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

tests/test-env.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+#
+# Set up the environment variables, temporary working files, and cleanup
+# processes required to run each test.
+#
+# Tests must exit with 0 for success, 1 for failure, 77 to skip the test, or
+# 99 for a fatal error with the test framework.
+
+# Parameters.
+testSubject="./pv"
+sourcePath="${srcdir}"
+
+# Set everything to the "C" locale.
+LANG=C
+LC_ALL=C
+export LANG LC_ALL
+
+# Temporary working files, for the test scripts to use.
+workFile1=$(mktemp 2>/dev/null) || workFile1="./.tmp1"
+workFile2=$(mktemp 2>/dev/null) || workFile2="./.tmp2"
+workFile3=$(mktemp 2>/dev/null) || workFile3="./.tmp3"
+workFile4=$(mktemp 2>/dev/null) || workFile4="./.tmp4"
+
+# Clean up the temporary files on exit, in case we are interrupted.
+trap 'rm -f "${workFile1}" "${workFile2}" "${workFile3}" "${workFile4}"' EXIT
+
+# Variables used by the test scripts.
+export testSubject sourcePath workFile1 workFile2 workFile3 workFile4