Added test to verify negative result of clSetKernelArg with CL_INVALID_SAMPLER and sampler argument

test_conformance/api/test_kernels.cpp

@@ -87,6 +87,16 @@ const char *sample_two_kernel_program[] = {
 "\n"
 "}\n" };
 
+const char *sample_sampler_size_test_kernel = R"(
+    __kernel void sampler_size_test(sampler_t sampler, __read_only image2d_t src, __global float4 *dst)
+    {
+        int  tid = get_global_id(0);
+        int2 coord = (int2)(get_global_id(0), get_global_id(1));
+        float4 data = read_imagef(src, sampler, coord);
+        dst[tid] = data;
+    }
+)";
+
 const char *sample_local_size_test_kernel = R"(
     __kernel void local_size_test(__local int *src, __global int *dst)
     {
@@ -726,6 +736,36 @@ REGISTER_TEST(negative_set_immutable_memory_to_writeable_kernel_arg)
     return TEST_PASS;
 }
 
+REGISTER_TEST(negative_invalid_arg_sampler)
+{
+    PASSIVE_REQUIRE_IMAGE_SUPPORT(device)
+
+    cl_int error = CL_SUCCESS;
+    clProgramWrapper program;
+    clKernelWrapper sampler_arg_kernel;
+
+    // Setup the test
+    error =
+        create_single_kernel_helper(context, &program, nullptr, 1,
+                                    &sample_sampler_size_test_kernel, nullptr);
+    test_error(error, "Unable to build test program");
+
+    sampler_arg_kernel = clCreateKernel(program, "sampler_size_test", &error);
+    test_error(error,
+               "Unable to get sampler_size_test kernel for built program");
+
+    // Run the test - CL_INVALID_SAMPLER
+    error = clSetKernelArg(sampler_arg_kernel, 0, sizeof(cl_sampler), nullptr);
+    test_failure_error_ret(
+        error, CL_INVALID_SAMPLER,
+        "clSetKernelArg is supposed to fail with CL_INVALID_SAMPLER when "
+        "argument is declared to be of type sampler_t and the specified "
+        "arg_value is not a valid sampler object",
+        TEST_FAIL);
+
+    return TEST_PASS;
+}
+
 REGISTER_TEST(negative_invalid_kernel)
 {
     cl_int error = CL_SUCCESS;