// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-assignment-operators-runtime-semantics-evaluation
description: >
ToBoolean returns `false` for [[IsHTMLDDA]] object; rval is not evaluated.
info: |
AssignmentExpression : LeftHandSideExpression &&= AssignmentExpression
1. Let lref be the result of evaluating LeftHandSideExpression.
2. Let lval be ? GetValue(lref).
3. Let lbool be ! ToBoolean(lval).
4. If lbool is false, return lval.
The [[IsHTMLDDA]] Internal Slot / Changes to ToBoolean
1. If argument has an [[IsHTMLDDA]] internal slot, return false.
2. Return true.
features: [IsHTMLDDA, logical-assignment-operators]
---*/
var IsHTMLDDA = $262.IsHTMLDDA;
var value = IsHTMLDDA;
assert.sameValue(value &&= unresolved, IsHTMLDDA);
assert.sameValue(value, IsHTMLDDA);