tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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var-obj-ptrn-rest-skip-non-enumerable.js (1741B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
      3 // - src/dstr-binding/default/for-var.template
      4 /*---
      5 description: Rest object doesn't contain non-enumerable properties (for statement)
      6 esid: sec-for-statement-runtime-semantics-labelledevaluation
      7 features: [object-rest, destructuring-binding]
      8 flags: [generated]
      9 includes: [propertyHelper.js]
     10 info: |
     11    IterationStatement :
     12        for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
     13 
     14    1. Let varDcl be the result of evaluating VariableDeclarationList.
     15    [...]
     16 
     17    13.3.2.4 Runtime Semantics: Evaluation
     18 
     19    VariableDeclarationList : VariableDeclarationList , VariableDeclaration
     20 
     21    1. Let next be the result of evaluating VariableDeclarationList.
     22    2. ReturnIfAbrupt(next).
     23    3. Return the result of evaluating VariableDeclaration.
     24 
     25    VariableDeclaration : BindingPattern Initializer
     26 
     27    1. Let rhs be the result of evaluating Initializer.
     28    2. Let rval be GetValue(rhs).
     29    3. ReturnIfAbrupt(rval).
     30    4. Return the result of performing BindingInitialization for BindingPattern
     31       passing rval and undefined as arguments.
     32 ---*/
     33 var o = {a: 3, b: 4};
     34 Object.defineProperty(o, "x", { value: 4, enumerable: false });
     35 
     36 var iterCount = 0;
     37 
     38 for (var {...rest} = o; iterCount < 1; ) {
     39  assert.sameValue(rest.x, undefined);
     40 
     41  verifyProperty(rest, "a", {
     42    enumerable: true,
     43    writable: true,
     44    configurable: true,
     45    value: 3
     46  });
     47 
     48  verifyProperty(rest, "b", {
     49    enumerable: true,
     50    writable: true,
     51    configurable: true,
     52    value: 4
     53  });
     54  iterCount += 1;
     55 }
     56 
     57 assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
     58 
     59 reportCompare(0, 0);