1 files changed, 108 insertions, 0 deletions
diff --git a/dom/indexedDB/test/unit/test_deleteDatabase.js b/dom/indexedDB/test/unit/test_deleteDatabase.js
new file mode 100644
index 0000000000..51e33ad974
--- /dev/null
+++ b/dom/indexedDB/test/unit/test_deleteDatabase.js
@@ -0,0 +1,108 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/* exported testGenerator */
+var testGenerator = testSteps();
+
+function* testSteps() {
+  const name = this.window ? window.location.pathname : "Splendid Test";
+
+  ok(indexedDB.deleteDatabase, "deleteDatabase function should exist!");
+
+  let request = indexedDB.open(name, 10);
+  request.onerror = errorHandler;
+  request.onsuccess = unexpectedSuccessHandler;
+  request.onupgradeneeded = grabEventAndContinueHandler;
+
+  ok(request instanceof IDBOpenDBRequest, "Expect an IDBOpenDBRequest");
+
+  let event = yield undefined;
+
+  is(event.type, "upgradeneeded", "Expect an upgradeneeded event");
+  ok(event instanceof IDBVersionChangeEvent, "Expect a versionchange event");
+
+  let db = event.target.result;
+  db.createObjectStore("stuff");
+
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+
+  is(event.type, "success", "Expect a success event");
+  is(event.target, request, "Event has right target");
+  ok(event.target.result instanceof IDBDatabase, "Result should be a database");
+  is(db.objectStoreNames.length, 1, "Expect an objectStore here");
+
+  request = indexedDB.open(name, 10);
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+  is(event.type, "success", "Expect a success event");
+  is(event.target, request, "Event has right target");
+  ok(event.target.result instanceof IDBDatabase, "Result should be a database");
+  let db2 = event.target.result;
+  is(db2.objectStoreNames.length, 1, "Expect an objectStore here");
+
+  var onversionchangecalled = false;
+
+  function closeDBs(event) {
+    onversionchangecalled = true;
+    ok(event instanceof IDBVersionChangeEvent, "expect a versionchange event");
+    is(event.oldVersion, 10, "oldVersion should be 10");
+    ok(event.newVersion === null, "newVersion should be null");
+    ok(!(event.newVersion === undefined), "newVersion should be null");
+    ok(!(event.newVersion === 0), "newVersion should be null");
+    db.close();
+    db2.close();
+    db.onversionchange = unexpectedSuccessHandler;
+    db2.onversionchange = unexpectedSuccessHandler;
+  }
+
+  // The IDB spec doesn't guarantee the order that onversionchange will fire
+  // on the dbs.
+  db.onversionchange = closeDBs;
+  db2.onversionchange = closeDBs;
+
+  request = indexedDB.deleteDatabase(name);
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  ok(request instanceof IDBOpenDBRequest, "Expect an IDBOpenDBRequest");
+
+  event = yield undefined;
+  ok(onversionchangecalled, "Expected versionchange events");
+  is(event.type, "success", "expect a success event");
+  is(event.target, request, "event has right target");
+  ok(event.target.result === undefined, "event should have no result");
+
+  request = indexedDB.open(name, 1);
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+  is(event.target.result.version, 1, "DB has proper version");
+  is(
+    event.target.result.objectStoreNames.length,
+    0,
+    "DB should have no object stores"
+  );
+
+  request = indexedDB.deleteDatabase("thisDatabaseHadBetterNotExist");
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+  ok(true, "deleteDatabase on a non-existent database succeeded");
+
+  request = indexedDB.open("thisDatabaseHadBetterNotExist");
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+  ok(true, "after deleting a non-existent database, open should work");
+
+  finishTest();
+}