Allow a enum case to reference a previously defined value. (#4768)

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/language-feature/enums/reference-previous.slang b/tests/language-feature/enums/reference-previous.slang
new file mode 100644
index 000000000..6dfbef39a
--- /dev/null
+++ b/tests/language-feature/enums/reference-previous.slang
@@ -0,0 +1,15 @@
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -shaderobj
+
+// Test that a enum case can reference a previously defined case.
+
+enum Check { V = 1, X = V+2 };
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+[numthreads(1, 1, 1)]
+void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
+{
+    // CHECK: 3
+    outputBuffer[0] = Check.X;
+}