Add gfx unit testing framework. (#1943)

* Add gfx unit testing framework.

* Fix compilation error.

* Reset gfxDebugCallback after render_test.

* Pass enabledApi flags through.

* Fix for code review suggestions.

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/tools/unit-test/slang-unit-test.cpp b/tools/unit-test/slang-unit-test.cpp
new file mode 100644
index 000000000..a31614c05
--- /dev/null
+++ b/tools/unit-test/slang-unit-test.cpp
@@ -0,0 +1,48 @@
+#include "slang-unit-test.h"
+#include "slang.h"
+#include "source/core/slang-basic.h"
+
+struct SlangUnitTest
+{
+    const char* name;
+    slang::UnitTestFunc func;
+};
+
+class SlangUnitTestModule : public slang::IUnitTestModule
+{
+public:
+    Slang::List<SlangUnitTest> tests;
+
+    virtual SlangInt getTestCount() override
+    {
+        return tests.getCount();
+    }
+    virtual const char* getTestName(SlangInt index) override
+    {
+        return tests[index].name;
+    }
+
+    virtual slang::UnitTestFunc getTestFunc(SlangInt index) override
+    {
+        return tests[index].func;
+    }
+};
+
+SlangUnitTestModule* _getTestModule()
+{
+    static SlangUnitTestModule testModule;
+    return &testModule;
+}
+
+extern "C"
+{
+SLANG_DLL_EXPORT slang::IUnitTestModule* slangUnitTestGetModule()
+{
+    return _getTestModule();
+}
+}
+
+slang::UnitTestRegisterHelper::UnitTestRegisterHelper(const char* name, UnitTestFunc testFunc)
+{
+    _getTestModule()->tests.add(SlangUnitTest{ name, testFunc });
+}