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-rw-r--r--tests/rhs-exp1.sub116
1 files changed, 116 insertions, 0 deletions
diff --git a/tests/rhs-exp1.sub b/tests/rhs-exp1.sub
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+++ b/tests/rhs-exp1.sub
@@ -0,0 +1,116 @@
+# 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/>.
+#
+# fixes for bugs in bash-4.2 regarding empty strings in expand_string_for_rhs
+
+f=abc
+recho ${f##""a}
+recho ${f##"$v"a}
+
+recho ${f%%""c}
+recho ${f%%"$v"c}
+
+recho ${f//""a}
+recho ${f//"$v"a}
+
+recho ${f/""a""b/}
+recho ${f/""c/}
+recho ${f/"$v"c/}
+
+unset foo empty
+foo=aabbcc
+
+recho ${foo/bb/}
+recho ${foo/bb/$empty}
+
+recho ${foo/}
+recho ${empty/}
+
+recho ${foo/ }
+recho ${empty/ }
+unset foo empty
+
+S2=oenophile
+
+recho ${S2^"$v"[aeiou]}
+recho ${S2^^"$v"[aeiou]}
+
+recho ${foo:-""}
+recho ${foo:-""abc}
+
+recho "${foo:-''}"
+recho "${foo:-}"
+
+if [[ $var == "" ]]; then
+ echo good 1
+fi
+
+if [[ "$var"X == ""X ]]; then
+ echo good 2
+fi
+
+if [ "$var"X == ""X"" ]; then
+ echo good 3
+fi
+
+if [ X"" == X ]; then
+ echo good 4
+fi
+
+if [[ X"" == X ]]; then
+ echo good 5
+fi
+
+case x"" in
+ x) echo 'ok 1'
+ ;;
+ x??) echo 'this would be really odd'
+ ;;
+ x?) echo 'does this prove anything?'
+ echo x""x
+ ;;
+ *) echo 'no match'
+ ;;
+esac
+
+if [[ x"" == x ]]; then
+ echo ok 2
+fi
+
+if [[ x"" == x"" ]]; then
+ echo ok 3
+else
+ echo bad 3
+fi
+
+case x"" in
+x"") echo ok 4 ;;
+*) echo bad 4;;
+esac
+
+if [[ x"" == x"" ]]; then
+ echo ok 5
+else
+ echo bad 5
+fi
+
+case x"" in
+"x") echo ok 6 ;;
+*) echo bad 6;;
+esac
+
+case x"" in
+"x") echo CTLNUL 7 ;;
+x) echo ok 7 ;;
+*) echo bad 7 ;;
+esac