13 files changed, 51 insertions, 2 deletions

diff --git a/shell/hush_test/hush-heredoc/heredoc_empty2.right b/shell/hush_test/hush-heredoc/heredoc_empty2.right
new file mode 100644
index 000000000..e32c6ea58
--- /dev/null
+++ b/shell/hush_test/hush-heredoc/heredoc_empty2.right
@@ -0,0 +1,4 @@
+OK1
+Ok:0
+OK2
+Ok:0
diff --git a/shell/hush_test/hush-heredoc/heredoc_empty2.tests b/shell/hush_test/hush-heredoc/heredoc_empty2.tests
new file mode 100755
index 000000000..20fc35fe9
--- /dev/null
+++ b/shell/hush_test/hush-heredoc/heredoc_empty2.tests
@@ -0,0 +1,14 @@
+unset a
+
+# Heredoc with empty delimiter
+cat <<- ""
+        OK1
+
+echo Ok:$?
+
+# Heredoc with empty delimiter
+cat <<- ""
+        OK2
+        
+
+echo Ok:$?
diff --git a/shell/hush_test/hush-misc/func_prio_over_builtins.right b/shell/hush_test/hush-misc/func_prio_over_builtins.right
new file mode 100644
index 000000000..54e56dff4
--- /dev/null
+++ b/shell/hush_test/hush-misc/func_prio_over_builtins.right
@@ -0,0 +1,5 @@
+YES
+YES
+YES
+YES
+Ok:YES
diff --git a/shell/hush_test/hush-misc/func_prio_over_builtins.tests b/shell/hush_test/hush-misc/func_prio_over_builtins.tests
new file mode 100755
index 000000000..4f71bfda0
--- /dev/null
+++ b/shell/hush_test/hush-misc/func_prio_over_builtins.tests
@@ -0,0 +1,5 @@
+true() { echo YES >&2; }
+true
+true | true
+(true)
+echo Ok:`true 2>&1`
diff --git a/shell/hush_test/hush-misc/func6.right b/shell/hush_test/hush-misc/func_return1.right
index 0ebd8e5a3..0ebd8e5a3 100644
--- a/shell/hush_test/hush-misc/func6.right
+++ b/shell/hush_test/hush-misc/func_return1.right
diff --git a/shell/hush_test/hush-misc/func6.tests b/shell/hush_test/hush-misc/func_return1.tests
index 029c3e85e..029c3e85e 100755
--- a/shell/hush_test/hush-misc/func6.tests
+++ b/shell/hush_test/hush-misc/func_return1.tests
diff --git a/shell/hush_test/hush-misc/func_return2.right b/shell/hush_test/hush-misc/func_return2.right
new file mode 100644
index 000000000..0ebd8e5a3
--- /dev/null
+++ b/shell/hush_test/hush-misc/func_return2.right
@@ -0,0 +1,2 @@
+Two:2
+Two:2
diff --git a/shell/hush_test/hush-misc/func_return2.tests b/shell/hush_test/hush-misc/func_return2.tests
new file mode 100755
index 000000000..a049dd180
--- /dev/null
+++ b/shell/hush_test/hush-misc/func_return2.tests
@@ -0,0 +1,6 @@
+f1() { return 2; }
+f1
+echo Two:$?
+false
+true | f1
+echo Two:$?
diff --git a/shell/hush_test/hush-redir/redir_script.tests b/shell/hush_test/hush-redir/redir_script.tests
index ccc497d7b..740daa461 100755
--- a/shell/hush_test/hush-redir/redir_script.tests
+++ b/shell/hush_test/hush-redir/redir_script.tests
@@ -20,10 +20,15 @@ eval "find_fds $fds"
 
 # Shell should not lose that fd. Did it?
 find_fds
-test x"$fds1" = x"$fds" && { echo "Ok: script fd is not closed"; exit 0; }
+test x"$fds1" = x"$fds" \
+&& { echo "Ok: script fd is not closed"; exit 0; }
+
+# One legit way to handle it is to move script fd. For example, if we see that fd 10 moved to fd 11:
+test x"$fds1" = x" 10>&- 3>&-" && \
+test x"$fds"  = x" 11>&- 3>&-" \
+&& { echo "Ok: script fd is not closed"; exit 0; }
 
 echo "Bug: script fd is closed"
 echo "fds1:$fds1"
 echo "fds2:$fds"
 exit 1
-
diff --git a/shell/hush_test/hush-redir/redir_to_bad_fd255.right b/shell/hush_test/hush-redir/redir_to_bad_fd255.right
new file mode 100644
index 000000000..936911ce5
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_to_bad_fd255.right
@@ -0,0 +1 @@
+hush: can't duplicate file descriptor: Bad file descriptor
diff --git a/shell/hush_test/hush-redir/redir_to_bad_fd255.tests b/shell/hush_test/hush-redir/redir_to_bad_fd255.tests
new file mode 100755
index 000000000..2266af6da
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_to_bad_fd255.tests
@@ -0,0 +1,3 @@
+# ash uses fd 10 (usually) for reading the script
+echo LOST >&255
+echo OK
diff --git a/shell/hush_test/hush-redir/redir_to_bad_fd3.right b/shell/hush_test/hush-redir/redir_to_bad_fd3.right
new file mode 100644
index 000000000..936911ce5
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_to_bad_fd3.right
@@ -0,0 +1 @@
+hush: can't duplicate file descriptor: Bad file descriptor
diff --git a/shell/hush_test/hush-redir/redir_to_bad_fd3.tests b/shell/hush_test/hush-redir/redir_to_bad_fd3.tests
new file mode 100755
index 000000000..98c54cfc6
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_to_bad_fd3.tests
@@ -0,0 +1,3 @@
+# ash uses fd 10 (usually) for reading the script
+echo LOST >&3
+echo OK