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git-commit-vandalism/t/t3070-wildmatch.sh
Jeff King 2d86a96220 t: avoid sed-based chain-linting in some expensive cases 
Commit 878f988350 (t/test-lib: teach --chain-lint to detect broken
&&-chains in subshells, 2018-07-11) introduced additional chain-lint
tests which add an extra "sed" pipeline to each test we run. This has a
measurable impact on runtime. Here are timings with and without a new
environment variable (added by this patch) that lets you disable just
the additional sed-based chain-lint tests:

  Benchmark #1: GIT_TEST_CHAIN_LINT_HARDER=1 make test
    Time (mean ± σ):     64.202 s ±  1.030 s    [User: 622.469 s, System: 301.402 s]
    Range (min … max):   61.571 s … 65.662 s    10 runs

  Benchmark #2: GIT_TEST_CHAIN_LINT_HARDER=0 make test
    Time (mean ± σ):     57.591 s ±  0.333 s    [User: 529.368 s, System: 270.618 s]
    Range (min … max):   57.143 s … 58.309 s    10 runs

  Summary
    'GIT_TEST_CHAIN_LINT_HARDER=0 make test' ran
      1.11 ± 0.02 times faster than 'GIT_TEST_CHAIN_LINT_HARDER=1 make test'

Of course those extra lint checks are doing something useful, so paying
a few extra seconds (at least on Linux) isn't so bad (though note the
CPU time; we're bounded in our parallel run here by the slowest test, so
it really is ~120s of CPU improvement).

But we can observe that there are some test scripts where they produce a
much stronger effect, and provide less value. In t0027 and t3070 we run
a very large number of small tests, all driven by a series of
functions/loops which are filling in the test bodies. There we get much
less bang for our buck in terms of bug-finding versus CPU cost.

This patch introduces a mechanism for controlling when those extra
lint checks are run, at two levels:

  - a user can ask to disable or to force-enable the checks by setting
    GIT_TEST_CHAIN_LINT_HARDER

  - if the user hasn't specified a preference, individual scripts can
    disable the checks by setting GIT_TEST_CHAIN_LINT_HARDER_DEFAULT;
    scripts which don't set that get the current behavior of enabling
    them.

In addition, this patch flips the default for t0027 and t3070's
mass-generated sections to disable the extra checks. Here are the timing
results for t0027:

  Benchmark #1: GIT_TEST_CHAIN_LINT_HARDER=1 ./t0027-auto-crlf.sh
    Time (mean ± σ):     17.078 s ±  0.848 s    [User: 14.878 s, System: 7.075 s]
    Range (min … max):   15.952 s … 18.421 s    10 runs

  Benchmark #2: GIT_TEST_CHAIN_LINT_HARDER=0 ./t0027-auto-crlf.sh
    Time (mean ± σ):      9.063 s ±  0.759 s    [User: 7.890 s, System: 3.362 s]
    Range (min … max):    7.747 s … 10.619 s    10 runs

  Benchmark #3: ./t0027-auto-crlf.sh
    Time (mean ± σ):      9.186 s ±  0.881 s    [User: 7.957 s, System: 3.427 s]
    Range (min … max):    7.796 s … 10.498 s    10 runs

  Summary
    'GIT_TEST_CHAIN_LINT_HARDER=0 ./t0027-auto-crlf.sh' ran
      1.01 ± 0.13 times faster than './t0027-auto-crlf.sh'
      1.88 ± 0.18 times faster than 'GIT_TEST_CHAIN_LINT_HARDER=1 ./t0027-auto-crlf.sh'

We can see that disabling the checks for the whole script buys us an
almost 2x speedup. But the new default behavior, disabling them only for
the mass-generated part, gets us most of that speedup (but still leaves
the checks on for further manual tests people might write).

  As a side note, I'd caution about comparing runtimes and CPU seconds
  between this timing and the earlier "make test" one. In "make test",
  we're running a lot of scripts in parallel, so the CPU is throttling
  down (and thus a CPU second saved here would count for more during a
  parallel run; the same work takes more CPU seconds there).

