tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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gen-meth-dflt-obj-ptrn-list-err.js (2221B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/obj-ptrn-list-err.case
      3 // - src/dstr-binding/error/gen-meth-dflt.template
      4 /*---
      5 description: Binding property list evaluation is interrupted by an abrupt completion (generator method (default parameter))
      6 esid: sec-generator-function-definitions-runtime-semantics-propertydefinitionevaluation
      7 features: [generators, destructuring-binding, default-parameters]
      8 flags: [generated]
      9 info: |
     10    GeneratorMethod :
     11        * PropertyName ( StrictFormalParameters ) { GeneratorBody }
     12 
     13    1. Let propKey be the result of evaluating PropertyName.
     14    2. ReturnIfAbrupt(propKey).
     15    3. If the function code for this GeneratorMethod is strict mode code,
     16       let strict be true. Otherwise let strict be false.
     17    4. Let scope be the running execution context's LexicalEnvironment.
     18    5. Let closure be GeneratorFunctionCreate(Method,
     19       StrictFormalParameters, GeneratorBody, scope, strict).
     20    [...]
     21 
     22    9.2.1 [[Call]] ( thisArgument, argumentsList)
     23 
     24    [...]
     25    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     26    [...]
     27 
     28    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     29 
     30    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     31    [...]
     32 
     33    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     34 
     35    [...]
     36    23. Let iteratorRecord be Record {[[iterator]]:
     37        CreateListIterator(argumentsList), [[done]]: false}.
     38    24. If hasDuplicates is true, then
     39        [...]
     40    25. Else,
     41        b. Let formalStatus be IteratorBindingInitialization for formals with
     42           iteratorRecord and env as arguments.
     43    [...]
     44 
     45    13.3.3.5 Runtime Semantics: BindingInitialization
     46 
     47    BindingPropertyList : BindingPropertyList , BindingProperty
     48 
     49    1. Let status be the result of performing BindingInitialization for
     50       BindingPropertyList using value and environment as arguments.
     51    2. ReturnIfAbrupt(status).
     52 ---*/
     53 var initCount = 0;
     54 function thrower() {
     55  throw new Test262Error();
     56 }
     57 
     58 var obj = {
     59  *method({ a, b = thrower(), c = ++initCount } = {}) {}
     60 };
     61 
     62 assert.throws(Test262Error, function() {
     63  obj.method();
     64 });
     65 
     66 assert.sameValue(initCount, 0);
     67 
     68 reportCompare(0, 0);