diff --git a/tests/hlsl/effect-compile.shader_test b/tests/hlsl/effect-compile.shader_test
index f1a19f25..acfab529 100644
--- a/tests/hlsl/effect-compile.shader_test
+++ b/tests/hlsl/effect-compile.shader_test
@@ -183,6 +183,42 @@ float4 main() : sv_target
     return 0;
 }
 
+
+% Default values are allowed for uniform variables.
+[pixel shader todo fail(sm>=6)]
+float4 fun(uniform float4 a, uniform float4 b = {1, 2, 3, 4}) : sv_target
+{
+    return 8*a + b;
+}
+
+technique10 T1
+{
+    pass P1
+    {
+        PixelShader = compile ps_4_0 fun(5);
+    }
+}
+
+float4 main() : sv_target { return 0; }
+
+
+[pixel shader todo fail(sm>=6)]
+float4 fun(float4 a : COLOR0 = {-1, -2, -3, -4}, uniform float4 b = {1, 2, 3, 4}) : sv_target
+{
+    return 8*a + b;
+}
+
+technique10 T1
+{
+    pass P1
+    {
+        PixelShader = compile ps_4_0 fun();
+    }
+}
+
+float4 main() : sv_target { return 0; }
+
+
 [require]
 shader model >= 5.0
 shader model < 6.0