We get similar results for t3070:

  Benchmark #1: GIT_TEST_CHAIN_LINT_HARDER=1 ./t3070-wildmatch.sh
    Time (mean ± σ):     20.054 s ±  3.967 s    [User: 16.003 s, System: 8.286 s]
    Range (min … max):   11.891 s … 23.671 s    10 runs

  Benchmark #2: GIT_TEST_CHAIN_LINT_HARDER=0 ./t3070-wildmatch.sh
    Time (mean ± σ):     12.399 s ±  2.256 s    [User: 7.542 s, System: 5.342 s]
    Range (min … max):    9.606 s … 15.727 s    10 runs

  Benchmark #3: ./t3070-wildmatch.sh
    Time (mean ± σ):     10.726 s ±  3.476 s    [User: 6.790 s, System: 4.365 s]
    Range (min … max):    5.444 s … 15.376 s    10 runs

  Summary
    './t3070-wildmatch.sh' ran
      1.16 ± 0.43 times faster than 'GIT_TEST_CHAIN_LINT_HARDER=0 ./t3070-wildmatch.sh'
      1.87 ± 0.71 times faster than 'GIT_TEST_CHAIN_LINT_HARDER=1 ./t3070-wildmatch.sh'

Again, we get almost a 2x speedup disabling these. In this case, there
are no tests not covered by the script's "default to disable" behavior,
so the second two benchmarks should be the same (and while they do
differ, you can see the variance is quite high but they're within one
standard deviation).

So it seems like for these two scripts, at least, disabling the extra
checks is a reasonable tradeoff. Sadly, the overall runtime of "make
test" on my system doesn't get much faster. But that's because we're
mostly limited by the cost of the single biggest test. Here are the
top-5 tests by wall-clock time from a parallel run, before my patch:

  57.9192368984222 t9001-send-email.sh
  45.6329638957977 t0027-auto-crlf.sh
  32.5278220176697 t3070-wildmatch.sh
  22.2701289653778 t7610-mergetool.sh
  20.8635759353638 t1701-racy-split-index.sh

And after:

  57.1476998329163 t9001-send-email.sh
  33.776211977005 t0027-auto-crlf.sh
  21.3116669654846 t7610-mergetool.sh
  20.7748689651489 t1701-racy-split-index.sh
  19.6957249641418 t7112-reset-submodule.sh

We dropped 12s from t0027, and t3070 dropped off our list entirely at
around 16s. In both cases we're bound by t9001, but its slowness is
due to the actual tests, so we'll have to deal with it in a different
way. But this reduces overall CPU, and means that dealing with t9001 (by
improving the speed of send-email or splitting it apart) will let us
reduce our overall runtime even on multi-core machines.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-13 15:50:44 +09:00

