1 files changed, 81 insertions, 0 deletions
diff --git a/toolkit/components/osfile/tests/xpcshell/test_path_constants.js b/toolkit/components/osfile/tests/xpcshell/test_path_constants.js
new file mode 100644
index 0000000000..3b24b62761
--- /dev/null
+++ b/toolkit/components/osfile/tests/xpcshell/test_path_constants.js
@@ -0,0 +1,81 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const { AppConstants } = ChromeUtils.importESModule(
+  "resource://gre/modules/AppConstants.sys.mjs"
+);
+const { ctypes } = ChromeUtils.import("resource://gre/modules/ctypes.jsm");
+const { makeFakeAppDir } = ChromeUtils.importESModule(
+  "resource://testing-common/AppData.sys.mjs"
+);
+
+function compare_paths(ospath, key) {
+  let file;
+  try {
+    file = Services.dirsvc.get(key, Ci.nsIFile);
+  } catch (ex) {}
+
+  if (file) {
+    Assert.ok(!!ospath);
+    Assert.equal(ospath, file.path);
+  } else {
+    info(
+      "WARNING: " + key + " is not defined. Test may not be testing anything!"
+    );
+    Assert.ok(!ospath);
+  }
+}
+
+// Test simple paths
+add_task(async function test_simple_paths() {
+  Assert.ok(!!OS.Constants.Path.tmpDir);
+  compare_paths(OS.Constants.Path.tmpDir, "TmpD");
+});
+
+// Some path constants aren't set up until the profile is available. This
+// test verifies that behavior.
+add_task(async function test_before_after_profile() {
+  // On Android the profile is initialized during xpcshell init, so this test
+  // will fail.
+  if (AppConstants.platform != "android") {
+    Assert.equal(null, OS.Constants.Path.profileDir);
+    Assert.equal(null, OS.Constants.Path.localProfileDir);
+    Assert.equal(null, OS.Constants.Path.userApplicationDataDir);
+  }
+
+  do_get_profile();
+  Assert.ok(!!OS.Constants.Path.profileDir);
+  Assert.ok(!!OS.Constants.Path.localProfileDir);
+
+  // UAppData is still null because the xpcshell profile doesn't set it up.
+  // This test is mostly here to fail in case behavior of do_get_profile() ever
+  // changes. We want to know if our assumptions no longer hold!
+  Assert.equal(null, OS.Constants.Path.userApplicationDataDir);
+
+  await makeFakeAppDir();
+  Assert.ok(!!OS.Constants.Path.userApplicationDataDir);
+
+  // FUTURE: verify AppData too (bug 964291).
+});
+
+// Test presence of paths that only exist on Desktop platforms
+add_task(async function test_desktop_paths() {
+  if (OS.Constants.Sys.Name == "Android") {
+    return;
+  }
+  Assert.ok(!!OS.Constants.Path.homeDir);
+
+  compare_paths(OS.Constants.Path.homeDir, "Home");
+  compare_paths(OS.Constants.Path.userApplicationDataDir, "UAppData");
+
+  compare_paths(OS.Constants.Path.macUserLibDir, "ULibDir");
+});
+
+// Open libxul
+add_task(async function test_libxul() {
+  ctypes.open(OS.Constants.Path.libxul);
+  info("Linked to libxul");
+});