1 files changed, 23 insertions, 0 deletions
diff --git a/dom/apps/tests/unit/test_manifestHelper.js b/dom/apps/tests/unit/test_manifestHelper.js
new file mode 100644
index 0000000000..092287a7f5
--- /dev/null
+++ b/dom/apps/tests/unit/test_manifestHelper.js
@@ -0,0 +1,23 @@
+// Test that W3C start_url takes precedence over mozApps launch_path
+function run_test() {
+  Components.utils.import("resource:///modules/AppsUtils.jsm");
+
+  let manifest1 = {
+    launch_path: "other.html"
+  };
+
+  let manifest2 = {
+    start_url: "start.html",
+    launch_path: "other.html"
+  };
+
+  var helper = new ManifestHelper(manifest1, "http://foo.com",
+    "http://foo.com/manifest.json");
+  var path = helper.fullLaunchPath();
+  do_check_true(path == "http://foo.com/other.html");
+
+  helper = new ManifestHelper(manifest2, "http://foo.com",
+    "http://foo.com/manifest.json");
+  path = helper.fullLaunchPath();
+  do_check_true(path == "http://foo.com/start.html");
+}