1 files changed, 63 insertions, 0 deletions
diff --git a/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_devtoolstoolbox_navigate_back_forward.js b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_devtoolstoolbox_navigate_back_forward.js
new file mode 100644
index 0000000000..79428ae8da
--- /dev/null
+++ b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_devtoolstoolbox_navigate_back_forward.js
@@ -0,0 +1,63 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const ORIGINAL_URL = "https://example.com/document-builder.sjs?html=page1";
+const OTHER_URL = "https://example.org/document-builder.sjs?html=page2";
+
+async function waitForUrl(url, toolbox, browserTab, win) {
+  const { onDomCompleteResource } =
+    await waitForNextTopLevelDomCompleteResource(toolbox.commands);
+
+  return Promise.all([
+    waitUntil(
+      () =>
+        toolbox.target.url === url &&
+        browserTab.linkedBrowser.currentURI.spec === url
+    ),
+    onDomCompleteResource,
+    toolbox.commands.client.waitForRequestsToSettle(),
+    waitForAboutDebuggingRequests(win.AboutDebugging.store),
+  ]);
+}
+
+// Test that ensures the remote page can go forward and back via UI buttons
+add_task(async function () {
+  const browserTab = await addTab(ORIGINAL_URL);
+
+  const { document, tab, window } = await openAboutDebugging();
+
+  // go to This Firefox and inspect the new tab
+  info("Inspecting a new tab in This Firefox");
+  await selectThisFirefoxPage(document, window.AboutDebugging.store);
+  const devToolsToolbox = await openAboutDevtoolsToolbox(
+    document,
+    tab,
+    window,
+    ORIGINAL_URL
+  );
+  const { devtoolsDocument, devtoolsWindow } = devToolsToolbox;
+  const toolbox = getToolbox(devtoolsWindow);
+
+  info("Navigating to another URL");
+  let onTargetSwitched = toolbox.commands.targetCommand.once("switched-target");
+  const urlInput = devtoolsDocument.querySelector(".devtools-textinput");
+  await synthesizeUrlKeyInput(devToolsToolbox, urlInput, OTHER_URL);
+  await waitForUrl(OTHER_URL, toolbox, browserTab, window);
+  await onTargetSwitched;
+
+  info("Clicking back button");
+  onTargetSwitched = toolbox.commands.targetCommand.once("switched-target");
+  devtoolsDocument.querySelector(".qa-back-button").click();
+  await waitForUrl(ORIGINAL_URL, toolbox, browserTab, window);
+  await onTargetSwitched;
+
+  info("Clicking the forward button");
+  onTargetSwitched = toolbox.commands.targetCommand.once("switched-target");
+  devtoolsDocument.querySelector(".qa-forward-button").click();
+  await waitForUrl(OTHER_URL, toolbox, browserTab, window);
+  await onTargetSwitched;
+
+  ok(true, "Clicking back and forward works!");
+});