diff --git a/graphics/mapper/stable-c/vts/VtsHalGraphicsMapperStableC_TargetTest.cpp b/graphics/mapper/stable-c/vts/VtsHalGraphicsMapperStableC_TargetTest.cpp
index 1e0c427..bdbe4d0 100644
--- a/graphics/mapper/stable-c/vts/VtsHalGraphicsMapperStableC_TargetTest.cpp
+++ b/graphics/mapper/stable-c/vts/VtsHalGraphicsMapperStableC_TargetTest.cpp
@@ -750,6 +750,42 @@
 }
 
 /**
+ * Test IMapper::lock and IMapper::unlock with no CPU usage requested.
+ */
+TEST_P(GraphicsMapperStableCTests, LockUnlockNoCPUUsage) {
+    constexpr auto usage = BufferUsage::CPU_READ_NEVER | BufferUsage::CPU_WRITE_NEVER;
+    auto buffer = allocate({
+            .name = {"VTS_TEMP"},
+            .width = 64,
+            .height = 64,
+            .layerCount = 1,
+            .format = PixelFormat::RGBA_8888,
+            .usage = usage,
+            .reservedSize = 0,
+    });
+    ASSERT_NE(nullptr, buffer.get());
+
+    // lock buffer for writing
+    const auto& info = buffer->info();
+    const ARect region{0, 0, info.width, info.height};
+    auto handle = buffer->import();
+    uint8_t* data = nullptr;
+
+    EXPECT_EQ(AIMAPPER_ERROR_BAD_VALUE,
+              mapper()->v5.lock(*handle, static_cast<int64_t>(info.usage),
+                                region, -1,(void**)&data))
+              << "Locking with 0 access succeeded";
+
+    int releaseFence = -1;
+    EXPECT_EQ(AIMAPPER_ERROR_BAD_BUFFER,
+              mapper()->v5.unlock(*handle, &releaseFence))
+              << "Unlocking not locked buffer succeeded";
+    if (releaseFence != -1) {
+        close(releaseFence);
+    }
+}
+
+/**
  *  Test multiple operations associated with different color formats
  */
 TEST_P(GraphicsMapperStableCTests, Lock_YCRCB_420_SP) {