hush: add "heredoc.tests" from ash, tweak ash "is a function" message

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

2 files changed, 117 insertions, 0 deletions

diff --git a/shell/hush_test/hush-heredoc/heredoc.right b/shell/hush_test/hush-heredoc/heredoc.right
new file mode 100644
index 000000000..9b9e2aae9
--- /dev/null
+++ b/shell/hush_test/hush-heredoc/heredoc.right
@@ -0,0 +1,20 @@
+there
+one - alpha
+two - beta
+three - gamma
+hi\
+there$a
+stuff
+hi\
+there
+EO\
+F
+hi
+hi
+tab 1
+tab 2
+tab 3
+abc
+def ghi
+jkl mno
+fff is a function
diff --git a/shell/hush_test/hush-heredoc/heredoc.tests b/shell/hush_test/hush-heredoc/heredoc.tests
new file mode 100755
index 000000000..39345c51b
--- /dev/null
+++ b/shell/hush_test/hush-heredoc/heredoc.tests
@@ -0,0 +1,97 @@
+# check order and content of multiple here docs
+
+cat << EOF1 << EOF2
+hi
+EOF1
+there
+EOF2
+
+while read line1; do
+	read line2 <&3
+	echo $line1 - $line2
+done <<EOF1 3<<EOF2
+one
+two
+three
+EOF1
+alpha
+beta
+gamma
+EOF2
+
+
+# check quoted here-doc is protected
+
+a=foo
+cat << 'EOF'
+hi\
+there$a
+stuff
+EOF
+
+# check that quoted here-documents don't have \newline processing done
+
+cat << 'EOF'
+hi\
+there
+EO\
+F
+EOF
+true
+
+# check that \newline is removed at start of here-doc
+cat << EO\
+F
+hi
+EOF
+
+# check that \newline removal works for here-doc delimiter
+cat << EOF
+hi
+EO\
+F
+
+# check operation of tab removal in here documents
+cat <<- EOF
+	tab 1
+	tab 2
+	tab 3
+	EOF
+
+# check appending of text to file from here document
+rm -f /tmp/bash-zzz
+cat > /tmp/bash-zzz << EOF
+abc
+EOF
+cat >> /tmp/bash-zzz << EOF
+def ghi
+jkl mno
+EOF
+cat /tmp/bash-zzz
+rm -f /tmp/bash-zzz
+
+# make sure command printing puts the here-document as the last redirection
+# on the line, and the function export code preserves syntactic correctness
+fff()
+{
+  ed /tmp/foo <<ENDOFINPUT >/dev/null
+/^name/d
+w
+q
+ENDOFINPUT
+aa=1
+}
+
+type fff
+#ash# export -f fff
+#ash# ${THIS_SH} -c 'type fff'
+
+#hush# bash warns: "here-document at line N delimited by end-of-file",
+#hush# ash allows it,
+#hush# hush errors out for now:
+#hush# # check that end of file delimits a here-document
+#hush# # THIS MUST BE LAST!
+#hush#
+#hush# cat << EOF
+#hush# hi
+#hush# there