From 447b7e0e2be031409b1421b49c81f020353bf7c5 Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Tue, 21 Dec 2021 16:35:34 -0500
Subject: Language experiments (#2068)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Moved to experiments.
Added some more tests.

* More tests around associated types.

* Return interface tests.

* More tests.
---
 tests/experiments/generic/equality.slang | 43 ++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 tests/experiments/generic/equality.slang

(limited to 'tests/experiments/generic/equality.slang')

diff --git a/tests/experiments/generic/equality.slang b/tests/experiments/generic/equality.slang
new file mode 100644
index 000000000..eb4569df5
--- /dev/null
+++ b/tests/experiments/generic/equality.slang
@@ -0,0 +1,43 @@
+//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
+
+/* A test for equality around interface types
+
+Doesn't work because
+
+.slang(8): error 38100: type 'A' does not provide required interface member 'isEqual'
+struct A : IEquality
+           ^~~~~~~~~
+ */
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+interface IEquality
+{
+    bool isEqual(IEquality rhs);
+};
+
+struct A : IEquality
+{
+    bool isEqual(IEquality rhs)
+    {
+        // Hmm. How can I cant query rhs, and then cast, so not clear how to implement
+        return true;
+    }
+    int value;
+};
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    int index = dispatchThreadID.x;
+
+    A a = { 1 };
+    A b = { 2 };
+    
+    bool isEqual = a.isEqual(b);
+
+	outputBuffer[index] = 1 + int(isEqual);
+}
+
+
-- 
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