sh testsuite: create hush-redir/* and move files around

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

shell/hush_test/hush-redir/redir1.right

@@ -0,0 +1,12 @@
+Test 0:  var:ok
+File created:ok
+Test 1:  var:ok
+File created:ok
+Test 2:  var:ok
+File created:ok
+Test 3:  var:ok
+File created:ok
+Test 4:  var:ok
+File created:ok
+Test 5:  var:ok
+File created:ok

shell/hush_test/hush-redir/redir1.tests

@@ -0,0 +1,40 @@
+rm shell_test_$$ 2>/dev/null
+var=bad
+>shell_test_$$ var=ok
+echo "Test 0:  var:$var"
+test -f shell_test_$$ && echo "File created:ok"
+
+rm shell_test_$$ 2>/dev/null
+var=bad
+var=ok >shell_test_$$
+echo "Test 1:  var:$var"
+test -f shell_test_$$ && echo "File created:ok"
+
+rm shell_test_$$ 2>/dev/null
+var=ok
+true | var=bad >shell_test_$$
+echo "Test 2:  var:$var"
+test -f shell_test_$$ && echo "File created:ok"
+
+rm shell_test_$$ 2>/dev/null
+var=bad
+{ var=ok >shell_test_$$; }
+echo "Test 3:  var:$var"
+test -f shell_test_$$ && echo "File created:ok"
+
+rm shell_test_$$ 2>/dev/null
+var=ok
+{ var=bad >shell_test_$$; } &
+# cant use usleep as it isnt standard in $PATH --
+# we fail when testing busybox compiled solely as "hush"
+wait
+echo "Test 4:  var:$var"
+test -f shell_test_$$ && echo "File created:ok"
+
+rm shell_test_$$ 2>/dev/null
+var=ok
+( var=bad >shell_test_$$ )
+echo "Test 5:  var:$var"
+test -f shell_test_$$ && echo "File created:ok"
+
+rm shell_test_$$ 2>/dev/null

shell/hush_test/hush-redir/redir7.right

@@ -0,0 +1,3 @@
+Ok
+Ok
+Done

shell/hush_test/hush-redir/redir7.tests

@@ -0,0 +1,12 @@
+# Chars above 0x7f are used as special codes.
+# 0x81 is CTLESC (see ash.c).
+# The bug was that quoting and unquoting of them
+# was out of sync for redirect filenames.
+
+>unicode.sh
+printf 'echo Ok >uni\x81code\n' >>unicode.sh
+printf 'cat uni\x81code\n' >>unicode.sh
+printf 'cat uni?code\n' >>unicode.sh
+. ./unicode.sh
+rm uni*code*
+echo Done

shell/hush_test/hush-redir/redir8.right

@@ -0,0 +1,3 @@
+Ok
+Ok
+Done

shell/hush_test/hush-redir/redir8.tests

@@ -0,0 +1,15 @@
+# Chars above 0x7f are used as special codes.
+# 0x81 is CTLESC (see ash.c).
+# The bug was that quoting and unquoting of them
+# was out of sync for redirect filenames.
+
+# Subcase when redirect filename is specified in a variable.
+
+>unicode.sh
+printf 'v=uni\x81code\n' >>unicode.sh
+printf 'echo Ok >"$v"\n' >>unicode.sh
+printf 'cat uni\x81code\n' >>unicode.sh
+printf 'cat uni?code\n' >>unicode.sh
+. ./unicode.sh
+rm uni*code*
+echo Done

shell/hush_test/hush-redir/redir9.right

@@ -0,0 +1,2 @@
+Ok
+Done:0

shell/hush_test/hush-redir/redir9.tests

@@ -0,0 +1,4 @@
+echo Ok >file.tmp
+cat 0<>file.tmp
+echo Done:$?
+rm file.tmp

shell/hush_test/hush-redir/redirA.right

@@ -0,0 +1,2 @@
+tmp11
+tmp11

shell/hush_test/hush-redir/redirA.tests

@@ -0,0 +1,11 @@
+x="tmp11:tmp22"
+
+# Bug was incorrectly expanding variables in >redir
+echo "${x%:*}" >"${x%:*}"
+echo tmp1*
+rm tmp1*
+
+# Also try unquoted
+echo "${x%:*}" >${x%:*}
+echo tmp1*
+rm tmp1*

shell/hush_test/hush-redir/redir_script.right

@@ -0,0 +1 @@
+Ok: script fd is not closed

shell/hush_test/hush-redir/redir_script.tests

@@ -0,0 +1,29 @@
+# Builds a " 3>&- 4>&-" string.
+# Note: one of these fds is a directory opened to /proc/self/fd
+# for globbing. It is unwanted, but I don't know how to filter it out.
+find_fds() {
+	fds=""
+	for f in /proc/self/fd/*; do
+		test "$f" = "/proc/self/fd/0" && continue
+		test "$f" = "/proc/self/fd/1" && continue
+		test "$f" = "/proc/self/fd/2" && continue
+		fds="$fds ${f##*/}>&-"
+	done
+}
+
+find_fds
+fds1="$fds"
+
+# One of the fds is open to the script body
+# Close it while executing something.
+eval "find_fds $fds"
+
+# Shell should not lose that fd. Did it?
+find_fds
+test x"$fds1" = x"$fds" && { echo "Ok: script fd is not closed"; exit 0; }
+
+echo "Bug: script fd is closed"
+echo "fds1:$fds1"
+echo "fds2:$fds"
+exit 1
+

shell/hush_test/hush-redir/redir_space.right

@@ -0,0 +1,3 @@
+z1.tmp: 1
+z2.tmp: 1
+"z1.tmp z2.tmp": TEST 0

shell/hush_test/hush-redir/redir_space.tests

@@ -0,0 +1,6 @@
+v='z1.tmp z2.tmp'
+echo TEST >$v
+echo 'z1.tmp:' `cat 'z1.tmp' 2>/dev/null; echo $?`
+echo 'z2.tmp:' `cat 'z2.tmp' 2>/dev/null; echo $?`
+echo '"z1.tmp z2.tmp":' `cat 'z1.tmp z2.tmp' 2>/dev/null; echo $?`
+rm z*.tmp