third_party/WebKit/LayoutTests/storage/indexeddb/resources/transaction-scope-sequencing.js

   1 if (this.importScripts) {
   2     importScripts('../../../resources/js-test.js');
   3     importScripts('shared.js');
   4 }
   5
   6 description("Check that scope restrictions on read-write transactions are enforced.");
   7
   8 indexedDBTest(prepareDatabase, runTransactions);
   9
  10 function prepareDatabase(evt)
  11 {
  12     preamble(evt);
  13     evalAndLog("db = event.target.result");
  14     evalAndLog("db.createObjectStore('a')");
  15     evalAndLog("db.createObjectStore('b')");
  16     evalAndLog("db.createObjectStore('c')");
  17 }
  18
  19 function runTransactions(evt)
  20 {
  21     preamble(evt);
  22     evalAndLog("db = event.target.result");
  23     debug("");
  24
  25     evalAndLog("transaction1 = db.transaction(['a'], 'readwrite')");
  26     evalAndLog("transaction1Started = false");
  27     evalAndLog("transaction1Complete = false");
  28     request = evalAndLog("transaction1.objectStore('a').get(0)");
  29     request.onerror = unexpectedErrorCallback;
  30     request.onsuccess = function() {
  31         debug("");
  32         evalAndLog("transaction1Started = true");
  33     };
  34     transaction1.onabort = unexpectedAbortCallback;
  35     transaction1.oncomplete = function() {
  36         debug("");
  37         evalAndLog("transaction1Complete = true");
  38         shouldBeFalse("transaction2Started");
  39         shouldBeFalse("transaction3Started");
  40     };
  41
  42     debug("");
  43     debug("transaction2 overlaps with transaction1, so must wait until transaction1 completes");
  44     evalAndLog("transaction2 = db.transaction(['a', 'b'], 'readwrite')");
  45     evalAndLog("transaction2Started = false");
  46     evalAndLog("transaction2Complete = false");
  47     request = evalAndLog("transaction2.objectStore('a').get(0)");
  48     request.onerror = unexpectedErrorCallback;
  49     request.onsuccess = function() {
  50         debug("");
  51         shouldBeTrue("transaction1Complete");
  52         evalAndLog("transaction2Started = true");
  53     };
  54     transaction2.onabort = unexpectedAbortCallback;
  55     transaction2.oncomplete = function() {
  56         debug("");
  57         evalAndLog("transaction2Complete = true");
  58         shouldBeFalse("transaction3Started");
  59     };
  60
  61     debug("");
  62     debug("transaction3 overlaps with transaction2, so must wait until transaction2 completes");
  63     debug("even though it does not overlap with transaction1");
  64     evalAndLog("transaction3 = db.transaction(['b', 'c'], 'readwrite')");
  65     evalAndLog("transaction3Started = false");
  66     evalAndLog("transaction3Complete = false");
  67     request = evalAndLog("transaction3.objectStore('b').get(0)");
  68     request.onerror = unexpectedErrorCallback;
  69     request.onsuccess = function() {
  70         debug("");
  71         shouldBeTrue("transaction1Complete");
  72         shouldBeTrue("transaction2Complete");
  73         evalAndLog("transaction3Started = true");
  74     };
  75     transaction3.onabort = unexpectedAbortCallback;
  76     transaction3.oncomplete = function() {
  77         debug("");
  78         evalAndLog("transaction3Complete = true");
  79         finishJSTest();
  80     };
  81 }