// Copyright (C) 2013 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 25.2 description: > Yield expressions are valid yield expression operands. features: [generators] ---*/ function* g() { yield yield 1; } var iter = g(); var result; result = iter.next(); assert.sameValue(result.value, 1, 'First result `value`'); assert.sameValue(result.done, false, 'First result `done` flag'); result = iter.next(3); assert.sameValue(result.value, 3, 'Second result `value`'); assert.sameValue(result.done, false, 'Second result `done` flag'); result = iter.next(); assert.sameValue(result.value, undefined, 'Final result `value`'); assert.sameValue(result.done, true, 'Final result `done`flag');