Giovanni Mascellani : tests: Test a couple of degenerate switch instances.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 93100edb4b994db084fe4914d88f8abe62d0fb9f
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/93100edb4b994db084fe4914d88f8a...

Author: Giovanni Mascellani <gmascellani(a)codeweavers.com>
Date:   Fri Jan 12 10:47:21 2024 +0100

tests: Test a couple of degenerate switch instances.

---

 tests/hlsl/switch.shader_test | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/tests/hlsl/switch.shader_test b/tests/hlsl/switch.shader_test
index b7edadcc..01624f97 100644
--- a/tests/hlsl/switch.shader_test
+++ b/tests/hlsl/switch.shader_test
@@ -28,6 +28,41 @@ uniform 0 uint4 0 0 0 0
 draw quad
 probe all rgba (3.0, 3.0, 3.0, 3.0)
 
+% just a default case
+[pixel shader]
+uint4 v;
+
+float4 main() : sv_target
+{
+    switch (v.x)
+    {
+    default:
+        return 5.0;
+    }
+}
+
+[test]
+uniform 0 uint4 3 0 0 0
+draw quad
+probe all rgba (5.0, 5.0, 5.0, 5.0)
+uniform 0 uint4 1 0 0 0
+draw quad
+probe all rgba (5.0, 5.0, 5.0, 5.0)
+uniform 0 uint4 0 0 0 0
+draw quad
+probe all rgba (5.0, 5.0, 5.0, 5.0)
+
+% completely empty
+[pixel shader fail]
+uint4 v;
+
+float4 main() : sv_target
+{
+    switch (v.x)
+    {
+    }
+}
+
 % falling through is only supported for empty case statements
 [pixel shader]
 uint4 v;