1 files changed, 18 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_home.js b/xpcom/tests/unit/test_home.js
new file mode 100644
index 0000000000..e3a4af9796
--- /dev/null
+++ b/xpcom/tests/unit/test_home.js
@@ -0,0 +1,18 @@
+const CWD = do_get_cwd();
+function checkOS(os) {
+  const nsILocalFile_ = "nsILocalFile" + os;
+  return nsILocalFile_ in Ci && CWD instanceof Ci[nsILocalFile_];
+}
+
+const isWin = checkOS("Win");
+
+function run_test() {
+  var envVar = isWin ? "USERPROFILE" : "HOME";
+
+  var homeDir = Services.dirsvc.get("Home", Ci.nsIFile);
+
+  var expected = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
+  expected.initWithPath(Services.env.get(envVar));
+
+  Assert.equal(homeDir.path, expected.path);
+}