1 files changed, 42 insertions, 0 deletions
diff --git a/tests/language-feature/tuple/tuple-syntax.slang b/tests/language-feature/tuple/tuple-syntax.slang
new file mode 100644
index 000000000..1d0a42b40
--- /dev/null
+++ b/tests/language-feature/tuple/tuple-syntax.slang
@@ -0,0 +1,42 @@
+// Test tuple construction syntax.
+
+#language 2026
+
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-shaderobj
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-dx12 -use-dxil -shaderobj
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-cpu -shaderobj
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -shaderobj
+
+//TEST_INPUT:ubuffer(data=[1 2 3 4], stride=4):out,name=outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+void store(inout Tuple<int, float, uint> t)
+{
+    t._1_2 = (3.0, 4u);
+}
+
+struct MyType
+{
+    int x;
+    int y;
+    __init(Tuple<int, int> t){
+        x = t._0;
+        y = t._1;
+    }
+}
+
+[numthreads(1, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    var t = (1, 2.0, 3u);
+    store(t);
+    let y = t._1_2_0;
+
+    // CHECK: 4
+    outputBuffer[0] = y._1;
+
+    // This should mean cast<MyType>(makeTuple(1,2))
+    let m = (MyType)(1,2);
+    // CHECK: 3
+    outputBuffer[1] = m.x + m.y;
+}