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// Copyright (C) 2015 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-assignment-operators
description: Assignment Operator evaluates the value prior validating a MemberExpression's reference (null)
info: |
# 13.15.2 Runtime Semantics: Evaluation
AssignmentExpression : LeftHandSideExpression = AssignmentExpression
1. If LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral,
then
a. Let lref be the result of evaluating LeftHandSideExpression.
[...]
e. Perform ? PutValue(lref, rval).
# 6.2.4.5 PutValue ( V, W )
[...]
5. If IsPropertyReference(V) is true, then
a. Let baseObj be ? ToObject(V.[[Base]]).
---*/
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(DummyError, function() {
var base = null;
var prop = {
toString: function() {
throw new Test262Error("property key evaluated");
}
};
var expr = function() {
throw new DummyError();
};
base[prop] = expr();
});
reportCompare(0, 0);
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