Major restructuring to switch build system from old scripts to GNU Automake.

tests/Integrity_-_Basic.test

@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# Check that data can be just passed straight through.
+
+# Dummy assignment for "shellcheck".
+testSubject="${testSubject:-false}"
+
+inputString="TESTING"
+outputString=$(printf "%s" "${inputString}" | "${testSubject}" 2>/dev/null) || { echo "unexpected failure code"; exit 1; }
+
+if ! test "${inputString}" = "${outputString}"; then
+	echo "output did not match input"
+	exit 1
+fi
+
+# Test again with --force.
+inputString="TESTINGAGAIN"
+outputString=$(printf "%s" "${inputString}" | "${testSubject}" -f 2>/dev/null) || { echo "unexpected failure code"; exit 1; }
+
+if ! test "${inputString}" = "${outputString}"; then
+	echo "output did not match input when using --force"
+	exit 1
+fi
+
+exit 0
+
+# EOF