Fix #line directives

tests/test_misc.py

@@ -1,5 +1,6 @@
 # Note: testcases generated via `python -m cxxheaderparser.gentest`
 
+from cxxheaderparser.errors import CxxParseError
 from cxxheaderparser.types import (
     BaseClass,
     ClassDecl,
@@ -22,6 +23,8 @@ from cxxheaderparser.simple import (
     ParsedData,
 )
 
+import pytest
+
 #
 # minimal preprocessor support
 #
@@ -93,6 +96,19 @@ def test_pragma_more() -> None:
     )
 
 
+def test_line_and_define() -> None:
+    content = """
+        // this should work + change line number of error
+        #line 40 "filename.h"
+        // this should fail
+        #define 1
+    """
+    with pytest.raises(CxxParseError) as e:
+        parse_string(content, cleandoc=True)
+
+    assert "filename.h:41" in str(e.value)
+
+
 #
 # extern "C"
 #