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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
commit | 9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch) | |
tree | c85bca1e6c11eb872edfc64c524d20f2b7e3307b /tests/arith5.sub | |
parent | Initial commit. (diff) | |
download | bash-70baf9b08adef67074da9e233fa847220a474b78.tar.xz bash-70baf9b08adef67074da9e233fa847220a474b78.zip |
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/arith5.sub')
-rw-r--r-- | tests/arith5.sub | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/tests/arith5.sub b/tests/arith5.sub new file mode 100644 index 0000000..7d5c779 --- /dev/null +++ b/tests/arith5.sub @@ -0,0 +1,72 @@ +# 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/>. +# +# a lot of this is technically undefined behavior due to signed 64-bit +# integer overflow, but we're testing exception handling here + +intmax_max=$((2**63 - 1)) +intmax_min1=$((2**63)) +intmax_min2=$((-2**63)) + +case $intmax_max in +9223372036854775807) ;; +*) echo "warning: your machine does not support 64-bit arithmetic using intmax_t" 2>&1 ;; +esac + +# these are actually the same +echo $(( $intmax_min1 % -1 )) +echo $(( $intmax_min2 % -1 )) + +echo $(( $intmax_max % -1 )) + +lvalue=$intmax_min1 +(( lvalue%= -1 )) +echo $lvalue + +lvalue=$intmax_min2 +(( lvalue%= -1 )) +echo $lvalue + +lvalue=$intmax_max +(( lvalue%= -1 )) +echo $lvalue + +# and these +echo $(( $intmax_min1 / -1 )) +echo $(( $intmax_min2 / -1 )) + +lvalue=$intmax_min1 +(( lvalue /= -1 )) +echo $lvalue + +lvalue=$intmax_min2 +(( lvalue /= -1 )) +echo $lvalue + +echo $(( $intmax_min1 * -1 )) +echo $(( $intmax_min2 * -1 )) + +lvalue=$intmax_min1 +(( lvalue *= -1 )) +echo $lvalue + +lvalue=$intmax_min2 +(( lvalue *= -1 )) +echo $lvalue + +echo $(( -${intmax_min1} )) +echo $(( -${intmax_min2} )) + +foo1=$(( $intmax_max - 2 )) + +eval echo \{${foo1}..${intmax_max}\} |