare(0, 0);