1 files changed, 77 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_scripting_contentScripts_file.js b/toolkit/components/extensions/test/xpcshell/test_ext_scripting_contentScripts_file.js
new file mode 100644
index 0000000000..3c806439ce
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_scripting_contentScripts_file.js
@@ -0,0 +1,77 @@
+"use strict";
+
+const FILE_DUMMY_URL = Services.io.newFileURI(
+  do_get_file("data/dummy_page.html")
+).spec;
+
+// ExtensionContent.jsm needs to know when it's running from xpcshell, to use
+// the right timeout for content scripts executed at document_idle.
+ExtensionTestUtils.mockAppInfo();
+
+Services.prefs.setBoolPref("extensions.manifestV3.enabled", true);
+
+const makeExtension = ({ manifest: manifestProps, ...otherProps }) => {
+  return ExtensionTestUtils.loadExtension({
+    manifest: {
+      manifest_version: 3,
+      permissions: ["scripting"],
+      host_permissions: ["<all_urls>"],
+      granted_host_permissions: true,
+      ...manifestProps,
+    },
+    temporarilyInstalled: true,
+    ...otherProps,
+  });
+};
+
+add_task(async function test_registered_content_script_with_files() {
+  let extension = makeExtension({
+    async background() {
+      const MATCHES = [
+        { id: "script-1", matches: ["<all_urls>"] },
+        { id: "script-2", matches: ["file:///*"] },
+        { id: "script-3", matches: ["file://*/*dummy_page.html"] },
+        { id: "fail-if-executed", matches: ["*://*/*"] },
+      ];
+
+      await browser.scripting.registerContentScripts(
+        MATCHES.map(({ id, matches }) => ({
+          id,
+          js: [`${id}.js`],
+          matches,
+          persistAcrossSessions: false,
+        }))
+      );
+
+      browser.test.sendMessage("background-ready");
+    },
+    files: {
+      "script-1.js": () => {
+        browser.test.sendMessage("script-1-ran");
+      },
+      "script-2.js": () => {
+        browser.test.sendMessage("script-2-ran");
+      },
+      "script-3.js": () => {
+        browser.test.sendMessage("script-3-ran");
+      },
+      "fail-if-executed.js": () => {
+        browser.test.fail("this script should not be executed");
+      },
+    },
+  });
+
+  await extension.startup();
+  await extension.awaitMessage("background-ready");
+
+  let contentPage = await ExtensionTestUtils.loadContentPage(FILE_DUMMY_URL);
+
+  await Promise.all([
+    extension.awaitMessage("script-1-ran"),
+    extension.awaitMessage("script-2-ran"),
+    extension.awaitMessage("script-3-ran"),
+  ]);
+
+  await contentPage.close();
+  await extension.unload();
+});