1 files changed, 136 insertions, 0 deletions
diff --git a/dom/indexedDB/test/unit/test_transaction_error.js b/dom/indexedDB/test/unit/test_transaction_error.js
new file mode 100644
index 000000000..14217eba8
--- /dev/null
+++ b/dom/indexedDB/test/unit/test_transaction_error.js
@@ -0,0 +1,136 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+var testGenerator = testSteps();
+
+function testSteps() {
+  const dbName = this.window ?
+                 window.location.pathname :
+                 "test_transaction_error";
+  const dbVersion = 1;
+  const objectStoreName = "foo";
+  const data = { };
+  const dataKey = 1;
+  const expectedError = "ConstraintError";
+
+  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);
+  objectStore.add(data, dataKey);
+
+  request.onupgradeneeded = unexpectedSuccessHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+
+  db = event.target.result;
+
+  try {
+    db.transaction(objectStoreName, "versionchange");
+    ok(false, "TypeError shall be thrown if transaction mode is wrong.");
+  } catch (e) {
+    ok(e instanceof DOMException, "got a database exception");
+    is(e.name, "TypeError", "correct error");
+  }
+
+  let transaction = db.transaction(objectStoreName, "readwrite");
+  transaction.onerror = grabEventAndContinueHandler;
+  transaction.oncomplete = grabEventAndContinueHandler;
+
+  objectStore = transaction.objectStore(objectStoreName);
+
+  info("Adding duplicate entry with preventDefault()");
+
+  request = objectStore.add(data, dataKey);
+  request.onsuccess = unexpectedSuccessHandler;
+  request.onerror = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  is(event.type, "error", "Got an error event");
+  is(event.target, request, "Error event targeted request");
+  is(event.currentTarget, request, "Got request error first");
+  is(event.currentTarget.error.name, expectedError,
+     "Request has correct error");
+  event.preventDefault();
+
+  event = yield undefined;
+
+  is(event.type, "error", "Got an error event");
+  is(event.target, request, "Error event targeted request");
+  is(event.currentTarget, transaction, "Got transaction error second");
+  is(event.currentTarget.error, null, "Transaction has null error");
+
+  event = yield undefined;
+
+  is(event.type, "complete", "Got a complete event");
+  is(event.target, transaction, "Complete event targeted transaction");
+  is(event.currentTarget, transaction,
+     "Complete event only targeted transaction");
+  is(event.currentTarget.error, null, "Transaction has null error");
+
+  // Try again without preventDefault().
+
+  transaction = db.transaction(objectStoreName, "readwrite");
+  transaction.onerror = grabEventAndContinueHandler;
+  transaction.onabort = grabEventAndContinueHandler;
+
+  objectStore = transaction.objectStore(objectStoreName);
+
+  info("Adding duplicate entry without preventDefault()");
+
+  if ("SimpleTest" in this) {
+    SimpleTest.expectUncaughtException();
+  } else if ("DedicatedWorkerGlobalScope" in self &&
+             self instanceof DedicatedWorkerGlobalScope) {
+    let oldErrorFunction = self.onerror;
+    self.onerror = function(message, file, line) {
+      self.onerror = oldErrorFunction;
+      oldErrorFunction = null;
+
+      is(message,
+        "ConstraintError",
+        "Got expected ConstraintError on DedicatedWorkerGlobalScope");
+      return true;
+    };
+  }
+
+  request = objectStore.add(data, dataKey);
+  request.onsuccess = unexpectedSuccessHandler;
+  request.onerror = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  is(event.type, "error", "Got an error event");
+  is(event.target, request, "Error event targeted request");
+  is(event.currentTarget, request, "Got request error first");
+  is(event.currentTarget.error.name, expectedError,
+     "Request has correct error");
+
+  event = yield undefined;
+
+  is(event.type, "error", "Got an error event");
+  is(event.target, request, "Error event targeted request");
+  is(event.currentTarget, transaction, "Got transaction error second");
+  is(event.currentTarget.error, null, "Transaction has null error");
+
+  event = yield undefined;
+
+  is(event.type, "abort", "Got an abort event");
+  is(event.target, transaction, "Abort event targeted transaction");
+  is(event.currentTarget, transaction,
+     "Abort event only targeted transaction");
+  is(event.currentTarget.error.name, expectedError,
+     "Transaction has correct error");
+
+  finishTest();
+  yield undefined;
+}