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#!/bin/sh
test_description='wildmatch tests'
. ./test-lib.sh
# Disable expensive chain-lint tests; all of the tests in this script
# are variants of a few trivial test-tool invocations, and there are a lot of
# them.
GIT_TEST_CHAIN_LINT_HARDER_DEFAULT=0
should_create_test_file() {
file=$1
case $file in
# `touch .` will succeed but obviously not do what we intend
# here.
".")
return 1
;;
# We cannot create a file with an empty filename.
"")
return 1
;;
# The tests that are testing that e.g. foo//bar is matched by
# foo/*/bar can't be tested on filesystems since there's no
# way we're getting a double slash.
*//*)
return 1
;;
# When testing the difference between foo/bar and foo/bar/ we
# can't test the latter.
*/)
return 1
;;
# On Windows, \ in paths is silently converted to /, which
# would result in the "touch" below working, but the test
# itself failing. See 6fd1106aa4 ("t3700: Skip a test with
# backslashes in pathspec", 2009-03-13) for prior art and
# details.
*\\*)
if ! test_have_prereq BSLASHPSPEC
then
return 1
fi
# NOTE: The ;;& bash extension is not portable, so
# this test needs to be at the end of the pattern
# list.
#
# If we want to add more conditional returns we either
# need a new case statement, or turn this whole thing
# into a series of "if" tests.
;;
esac
# On Windows proper (i.e. not Cygwin) many file names which
# under Cygwin would be emulated don't work.
if test_have_prereq MINGW
then
case $file in
" ")
# Files called " " are forbidden on Windows
return 1
;;
*\<*|*\>*|*:*|*\"*|*\|*|*\?*|*\**)
# Files with various special characters aren't
# allowed on Windows. Sourced from
# https://stackoverflow.com/a/31976060
return 1
;;
esac
fi
return 0
}
match_with_function() {
text=$1
pattern=$2
match_expect=$3
match_function=$4
if test "$match_expect" = 1
then
test_expect_success "$match_function: match '$text' '$pattern'" "
test-tool wildmatch $match_function '$text' '$pattern'
"
elif test "$match_expect" = 0
then
test_expect_success "$match_function: no match '$text' '$pattern'" "
test_must_fail test-tool wildmatch $match_function '$text' '$pattern'
"
else
test_expect_success "PANIC: Test framework error. Unknown matches value $match_expect" 'false'
fi
}
match_with_ls_files() {
text=$1
pattern=$2
match_expect=$3
match_function=$4
ls_files_args=$5
match_stdout_stderr_cmp="
tr -d '\0' <actual.raw >actual &&
test_must_be_empty actual.err &&
test_cmp expect actual"
if test "$match_expect" = 'E'
then
if test -e .git/created_test_file
then
test_expect_success EXPENSIVE_ON_WINDOWS "$match_function (via ls-files): match dies on '$pattern' '$text'" "
printf '%s' '$text' >expect &&
test_must_fail git$ls_files_args ls-files -z -- '$pattern'
"
else
test_expect_failure EXPENSIVE_ON_WINDOWS "$match_function (via ls-files): match skip '$pattern' '$text'" 'false'
fi
elif test "$match_expect" = 1
then
if test -e .git/created_test_file
then
test_expect_success EXPENSIVE_ON_WINDOWS "$match_function (via ls-files): match '$pattern' '$text'" "
printf '%s' '$text' >expect &&
git$ls_files_args ls-files -z -- '$pattern' >actual.raw 2>actual.err &&
$match_stdout_stderr_cmp
"
else
