import sys
import os
sys.path.insert(0, os.getcwd())

from src.file_cache import ASTParser

def test_multibyte_definition_lookup():
 # String with a multi-byte character (3 bytes)
 # The shade character ▓ is 3 bytes in UTF-8.
 # 3 shade characters = 9 bytes. In Python str they are 3 chars.
 # Offset drift will be 6 bytes.
 code = """
/* ▓▓▓ */
struct Target {
 int x;
};
"""
 parser = ASTParser("cpp")
 # This should find Target and return its definition
 definition = parser.get_definition(code, "Target")
 print(f"Definition found: '{definition}'")
 if "struct Target" not in definition:
  print("FAILURE: 'struct Target' not in definition")
  sys.exit(1)
 if "int x;" not in definition:
  print("FAILURE: 'int x;' not in definition")
  sys.exit(1)
 print("SUCCESS")

if __name__ == "__main__":
 test_multibyte_definition_lookup()