diff --git a/media/utils/tests/Android.bp b/media/utils/tests/Android.bp
index 6593d56..f240dae 100644
--- a/media/utils/tests/Android.bp
+++ b/media/utils/tests/Android.bp
@@ -26,3 +26,30 @@
         "media_synchronization_tests.cpp",
     ],
 }
+
+cc_test {
+    name: "timecheck_tests",
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wextra",
+    ],
+
+    sanitize:{
+       address: true,
+       cfi: true,
+       integer_overflow: true,
+       memtag_heap: true,
+    },
+
+    shared_libs: [
+        "liblog",
+        "libmediautils",
+        "libutils",
+    ],
+
+    srcs: [
+        "timecheck_tests.cpp",
+    ],
+}
diff --git a/media/utils/tests/timecheck_tests.cpp b/media/utils/tests/timecheck_tests.cpp
new file mode 100644
index 0000000..9833dc9
--- /dev/null
+++ b/media/utils/tests/timecheck_tests.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#define LOG_TAG "timecheck_tests"
+
+#include <mediautils/TimeCheck.h>
+
+#include <atomic>
+#include <gtest/gtest.h>
+#include <utils/Log.h>
+
+using namespace android::mediautils;
+
+TEST(timecheck_tests, success) {
+    bool timeoutRegistered = false;
+    float elapsedMsRegistered = 0.f;
+    bool event = false;
+
+    {
+        TimeCheck timeCheck("success",
+                [&event, &timeoutRegistered, &elapsedMsRegistered]
+                        (bool timeout, float elapsedMs) {
+            timeoutRegistered = timeout;
+            elapsedMsRegistered = elapsedMs;
+            event = true;
+        }, 1000 /* msec */, false /* crash */);
+    }
+    ASSERT_TRUE(event);
+    ASSERT_FALSE(timeoutRegistered);
+    ASSERT_GT(elapsedMsRegistered, 0.f);
+}
+
+TEST(timecheck_tests, timeout) {
+    bool timeoutRegistered = false;
+    float elapsedMsRegistered = 0.f;
+    std::atomic_bool event = false;  // seq-cst implies acquire-release
+
+    {
+        TimeCheck timeCheck("timeout",
+                [&event, &timeoutRegistered, &elapsedMsRegistered]
+                        (bool timeout, float elapsedMs) {
+            timeoutRegistered = timeout;
+            elapsedMsRegistered = elapsedMs;
+            event = true; // store-release, must be last.
+        }, 1 /* msec */, false /* crash */);
+        usleep(100 * 1000 /* usec */);  // extra time as callback called by different thread.
+    }
+    ASSERT_TRUE(event); // load-acquire, must be first.
+    ASSERT_TRUE(timeoutRegistered); // only called once on failure, not on dealloc.
+    ASSERT_GT(elapsedMsRegistered, 0.f);
+}
+
+// Note: We do not test TimeCheck crash because TimeCheck is multithreaded and the
+// EXPECT_EXIT() signal catching is imperfect due to the gtest fork.