Add test for utf16CharMap

novelwriter/common.py

@@ -500,13 +500,13 @@ def utf16CharMap(text: str) -> list[int]:
     ASCII, UCS-2 or UCS-4. QStrings are in UTF-16, so wide characters
     use 2 indices, and thus creates an offset.
     """
-    posMap = list(range(0, len(text) + 1))
+    utf16Map = list(range(0, len(text) + 1))
     offset = 0
-    for i, c in enumerate(text):
+    for i, c in enumerate(text, 1):
         if ord(c) > 0xffff:
             offset += 1
-        posMap[i + 1] = i + 1 + offset
-    return posMap
+        utf16Map[i] = i + offset
+    return utf16Map
 
 
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