1 files changed, 110 insertions, 0 deletions
diff --git a/browser/base/content/test/about/browser_aboutHome_search_composing.js b/browser/base/content/test/about/browser_aboutHome_search_composing.js
new file mode 100644
index 0000000000..309f1f674a
--- /dev/null
+++ b/browser/base/content/test/about/browser_aboutHome_search_composing.js
@@ -0,0 +1,110 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+ignoreAllUncaughtExceptions();
+
+add_task(async function () {
+  info("Clicking suggestion list while composing");
+
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      [
+        "browser.newtabpage.activity-stream.improvesearch.handoffToAwesomebar",
+        false,
+      ],
+    ],
+  });
+
+  await BrowserTestUtils.withNewTab(
+    { gBrowser, url: "about:home" },
+    async function (browser) {
+      // Add a test engine that provides suggestions and switch to it.
+      let engine;
+      await promiseContentSearchChange(browser, async () => {
+        engine = await SearchTestUtils.promiseNewSearchEngine({
+          url: getRootDirectory(gTestPath) + "searchSuggestionEngine.xml",
+          setAsDefault: true,
+        });
+        return engine.name;
+      });
+
+      // Clear any search history results
+      await FormHistory.update({ op: "remove" });
+
+      await SpecialPowers.spawn(browser, [], async function () {
+        // Start composition and type "x"
+        let input = content.document.querySelector([
+          "#searchText",
+          "#newtab-search-text",
+        ]);
+        input.focus();
+      });
+
+      info("Setting up the mutation observer before synthesizing composition");
+      let mutationPromise = SpecialPowers.spawn(browser, [], async function () {
+        let searchController = content.wrappedJSObject.gContentSearchController;
+
+        // Wait for the search suggestions to become visible.
+        let table = searchController._suggestionsList;
+        let input = content.document.querySelector([
+          "#searchText",
+          "#newtab-search-text",
+        ]);
+
+        await ContentTaskUtils.waitForMutationCondition(
+          input,
+          { attributeFilter: ["aria-expanded"] },
+          () => input.getAttribute("aria-expanded") == "true"
+        );
+        ok(!table.hidden, "Search suggestion table unhidden");
+
+        let row = table.children[1];
+        row.setAttribute("id", "TEMPID");
+
+        // ContentSearchUIController looks at the current selectedIndex when
+        // performing a search. Synthesizing the mouse event on the suggestion
+        // doesn't actually mouseover the suggestion and trigger it to be flagged
+        // as selected, so we manually select it first.
+        searchController.selectedIndex = 1;
+      });
+
+      // FYI: "compositionstart" will be dispatched automatically.
+      await BrowserTestUtils.synthesizeCompositionChange(
+        {
+          composition: {
+            string: "x",
+            clauses: [
+              { length: 1, attr: Ci.nsITextInputProcessor.ATTR_RAW_CLAUSE },
+            ],
+          },
+          caret: { start: 1, length: 0 },
+        },
+        browser
+      );
+
+      info("Waiting for search suggestion table unhidden");
+      await mutationPromise;
+
+      // Click the second suggestion.
+      let expectedURL = (await Services.search.getDefault()).getSubmission(
+        "xbar",
+        null,
+        "homepage"
+      ).uri.spec;
+      let loadPromise = BrowserTestUtils.waitForDocLoadAndStopIt(
+        expectedURL,
+        gBrowser.selectedBrowser
+      );
+      await BrowserTestUtils.synthesizeMouseAtCenter(
+        "#TEMPID",
+        {
+          button: 0,
+        },
+        browser
+      );
+      await loadPromise;
+    }
+  );
+  await SpecialPowers.popPrefEnv();
+});