summaryrefslogtreecommitdiffstats
path: root/dom/indexedDB/test/unit/test_blocked_order.js
diff options
context:
space:
mode:
Diffstat (limited to 'dom/indexedDB/test/unit/test_blocked_order.js')
-rw-r--r--dom/indexedDB/test/unit/test_blocked_order.js177
1 files changed, 177 insertions, 0 deletions
diff --git a/dom/indexedDB/test/unit/test_blocked_order.js b/dom/indexedDB/test/unit/test_blocked_order.js
new file mode 100644
index 0000000000..212b1b3254
--- /dev/null
+++ b/dom/indexedDB/test/unit/test_blocked_order.js
@@ -0,0 +1,177 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/* exported testGenerator */
+var testGenerator = testSteps();
+
+function* testSteps() {
+ const databaseName = "window" in this ? window.location.pathname : "Test";
+ const databaseCount = 10;
+
+ // Test 1: Make sure basic versionchange events work and that they don't
+ // trigger blocked events.
+ info("Opening " + databaseCount + " databases with version 1");
+
+ let databases = [];
+
+ for (let i = 0; i < databaseCount; i++) {
+ let thisIndex = i;
+
+ info("Opening database " + thisIndex);
+
+ let request = indexedDB.open(databaseName, 1);
+ request.onerror = errorHandler;
+ request.onblocked = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ let event = yield undefined;
+
+ is(event.type, "success", "Got success event");
+
+ let db = request.result;
+ is(db.version, 1, "Got version 1");
+
+ db.onversionchange = function (event) {
+ info("Closing database " + thisIndex);
+ db.close();
+
+ databases.splice(databases.indexOf(db), 1);
+ };
+
+ databases.push(db);
+ }
+
+ is(databases.length, databaseCount, "Created all databases with version 1");
+
+ info("Opening database with version 2");
+
+ let request = indexedDB.open(databaseName, 2);
+ request.onerror = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ request.onblocked = function (event) {
+ ok(false, "Should not receive a blocked event");
+ };
+
+ let event = yield undefined;
+
+ is(event.type, "success", "Got success event");
+ is(databases.length, 0, "All databases with version 1 were closed");
+
+ let db = request.result;
+ is(db.version, 2, "Got version 2");
+
+ info("Deleting database with version 2");
+ db.close();
+
+ request = indexedDB.deleteDatabase(databaseName);
+ request.onerror = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ event = yield undefined;
+
+ is(event.type, "success", "Got success event");
+
+ // Test 2: Make sure blocked events aren't delivered until all versionchange
+ // events have been delivered.
+ info("Opening " + databaseCount + " databases with version 1");
+
+ for (let i = 0; i < databaseCount; i++) {
+ let thisIndex = i;
+
+ info("Opening database " + thisIndex);
+
+ let request = indexedDB.open(databaseName, 1);
+ request.onerror = errorHandler;
+ request.onblocked = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ let event = yield undefined;
+
+ is(event.type, "success", "Got success event");
+
+ let db = request.result;
+ is(db.version, 1, "Got version 1");
+
+ db.onversionchange = function (event) {
+ if (thisIndex == databaseCount - 1) {
+ info("Closing all databases with version 1");
+
+ for (let j = 0; j < databases.length; j++) {
+ databases[j].close();
+ }
+
+ databases = [];
+ info("Done closing all databases with version 1");
+ } else {
+ info("Not closing database " + thisIndex);
+ }
+ };
+
+ databases.push(db);
+ }
+
+ is(databases.length, databaseCount, "Created all databases with version 1");
+
+ info("Opening database with version 2");
+
+ request = indexedDB.open(databaseName, 2);
+ request.onerror = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ request.onblocked = function (event) {
+ ok(false, "Should not receive a blocked event");
+ };
+
+ event = yield undefined;
+
+ is(event.type, "success", "Got success event");
+ is(databases.length, 0, "All databases with version 1 were closed");
+
+ db = request.result;
+ is(db.version, 2, "Got version 2");
+
+ info("Deleting database with version 2");
+ db.close();
+
+ request = indexedDB.deleteDatabase(databaseName);
+ request.onerror = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ event = yield undefined;
+
+ is(event.type, "success", "Got success event");
+
+ // Test 3: A blocked database left in that state should not hang shutdown.
+ info("Opening 1 database with version 1");
+
+ request = indexedDB.open(databaseName, 1);
+ request.onerror = errorHandler;
+ request.onblocked = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ event = yield undefined;
+
+ is(event.type, "success", "Got success event");
+
+ db = request.result;
+ is(db.version, 1, "Got version 1");
+
+ info("Opening database with version 2");
+
+ request = indexedDB.open(databaseName, 2);
+ request.onerror = function (e) {
+ e.preventDefault();
+ };
+ request.onsuccess = errorHandler;
+
+ request.onblocked = grabEventAndContinueHandler;
+
+ event = yield undefined;
+ ok(true, "Got blocked");
+ // Just allow this to remain blocked ...
+
+ finishTest();
+}