Add m-esr52 at 52.6.0

1 files changed, 115 insertions, 0 deletions

diff --git a/dom/indexedDB/test/unit/test_table_rollback.js b/dom/indexedDB/test/unit/test_table_rollback.js
new file mode 100644
index 0000000000..afe194ad52
--- /dev/null
+++ b/dom/indexedDB/test/unit/test_table_rollback.js
@@ -0,0 +1,115 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+var testGenerator = testSteps();
+
+function testSteps()
+{
+  const dbName = ("window" in this) ? window.location.pathname : "test";
+  const objName1 = "foo";
+  const objName2 = "bar";
+  const data1 = "1234567890";
+  const data2 = "0987654321";
+  const dataCount = 500;
+
+  let request = indexedDB.open(dbName, 1);
+  request.onerror = errorHandler;
+  request.onupgradeneeded = grabEventAndContinueHandler;
+
+  let event = yield undefined;
+
+  is(event.type, "upgradeneeded", "Got upgradeneeded");
+
+  request.onupgradeneeded = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+
+  let db = request.result;
+
+  let objectStore1 = db.createObjectStore(objName1, { autoIncrement: true });
+  let objectStore2 = db.createObjectStore(objName2, { autoIncrement: true });
+
+  info("Created object stores, adding data");
+
+  for (let i = 0; i < dataCount; i++) {
+    objectStore1.add(data1);
+    objectStore2.add(data2);
+  }
+
+  info("Done adding data");
+
+  event = yield undefined;
+
+  is(event.type, "success", "Got success");
+
+  let readResult = null;
+  let readError = null;
+  let writeAborted = false;
+
+  info("Creating readwrite transaction");
+
+  objectStore1 = db.transaction(objName1, "readwrite").objectStore(objName1);
+  objectStore1.openCursor().onsuccess = grabEventAndContinueHandler;
+
+  event = yield undefined;
+
+  let cursor = event.target.result;
+  is(cursor.value, data1, "Got correct data for readwrite transaction");
+
+  info("Modifying object store on readwrite transaction");
+
+  cursor.update(data2);
+  cursor.continue();
+
+  event = yield undefined;
+
+  info("Done modifying object store on readwrite transaction, creating " +
+       "readonly transaction");
+
+  objectStore2 = db.transaction(objName2, "readonly").objectStore(objName2);
+  request = objectStore2.getAll();
+  request.onsuccess = function(event) {
+    readResult = event.target.result;
+    is(readResult.length,
+       dataCount,
+       "Got correct number of results on readonly transaction");
+    for (let i = 0; i < readResult.length; i++) {
+      is(readResult[i], data2, "Got correct data for readonly transaction");
+    }
+    if (writeAborted) {
+      continueToNextStep();
+    }
+  };
+  request.onerror = function(event) {
+    readResult = null;
+    readError = event.target.error;
+
+    ok(false, "Got read error: " + readError.name);
+    event.preventDefault();
+
+    if (writeAborted) {
+      continueToNextStep();
+    }
+  }
+
+  cursor = event.target.result;
+  is(cursor.value, data1, "Got correct data for readwrite transaction");
+
+  info("Aborting readwrite transaction");
+
+  cursor.source.transaction.abort();
+  writeAborted = true;
+
+  if (!readError && !readResult) {
+    info("Waiting for readonly transaction to complete");
+    yield undefined;
+  }
+
+  ok(readResult, "Got result from readonly transaction");
+  is(readError, null, "No read error");
+  is(writeAborted, true, "Aborted readwrite transaction");
+
+  finishTest();
+  yield undefined;
+}