head-let-fresh-binding-per-iteration.js

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// Copyright (C) 2011 the V8 project authors. All rights reserved.

// This code is governed by the BSD license found in the LICENSE file.

/*---

esid: sec-runtime-semantics-forin-div-ofbodyevaluation-lhs-stmt-iterator-lhskind-labelset

es6id: 13.7.5.13

description: >

    let ForDeclaration: creates a fresh binding per iteration

---*/

var fns = {};

var obj = Object.create(null);

obj.a = 1;

obj.b = 1;

obj.c = 1;

for (let x in obj) {

  // Store function objects as properties of an object so that their return

  // value may be verified regardless of the for-in statement's enumeration

  // order.

  fns[x] = function() { return x; };

assert.sameValue(typeof fns.a, 'function', 'property definition: "a"');

assert.sameValue(fns.a(), 'a');

assert.sameValue(typeof fns.b, 'function', 'property definition: "b"');

assert.sameValue(fns.b(), 'b');

assert.sameValue(typeof fns.c, 'function', 'property definition: "c"');

assert.sameValue(fns.c(), 'c');

reportCompare(0, 0);