2 files changed, 93 insertions, 0 deletions
diff --git a/tests/language-feature/lang-version.slang b/tests/language-feature/lang-version.slang
new file mode 100644
index 000000000..226c04514
--- /dev/null
+++ b/tests/language-feature/lang-version.slang
@@ -0,0 +1,51 @@
+
+//TEST:SIMPLE(filecheck=CHECK_2026): -target spirv -std 2026
+//TEST:SIMPLE(filecheck=CHECK_2026): -target spirv -DVER_2026
+//TEST:SIMPLE(filecheck=CHECK_2026): -target spirv -DVER_2026_2
+//TEST:SIMPLE(filecheck=CHECK_2026): -target spirv -DVER_LATEST1
+//TEST:SIMPLE(filecheck=CHECK_2026): -target spirv -DVER_LATEST2
+//TEST:SIMPLE(filecheck=CHECK_LEGACY): -target spirv
+//TEST:SIMPLE(filecheck=ILLEGAL_SLANG_VER): -target spirv -DVER_ILLEGAL
+//TEST:SIMPLE(filecheck=ILLEGAL_SLANG_VER2): -target spirv -DVER_ILLEGAL2
+//TEST:SIMPLE(filecheck=ILLEGAL_LANG): -target spirv -DLANG_ILLEGAL
+
+#ifdef VER_2026
+#language slang 2026
+#endif
+
+#ifdef VER_2026_2
+#language 2026
+#endif
+
+#ifdef VER_LATEST1
+#lang slang latest
+#endif
+
+#ifdef VER_LATEST2
+#lang latest
+#endif
+
+#ifdef VER_ILLEGAL
+// ILLEGAL_SLANG_VER: ([[# @LINE+1]]): error 15207
+#lang slang illegal
+#endif
+
+#ifdef VER_ILLEGAL2
+// ILLEGAL_SLANG_VER2: ([[# @LINE+1]]): error 15207
+#lang 9987
+#endif
+
+#ifdef LANG_ILLEGAL
+// ILLEGAL_LANG: ([[# @LINE+1]]): error 15207
+#lang illegal
+#endif
+
+// CHECK_2026: OpEntryPoint
+
+[numthreads(1,1,1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    // CHECK_LEGACY: ([[# @LINE+1]]): error 30027
+    let x = (1,2,3)._1_2;
+    
+}
+\ No newline at end of file
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;
+}