diff options
| -rw-r--r-- | tests/Makefile.am | 1 | ||||
| -rwxr-xr-x | tests/misc/sort-discrim | 87 |
2 files changed, 88 insertions, 0 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am index d7a183737..c25d4e8bb 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -240,6 +240,7 @@ TESTS = \ misc/sort-continue \ misc/sort-debug-keys \ misc/sort-debug-warn \ + misc/sort-discrim \ misc/sort-files0-from \ misc/sort-float \ misc/sort-merge \ diff --git a/tests/misc/sort-discrim b/tests/misc/sort-discrim new file mode 100755 index 000000000..720d819d4 --- /dev/null +++ b/tests/misc/sort-discrim @@ -0,0 +1,87 @@ +#!/bin/sh +# Test discriminator-based sorting. + +# Copyright (C) 2012 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +. "${srcdir=.}/init.sh"; path_prepend_ ../src +print_ver_ sort + +# Set limit variables. +getlimits_ + +# These tests are designed for a 'sort' implementation that uses a +# discriminator, i.e., a brief summary of a key that may have lost info, +# but whose ordering is consistent with that of the original key. +# The tests are useful even if 'sort' does not use this representation. + +# Test lexicographic sorting. + +# A long-enough string so that it overruns a small discriminator buffer size. +long_prefix='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +seq -f "$long_prefix%5.0f" 10000 > exp || fail=1 +sort -R exp | LC_ALL=C sort > out || fail=1 +compare out exp || fail=1 + + +# Test numeric sorting. + +# These tests are designed for an internal representation that ordinarily +# looks at the number plus two decimal digits, but if -h is +# used it looks at one decimal place plus a 4-bit SI prefix value. +# In both cases, there's an extra factor of 2 for the sign. +max_int200=$(expr $UINTMAX_MAX / 200) && +max_frac200=$(printf '%.2d' $(expr $UINTMAX_MAX / 2 % 100)) && +max_int320=$(expr $UINTMAX_MAX / 320) && +max_frac320=$(expr $UINTMAX_MAX / 32 % 10) && +{ printf -- "\ + -$UINTMAX_OFLOW + -$UINTMAX_MAX + -${max_int200}0.1 + -${max_int200}0 + -${max_int200}0.0 + -${max_int320}0.1 + -${max_int320}0 + -${max_int320}0.0 + -$max_int200.${max_frac200}1 + -$max_int200.$max_frac200 + -$max_int320.${max_frac320}1 + -$max_int320.$max_frac320 +" && + seq -- -10 .001 10 && + printf "\ + $max_int320 + $max_int320.$max_frac320 + $max_int320.${max_frac320}1 + $max_int200 + $max_int200.$max_frac200 + $max_int200.${max_frac200}1 + ${max_int320}0 + ${max_int320}0.0 + ${max_int320}0.1 + ${max_int200}0 + ${max_int200}0.0 + ${max_int200}0.1 + $UINTMAX_MAX + $UINTMAX_OFLOW +" +} > exp || fail=1 + +for opts in -n -h; do + sort -R exp | LC_ALL=C sort $opts > out || fail=1 + compare out exp || fail=1 +done + +Exit $fail |