spec: Test for internal fds to be properly shifted away when requested

Signed-off-by: Andrii Sultanov <[email protected]>

Author: last-genius

spec/builtin-eval-source.test.sh

@@ -348,6 +348,19 @@ echo status=$?
 ## stdout: status=1
 ## OK dash/zsh/mksh stdout: status=0
 
+#### source'd fd should be shifted when requested by the script
+cd $TMP
+cat >out.osh <<EOF
+exec 10>out
+echo hello>&10
+cat out
+EOF
+. ./out.osh
+## stdout: hello
+## N-I dash/zsh status: 127
+## N-I dash/zsh STDOUT:
+## END
+
 #### sourcing along PATH should ignore directories
 
 mkdir -p _tmp/shell

spec/interactive.test.sh

@@ -323,6 +323,17 @@ $SH --rcfile myrc -i -c 'show-shell-state main'
 # comparisons.
 # The --details flag is useful
 
+#### rc file's fd is moved out of the way when requested by the user
+cat >$TMP/oshrc <<EOF
+exec 10>out
+echo hello>&10
+cat out
+EOF
+$SH --rcfile $TMP/oshrc -i -c 'echo hello'
+## STDOUT:
+hello
+hello
+## END
 
 #### HISTFILE is written in interactive shell
 

spec/sh-usage.test.sh

@@ -168,6 +168,20 @@ status=0
 ## N-I bash/dash/mksh/zsh STDOUT:
 ## END
 
+#### eval'd fd is moved out of the way when requested by the script
+case $SH in bash|dash|mksh|zsh) exit ;; esac
+cat > $TMP/out.osh <<EOF
+exec 10>out
+echo hello>&10
+cat out
+EOF
+$SH --eval $TMP/out.osh
+## STDOUT:
+hello
+## END
+## N-I bash/dash/mksh/zsh STDOUT:
+## END
+
 #### Set LC_ALL LC_CTYPE LC_COLLATE LANG - affects glob ?
 
 # note: test/spec-common.sh sets LC_ALL