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, 39 insertions, 0 deletions

diff --git a/tests/experiments/generic/operator-overload.slang b/tests/experiments/generic/operator-overload.slang
new file mode 100644
index 000000000..590322171
--- /dev/null
+++ b/tests/experiments/generic/operator-overload.slang
@@ -0,0 +1,39 @@
+//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
+
+/* Test here is test out operator overloading. This may not be a feature
+that works in user code (it is used within the stdlib).
+
+This produces:
+.slang(10): error 30019: expected an expression of type 'Vec2d', got 'double'
+    return {a.x + b.x, a.y + b.y};
+
+Moreover...
+
+.slang(18): error 30019: expected an expression of type 'Vec2d', got 'int'
+    int a = 10 + 11;
+
+It's as if only this operator+ impl can now be seen.
+*/
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+struct Vec2d
+{   
+    double x, y;
+};
+
+Vec2d operator+(Vec2d a, Vec2d b)
+{
+    return {a.x + b.x, a.y + b.y};
+}
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{    
+    int index = dispatchThreadID.x;
+    
+    int a = 10 + 11;
+    
+    outputBuffer[dispatchThreadID.x] = int(v);
+}
\ No newline at end of file