diff --git a/SYCL/OneapiDeviceSelector/case_sensitivity.cpp b/SYCL/OneapiDeviceSelector/case_sensitivity.cpp
new file mode 100644
index 0000000000..f52a78be5b
--- /dev/null
+++ b/SYCL/OneapiDeviceSelector/case_sensitivity.cpp
@@ -0,0 +1,8 @@
+
+// does not actually require OpenCL or GPU. Just testing parsing.
+
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %S/Inputs/trivial.cpp -o %t.out
+// RUN: env ONEAPI_DEVICE_SELECTOR="OPENCL:*" %t.out
+// RUN: env ONEAPI_DEVICE_SELECTOR="opencl:*" %t.out
+// RUN: env ONEAPI_DEVICE_SELECTOR="*:GPU" %t.out
+// RUN: env ONEAPI_DEVICE_SELECTOR="*:gpu" %t.out