Add regression test for root-project#17497

bindings/pyroot/pythonizations/test/string_view.py

@@ -1,6 +1,8 @@
 import os
 import unittest
 import ROOT
+import cppyy
+import platform
 
 
 class StringView(unittest.TestCase):
@@ -28,6 +30,25 @@ def test_rdataframe(self):
             str(df), "A data frame built on top of the tree dataset.")
         os.remove(filename)
 
+    def test_17497(self):
+        """Regression test for https://github.com/root-project/root/issues/17497"""
+        # See https://github.com/root-project/root/issues/7541 and
+        # https://bugs.llvm.org/show_bug.cgi?id=49692 :
+        # llvm JIT fails to catch exceptions on MacOS ARM, so we disable their testing
+        if platform.processor() != "arm" or platform.mac_ver()[0] == '':
+            ROOT.gInterpreter.Declare(r"""
+            void fun(std::string_view, std::string_view){throw std::runtime_error("std::string_view overload");}
+            void fun(std::string_view, const std::vector<std::string> &){throw std::runtime_error("const std::vector<std::string> & overload");}
+            """)
+            with self.assertRaises(cppyy.gbl.std.runtime_error):
+                ROOT.fun("", [])
+            with self.assertRaises(cppyy.gbl.std.runtime_error):
+                ROOT.fun(ROOT.std.string_view("hello world"),
+                         ROOT.std.vector[ROOT.std.string]())
+            with self.assertRaises(cppyy.gbl.std.runtime_error):
+                ROOT.fun("", ROOT.std.vector[ROOT.std.string]())
+            with self.assertRaises(cppyy.gbl.std.runtime_error):
+                ROOT.fun(ROOT.std.string_view("hello world"), [])
 
 if __name__ == '__main__':
     unittest.main()