// Copyright (C) 2015 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- info: Compound Assignment Operator evaluates its operands from left to right. description: > The left-hand side expression is evaluated before the right-hand side. Left-hand side expression is MemberExpression: base[prop]. base is the null value. Check operator is "x %= y". ---*/ function DummyError() { } assert.throws(DummyError, function() { var base = null; var prop = function() { throw new DummyError(); }; var expr = function() { throw new Test262Error("right-hand side expression evaluated"); }; base[prop()] %= expr(); }); assert.throws(TypeError, function() { var base = null; var prop = { toString: function() { throw new Test262Error("property key evaluated"); } }; var expr = function() { throw new Test262Error("right-hand side expression evaluated"); }; base[prop] %= expr(); }); reportCompare(0, 0);