make check target

- first test is for the sleep functionality

Makefile.am

@@ -40,4 +40,5 @@ include Make.rules
 
 include $(top_srcdir)/src/Makefile.subdir
 include $(top_srcdir)/examples/Makefile.subdir
+include $(top_srcdir)/tests/Makefile.subdir
 

tests/Makefile.subdir

+check_PROGRAMS += \
+ examples/sleep
+
+TESTS += \
+ tests/sleep.sh
+
+EXTRA_DIST += \
+ tests/sleep.sh

tests/sleep.sh

+#!/bin/bash
+
+set -x
+
+out1=/tmp/sleep-standard-$$.out
+out2=/tmp/sleep-abt-$$.out
+
+bash -c "time -p examples/sleep 1" >& $out1
+if [ $? -ne 0 ]; then
+    exit 1
+fi
+standardrealtime=`grep real $out1 | cut -d ' ' -f 2 |cut -d '.' -f 1`
+
+bash -c "time -p examples/sleep 1 ABT" >& $out2
+if [ $? -ne 0 ]; then
+    exit 1
+fi
+abtrealtime=`grep real $out2 | cut -d ' ' -f 2 |cut -d '.' -f 1`
+
+echo standard:
+cat $out1
+
+echo abt:
+cat $out2
+
+# standard one should take at least 4 seconds to complete; there are 4
+# serialized sleeps of 1 second each
+if [ "$standardrealtime" -lt 4 ]; then
+    exit 1
+fi
+
+# abt one should take at least one second, but no more than 2 (there are 4
+# sleeps running concurrently)
+if [ "$abtrealtime" -lt 1 ]; then
+    exit 1
+fi
+if [ "$abtrealtime" -gt 2 ]; then
+    exit 1
+fi
+
+rm $out1
+rm $out2
+
+exit 0