fix: add in test for the DLL

Author: AustinBenoit

analytics/integration_test/src/integration_test.cc

@@ -27,6 +27,7 @@
 #include "firebase/analytics/user_property_names.h"
 #include "firebase/app.h"
 #include "firebase/util.h"
+#include "analytics/src/analytics_internal.h"
 #include "firebase_test_framework.h"  // NOLINT
 
 // The TO_STRING macro is useful for command line defined strings as the quotes
@@ -353,4 +354,12 @@ TEST_F(FirebaseAnalyticsTest, TestSetConsent) {
   did_test_setconsent_ = true;
 }
 
+TEST_F(FirebaseAnalyticsTest, TestIsAnalyticsDllLoaded) {
+#if defined(_WIN32)
+  EXPECT_TRUE(firebase::analytics::internal::IsAnalyticsDllLoaded());
+#else
+  GTEST_SKIP();
+#endif  // defined(_WIN32)
+}
+
 }  // namespace firebase_testapp_automated

analytics/src/analytics_android.cc

@@ -23,6 +23,7 @@
 
 #include "analytics/src/analytics_common.h"
 #include "analytics/src/include/firebase/analytics.h"
+#include "analytics/src/analytics_internal.h"
 #include "app/src/assert.h"
 #include "app/src/include/firebase/app.h"
 #include "app/src/include/firebase/version.h"
@@ -165,6 +166,8 @@ namespace internal {
 // Determine whether the analytics module is initialized.
 bool IsInitialized() { return g_app != nullptr; }
 
+bool IsAnalyticsDllLoaded() { return false; }
+
 }  // namespace internal
 
 // Clean up the API.

analytics/src/analytics_desktop.cc

@@ -25,6 +25,7 @@
 #include "app/src/include/firebase/future.h"
 #include "app/src/include/firebase/variant.h"
 #include "app/src/log.h"
+#include "analytics/src/analytics_internal.h"
 
 #if defined(_WIN32)
 #include <windows.h>
@@ -41,6 +42,16 @@ namespace analytics {
 static HMODULE g_analytics_module = 0;
 #endif  // defined(_WIN32)
 
+namespace internal {
+bool IsAnalyticsDllLoaded() {
+#if defined(_WIN32)
+  return g_analytics_module != 0;
+#else
+  return false;
+#endif  // defined(_WIN32)
+}
+}  // namespace internal
+
 // Future data for analytics.
 // This is initialized in `Initialize()` and cleaned up in `Terminate()`.
 static bool g_initialized = false;

analytics/src/analytics_internal.h

@@ -0,0 +1,32 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef FIREBASE_ANALYTICS_SRC_ANALYTICS_INTERNAL_H_
+#define FIREBASE_ANALYTICS_SRC_ANALYTICS_INTERNAL_H_
+
+namespace firebase {
+namespace analytics {
+namespace internal {
+
+// Checks if the Analytics DLL is loaded.
+// Returns true if the DLL is loaded and functions are available.
+// Returns false otherwise (e.g. on non-Windows desktop platforms or if loading
+// failed).
+bool IsAnalyticsDllLoaded();
+
+}  // namespace internal
+}  // namespace analytics
+}  // namespace firebase
+
+#endif  // FIREBASE_ANALYTICS_SRC_ANALYTICS_INTERNAL_H_

analytics/src/analytics_ios.mm

@@ -23,6 +23,7 @@
 #include "analytics/src/include/firebase/analytics.h"
 
 #include "analytics/src/analytics_common.h"
+#include "analytics/src/analytics_internal.h"
 #include "app/src/assert.h"
 #include "app/src/include/firebase/internal/mutex.h"
 #include "app/src/include/firebase/version.h"
@@ -133,6 +134,8 @@ void Initialize(const ::firebase::App& app) {
 // Determine whether the analytics module is initialized.
 bool IsInitialized() { return g_initialized; }
 
+bool IsAnalyticsDllLoaded() { return false; }
+
 }  // namespace internal
 
 // Terminate the API.