2 files changed, 21 insertions, 0 deletions
diff --git a/tests/diagnostics/global-uniform.slang b/tests/diagnostics/global-uniform.slang
new file mode 100644
index 000000000..a3f17e536
--- /dev/null
+++ b/tests/diagnostics/global-uniform.slang
@@ -0,0 +1,13 @@
+// global-uniform.slang
+//TEST:SIMPLE:-target hlsl
+
+
+// Any attempt to declare a global variable that actually declares a
+// global uniform should be diagnosed as unsupported.
+
+uniform float a;
+
+const uint4 b = uint4(0,1,2,3);
+
+struct C { float x; int y; };
+C c;
diff --git a/tests/diagnostics/global-uniform.slang.expected b/tests/diagnostics/global-uniform.slang.expected
new file mode 100644
index 000000000..a77144c4f
--- /dev/null
+++ b/tests/diagnostics/global-uniform.slang.expected
@@ -0,0 +1,8 @@
+result code = -1
+standard error = {
+tests/diagnostics/global-uniform.slang(8): error 39016: 'a' is implicitly a global uniform shader parameter, which is currently unsupported by Slang. If a uniform parameter is intended, use a constant buffer or parameter block. If a global is intended, use the 'static' modifier.
+tests/diagnostics/global-uniform.slang(10): error 39016: 'b' is implicitly a global uniform shader parameter, which is currently unsupported by Slang. If a uniform parameter is intended, use a constant buffer or parameter block. If a global is intended, use the 'static' modifier.
+tests/diagnostics/global-uniform.slang(13): error 39016: 'c' is implicitly a global uniform shader parameter, which is currently unsupported by Slang. If a uniform parameter is intended, use a constant buffer or parameter block. If a global is intended, use the 'static' modifier.
+}
+standard output = {
+}