Update idb tests to verify correct number behavior.

tests/html/indexeddb_1_test.dart

 library IndexedDB1Test;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:async';
 import 'dart:html' as html;
+import 'dart:math' as math;
 import 'dart:indexed_db' as idb;
 
 const String STORE_NAME = 'TEST';
 const int VERSION = 1;
 
 var databaseNameIndex = 0;
 String nextDatabaseName() {
   return 'Test1_${databaseNameIndex++}';
 }
 
@@ skipping 14 matching lines @@
             expect(e.oldVersion, 1);
             expect(e.newVersion, 2);
             upgraded = true;
           });
     }).then((_) {
       expect(upgraded, isTrue);
     });
 }
 
 testReadWrite(key, value, matcher,
-    [dbName, storeName = STORE_NAME, version = VERSION]) => () {
+    [dbName, storeName = STORE_NAME, version = VERSION, 
+    stringifyResult = false]) => () {
   if (dbName == null) {
     dbName = nextDatabaseName();
   }
   createObjectStore(e) {
     var store = e.target.result.createObjectStore(storeName);
     expect(store, isNotNull);
   }
 
   var db;
   return html.window.indexedDB.deleteDatabase(dbName).then((_) {
       return html.window.indexedDB.open(dbName, version: version,
           onUpgradeNeeded: createObjectStore);
     }).then((result) {
       db = result;
       var transaction = db.transactionList([storeName], 'readwrite');
       transaction.objectStore(storeName).put(value, key);
       return transaction.completed;
     }).then((_) {
       var transaction = db.transaction(storeName, 'readonly');
       return transaction.objectStore(storeName).getObject(key);
     }).then((object) {
       db.close();
-      expect(object, matcher);
+      if (stringifyResult) {
+        // Stringify the numbers to verify that we're correctly returning ints
+        // as ints vs doubles.
+        expect(object.toString(), matcher);
+      } else {
+        expect(object, matcher);
+      }
     }).whenComplete(() {
       if (db != null) {
         db.close();
       }
       return html.window.indexedDB.deleteDatabase(dbName);
     });
 };
 
 testReadWriteTyped(key, value, matcher,
-    [dbName, storeName = STORE_NAME, version = VERSION]) => () {
+    [dbName, storeName = STORE_NAME, version = VERSION, 
+    stringifyResult = false]) => () {
   if (dbName == null) {
     dbName = nextDatabaseName();
   }
   void createObjectStore(e) {
     var store = e.target.result.createObjectStore(storeName);
     expect(store, isNotNull);
   }
 
   idb.Database db;
   // Delete any existing DBs.
   return html.window.indexedDB.deleteDatabase(dbName).then((_) {
       return html.window.indexedDB.open(dbName, version: version,
         onUpgradeNeeded: createObjectStore);
     }).then((idb.Database result) {
       db = result;
       idb.Transaction transaction = db.transactionList([storeName], 'readwrite');
       transaction.objectStore(storeName).put(value, key);
 
       return transaction.completed;
     }).then((idb.Database result) {
       idb.Transaction transaction = db.transaction(storeName, 'readonly');
       return transaction.objectStore(storeName).getObject(key);
     }).then((object) {
       db.close();
-      expect(object, matcher);
+      if (stringifyResult) {
+        // Stringify the numbers to verify that we're correctly returning ints
+        // as ints vs doubles.
+        expect(object.toString(), matcher);
+      } else {
+        expect(object, matcher);
+      }
     }).whenComplete(() {
       if (db != null) {
         db.close();
       }
       return html.window.indexedDB.deleteDatabase(dbName);
     });
 };
 
 void testTypes(testFunction) {
   test('String', testFunction(123, 'Hoot!', equals('Hoot!')));
   test('int', testFunction(123, 12345, equals(12345)));
   test('List', testFunction(123, [1, 2, 3], equals([1, 2, 3])));
   test('List 2', testFunction(123, [2, 3, 4], equals([2, 3, 4])));
   test('bool', testFunction(123, [true, false], equals([true, false])));
+  test('largeInt', testFunction(123, 1371854424211,
+      equals("1371854424211"), null, STORE_NAME, VERSION, true));
+  test('largeDoubleConvertedToInt', testFunction(123, 1371854424211.0,
+      equals("1371854424211"), null, STORE_NAME, VERSION, true));
+  test('double', testFunction(123, math.pow(2, 53),
+      equals("9007199254740992.0"), null, STORE_NAME, VERSION, true));
+  test('largeIntInMap', testFunction(123, {'time': 4503599627370492},
+      equals("{time: 4503599627370492}"), null, STORE_NAME, VERSION, true));
   var now = new DateTime.now();
   test('DateTime', testFunction(123, now,
     predicate((date) =>
       date.millisecondsSinceEpoch == now.millisecondsSinceEpoch)));
 }
 
 main() {
   useHtmlIndividualConfiguration();
 
   // Test that indexed_db is properly flagged as supported or not.
@@ skipping 26 matching lines @@
       test('upgrade', testUpgrade);
       group('dynamic', () {
         testTypes(testReadWrite);
       });
       group('typed', () {
         testTypes(testReadWriteTyped);
       });
     }
   });
 }