1 files changed, 41 insertions, 0 deletions
diff --git a/dom/base/test/browser_messagemanager_targetframeloader.js b/dom/base/test/browser_messagemanager_targetframeloader.js
new file mode 100644
index 0000000000..e44c95fda0
--- /dev/null
+++ b/dom/base/test/browser_messagemanager_targetframeloader.js
@@ -0,0 +1,41 @@
+function frameScript() {
+  sendSyncMessage("Test:Message");
+  sendAsyncMessage("Test:Message");
+  sendAsyncMessage("Test:Done");
+}
+
+function test() {
+  waitForExplicitFinish();
+
+  var newTab = BrowserTestUtils.addTab(gBrowser, "about:blank");
+  gBrowser.selectedTab = newTab;
+
+  let browser = newTab.linkedBrowser;
+  let frameLoader = browser.frameLoader;
+  Assert.notStrictEqual(frameLoader, null, "frameLoader looks okay");
+
+  browser.messageManager.loadFrameScript(
+    "data:,(" + frameScript.toString() + ")()",
+    false
+  );
+
+  browser.messageManager.addMessageListener("Test:Message", msg => {
+    Assert.strictEqual(msg.target, browser, "<browser> is correct");
+    Assert.strictEqual(
+      msg.targetFrameLoader,
+      frameLoader,
+      "frameLoader is correct"
+    );
+    Assert.strictEqual(
+      browser.frameLoader,
+      msg.targetFrameLoader,
+      "browser frameloader is correct"
+    );
+  });
+
+  browser.messageManager.addMessageListener("Test:Done", () => {
+    info("Finished");
+    gBrowser.removeCurrentTab();
+    finish();
+  });
+}