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// Copyright 2015 Mike Pennisi. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-getidentifierreference
es6id: 8.1.2.1
description: >
Behavior when accessing property of `Symbol.unscopables` property throws an
error
info: |
[...]
2. Let envRec be lex's EnvironmentRecord.
3. Let exists be ? envRec.HasBinding(name).
8.1.1.2.1 HasBinding
[...]
5. If the withEnvironment flag of envRec is false, return true.
6. Let unscopables be ? Get(bindings, @@unscopables).
7. If Type(unscopables) is Object, then
a. Let blocked be ToBoolean(? Get(unscopables, N)).
b. If blocked is true, return false.
13.11.7 (The `with` Statement) Runtime Semantics: Evaluation
[...]
5. Set the withEnvironment flag of newEnv’s EnvironmentRecord to true.
[...]
flags: [noStrict]
features: [Symbol.unscopables]
---*/
var env = { x: 86 };
env[Symbol.unscopables] = {};
Object.defineProperty(env[Symbol.unscopables], 'x', {
get: function() {
throw new Test262Error();
}
});
with (env) {
assert.throws(Test262Error, function() {
x;
});
}
reportCompare(0, 0);