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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 13.7.5.11
description: >
Completion value when head has no declaration and iteration is skipped
info: |
IterationStatement : for ( LeftHandSideExpression in Expression ) Statement
1. Let keyResult be ForIn/OfHeadEvaluation( « », Expression, enumerate).
2. ReturnIfAbrupt(keyResult).
13.7.5.12 Runtime Semantics: ForIn/OfHeadEvaluation
[...]
7. If iterationKind is enumerate, then
a. If exprValue.[[value]] is null or undefined, then
i. Return Completion{[[type]]: break, [[value]]: empty, [[target]]:
empty}.
---*/
assert.sameValue(eval('var a; 1; for (a in undefined) { }'), undefined);
assert.sameValue(eval('var b; 2; for (b in undefined) { 3; }'), undefined);
assert.sameValue(eval('var c; 4; for (c in null) { }'), undefined);
assert.sameValue(eval('var d; 5; for (d in null) { 6; }'), undefined);
reportCompare(0, 0);