1 files changed, 36 insertions, 0 deletions
diff --git a/toolkit/components/osfile/tests/xpcshell/test_creationDate.js b/toolkit/components/osfile/tests/xpcshell/test_creationDate.js
new file mode 100644
index 0000000000..71beac2430
--- /dev/null
+++ b/toolkit/components/osfile/tests/xpcshell/test_creationDate.js
@@ -0,0 +1,36 @@
+"use strict";
+
+function run_test() {
+  do_test_pending();
+  run_next_test();
+}
+
+/**
+ * Test to ensure that deprecation warning is issued on use
+ * of creationDate.
+ */
+add_task(async function test_deprecatedCreationDate() {
+  let currentDir = await OS.File.getCurrentDirectory();
+  let path = OS.Path.join(currentDir, "test_creationDate.js");
+
+  let consoleMessagePromise = new Promise(resolve => {
+    let consoleListener = {
+      observe(aMessage) {
+        if (
+          aMessage.message.indexOf("Field 'creationDate' is deprecated.") > -1
+        ) {
+          info("Deprecation message printed");
+          Assert.ok(true);
+          Services.console.unregisterListener(consoleListener);
+          resolve();
+        }
+      },
+    };
+    Services.console.registerListener(consoleListener);
+  });
+
+  (await OS.File.stat(path)).creationDate;
+  await consoleMessagePromise;
+});
+
+add_task(do_test_finished);