1 files changed, 29 insertions, 0 deletions
diff --git a/browser/components/migration/tests/unit/test_MigrationUtils_timedRetry.js b/browser/components/migration/tests/unit/test_MigrationUtils_timedRetry.js
new file mode 100644
index 0000000000..12ca5a7b1d
--- /dev/null
+++ b/browser/components/migration/tests/unit/test_MigrationUtils_timedRetry.js
@@ -0,0 +1,29 @@
+"use strict";
+
+let tmpFile = FileUtils.getDir("TmpD", [], true);
+let dbConn;
+
+add_task(async function setup() {
+  tmpFile.append("TestDB");
+  dbConn = await Sqlite.openConnection({ path: tmpFile.path });
+
+  registerCleanupFunction(async () => {
+    await dbConn.close();
+    await IOUtils.remove(tmpFile.path);
+  });
+});
+
+add_task(async function testgetRowsFromDBWithoutLocksRetries() {
+  let deferred = PromiseUtils.defer();
+  let promise = MigrationUtils.getRowsFromDBWithoutLocks(
+    tmpFile.path,
+    "Temp DB",
+    "SELECT * FROM moz_temp_table",
+    deferred.promise
+  );
+  await new Promise(resolve => do_timeout(50, resolve));
+  dbConn
+    .execute("CREATE TABLE moz_temp_table (id INTEGER PRIMARY KEY)")
+    .then(deferred.resolve);
+  await promise;
+});