diff --git a/services/inputflinger/tests/Android.bp b/services/inputflinger/tests/Android.bp
index e55e121..cf2a96a 100644
--- a/services/inputflinger/tests/Android.bp
+++ b/services/inputflinger/tests/Android.bp
@@ -46,6 +46,7 @@
         "InputDispatcher_test.cpp",
         "InputReader_test.cpp",
         "LatencyTracker_test.cpp",
+        "NotifyArgs_test.cpp",
         "PreferStylusOverTouch_test.cpp",
         "TestInputListener.cpp",
         "UinputDevice.cpp",
diff --git a/services/inputflinger/tests/NotifyArgs_test.cpp b/services/inputflinger/tests/NotifyArgs_test.cpp
new file mode 100644
index 0000000..6715585
--- /dev/null
+++ b/services/inputflinger/tests/NotifyArgs_test.cpp
@@ -0,0 +1,85 @@
+/*
+ * 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.
+ */
+
+#include <NotifyArgs.h>
+#include <utils/Timers.h>
+
+#include <gtest/gtest.h>
+#include "android/input.h"
+#include "input/Input.h"
+#include "input/TouchVideoFrame.h"
+
+namespace android {
+
+// --- NotifyArgsTest ---
+
+/**
+ * Validate basic copy assignment.
+ */
+TEST(NotifyMotionArgsTest, TestCopyAssignmentOperator) {
+    int32_t id = 123;
+    nsecs_t downTime = systemTime();
+    nsecs_t eventTime = downTime++;
+    nsecs_t readTime = downTime++;
+    int32_t deviceId = 7;
+    uint32_t source = AINPUT_SOURCE_TOUCHSCREEN;
+    int32_t displayId = 42;
+    uint32_t policyFlags = POLICY_FLAG_GESTURE;
+    int32_t action = AMOTION_EVENT_ACTION_HOVER_MOVE;
+    int32_t actionButton = AMOTION_EVENT_BUTTON_PRIMARY;
+    int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
+    int32_t metaState = AMETA_SCROLL_LOCK_ON;
+    uint32_t buttonState = AMOTION_EVENT_BUTTON_PRIMARY | AMOTION_EVENT_BUTTON_SECONDARY;
+    MotionClassification classification = MotionClassification::DEEP_PRESS;
+    int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
+    uint32_t pointerCount = 2;
+    PointerProperties pointerProperties[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
+    float x = 0;
+    float y = 10;
+
+    for (size_t i = 0; i < pointerCount; i++) {
+        pointerProperties[i].clear();
+        pointerProperties[i].id = i;
+        pointerProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+
+        pointerCoords[i].clear();
+        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, x++);
+        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, y++);
+    }
+
+    float xPrecision = 1.2f;
+    float yPrecision = 3.4f;
+    float xCursorPosition = 5.6f;
+    float yCursorPosition = 7.8f;
+
+    std::vector<int16_t> videoData = {1, 2, 3, 4};
+    timeval timestamp = {5, 6};
+    TouchVideoFrame frame(2, 2, std::move(videoData), timestamp);
+    std::vector<TouchVideoFrame> videoFrames = {frame};
+    const NotifyMotionArgs args(id, eventTime, readTime, deviceId, source, displayId, policyFlags,
+                                action, actionButton, flags, metaState, buttonState, classification,
+                                edgeFlags, pointerCount, pointerProperties, pointerCoords,
+                                xPrecision, yPrecision, xCursorPosition, yCursorPosition, downTime,
+                                videoFrames);
+
+    NotifyMotionArgs otherArgs{};
+    otherArgs = args;
+
+    EXPECT_EQ(args, otherArgs);
+}
+
+} // namespace android
\ No newline at end of file