1 files changed, 23 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_bug478086.js b/xpcom/tests/unit/test_bug478086.js
new file mode 100644
index 0000000000..6debb58fbc
--- /dev/null
+++ b/xpcom/tests/unit/test_bug478086.js
@@ -0,0 +1,23 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/  */
+
+function run_test() {
+  var nsIFile = Ci.nsIFile;
+  var root = Cc["@mozilla.org/file/local;1"].createInstance(nsIFile);
+
+  // copied from http://mxr.mozilla.org/mozilla-central/source/image/test/unit/test_imgtools.js#135
+  // nsIXULRuntime.OS doesn't seem to be available in xpcshell, so we'll use
+  // this as a kludgy way to figure out if we're running on Windows.
+  if (mozinfo.os == "win") {
+    root.initWithPath("\\\\.");
+  } else {
+    return; // XXX disabled, since this causes intermittent failures on Mac (bug 481369).
+    // root.initWithPath("/");
+  }
+  var drives = root.directoryEntries;
+  Assert.ok(drives.hasMoreElements());
+  while (drives.hasMoreElements()) {
+    var newPath = drives.nextFile.path;
+    Assert.equal(newPath.indexOf("\0"), -1);
+  }
+}