diff --git a/tests/hlsl/cast-to-int.shader_test b/tests/hlsl/cast-to-int.shader_test
index 077f967d..17d926d1 100644
--- a/tests/hlsl/cast-to-int.shader_test
+++ b/tests/hlsl/cast-to-int.shader_test
@@ -85,3 +85,41 @@ float4 main() : sv_target
 draw quad
 if(sm<4) todo probe (0,0) rgba (0.5, 4.2949673e+009, 0.5, 0.5)
 if(sm>=4) probe (0,0) rgba (0.5, 0.5, 0.5, 0.5)
+
+[require]
+shader model >= 6.2
+native-16-bit
+
+[pixel shader]
+uniform int4 i;
+
+int4 main() : sv_target
+{
+    int16_t4 s = i;
+    return s * int16_t4(2, 2, 1, 1);
+}
+
+[test]
+uniform 0 int4 0x10002 0x8003 0x10002 0x8003
+draw quad
+probe (0, 0) rgbai(4, 6, 2, -32765)
+uniform 0 int4 -1 -3 -1 -3
+draw quad
+probe (0, 0) rgbai(-2, -6, -1, -3)
+
+[pixel shader]
+uniform float4 f;
+
+int4 main() : sv_target
+{
+    int16_t4 s = f;
+    return s * int16_t4(2, 2, 1, 1);
+}
+
+[test]
+uniform 0 float4 0.5 1.0 0.5 1.0
+todo draw quad
+probe (0, 0) rgbai(0, 2, 0, 1)
+uniform 0 float4 -0.5 -1.0 -0.5 -1.0
+todo draw quad
+probe (0, 0) rgbai(0, -2, 0, -1)