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-rw-r--r--testing/xpcshell/example/unit/test_load.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/testing/xpcshell/example/unit/test_load.js b/testing/xpcshell/example/unit/test_load.js
new file mode 100644
index 0000000000..ecac04e3ac
--- /dev/null
+++ b/testing/xpcshell/example/unit/test_load.js
@@ -0,0 +1,23 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* 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/. */
+
+var subscriptLoaded = false;
+
+function run_test() {
+ load("load_subscript.js");
+ Assert.ok(subscriptLoaded);
+ subscriptLoaded = false;
+ try {
+ load("file_that_does_not_exist.js");
+ subscriptLoaded = true;
+ } catch (ex) {
+ Assert.ok(
+ ex.message.startsWith("can't open "),
+ `Unexpected message: ${ex.message}`
+ );
+ }
+ Assert.ok(!subscriptLoaded, "load() should throw an error");
+}