third_party/WebKit/LayoutTests/storage/indexeddb/resources/cursor-reverse-bug.js

   1 if (this.importScripts) {
   2     importScripts('../../../resources/js-test.js');
   3     importScripts('shared.js');
   4 }
   5
   6 description("Test IndexedDB keys ordering and readback from cursors.");
   7
   8 indexedDBTest(prepareDatabase, populateStore);
   9 function prepareDatabase()
  10 {
  11     db = event.target.result;
  12     store = evalAndLog("store = db.createObjectStore('store')");
  13     evalAndLog("store.createIndex('index', '')");
  14 }
  15
  16 function populateStore()
  17 {
  18     debug("");
  19     debug("populating store...");
  20     evalAndLog("trans = db.transaction('store', 'readwrite')");
  21     evalAndLog("store = trans.objectStore('store');");
  22     trans.onerror = unexpectedErrorCallback;
  23     trans.onabort = unexpectedAbortCallback;
  24
  25     evalAndLog("store.put(1, 1)");
  26     evalAndLog("store.put(2, 2)");
  27     evalAndLog("store.put(3, 3)");
  28     trans.oncomplete = testCursor;
  29 }
  30
  31 var tests = [
  32                 {upperBound: 7, open: false, expected: 3},
  33                 {upperBound: 7, open: true,  expected: 3},
  34                 {upperBound: 3, open: false, expected: 3},
  35                 {upperBound: 3, open: true,  expected: 2}
  36             ];
  37
  38 function testCursor()
  39 {
  40     debug("testCursor()");
  41
  42     if (tests.length === 0) {
  43         debug("No more tests.");
  44         finishJSTest();
  45         return;
  46     }
  47
  48     test = tests.shift();
  49
  50     evalAndLog("trans = db.transaction('store', 'readonly')");
  51     trans.onerror = unexpectedErrorCallback;
  52     trans.onabort = unexpectedAbortCallback;
  53     trans.oncomplete = testCursor;
  54     evalAndLog("store = trans.objectStore('store');");
  55     evalAndLog("index = store.index('index');");
  56
  57     var testFunction = function() {
  58         evalAndLog("cursor = event.target.result");
  59         if (cursor === null) {
  60             debug("cursor should not be null");
  61             fail();
  62             return;
  63         }
  64
  65         shouldBe("cursor.key", "test.expected");
  66         if ("value" in cursor)
  67             shouldBe("cursor.value", "test.expected");
  68         shouldBe("cursor.primaryKey", "test.expected");
  69
  70         // Let the transaction finish.
  71     }
  72
  73     debug("upperBound: " + test.upperBound + " open: " + test.open + " expected: " + test.expected);
  74     storeReq = evalAndLog("storeReq = store.openCursor(IDBKeyRange.upperBound(test.upperBound, test.open), 'prev')");
  75     storeReq.onsuccess = testFunction;
  76
  77     indexReq = evalAndLog("indexReq = index.openCursor(IDBKeyRange.upperBound(test.upperBound, test.open), 'prev')");
  78     indexReq.onsuccess = testFunction;
  79
  80     indexKeyReq = evalAndLog("indexKeyReq = index.openKeyCursor(IDBKeyRange.upperBound(test.upperBound, test.open), 'prev')");
  81     indexKeyReq.onsuccess = testFunction;
  82 }