[tor-commits] [tor/master] annotate_ifdef_directives: test edge-case of 80-char line

[asn@xxxxxxxxxxxxxx]

commit fc1134e3e59df2ca473e787f70a57ebf659d78f2
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Thu Sep 26 20:30:41 2019 -0400

    annotate_ifdef_directives: test edge-case of 80-char line
    
    An 80-character line (79 characters if you don't count the newline)
    should not be truncated, and should not have a "..." insterted.
---
 scripts/maint/annotate_ifdef_directives.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/scripts/maint/annotate_ifdef_directives.py b/scripts/maint/annotate_ifdef_directives.py
index b4326f982..102128bfa 100755
--- a/scripts/maint/annotate_ifdef_directives.py
+++ b/scripts/maint/annotate_ifdef_directives.py
@@ -156,6 +156,22 @@ def commented_line(fmt, argument, maxwidth=LINE_WIDTH):
     '#endif /* long long long long long long '
     >>> long_line[40:]
     'long long long long long long lon... */\n'
+
+    If a line works out to being 80 characters naturally, it isn't truncated,
+    and no ellipsis is added.
+
+    >>> medium_argument = "a"*66
+    >>> medium_line = commented_line("#endif /* %s */\n", medium_argument)
+    >>> len(medium_line)
+    80
+    >>> "..." in medium_line
+    False
+    >>> medium_line[:40]
+    '#endif /* aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
+    >>> medium_line[40:]
+    'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa */\n'
+
+
     """
     assert fmt.endswith("\n")
     result = fmt % argument



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