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62ca75a6 ÆAB |
1 | #!/bin/sh |
2 | ||
3 | test_description="Tests pathological globbing performance | |
4 | ||
5 | Shows how Git's globbing performance performs when given the sort of | |
6 | pathological patterns described in at https://research.swtch.com/glob | |
7 | " | |
8 | ||
9 | . ./perf-lib.sh | |
10 | ||
11 | test_globs_big='10 25 50 75 100' | |
12 | test_globs_small='1 2 3 4 5 6' | |
13 | ||
14 | test_perf_fresh_repo | |
15 | ||
16 | test_expect_success 'setup' ' | |
17 | for i in $(test_seq 1 100) | |
18 | do | |
19 | printf "a" >>refname && | |
20 | for j in $(test_seq 1 $i) | |
21 | do | |
db5875aa | 22 | printf "a*" >>refglob.$i || return 1 |
62ca75a6 | 23 | done && |
db5875aa | 24 | echo b >>refglob.$i || return 1 |
62ca75a6 ÆAB |
25 | done && |
26 | test_commit test $(cat refname).t "" $(cat refname).t | |
27 | ' | |
28 | ||
29 | for i in $test_globs_small | |
30 | do | |
31 | test_perf "refglob((a*)^nb) against tag (a^100).t; n = $i" ' | |
32 | git for-each-ref "refs/tags/$(cat refglob.'$i')b" | |
33 | ' | |
34 | done | |
35 | ||
36 | for i in $test_globs_small | |
37 | do | |
38 | test_perf "fileglob((a*)^nb) against file (a^100).t; n = $i" ' | |
39 | git ls-files "$(cat refglob.'$i')b" | |
40 | ' | |
41 | done | |
42 | ||
43 | test_done |