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

   1 <!DOCTYPE html>
   2 <meta charset="utf-8">
   3 <title>Recursive value</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="support.js"></script>
   8
   9 <script>
  10 function recursive_value(desc, value) {
  11     var db, t = async_test(document.title + " - " + desc);
  12
  13     createdb(t).onupgradeneeded = function(e) {
  14         db = e.target.result
  15         db.createObjectStore("store")
  16           .add(value, 1);
  17
  18         e.target.onsuccess = t.step_func(function(e) {
  19             db.transaction('store')
  20               .objectStore('store')
  21               .get(1)
  22               .onsuccess = t.step_func(function(e)
  23             {
  24
  25                 try
  26                 {
  27                     var fresh_value = JSON.stringify(value);
  28                     assert_unreached("Testcase is written wrongly, must supply something recursive (that JSON won't stringify).");
  29                 }
  30                 catch (e)
  31                 {
  32                     if (e.name == 'TypeError')
  33                     {
  34                         try
  35                         {
  36                             JSON.stringify(e.target.result);
  37                             assert_unreached("Expected a non-JSON-serializable value back, didn't get that.");
  38                         }
  39                         catch (e)
  40                         {
  41                             t.done();
  42                             return;
  43                         }
  44                     }
  45                     else
  46                         throw e;
  47                 }
  48             });
  49         });
  50     };
  51 }
  52
  53 var recursive = [];
  54 recursive.push(recursive);
  55 recursive_value('array directly contains self', recursive);
  56
  57 var recursive2 = [];
  58 recursive2.push([recursive2]);
  59 recursive_value('array indirectly contains self', recursive2);
  60
  61 var recursive3 = [recursive];
  62 recursive_value('array member contains self', recursive3);
  63
  64 </script>
  65
  66 <div id="log"></div>