From ce5af6ac1c69602d0d7135b307dcca0c753d32f1 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Sun, 21 Apr 2019 21:41:59 -0400
Subject: itests/aux/common.sh: New file

---
(limited to 'tests')

diff --git a/tests/aux/common.sh b/tests/aux/common.sh
new file mode 100644
index 0000000..27db133
--- /dev/null
+++ b/tests/aux/common.sh
@@ -0,0 +1,71 @@
+# Common testsuite functions
+#
+# Copyright (C) 2019  Patrick McDermott
+#
+# This file is part of the ProteanOS Development Kit.
+#
+# The ProteanOS Development Kit is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# The ProteanOS Development Kit is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the ProteanOS Development Kit.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+LF='
+'
+
+# is_diff() is based on cmd_is() from opkbuild 4.0.2, with test results passed
+# by argument and context added to the diagnostic output.
+is_diff()
+{
+	local description="${1}"
+	local got="${2}"
+	local exp="${3}"
+	shift 3
+	local ok=
+	local diag=
+	local eof=
+
+	ok=true
+	diag=''
+	exec 3<<-EOF
+		${got}
+		EOF
+	exec 4<<-EOF
+		${exp}
+		EOF
+	while :; do
+		eof=0
+		read -r got 0<&3 || eof=$((${eof} + 1))
+		read -r exp 0<&4 || eof=$((${eof} + 2))
+		[ ${eof} -eq 3 ] && break
+		if [ x"${got}" = x"${exp}" ]; then
+			diag="${diag}              '${got}'${LF}"
+		else
+			ok=false
+			diag="${diag}         got: '${got}'${LF}"
+			diag="${diag}    expected: '${exp}'${LF}"
+		fi
+	done
+	exec 3<&-
+	exec 4<&-
+
+	if ${ok}; then
+		ok_ -- "${description}"
+	else
+		not_ok_ -- "${description}"
+		diag_ " Failed test '${description}'"
+		while IFS='' read -r diag; do
+			diag_ "${diag}"
+		done <<-EOF
+			${diag}
+			EOF
+	fi
+}
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