1 files changed, 58 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/mochitest/test_chrome_native_messaging_paths.html b/toolkit/components/extensions/test/mochitest/test_chrome_native_messaging_paths.html
new file mode 100644
index 0000000000..c29b6286d9
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+++ b/toolkit/components/extensions/test/mochitest/test_chrome_native_messaging_paths.html
@@ -0,0 +1,58 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>WebExtension test</title>
+  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="chrome://mochikit/content/tests/SimpleTest/ExtensionTestUtils.js"></script>
+  <script type="text/javascript" src="head.js"></script>
+  <link rel="stylesheet" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
+</head>
+<body>
+
+<script type="text/javascript">
+"use strict";
+
+// Test that the default paths searched for native host manifests
+// are the ones we expect.
+add_task(async function test_default_paths() {
+  let expectUser, expectGlobal;
+  switch (AppConstants.platform) {
+    case "macosx": {
+      expectUser = PathUtils.joinRelative(
+        Services.dirsvc.get("Home", Ci.nsIFile).path,
+        "Library/Application Support/Mozilla"
+      );
+      expectGlobal = "/Library/Application Support/Mozilla";
+
+      break;
+    }
+
+    case "linux": {
+      expectUser = PathUtils.join(
+        Services.dirsvc.get("Home", Ci.nsIFile).path,
+        ".mozilla"
+      );
+
+      const libdir = AppConstants.HAVE_USR_LIB64_DIR ? "lib64" : "lib";
+      expectGlobal = PathUtils.join("/usr", libdir, "mozilla");
+      break;
+    }
+
+    default:
+      // Fixed filesystem paths are only defined for MacOS and Linux,
+      // there's nothing to test on other platforms.
+      ok(false, `This test does not apply on ${AppConstants.platform}`);
+      break;
+  }
+
+  let userDir = Services.dirsvc.get("XREUserNativeManifests", Ci.nsIFile).path;
+  is(userDir, expectUser, "user-specific native messaging directory is correct");
+
+  let globalDir = Services.dirsvc.get("XRESysNativeManifests", Ci.nsIFile).path;
+  is(globalDir, expectGlobal, "system-wide native messaing directory is correct");
+});
+
+</script>
+
+</body>
+</html>