test_expect_failure EXPENSIVE_ON_WINDOWS "$match_function (via ls-files): match skip '$pattern' '$text'" 'false'
fi
elif test "$match_expect" = 0
then
if test -e .git/created_test_file
then
test_expect_success EXPENSIVE_ON_WINDOWS "$match_function (via ls-files): no match '$pattern' '$text'" "
>expect &&
git$ls_files_args ls-files -z -- '$pattern' >actual.raw 2>actual.err &&
$match_stdout_stderr_cmp
"
else
test_expect_failure EXPENSIVE_ON_WINDOWS "$match_function (via ls-files): no match skip '$pattern' '$text'" 'false'
fi
else
test_expect_success "PANIC: Test framework error. Unknown matches value $match_expect" 'false'
fi
}
match() {
if test "$#" = 6
then
# When test-tool wildmatch and git ls-files produce the same
# result.
match_glob=$1
match_file_glob=$match_glob
match_iglob=$2
match_file_iglob=$match_iglob
match_pathmatch=$3
match_file_pathmatch=$match_pathmatch
match_pathmatchi=$4
match_file_pathmatchi=$match_pathmatchi
text=$5
pattern=$6
elif test "$#" = 10
then
match_glob=$1
match_iglob=$2
match_pathmatch=$3
match_pathmatchi=$4
match_file_glob=$5
match_file_iglob=$6
match_file_pathmatch=$7
match_file_pathmatchi=$8
text=$9
pattern=${10}
fi
test_expect_success EXPENSIVE_ON_WINDOWS 'cleanup after previous file test' '
if test -e .git/created_test_file
then
git reset &&
git clean -df
fi
'
printf '%s' "$text" >.git/expected_test_file
test_expect_success EXPENSIVE_ON_WINDOWS "setup match file test for $text" '
file=$(cat .git/expected_test_file) &&
if should_create_test_file "$file"
then
dirs=${file%/*}
if test "$file" != "$dirs"
then
mkdir -p -- "$dirs" &&
touch -- "./$text"
else
touch -- "./$file"
fi &&
git add -A &&
printf "%s" "$file" >.git/created_test_file
elif test -e .git/created_test_file
then
rm .git/created_test_file
fi
'
# $1: Case sensitive glob match: test-tool wildmatch & ls-files
match_with_function "$text" "$pattern" $match_glob "wildmatch"
match_with_ls_files "$text" "$pattern" $match_file_glob "wildmatch" " --glob-pathspecs"
# $2: Case insensitive glob match: test-tool wildmatch & ls-files
match_with_function "$text" "$pattern" $match_iglob "iwildmatch"
match_with_ls_files "$text" "$pattern" $match_file_iglob "iwildmatch" " --glob-pathspecs --icase-pathspecs"
# $3: Case sensitive path match: test-tool wildmatch & ls-files
match_with_function "$text" "$pattern" $match_pathmatch "pathmatch"
match_with_ls_files "$text" "$pattern" $match_file_pathmatch "pathmatch" ""
# $4: Case insensitive path match: test-tool wildmatch & ls-files
match_with_function "$text" "$pattern" $match_pathmatchi "ipathmatch"
match_with_ls_files "$text" "$pattern" $match_file_pathmatchi "ipathmatch" " --icase-pathspecs"
}
# Basic wildmatch features
match 1 1 1 1 foo foo
match 0 0 0 0 foo bar
match 1 1 1 1 '' ""
match 1 1 1 1 foo '???'
match 0 0 0 0 foo '??'
match 1 1 1 1 foo '*'
match 1 1 1 1 foo 'f*'
match 0 0 0 0 foo '*f'
match 1 1 1 1 foo '*foo*'
match 1 1 1 1 foobar '*ob*a*r*'
match 1 1 1 1 aaaaaaabababab '*ab'
match 1 1 1 1 'foo*' 'foo\*'
match 0 0 0 0 foobar 'foo\*bar'
match 1 1 1 1 'f\oo' 'f\\oo'
match 1 1 1 1 ball '*[al]?'
match 0 0 0 0 ten '[ten]'
match 1 1 1 1 ten '**[!te]'
match 0 0 0 0 ten '**[!ten]'
match 1 1 1 1 ten 't[a-g]n'
match 0 0 0 0 ten 't[!a-g]n'
match 1 1 1 1 ton 't[!a-g]n'
