1 files changed, 62 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_visibleFindSelection.js b/browser/base/content/test/general/browser_visibleFindSelection.js
new file mode 100644
index 0000000000..56099521e2
--- /dev/null
+++ b/browser/base/content/test/general/browser_visibleFindSelection.js
@@ -0,0 +1,62 @@
+add_task(async function () {
+  const childContent =
+    "<div style='position: absolute; left: 2200px; background: green; width: 200px; height: 200px;'>" +
+    "div</div><div  style='position: absolute; left: 0px; background: red; width: 200px; height: 200px;'>" +
+    "<span id='s'>div</span></div>";
+
+  let tab = (gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser));
+
+  await promiseTabLoadEvent(
+    tab,
+    "data:text/html;charset=utf-8," + escape(childContent)
+  );
+  await SimpleTest.promiseFocus(gBrowser.selectedBrowser);
+
+  let remote = gBrowser.selectedBrowser.isRemoteBrowser;
+
+  let findBarOpenPromise = BrowserTestUtils.waitForEvent(
+    gBrowser,
+    "findbaropen"
+  );
+  EventUtils.synthesizeKey("f", { accelKey: true });
+  await findBarOpenPromise;
+
+  ok(gFindBarInitialized, "find bar is now initialized");
+
+  // Finds the div in the green box.
+  let scrollPromise = remote
+    ? BrowserTestUtils.waitForContentEvent(gBrowser.selectedBrowser, "scroll")
+    : BrowserTestUtils.waitForEvent(gBrowser, "scroll");
+  EventUtils.sendString("div");
+  await scrollPromise;
+
+  // Wait for one paint to ensure we've processed the previous key events and scrolling.
+  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function () {
+    return new Promise(resolve => {
+      content.requestAnimationFrame(() => {
+        content.setTimeout(resolve, 0);
+      });
+    });
+  });
+
+  // Finds the div in the red box.
+  scrollPromise = remote
+    ? BrowserTestUtils.waitForContentEvent(gBrowser.selectedBrowser, "scroll")
+    : BrowserTestUtils.waitForEvent(gBrowser, "scroll");
+  EventUtils.synthesizeKey("g", { accelKey: true });
+  await scrollPromise;
+
+  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function () {
+    Assert.ok(
+      content.document.getElementById("s").getBoundingClientRect().left >= 0,
+      "scroll should include find result"
+    );
+  });
+
+  // clear the find bar
+  EventUtils.synthesizeKey("a", { accelKey: true });
+  EventUtils.synthesizeKey("KEY_Delete");
+
+  gFindBar.close();
+  gBrowser.removeCurrentTab();
+});