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