match 1 1 1 1 ton 't[^a-g]n'
match 1 1 1 1 'a]b' 'a[]]b'
match 1 1 1 1 a-b 'a[]-]b'
match 1 1 1 1 'a]b' 'a[]-]b'
match 0 0 0 0 aab 'a[]-]b'
match 1 1 1 1 aab 'a[]a-]b'
match 1 1 1 1 ']' ']'
# Extended slash-matching features
match 0 0 1 1 'foo/baz/bar' 'foo*bar'
match 0 0 1 1 'foo/baz/bar' 'foo**bar'
match 1 1 1 1 'foobazbar' 'foo**bar'
match 1 1 1 1 'foo/baz/bar' 'foo/**/bar'
match 1 1 0 0 'foo/baz/bar' 'foo/**/**/bar'
match 1 1 1 1 'foo/b/a/z/bar' 'foo/**/bar'
match 1 1 1 1 'foo/b/a/z/bar' 'foo/**/**/bar'
match 1 1 0 0 'foo/bar' 'foo/**/bar'
match 1 1 0 0 'foo/bar' 'foo/**/**/bar'
match 0 0 1 1 'foo/bar' 'foo?bar'
match 0 0 1 1 'foo/bar' 'foo[/]bar'
match 0 0 1 1 'foo/bar' 'foo[^a-z]bar'
match 0 0 1 1 'foo/bar' 'f[^eiu][^eiu][^eiu][^eiu][^eiu]r'
match 1 1 1 1 'foo-bar' 'f[^eiu][^eiu][^eiu][^eiu][^eiu]r'
match 1 1 0 0 'foo' '**/foo'
match 1 1 1 1 'XXX/foo' '**/foo'
match 1 1 1 1 'bar/baz/foo' '**/foo'
match 0 0 1 1 'bar/baz/foo' '*/foo'
match 0 0 1 1 'foo/bar/baz' '**/bar*'
match 1 1 1 1 'deep/foo/bar/baz' '**/bar/*'
match 0 0 1 1 'deep/foo/bar/baz/' '**/bar/*'
match 1 1 1 1 'deep/foo/bar/baz/' '**/bar/**'
match 0 0 0 0 'deep/foo/bar' '**/bar/*'
match 1 1 1 1 'deep/foo/bar/' '**/bar/**'
match 0 0 1 1 'foo/bar/baz' '**/bar**'
match 1 1 1 1 'foo/bar/baz/x' '*/bar/**'
match 0 0 1 1 'deep/foo/bar/baz/x' '*/bar/**'
match 1 1 1 1 'deep/foo/bar/baz/x' '**/bar/*/*'
# Various additional tests
match 0 0 0 0 'acrt' 'a[c-c]st'
match 1 1 1 1 'acrt' 'a[c-c]rt'
match 0 0 0 0 ']' '[!]-]'
match 1 1 1 1 'a' '[!]-]'
match 0 0 0 0 '' '\'
match 0 0 0 0 \
1 1 1 1 '\' '\'
match 0 0 0 0 'XXX/\' '*/\'
match 1 1 1 1 'XXX/\' '*/\\'
match 1 1 1 1 'foo' 'foo'
match 1 1 1 1 '@foo' '@foo'
match 0 0 0 0 'foo' '@foo'
match 1 1 1 1 '[ab]' '\[ab]'
match 1 1 1 1 '[ab]' '[[]ab]'
match 1 1 1 1 '[ab]' '[[:]ab]'
match 0 0 0 0 '[ab]' '[[::]ab]'
match 1 1 1 1 '[ab]' '[[:digit]ab]'
match 1 1 1 1 '[ab]' '[\[:]ab]'
match 1 1 1 1 '?a?b' '\??\?b'
match 1 1 1 1 'abc' '\a\b\c'
match 0 0 0 0 \
E E E E 'foo' ''
match 1 1 1 1 'foo/bar/baz/to' '**/t[o]'
# Character class tests
match 1 1 1 1 'a1B' '[[:alpha:]][[:digit:]][[:upper:]]'
match 0 1 0 1 'a' '[[:digit:][:upper:][:space:]]'
match 1 1 1 1 'A' '[[:digit:][:upper:][:space:]]'
match 1 1 1 1 '1' '[[:digit:][:upper:][:space:]]'
match 0 0 0 0 '1' '[[:digit:][:upper:][:spaci:]]'
match 1 1 1 1 ' ' '[[:digit:][:upper:][:space:]]'
match 0 0 0 0 '.' '[[:digit:][:upper:][:space:]]'
match 1 1 1 1 '.' '[[:digit:][:punct:][:space:]]'
match 1 1 1 1 '5' '[[:xdigit:]]'
match 1 1 1 1 'f' '[[:xdigit:]]'
match 1 1 1 1 'D' '[[:xdigit:]]'
match 1 1 1 1 '_' '[[:alnum:][:alpha:][:blank:][:cntrl:][:digit:][:graph:][:lower:][:print:][:punct:][:space:][:upper:][:xdigit:]]'
match 1 1 1 1 '.' '[^[:alnum:][:alpha:][:blank:][:cntrl:][:digit:][:lower:][:space:][:upper:][:xdigit:]]'
match 1 1 1 1 '5' '[a-c[:digit:]x-z]'
match 1 1 1 1 'b' '[a-c[:digit:]x-z]'
match 1 1 1 1 'y' '[a-c[:digit:]x-z]'
match 0 0 0 0 'q' '[a-c[:digit:]x-z]'
# Additional tests, including some malformed wildmatch patterns
match 1 1 1 1 ']' '[\\-^]'
match 0 0 0 0 '[' '[\\-^]'
match 1 1 1 1 '-' '[\-_]'
match 1 1 1 1 ']' '[\]]'
match 0 0 0 0 '\]' '[\]]'
match 0 0 0 0 '\' '[\]]'
match 0 0 0 0 'ab' 'a[]b'
