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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
commit9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch)
treec85bca1e6c11eb872edfc64c524d20f2b7e3307b /tests/arith5.sub
parentInitial commit. (diff)
downloadbash-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.sub72
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}\}