if (self.importScripts) {
    importScripts('/resources/testharness.js');
    importScripts('../resources/testharness-helpers.js');
    importScripts('../resources/test-helpers.js');
}

// TODO(b/250611661): implement complete Cache API and adhere to web spec. Once
// complete, enable the tests commented out.

promise_test(function(t) {
    var cache_name = 'cache-storage/foo';
    return self.caches.delete(cache_name)
      .then(function() {
          return self.caches.open(cache_name);
        })
      .then(function(cache) {
          assert_true(cache instanceof Cache,
                      'CacheStorage.open should return a Cache.');
        });
  }, 'CacheStorage.open');

promise_test(function(t) {
    // Note that this test may collide with other tests running in the same
    // origin that also uses an empty cache name.
    var cache_name = '';
    return self.caches.delete(cache_name)
      .then(function() {
          return self.caches.open(cache_name);
        })
      .then(function(cache) {
          assert_true(cache instanceof Cache,
                      'CacheStorage.open should accept an empty name.');
        });
  }, 'CacheStorage.open with an empty name');

// promise_test(function(t) {
//     return assert_promise_rejects(
//       self.caches.open(),
//       new TypeError(),
//       'CacheStorage.open should throw TypeError if called with no arguments.');
//   }, 'CacheStorage.open with no arguments');

// promise_test(function(t) {
//     var test_cases = [
//       {
//         name: 'cache-storage/lowercase',
//         should_not_match:
//           [
//             'cache-storage/Lowercase',
//             ' cache-storage/lowercase',
//             'cache-storage/lowercase '
//           ]
//       },
//       {
//         name: 'cache-storage/has a space',
//         should_not_match:
//           [
//             'cache-storage/has'
//           ]
//       },
//       {
//         name: 'cache-storage/has\000_in_the_name',
//         should_not_match:
//           [
//             'cache-storage/has',
//             'cache-storage/has_in_the_name'
//           ]
//       }
//     ];
//     return Promise.all(test_cases.map(function(testcase) {
//         var cache_name = testcase.name;
//         return self.caches.delete(cache_name)
//           .then(function() {
//               return self.caches.open(cache_name);
//             })
//           .then(function() {
//               return self.caches.has(cache_name);
//             })
//           .then(function(result) {
//               assert_true(result,
//                           'CacheStorage.has should return true for existing ' +
//                           'cache.');
//             })
//           .then(function() {
//               return Promise.all(
//                 testcase.should_not_match.map(function(cache_name) {
//                     return self.caches.has(cache_name)
//                       .then(function(result) {
//                           assert_false(result,
//                                        'CacheStorage.has should only perform ' +
//                                        'exact matches on cache names.');
//                         });
//                   }));
//             })
//           .then(function() {
//               return self.caches.delete(cache_name);
//             });
//       }));
//   }, 'CacheStorage.has with existing cache');

// promise_test(function(t) {
//     return self.caches.has('cheezburger')
//       .then(function(result) {
//           assert_false(result,
//                        'CacheStorage.has should return false for ' +
//                        'nonexistent cache.');
//         });
//   }, 'CacheStorage.has with nonexistent cache');

promise_test(function(t) {
    var cache_name = 'cache-storage/open';
    var url = '../resources/simple.txt';
    var cache;
    return self.caches.delete(cache_name)
      .then(function() {
          return self.caches.open(cache_name);
        })
      .then(function(result) {
          cache = result;
        })
      .then(function() {
          return cache.add('../resources/simple.txt');
        })
      .then(function() {
          return self.caches.open(cache_name);
        })
      .then(function(result) {
          assert_true(result instanceof Cache,
                      'CacheStorage.open should return a Cache object');
          // assert_not_equals(result, cache,
          //                   'CacheStorage.open should return a new Cache ' +
          //                   'object each time its called.');
          return Promise.all([cache.keys(), result.keys()]);
        })
      .then(function(results) {
          var expected_urls = results[0].map(function(r) { return r.url });
          var actual_urls = results[1].map(function(r) { return r.url });
          assert_array_equals(actual_urls, expected_urls,
                              'CacheStorage.open should return a new Cache ' +
                              'object for the same backing store.');
        })
  }, 'CacheStorage.open with existing cache');

promise_test(function(t) {
    var cache_name = 'cache-storage/delete';

    return self.caches.delete(cache_name)
      .then(function() {
          return self.caches.open(cache_name);
        })
      .then(function() { return self.caches.delete(cache_name); })
      .then(function(result) {
          assert_true(result,
                      'CacheStorage.delete should return true after ' +
                      'deleting an existing cache.');
        })

      // .then(function() { return self.caches.has(cache_name); })
      // .then(function(cache_exists) {
      //     assert_false(cache_exists,
      //                  'CacheStorage.has should return false after ' +
      //                  'fulfillment of CacheStorage.delete promise.');
      //   });
  }, 'CacheStorage.delete with existing cache');

// promise_test(function(t) {
//     return self.caches.delete('cheezburger')
//       .then(function(result) {
//           assert_false(result,
//                        'CacheStorage.delete should return false for a ' +
//                        'nonexistent cache.');
//         });
//   }, 'CacheStorage.delete with nonexistent cache');

// promise_test(function(t) {
//     var bad_name = 'unpaired\uD800';
//     var converted_name = 'unpaired\uFFFD'; // Don't create cache with this name.
//     return self.caches.has(converted_name)
//       .then(function(cache_exists) {
//           assert_false(cache_exists,
//                        'Test setup failure: cache should not exist');
//       })
//       .then(function() { return self.caches.open(bad_name); })
//       .then(function() { return self.caches.keys(); })
//       .then(function(keys) {
//           assert_true(keys.indexOf(bad_name) !== -1,
//                       'keys should include cache with bad name');
//       })
//       .then(function() { return self.caches.has(bad_name); })
//       .then(function(cache_exists) {
//           assert_true(cache_exists,
//                       'CacheStorage names should be not be converted.');
//         })
//       .then(function() { return self.caches.has(converted_name); })
//       .then(function(cache_exists) {
//           assert_false(cache_exists,
//                        'CacheStorage names should be not be converted.');
//         });
//   }, 'CacheStorage names are DOMStrings not USVStrings');

done();