Import Mozilla's IndexedDB getAll/getAllKeys tests

LayoutTests/storage/indexeddb/mozilla/resources/test_getAllKeys.js

+// Imported from:
+// * http://mxr.mozilla.org/mozilla-central/source/dom/indexedDB/test/unit/test_objectStore_getAllKeys.js?force=1
+// Changes:
+// * added 'use strict' since some ES6 features NYI w/o it
+// * function -> function*
+// * this.window -> window
+// * testGenerator.send() -> testGenerator.next()
+// * Added deleteDatabase() step to reset storage state
+
+'use strict';
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+let testGenerator = testSteps();
+
+function* testSteps() {
+  const dbName = window ?
+                 window.location.pathname :
+                 "test_objectStore_getAllKeys";
+  indexedDB.deleteDatabase(dbName);
+  const dbVersion = 1;
+  const objectStoreName = "foo";
+  const keyCount = 200;
+
+  let request = indexedDB.open(dbName, dbVersion);
+  request.onerror = errorHandler;
+  request.onupgradeneeded = grabEventAndContinueHandler;
+  request.onsuccess = unexpectedSuccessHandler;
+
+  let event = yield undefined;
+
+  info("Creating database");
+
+  let db = event.target.result;
+  let objectStore = db.createObjectStore(objectStoreName);
+  for (let i = 0; i < keyCount; i++) {
+    objectStore.add(true, i);
+  }
+
+  request.onupgradeneeded = unexpectedSuccessHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+
+  db = event.target.result;
+  objectStore = db.transaction(objectStoreName).objectStore(objectStoreName);
+
+  info("Getting all keys");
+  objectStore.getAllKeys().onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  ok(Array.isArray(event.target.result), "Got an array result");
+  is(event.target.result.length, keyCount, "Got correct array length");
+
+  let match = true;
+  for (let i = 0; i < keyCount; i++) {
+    if (event.target.result[i] != i) {
+      match = false;
+      break;
+    }
+  }
+  ok(match, "Got correct keys");
+
+  info("Getting all keys with key range");
+  let keyRange = IDBKeyRange.bound(10, 20, false, true);
+  objectStore.getAllKeys(keyRange).onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  ok(Array.isArray(event.target.result), "Got an array result");
+  is(event.target.result.length, 10, "Got correct array length");
+
+  match = true;
+  for (let i = 10; i < 20; i++) {
+    if (event.target.result[i - 10] != i) {
+      match = false;
+      break;
+    }
+  }
+  ok(match, "Got correct keys");
+
+  info("Getting all keys with unmatched key range");
+  keyRange = IDBKeyRange.bound(10000, 200000);
+  objectStore.getAllKeys(keyRange).onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  ok(Array.isArray(event.target.result), "Got an array result");
+  is(event.target.result.length, 0, "Got correct array length");
+
+  info("Getting all keys with limit");
+  objectStore.getAllKeys(null, 5).onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  ok(Array.isArray(event.target.result), "Got an array result");
+  is(event.target.result.length, 5, "Got correct array length");
+
+  match = true;
+  for (let i = 0; i < 5; i++) {
+    if (event.target.result[i] != i) {
+      match = false;
+      break;
+    }
+  }
+  ok(match, "Got correct keys");
+
+  info("Getting all keys with key range and limit");
+  keyRange = IDBKeyRange.bound(10, 20, false, true);
+  objectStore.getAllKeys(keyRange, 5).onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  ok(Array.isArray(event.target.result), "Got an array result");
+  is(event.target.result.length, 5, "Got correct array length");
+
+  match = true;
+  for (let i = 10; i < 15; i++) {
+    if (event.target.result[i - 10] != i) {
+      match = false;
+      break;
+    }
+  }
+  ok(match, "Got correct keys");
+
+  info("Getting all keys with unmatched key range and limit");
+  keyRange = IDBKeyRange.bound(10000, 200000);
+  objectStore.getAllKeys(keyRange, 5).onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  ok(Array.isArray(event.target.result), "Got an array result");
+  is(event.target.result.length, 0, "Got correct array length");
+
+  finishTest();
+  yield undefined;
+}