match 0 0 0 0 \
1 1 1 1 'a[]b' 'a[]b'
match 0 0 0 0 \
1 1 1 1 'ab[' 'ab['
match 0 0 0 0 'ab' '[!'
match 0 0 0 0 'ab' '[-'
match 1 1 1 1 '-' '[-]'
match 0 0 0 0 '-' '[a-'
match 0 0 0 0 '-' '[!a-'
match 1 1 1 1 '-' '[--A]'
match 1 1 1 1 '5' '[--A]'
match 1 1 1 1 ' ' '[ --]'
match 1 1 1 1 '$' '[ --]'
match 1 1 1 1 '-' '[ --]'
match 0 0 0 0 '0' '[ --]'
match 1 1 1 1 '-' '[---]'
match 1 1 1 1 '-' '[------]'
match 0 0 0 0 'j' '[a-e-n]'
match 1 1 1 1 '-' '[a-e-n]'
match 1 1 1 1 'a' '[!------]'
match 0 0 0 0 '[' '[]-a]'
match 1 1 1 1 '^' '[]-a]'
match 0 0 0 0 '^' '[!]-a]'
match 1 1 1 1 '[' '[!]-a]'
match 1 1 1 1 '^' '[a^bc]'
match 1 1 1 1 '-b]' '[a-]b]'
match 0 0 0 0 '\' '[\]'
match 1 1 1 1 '\' '[\\]'
match 0 0 0 0 '\' '[!\\]'
match 1 1 1 1 'G' '[A-\\]'
match 0 0 0 0 'aaabbb' 'b*a'
match 0 0 0 0 'aabcaa' '*ba*'
match 1 1 1 1 ',' '[,]'
match 1 1 1 1 ',' '[\\,]'
match 1 1 1 1 '\' '[\\,]'
match 1 1 1 1 '-' '[,-.]'
match 0 0 0 0 '+' '[,-.]'
match 0 0 0 0 '-.]' '[,-.]'
match 1 1 1 1 '2' '[\1-\3]'
match 1 1 1 1 '3' '[\1-\3]'
match 0 0 0 0 '4' '[\1-\3]'
match 1 1 1 1 '\' '[[-\]]'
match 1 1 1 1 '[' '[[-\]]'
match 1 1 1 1 ']' '[[-\]]'
match 0 0 0 0 '-' '[[-\]]'
# Test recursion
match 1 1 1 1 '-adobe-courier-bold-o-normal--12-120-75-75-m-70-iso8859-1' '-*-*-*-*-*-*-12-*-*-*-m-*-*-*'
match 0 0 0 0 '-adobe-courier-bold-o-normal--12-120-75-75-X-70-iso8859-1' '-*-*-*-*-*-*-12-*-*-*-m-*-*-*'
match 0 0 0 0 '-adobe-courier-bold-o-normal--12-120-75-75-/-70-iso8859-1' '-*-*-*-*-*-*-12-*-*-*-m-*-*-*'
match 1 1 1 1 'XXX/adobe/courier/bold/o/normal//12/120/75/75/m/70/iso8859/1' 'XXX/*/*/*/*/*/*/12/*/*/*/m/*/*/*'
match 0 0 0 0 'XXX/adobe/courier/bold/o/normal//12/120/75/75/X/70/iso8859/1' 'XXX/*/*/*/*/*/*/12/*/*/*/m/*/*/*'
match 1 1 1 1 'abcd/abcdefg/abcdefghijk/abcdefghijklmnop.txt' '**/*a*b*g*n*t'
match 0 0 0 0 'abcd/abcdefg/abcdefghijk/abcdefghijklmnop.txtz' '**/*a*b*g*n*t'
match 0 0 0 0 foo '*/*/*'
match 0 0 0 0 foo/bar '*/*/*'
match 1 1 1 1 foo/bba/arr '*/*/*'
match 0 0 1 1 foo/bb/aa/rr '*/*/*'
match 1 1 1 1 foo/bb/aa/rr '**/**/**'
match 1 1 1 1 abcXdefXghi '*X*i'
match 0 0 1 1 ab/cXd/efXg/hi '*X*i'
match 1 1 1 1 ab/cXd/efXg/hi '*/*X*/*/*i'
match 1 1 1 1 ab/cXd/efXg/hi '**/*X*/**/*i'
# Extra pathmatch tests
match 0 0 0 0 foo fo
match 1 1 1 1 foo/bar foo/bar
match 1 1 1 1 foo/bar 'foo/*'
match 0 0 1 1 foo/bba/arr 'foo/*'
match 1 1 1 1 foo/bba/arr 'foo/**'
match 0 0 1 1 foo/bba/arr 'foo*'
match 0 0 1 1 \
1 1 1 1 foo/bba/arr 'foo**'
match 0 0 1 1 foo/bba/arr 'foo/*arr'
match 0 0 1 1 foo/bba/arr 'foo/**arr'
match 0 0 0 0 foo/bba/arr 'foo/*z'
match 0 0 0 0 foo/bba/arr 'foo/**z'
match 0 0 1 1 foo/bar 'foo?bar'
match 0 0 1 1 foo/bar 'foo[/]bar'
match 0 0 1 1 foo/bar 'foo[^a-z]bar'
match 0 0 1 1 ab/cXd/efXg/hi '*Xg*i'
# Extra case-sensitivity tests
match 0 1 0 1 'a' '[A-Z]'
match 1 1 1 1 'A' '[A-Z]'
match 0 1 0 1 'A' '[a-z]'
match 1 1 1 1 'a' '[a-z]'
match 0 1 0 1 'a' '[[:upper:]]'
match 1 1 1 1 'A' '[[:upper:]]'
match 0 1 0 1 'A' '[[:lower:]]'
match 1 1 1 1 'a' '[[:lower:]]'
match 0 1 0 1 'A' '[B-Za]'
match 1 1 1 1 'a' '[B-Za]'
match 0 1 0 1 'A' '[B-a]'
match 1 1 1 1 'a' '[B-a]'
match 0 1 0 1 'z' '[Z-y]'
match 1 1 1 1 'Z' '[Z-y]'
test_done
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