The Tor Browser: dom/indexedDB/test/unit/test_cursors.js@b8a032363ba2 (annotated)

dom/indexedDB/test/unit/test_cursors.js@b8a032363ba2 (annotated)

dom/indexedDB/test/unit/test_cursors.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /**
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 var testGenerator = testSteps();
 function testSteps()
 {
   const name = this.window ? window.location.pathname : "Splendid Test";
   const keys = [1, -1, 0, 10, 2000, "q", "z", "two", "b", "a"];
   const sortedKeys = [-1, 0, 1, 10, 2000, "a", "b", "q", "two", "z"];
   is(keys.length, sortedKeys.length, "Good key setup");
   let request = indexedDB.open(name, 1);
   request.onerror = errorHandler;
   request.onupgradeneeded = grabEventAndContinueHandler;
   let event = yield undefined;
   let db = event.target.result;
   let objectStore = db.createObjectStore("autoIncrement",
                                          { autoIncrement: true });
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     ok(!event.target.result, "No results");
     testGenerator.next();
   }
   yield undefined;
   objectStore = db.createObjectStore("autoIncrementKeyPath",
                                      { keyPath: "foo",
                                        autoIncrement: true });
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     ok(!event.target.result, "No results");
     testGenerator.next();
   }
   yield undefined;
   objectStore = db.createObjectStore("keyPath", { keyPath: "foo" });
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     ok(!event.target.result, "No results");
     testGenerator.next();
   }
   yield undefined;
   objectStore = db.createObjectStore("foo");
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     ok(!event.target.result, "No results");
     testGenerator.next();
   }
   yield undefined;
   let keyIndex = 0;
   for (let i in keys) {
     request = objectStore.add("foo", keys[i]);
     request.onerror = errorHandler;
     request.onsuccess = function(event) {
       if (++keyIndex == keys.length) {
         testGenerator.next();
       }
     };
   }
   yield undefined;
   keyIndex = 0;
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       cursor.continue();
       try {
         cursor.continue();
         ok(false, "continue twice should throw");
       }
       catch (e) {
         ok(e instanceof DOMException, "got a database exception");
         is(e.name, "InvalidStateError", "correct error");
         is(e.code, DOMException.INVALID_STATE_ERR, "correct code");
       }
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, keys.length, "Saw all added items");
   keyIndex = 4;
   let range = IDBKeyRange.bound(2000, "q");
   request = objectStore.openCursor(range);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       cursor.continue();
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 8, "Saw all the expected keys");
   keyIndex = 0;
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       if (keyIndex) {
         cursor.continue();
       }
       else {
         cursor.continue("b");
       }
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       keyIndex += keyIndex ? 1: 6;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, keys.length, "Saw all the expected keys");
   keyIndex = 0;
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       if (keyIndex) {
         cursor.continue();
       }
       else {
         cursor.continue(10);
       }
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       keyIndex += keyIndex ? 1: 3;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, keys.length, "Saw all the expected keys");
   keyIndex = 0;
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       if (keyIndex) {
         cursor.continue();
       }
       else {
         cursor.continue("c");
       }
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       keyIndex += keyIndex ? 1 : 7;
     }
     else {
       ok(cursor === null, "The request result should be null.");
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, keys.length, "Saw all the expected keys");
   keyIndex = 0;
   request = objectStore.openCursor();
   request.onerror = errorHandler;
   let storedCursor = null;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       storedCursor = cursor;
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       if (keyIndex == 4) {
         request = cursor.update("bar");
         request.onerror = errorHandler;
         request.onsuccess = function(event) {
           keyIndex++;
           cursor.continue();
         };
       }
       else {
         keyIndex++;
         cursor.continue();
       }
     }
     else {
       ok(cursor === null, "The request result should be null.");
       ok(storedCursor.value === undefined, "The cursor's value should be undefined.");
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, keys.length, "Saw all the expected keys");
   request = objectStore.get(sortedKeys[4]);
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   is(event.target.result, "bar", "Update succeeded");
   request = objectStore.put("foo", sortedKeys[4]);
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   keyIndex = 0;
   let gotRemoveEvent = false;
   let retval = false;
   request = objectStore.openCursor(null, "next");
   request.onerror = errorHandler;
   storedCursor = null;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       storedCursor = cursor;
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       if (keyIndex == 4) {
         request = cursor.delete();
         request.onerror = errorHandler;
         request.onsuccess = function(event) {
           ok(event.target.result === undefined, "Should be undefined");
           is(keyIndex, 5, "Got result of remove before next continue");
           gotRemoveEvent = true;
         };
       }
       keyIndex++;
       cursor.continue();
     }
     else {
       ok(cursor === null, "The request result should be null.");
       ok(storedCursor.value === undefined, "The cursor's value should be undefined.");
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, keys.length, "Saw all the expected keys");
   is(gotRemoveEvent, true, "Saw the remove event");
   request = objectStore.get(sortedKeys[4]);
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   is(event.target.result, undefined, "Entry was deleted");
   request = objectStore.add("foo", sortedKeys[4]);
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   keyIndex = sortedKeys.length - 1;
   request = objectStore.openCursor(null, "prev");
   request.onerror = errorHandler;
   storedCursor = null;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       storedCursor = cursor;
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       cursor.continue();
       is(cursor.key, sortedKeys[keyIndex], "Correct key");
       is(cursor.primaryKey, sortedKeys[keyIndex], "Correct primary key");
       is(cursor.value, "foo", "Correct value");
       keyIndex--;
     }
     else {
       ok(cursor === null, "The request result should be null.");
       ok(storedCursor.value === undefined, "The cursor's value should be undefined.");
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, -1, "Saw all added items");
   finishTest();
   yield undefined;
 }