diff --git a/test/aprsme_web/live/map_live/integration_test.exs b/test/aprsme_web/live/map_live/integration_test.exs
index 1375514..e7c5012 100644
--- a/test/aprsme_web/live/map_live/integration_test.exs
+++ b/test/aprsme_web/live/map_live/integration_test.exs
@@ -756,6 +756,38 @@ defmodule AprsmeWeb.MapLive.IntegrationTest do
       assert render_hook(view, "clear_and_reload_markers", %{})
     end
 
+    test "set_location with string lat/lng exercises to_float(binary) parse paths", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+
+      # Valid binary coords — to_float(binary) → {f, _} → f.
+      assert render_hook(view, "set_location", %{"lat" => "33.5", "lng" => "-96.5"})
+
+      # Unparseable binaries — to_float(binary) → :error → nil.
+      assert render_hook(view, "set_location", %{"lat" => "not-a-number", "lng" => "also-bad"})
+
+      # Non-binary, non-numeric — to_float(_) → nil fallback.
+      assert render_hook(view, "set_location", %{"lat" => %{"junk" => "shape"}, "lng" => :weird})
+    end
+
+    test "back-to-back bounds_changed exercises schedule_bounds_update timer-cancel branch", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/?lat=33.0&lng=-96.0&z=10", on_error: :warn)
+      render_hook(view, "map_ready", %{})
+
+      # First bounds_changed schedules a timer.
+      render_hook(view, "bounds_changed", %{
+        "bounds" => %{"north" => 34.0, "south" => 32.0, "east" => -95.0, "west" => -97.0}
+      })
+
+      # Second bounds_changed should hit the existing-timer Process.cancel_timer
+      # branch (lines 1968+).
+      render_hook(view, "bounds_changed", %{
+        "bounds" => %{"north" => 35.0, "south" => 31.0, "east" => -94.0, "west" => -98.0}
+      })
+
+      Process.sleep(50)
+      assert render(view) =~ "aprs-map"
+    end
+
     test ":initialize_replay reschedules itself when map_bounds is nil", %{conn: conn} do
       {:ok, view, _html} = live(conn, "/", on_error: :warn)
       render_hook(view, "map_ready", %{})