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.

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/experiments/generic/scope-type.slang b/tests/experiments/generic/scope-type.slang
new file mode 100644
index 000000000..01c9bfc62
--- /dev/null
+++ b/tests/experiments/generic/scope-type.slang
@@ -0,0 +1,36 @@
+//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
+
+/* Test here is to try and associate a value with a type
+
+This may be a similar problem as with scope-value-2.slang. 
+This doesn't work *only* if Thing derives from IIntegral. Remove that and it's fine.
+
+.slang(19): internal error 99999: unexpected condition encountered in Slang compiler: should not appear in input syntax
+    let v = (Thing::Unsigned)10;
+                  ^~
+
+*/
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+interface IIntegral
+{
+    associatedtype Unsigned;
+};
+
+struct Thing : IIntegral
+{
+    typedef uint Unsigned;
+};
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{    
+    int index = dispatchThreadID.x;
+    
+    // Doesn't work
+    let v = (Thing::Unsigned)10;
+
+    outputBuffer[dispatchThreadID.x] = int(v);
+}
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