JSTests/test262/test/language/expressions/object/method-definition/yield-as-generator-method-binding-identifier.js

// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
  description: >
      `yield` is a valid BindingIdentifier for GeneratorMethods outside of
      strict mode.
  features: [generators]
  es6id: 12.1.1
  flags: [noStrict]
 ---*/

var iter, result;
var obj = {
  *yield() { (yield 3) + (yield 4); }
}

iter = obj.yield();

result = iter.next();
assert.sameValue(result.value, 3, 'First result `value`');
assert.sameValue(result.done, false, 'First result `done` flag');

result = iter.next();
assert.sameValue(result.value, 4, 'Second result `value`');
assert.sameValue(result.done, false, 'Second result `done` flag');

result = iter.next();
assert.sameValue(result.value, undefined, 'Third result `value`');
assert.sameValue(result.done, true, 'Third result `done` flag');;