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- // Copyright (c) 2020 Ecma International. All rights reserved.
- // This code is governed by the BSD license found in the LICENSE file.
- /*---
- esid: sec-assignment-operators-runtime-semantics-evaluation
- description: >
- Strict Mode - TypeError is not thrown if the LeftHandSide of a Logical
- Assignment operator(&&=) is a reference to a data property with the
- attribute value {[[Writable]]:false} and PutValue step is not reached.
- flags: [onlyStrict]
- features: [logical-assignment-operators]
- ---*/
- var obj = {};
- Object.defineProperty(obj, "prop", {
- value: 0,
- writable: false,
- enumerable: true,
- configurable: true
- });
- assert.sameValue(obj.prop &&= 1, 0, "obj.prop");
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