initial commit

tests/test_failure_cases.cpp

@@ -0,0 +1,19 @@
+#include <cassert>
+#include "radhook/radhook.h"
+
+static int fn() { return 42; }
+static int detour() { return 1337; }
+
+int main() {
+    RadHookHandle h = nullptr;
+
+    // invalid detour
+    auto r1 = RadHookCreate((void*)fn, nullptr, &h);
+    assert(r1 != RadHookResult::Success);
+
+    // invalid target
+    auto r2 = RadHookCreate(nullptr, (void*)detour, &h);
+    assert(r2 != RadHookResult::Success);
+
+    return 0;
+}