src/third_party/WebKit/LayoutTests/imported/web-platform-tests/IndexedDB/idbcursor_iterating_index2.htm

   1 <!DOCTYPE html>
   2 <title>IDBCursor.continue() - index - add next element, and iterate to it</title>
   3 <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
   4 <script src="../../../resources/testharness.js"></script>
   5 <script src="../../../resources/testharnessreport.js"></script>
   6 <script src="support.js"></script>
   7
   8 <script>
   9     var db,
  10       count = 0,
  11       t = async_test(document.title, {timeout: 10000}),
  12       records = [ { pKey: "primaryKey_0", obj: { iKey: "iKey_0" }},
  13                   { pKey: "primaryKey_2", obj: { iKey: "iKey_2" }} ],
  14
  15       expected = [ [ "primaryKey_2", "iKey_2" ],
  16                    [ "primaryKey_1", "iKey_1" ],
  17                    [ "primaryKey_0", "iKey_0" ] ];
  18
  19     var open_rq = createdb(t);
  20     open_rq.onupgradeneeded = function(e) {
  21         db = e.target.result;
  22         var objStore = db.createObjectStore("test", {keyPath:"pKey"});
  23         objStore.createIndex("index", [ "pKey", "obj.iKey" ]);
  24
  25         for (var i = 0; i < records.length; i++)
  26             objStore.add(records[i]);
  27     };
  28
  29     open_rq.onsuccess = function(e) {
  30         var cursor_rq = db.transaction("test", "readwrite")
  31                           .objectStore("test")
  32                           .index("index")
  33                           .openCursor(null, "prev");
  34
  35         cursor_rq.onsuccess = t.step_func(function(e) {
  36             var cursor = e.target.result;
  37             if (!cursor) {
  38                 assert_equals(count, 3, "cursor run count");
  39                 t.done();
  40             }
  41
  42             if (count === 0) {
  43                 e.target.source.objectStore.add({ pKey: "primaryKey_1", obj: { iKey: "iKey_1" } });
  44             }
  45             assert_array_equals(cursor.key, expected[count], "primary key");
  46
  47             cursor.continue();
  48             count++;
  49         });
  50     };
  51 </script>
  52
  53 <div id="log"> </div>