Add m-esr52 at 52.6.0

1 files changed, 22 insertions, 0 deletions

diff --git a/toolkit/components/crashmonitor/test/unit/test_invalid_file.js b/toolkit/components/crashmonitor/test/unit/test_invalid_file.js
new file mode 100644
index 000000000..cc55a2755
--- /dev/null
+++ b/toolkit/components/crashmonitor/test/unit/test_invalid_file.js
@@ -0,0 +1,22 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ * Test with sessionCheckpoints.json containing invalid data
+ */
+add_task(function* test_invalid_file() {
+  // Write bogus data to checkpoint file
+  let data = "1234";
+  yield OS.File.writeAtomic(sessionCheckpointsPath, data,
+                            {tmpPath: sessionCheckpointsPath + ".tmp"});
+
+  // An invalid file will cause |init| to return null
+  let status = yield CrashMonitor.init();
+  do_check_true(status === null ? true : false);
+
+  // and |previousCheckpoints| will be null
+  let checkpoints = yield CrashMonitor.previousCheckpoints;
+  do_check_true(checkpoints === null ? true : false);
+});