diff options
| -rwxr-xr-x | t/perf/p0100-globbing.sh | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/t/perf/p0100-globbing.sh b/t/perf/p0100-globbing.sh new file mode 100755 index 0000000000..dd18a9ce2b --- /dev/null +++ b/t/perf/p0100-globbing.sh @@ -0,0 +1,43 @@ +#!/bin/sh + +test_description="Tests pathological globbing performance + +Shows how Git's globbing performance performs when given the sort of +pathological patterns described in at https://research.swtch.com/glob +" + +. ./perf-lib.sh + +test_globs_big='10 25 50 75 100' +test_globs_small='1 2 3 4 5 6' + +test_perf_fresh_repo + +test_expect_success 'setup' ' + for i in $(test_seq 1 100) + do + printf "a" >>refname && + for j in $(test_seq 1 $i) + do + printf "a*" >>refglob.$i + done && + echo b >>refglob.$i + done && + test_commit test $(cat refname).t "" $(cat refname).t +' + +for i in $test_globs_small +do + test_perf "refglob((a*)^nb) against tag (a^100).t; n = $i" ' + git for-each-ref "refs/tags/$(cat refglob.'$i')b" + ' +done + +for i in $test_globs_small +do + test_perf "fileglob((a*)^nb) against file (a^100).t; n = $i" ' + git ls-files "$(cat refglob.'$i')b" + ' +done + +test_done |