The Tor Browser: dom/indexedDB/test/unit/test_advance.js@6474c204b198 (annotated)

dom/indexedDB/test/unit/test_advance.js@6474c204b198 (annotated)

dom/indexedDB/test/unit/test_advance.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /**
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 var testGenerator = testSteps();
 function testSteps()
 {
   const dataCount = 30;
   let request = indexedDB.open(this.window ? window.location.pathname : "Splendid Test", 1);
   request.onerror = errorHandler;
   request.onupgradeneeded = grabEventAndContinueHandler;
   let event = yield undefined;
   let db = event.target.result;
   db.onerror = errorHandler;
   event.target.onsuccess = continueToNextStep;
   let objectStore = db.createObjectStore("", { keyPath: "key" });
   objectStore.createIndex("", "index");
   for (let i = 0; i < dataCount; i++) {
     objectStore.add({ key: i, index: i });
   }
   yield undefined;
   function getObjectStore() {
     return db.transaction("").objectStore("");
   }
   function getIndex() {
     return db.transaction("").objectStore("").index("");
   }
   let count = 0;
   getObjectStore().openCursor().onsuccess = function(event) {
     let cursor = event.target.result;
     if (cursor) {
       count++;
       cursor.continue();
     }
     else {
       continueToNextStep();
     }
   };
   yield undefined;
   is(count, dataCount, "Saw all data");
   count = 0;
   getObjectStore().openCursor().onsuccess = function(event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.primaryKey, count, "Got correct object");
       if (count) {
         count++;
         cursor.continue();
       }
       else {
         count = 10;
         cursor.advance(10);
       }
     }
     else {
       continueToNextStep();
     }
   };
   yield undefined;
   is(count, dataCount, "Saw all data");
   count = 0;
   getIndex().openCursor().onsuccess = function(event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.primaryKey, count, "Got correct object");
       if (count) {
         count++;
         cursor.continue();
       }
       else {
         count = 10;
         cursor.advance(10);
       }
     }
     else {
       continueToNextStep();
     }
   };
   yield undefined;
   is(count, dataCount, "Saw all data");
   count = 0;
   getIndex().openKeyCursor().onsuccess = function(event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.primaryKey, count, "Got correct object");
       if (count) {
         count++;
         cursor.continue();
       }
       else {
         count = 10;
         cursor.advance(10);
       }
     }
     else {
       continueToNextStep();
     }
   };
   yield undefined;
   is(count, dataCount, "Saw all data");
   count = 0;
   getObjectStore().openCursor().onsuccess = function(event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.primaryKey, count, "Got correct object");
       if (count == 0) {
         cursor.advance(dataCount + 1);
       }
       else {
         ok(false, "Should never get here!");
         cursor.continue();
       }
     }
     else {
       continueToNextStep();
     }
   };
   yield undefined;
   is(count, 0, "Saw all data");
   count = dataCount - 1;
   getObjectStore().openCursor(null, "prev").onsuccess = function(event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.primaryKey, count, "Got correct object");
       count--;
       if (count == dataCount - 2) {
         cursor.advance(10);
         count -= 9;
       }
       else {
         cursor.continue();
       }
     }
     else {
       continueToNextStep();
     }
   };
   yield undefined;
   is(count, -1, "Saw all data");
   count = dataCount - 1;
   getObjectStore().openCursor(null, "prev").onsuccess = function(event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.primaryKey, count, "Got correct object");
       if (count == dataCount - 1) {
         cursor.advance(dataCount + 1);
       }
       else {
         ok(false, "Should never get here!");
         cursor.continue();
       }
     }
     else {
       continueToNextStep();
     }
   };
   yield undefined;
   is(count, dataCount - 1, "Saw all data");
   finishTest();
   yield undefined;
 }