test262/test/language/statements/generators/yield-as-generator-declarat...

29 lines
850 B
JavaScript

// 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 GeneratorDeclarations outside of
strict mode.
es6id: 12.1.1
flags: [noStrict]
features: [generators]
---*/
var iter, result;
function* yield() { (yield 3) + (yield 4); }
iter = 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');