1 files changed, 47 insertions, 0 deletions
diff --git a/extensions/permissions/test/unit/test_permmanager_removeall.js b/extensions/permissions/test/unit/test_permmanager_removeall.js
new file mode 100644
index 0000000000..e6faea1369
--- /dev/null
+++ b/extensions/permissions/test/unit/test_permmanager_removeall.js
@@ -0,0 +1,47 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+add_task(async function test() {
+  Services.prefs.setCharPref("permissions.manager.defaultsUrl", "");
+  // setup a profile directory
+  var dir = do_get_profile();
+
+  // We need to execute a pm method to be sure that the DB is fully
+  // initialized.
+  var pm = Services.perms;
+  Assert.ok(pm.all.length === 0);
+
+  Services.obs.notifyObservers(null, "testonly-reload-permissions-from-disk");
+
+  // Let's force the completion of the DB reading.
+  Assert.ok(pm.all.length === 0);
+
+  // get the db file
+  var file = dir.clone();
+  file.append("permissions.sqlite");
+
+  Assert.ok(file.exists());
+
+  // corrupt the file
+  var ostream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(
+    Ci.nsIFileOutputStream
+  );
+  ostream.init(file, 0x02, 0o666, 0);
+  var conv = Cc["@mozilla.org/intl/converter-output-stream;1"].createInstance(
+    Ci.nsIConverterOutputStream
+  );
+  conv.init(ostream, "UTF-8");
+  for (var i = 0; i < file.fileSize; ++i) {
+    conv.writeString("a");
+  }
+  conv.close();
+
+  // prepare an empty hostperm.1 file so that it can be used for importing
+  var hostperm = dir.clone();
+  hostperm.append("hostperm.1");
+  ostream.init(hostperm, 0x02 | 0x08, 0o666, 0);
+  ostream.close();
+
+  // remove all should not throw
+  pm.removeAll();
+});