idbobjectstore_count3.htm

   1 <!DOCTYPE html>
   2 <meta charset=utf-8>
   3 <title>IDBObjectStore.count() - returns the number of records that have keys with the key</title>
   4 <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
   5 <script src=/resources/testharness.js></script>
   6 <script src=/resources/testharnessreport.js></script>
   7 <script src=resources/support.js></script>
   8
   9 <script>
  10     var db
  11
  12     createdb(async_test()).onupgradeneeded = function(e) {
  13         db = e.target.result
  14
  15         var store = db.createObjectStore("store", { keyPath: "k" })
  16
  17         for (var i = 0; i < 5; i++)
  18             store.add({ k: "key_" + i });
  19
  20         store.count("key_2").onsuccess = this.step_func(function(e) {
  21             assert_equals(e.target.result, 1, "count(key_2)")
  22
  23             store.count("key_").onsuccess = this.step_func(function(e) {
  24                 assert_equals(e.target.result, 0, "count(key_)")
  25                 this.done()
  26             })
  27         })
  28     }
  29
  30 </script>
  31 <div id=log></div>