from-with.js - mozsearch

Enable keyboard shortcuts

// 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: >

    The operand to a `yield` expression should honor the semantics of the

    `with` statement.

flags: [noStrict]

features: [generators]

---*/

function* g() {

  var x = 1;

  yield x;

  with ({ x: 2 }) {

    yield x;

  yield x;

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();

assert.sameValue(result.value, 2, 'Second result `value`');

assert.sameValue(result.done, false, 'Second result `done` flag');

result = iter.next();

assert.sameValue(result.value, 1, 'Third result `value`');

assert.sameValue(result.done, false, 'Third result `done` flag');

result = iter.next();

assert.sameValue(result.value, undefined, 'Final result `value`');

assert.sameValue(result.done, true, 'Final result `done` flag');

reportCompare(0, 0);