JSTests/test262/test/language/statements/for/dstr-var-obj-ptrn-prop-id-get-value-err.js

// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
// - src/dstr-binding/error/for-var.template
/*---
description: Error thrown when accessing the corresponding property of the value object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
    IterationStatement :
        for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement

    1. Let varDcl be the result of evaluating VariableDeclarationList.
    [...]

    13.3.2.4 Runtime Semantics: Evaluation

    VariableDeclarationList : VariableDeclarationList , VariableDeclaration

    1. Let next be the result of evaluating VariableDeclarationList.
    2. ReturnIfAbrupt(next).
    3. Return the result of evaluating VariableDeclaration.

    VariableDeclaration : BindingPattern Initializer

    1. Let rhs be the result of evaluating Initializer.
    2. Let rval be GetValue(rhs).
    3. ReturnIfAbrupt(rval).
    4. Return the result of performing BindingInitialization for BindingPattern
       passing rval and undefined as arguments.

    13.3.3.7 Runtime Semantics: KeyedBindingInitialization

    BindingElement : BindingPattern Initializeropt

    1. Let v be GetV(value, propertyName).
    2. ReturnIfAbrupt(v).
---*/
var initEvalCount = 0;
var poisonedProperty = Object.defineProperty({}, 'poisoned', {
  get: function() {
    throw new Test262Error();
  }
});

assert.throws(Test262Error, function() {
  for (var { poisoned: x = ++initEvalCount } = poisonedProperty; iterCount < 1; ) {
    return;
  }
});

assert.sameValue(initEvalCount, 0);