1 files changed, 19 insertions, 0 deletions
diff --git a/toolkit/components/cleardata/tests/unit/test_basic.js b/toolkit/components/cleardata/tests/unit/test_basic.js
new file mode 100644
index 0000000000..3634483ee4
--- /dev/null
+++ b/toolkit/components/cleardata/tests/unit/test_basic.js
@@ -0,0 +1,19 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Basic test for nsIClearDataService module.
+ */
+
+"use strict";
+
+add_task(async function test_basic() {
+  Assert.ok(!!Services.clearData);
+
+  await new Promise(aResolve => {
+    Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, value => {
+      Assert.equal(value, 0);
+      aResolve();
+    });
+  });
+});