1 files changed, 21 insertions, 0 deletions
diff --git a/xpcom/tests/unit/head_xpcom.js b/xpcom/tests/unit/head_xpcom.js
new file mode 100644
index 0000000000..e2ae79cb12
--- /dev/null
+++ b/xpcom/tests/unit/head_xpcom.js
@@ -0,0 +1,21 @@
+let CC = Components.Constructor;
+
+function get_test_program(prog) {
+  var progPath = do_get_cwd();
+  progPath.append(prog);
+  progPath.leafName = progPath.leafName + mozinfo.bin_suffix;
+  return progPath;
+}
+
+function set_process_running_environment() {
+  // Importing Services here messes up appInfo for some of the tests.
+  // eslint-disable-next-line mozilla/use-services
+  var dirSvc = Cc["@mozilla.org/file/directory_service;1"].getService(
+    Ci.nsIProperties
+  );
+  var greBinDir = dirSvc.get("GreBinD", Ci.nsIFile);
+  Services.env.set("DYLD_LIBRARY_PATH", greBinDir.path);
+  // For Linux
+  Services.env.set("LD_LIBRARY_PATH", greBinDir.path);
+  // XXX: handle windows
+}