1 files changed, 53 insertions, 0 deletions
diff --git a/Firestore/core/test/firebase/firestore/auth/credentials_provider_test.cc b/Firestore/core/test/firebase/firestore/auth/credentials_provider_test.cc
new file mode 100644
index 0000000..1748422
--- /dev/null
+++ b/Firestore/core/test/firebase/firestore/auth/credentials_provider_test.cc
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2018 Google
+ *
+ * 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.
+ */
+
+#include "Firestore/core/src/firebase/firestore/auth/credentials_provider.h"
+
+#include "gtest/gtest.h"
+
+namespace firebase {
+namespace firestore {
+namespace auth {
+
+#define UNUSED(x) (void)(x)
+
+TEST(CredentialsProvider, Typedef) {
+  TokenListener token_listener = [](const Token& token,
+                                    const absl::string_view error) {
+    UNUSED(token);
+    UNUSED(error);
+  };
+  EXPECT_NE(nullptr, token_listener);
+  EXPECT_TRUE(token_listener);
+
+  token_listener = nullptr;
+  EXPECT_EQ(nullptr, token_listener);
+  EXPECT_FALSE(token_listener);
+
+  UserChangeListener user_change_listener = [](const User& user) {
+    UNUSED(user);
+  };
+  EXPECT_NE(nullptr, user_change_listener);
+  EXPECT_TRUE(user_change_listener);
+
+  user_change_listener = nullptr;
+  EXPECT_EQ(nullptr, user_change_listener);
+  EXPECT_FALSE(user_change_listener);
+}
+
+}  // namespace auth
+}  // namespace firestore
+}  // namespace firebase