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Adopt the LCOV convention for marking lines as unreachable by tests.

Browse Source 
Document this convention.

Add a script to post-process .gcov files in order to stop nagging us
about excluded lines.

Teach cov-diff to handle these post-processed files.

Closes ticket 16792
This commit is contained in:
Nick Mathewson
2016-04-12 21:12:10 -04:00
parent bd34edc18d
commit 4043f2c95f
4 changed files with 50 additions and 2 deletions
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scripts/test/cov-diff
+2 -2
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@@ -9,8 +9,8 @@ DIRB="$2"
for A in $DIRA/*; do
B=$DIRB/`basename $A`
perl -pe 's/^\s*\d+:/ 1:/; s/^([^:]+:)[\d\s]+:/$1/; s/^ *-:(Runs|Programs):.*//;' "$A" > "$A.tmp"
perl -pe 's/^\s*\d+:/ 1:/; s/^([^:]+:)[\d\s]+:/$1/; s/^ *-:(Runs|Programs):.*//;' "$B" > "$B.tmp"
perl -pe 's/^\s*\!*\d+:/ 1:/; s/^([^:]+:)[\d\s]+:/$1/; s/^ *-:(Runs|Programs):.*//;' "$A" > "$A.tmp"
perl -pe 's/^\s*\!*\d+:/ 1:/; s/^([^:]+:)[\d\s]+:/$1/; s/^ *-:(Runs|Programs):.*//;' "$B" > "$B.tmp"
diff -u "$A.tmp" "$B.tmp"
rm "$A.tmp" "$B.tmp"
done