// 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: > Formal parameters are valid yield expression operands. features: [generators] ---*/ function* g(a, b, c, d) { yield a; yield b; yield c; yield d; } var iter = g(23, 45, 33); var result; result = iter.next(); assert.sameValue(result.value, 23, 'First result `value`'); assert.sameValue(result.done, false, 'First result `done` flag'); result = iter.next(); assert.sameValue(result.value, 45, 'Second result `value`'); assert.sameValue(result.done, false, 'Second result `done` flag'); result = iter.next(); assert.sameValue(result.value, 33, 'Third result `value`'); assert.sameValue(result.done, false, 'Third result `done` flag'); result = iter.next(); assert.sameValue( result.value, undefined, 'Fourth result `value` (unspecified parameter)' ); assert.sameValue( result.done, false, 'Fourth result `done` flag (unspecified parameter)' ); result = iter.next(); assert.sameValue(result.value, undefined, 'Final result `value`'); assert.sameValue(result.done, true, 'Final result `done` flag');