From: Peter Avalos <pavalos@dragonflybsd.org>
Date: Sun, 25 Dec 2011 18:02:37 +0000 (-0800)
Subject: sh: Add tests for lines that look like heredoc delimiters but are not.
X-Git-Tag: v3.0.0~278
X-Git-Url: https://gitweb.dragonflybsd.org/~nant/dragonfly.git/commitdiff_plain/2687e410aa76e380912c06270ee7ec72ede59c4f

sh: Add tests for lines that look like heredoc delimiters but are not.

Obtained-from:  FreeBSD 221887
---

diff --git a/tools/regression/bin/sh/parser/heredoc10.0 b/tools/regression/bin/sh/parser/heredoc10.0
new file mode 100644
index 0000000000..592e654795
--- /dev/null
+++ b/tools/regression/bin/sh/parser/heredoc10.0
@@ -0,0 +1,49 @@
+# $FreeBSD: src/tools/regression/bin/sh/parser/heredoc10.0,v 1.1 2011/05/14 14:19:30 jilles Exp $
+
+# It may be argued that
+#   x=$(cat <<EOF
+#   foo
+#   EOF)
+# is a valid complete command that sets x to foo, because
+#   cat <<EOF
+#   foo
+#   EOF
+# is a valid script even without the final newline.
+# However, if the here-document is not within a new-style command substitution
+# or there are other constructs nested inside the command substitution that
+# need terminators, the delimiter at the start of a line followed by a close
+# parenthesis is clearly a literal part of the here-document.
+
+# This file contains tests that may not work with simplistic $(...) parsers.
+# The open parentheses in comments help mksh, but not zsh.
+
+failures=0
+
+check() {
+	if ! eval "[ $* ]"; then
+		echo "Failed: $*"
+		: $((failures += 1))
+	fi
+}
+
+check '"$(cat <<EOF # (
+EOF )
+EOF
+)" = "EOF )"'
+
+check '"$({ cat <<EOF # (
+EOF)
+EOF
+})" = "EOF)"'
+
+check '"$(if :; then cat <<EOF # (
+EOF)
+EOF
+fi)" = "EOF)"'
+
+check '"$( (cat <<EOF # (
+EOF)
+EOF
+))" = "EOF)"'
+
+exit $((failures != 0))
diff --git a/tools/regression/bin/sh/parser/heredoc9.0 b/tools/regression/bin/sh/parser/heredoc9.0
new file mode 100644
index 0000000000..0e66e29559
--- /dev/null
+++ b/tools/regression/bin/sh/parser/heredoc9.0
@@ -0,0 +1,58 @@
+# $FreeBSD: src/tools/regression/bin/sh/parser/heredoc9.0,v 1.1 2011/05/14 14:19:30 jilles Exp $
+
+# It may be argued that
+#   x=$(cat <<EOF
+#   foo
+#   EOF)
+# is a valid complete command that sets x to foo, because
+#   cat <<EOF
+#   foo
+#   EOF
+# is a valid script even without the final newline.
+# However, if the here-document is not within a new-style command substitution
+# or there are other constructs nested inside the command substitution that
+# need terminators, the delimiter at the start of a line followed by a close
+# parenthesis is clearly a literal part of the here-document.
+
+# This file contains tests that also work with simplistic $(...) parsers.
+
+failures=0
+
+check() {
+	if ! eval "[ $* ]"; then
+		echo "Failed: $*"
+		: $((failures += 1))
+	fi
+}
+
+check '`${SH} -c "cat <<EOF
+EOF)
+EOF
+"` = "EOF)"'
+
+check '`${SH} -c "(cat <<EOF
+EOF)
+EOF
+)"` = "EOF)"'
+
+check '"`cat <<EOF
+EOF x
+EOF
+`" = "EOF x"'
+
+check '"`cat <<EOF
+EOF )
+EOF
+`" = "EOF )"'
+
+check '"`cat <<EOF
+EOF)
+EOF
+`" = "EOF)"'
+
+check '"$(cat <<EOF
+EOF x
+EOF
+)" = "EOF x"'
+
+exit $((failures != 0))