1 files changed, 69 insertions, 0 deletions
diff --git a/tests/experiments/generic/fixed-array-2.slang b/tests/experiments/generic/fixed-array-2.slang
new file mode 100644
index 000000000..00024f80e
--- /dev/null
+++ b/tests/experiments/generic/fixed-array-2.slang
@@ -0,0 +1,69 @@
+//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
+
+/* A test around use of an array like container. 
+
+Here we just fix the array size, so can test out other characteristics.
+
+indexOf can't compile because v == elements[i] cannot determine equality.
+
+It would seem like I should have an IEquality interface, that I could then make
+a T require. 
+
+Doesn't work because 
+
+.slang(29): error 30019: expected an expression of type 'Type', got 'T'
+            if (T::isEqual(v, elements[i]))
+
+ */
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+interface IEquality
+{
+    associatedtype Type;
+    static bool isEqual(Type a, Type b);
+};
+
+extension int : IEquality
+{
+    typedef int Type;	
+    static bool isEqual(Type a, Type b)
+    {
+        return a == b;
+    }
+};
+
+
+struct FixedArray<T : IEquality> 
+{
+    static const int SIZE = 4;
+    
+    [mutating] void setAt(int i, T value) { elements[i] = value; }
+    T getAt(int i) { return elements[i]; }
+    int indexOf(T v)
+    {
+        for (int i = 0; i < SIZE; ++i)
+        {
+            if (T::isEqual(v, elements[i]))
+            {
+                return i;
+            }
+            return -1;
+        }
+    }
+    T elements[SIZE];
+};
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    int index = dispatchThreadID.x;
+
+    FixedArray<int> arr;
+    arr.setAt(0, index);
+    
+	outputBuffer[index] = 1 + arr.getAt(0);
+}
+
+