1 files changed, 171 insertions, 0 deletions
diff --git a/dom/indexedDB/test/unit/test_setVersion_events.js b/dom/indexedDB/test/unit/test_setVersion_events.js
new file mode 100644
index 0000000000..7f1362df9b
--- /dev/null
+++ b/dom/indexedDB/test/unit/test_setVersion_events.js
@@ -0,0 +1,171 @@
+/**
+ * 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";
+
+  // Open a datbase for the first time.
+  let request = indexedDB.open(name, 1);
+
+  // Sanity checks
+  ok(request instanceof IDBRequest, "Request should be an IDBRequest");
+  ok(
+    request instanceof IDBOpenDBRequest,
+    "Request should be an IDBOpenDBRequest"
+  );
+  ok(request instanceof EventTarget, "Request should be an EventTarget");
+  is(request.source, null, "Request should have no source");
+  try {
+    request.result;
+    ok(false, "Getter should have thrown!");
+  } catch (e) {
+    if (e.result == 0x8053000b /* NS_ERROR_DOM_INVALID_STATE_ERR */) {
+      ok(true, "Getter threw the right exception");
+    } else {
+      throw e;
+    }
+  }
+
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+  let event = yield undefined;
+
+  let versionChangeEventCount = 0;
+  let db1, db2, db3;
+
+  db1 = event.target.result;
+  db1.addEventListener("versionchange", function(event) {
+    ok(true, "Got version change event");
+    ok(event instanceof IDBVersionChangeEvent, "Event is of the right type");
+    is("source" in event.target, false, "Correct source");
+    is(event.target, db1, "Correct target");
+    is(event.target.version, 1, "Correct db version");
+    is(event.oldVersion, 1, "Correct event oldVersion");
+    is(event.newVersion, 2, "Correct event newVersion");
+    is(versionChangeEventCount++, 0, "Correct count");
+    db1.close();
+  });
+
+  // Open the database again and trigger an upgrade that should succeed
+  request = indexedDB.open(name, 2);
+  request.onerror = errorHandler;
+  request.onsuccess = errorHandler;
+  request.onupgradeneeded = grabEventAndContinueHandler;
+  request.onblocked = errorHandler;
+
+  event = yield undefined;
+
+  // Test the upgradeneeded event.
+  ok(event instanceof IDBVersionChangeEvent, "Event is of the right type");
+  ok(event.target.result instanceof IDBDatabase, "Good result");
+  db2 = event.target.result;
+  is(event.target.transaction.mode, "versionchange", "Correct mode");
+  is(db2.version, 2, "Correct db version");
+  is(event.oldVersion, 1, "Correct event oldVersion");
+  is(event.newVersion, 2, "Correct event newVersion");
+
+  request.onupgradeneeded = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  db2.addEventListener("versionchange", function(event) {
+    ok(true, "Got version change event");
+    ok(event instanceof IDBVersionChangeEvent, "Event is of the right type");
+    is("source" in event.target, false, "Correct source");
+    is(event.target, db2, "Correct target");
+    is(event.target.version, 2, "Correct db version");
+    is(event.oldVersion, 2, "Correct event oldVersion");
+    is(event.newVersion, 3, "Correct event newVersion");
+    is(versionChangeEventCount++, 1, "Correct count");
+  });
+
+  // Test opening the existing version again
+  request = indexedDB.open(name, 2);
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+  request.onblocked = errorHandler;
+
+  event = yield undefined;
+
+  db3 = event.target.result;
+
+  // Test an upgrade that should fail
+  request = indexedDB.open(name, 3);
+  request.onerror = errorHandler;
+  request.onsuccess = errorHandler;
+  request.onupgradeneeded = errorHandler;
+  request.onblocked = grabEventAndContinueHandler;
+
+  event = yield undefined;
+  ok(true, "Got version change blocked event");
+  ok(event instanceof IDBVersionChangeEvent, "Event is of the right type");
+  is(event.target.source, null, "Correct source");
+  is(event.target.transaction, null, "Correct transaction");
+  is(event.target, request, "Correct target");
+  is(db3.version, 2, "Correct db version");
+  is(event.oldVersion, 2, "Correct event oldVersion");
+  is(event.newVersion, 3, "Correct event newVersion");
+  versionChangeEventCount++;
+  db2.close();
+  db3.close();
+
+  request.onupgradeneeded = grabEventAndContinueHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+  event = yield undefined;
+
+  db3 = event.target.result;
+  db3.close();
+
+  // Test another upgrade that should succeed.
+  request = indexedDB.open(name, 4);
+  request.onerror = errorHandler;
+  request.onsuccess = errorHandler;
+  request.onupgradeneeded = grabEventAndContinueHandler;
+  request.onblocked = errorHandler;
+
+  event = yield undefined;
+
+  ok(event instanceof IDBVersionChangeEvent, "Event is of the right type");
+  ok(event.target.result instanceof IDBDatabase, "Good result");
+  is(event.target.transaction.mode, "versionchange", "Correct mode");
+  is(event.oldVersion, 3, "Correct event oldVersion");
+  is(event.newVersion, 4, "Correct event newVersion");
+
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+  ok(event.target.result instanceof IDBDatabase, "Expect a database here");
+  is(event.target.result.version, 4, "Right version");
+  is(db3.version, 3, "After closing the version should not change!");
+  is(db2.version, 2, "After closing the version should not change!");
+  is(db1.version, 1, "After closing the version should not change!");
+
+  is(versionChangeEventCount, 3, "Saw all expected events");
+
+  event = new IDBVersionChangeEvent("versionchange");
+  ok(event, "Should be able to create an event with just passing in the type");
+  event = new IDBVersionChangeEvent("versionchange", { oldVersion: 1 });
+  ok(event, "Should be able to create an event with just the old version");
+  is(event.oldVersion, 1, "Correct old version");
+  is(event.newVersion, null, "Correct new version");
+  event = new IDBVersionChangeEvent("versionchange", { newVersion: 1 });
+  ok(event, "Should be able to create an event with just the new version");
+  is(event.oldVersion, 0, "Correct old version");
+  is(event.newVersion, 1, "Correct new version");
+  event = new IDBVersionChangeEvent("versionchange", {
+    oldVersion: 1,
+    newVersion: 2,
+  });
+  ok(event, "Should be able to create an event with both versions");
+  is(event.oldVersion, 1, "Correct old version");
+  is(event.newVersion, 2, "Correct new version");
+
+  finishTest();
+}