1 files changed, 55 insertions, 0 deletions
diff --git a/test/functests/test_walkone.sh b/test/functests/test_walkone.sh
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--- /dev/null
+++ b/test/functests/test_walkone.sh
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+# walking-1 test.
+# sourced in from testframe.sh.
+#
+# this script defines a suite of functional tests
+# that verifies the correct operation of libfaketime
+# with the date command.
+
+run()
+{
+	init
+
+	for i in $(range 0 30); do
+		run_testcase test_with_i $i
+	done
+}
+
+# ----- support routines
+init()
+{
+	typeset testsuite="$1"
+	PLATFORM=$(platform)
+	if [ -z "$PLATFORM" ]; then
+		echo "$testsuite: unknown platform! quitting"
+		return 1
+	fi
+	echo "# PLATFORM=$PLATFORM"
+	return 0
+}
+
+
+# run date cmd under faketime, print time in secs
+fakedate()
+{
+	#
+	# let the time format be raw seconds since Epoch
+	# for both input to libfaketime, and output of the date cmd.
+	#
+	typeset fmt='%s'
+	export FAKETIME_FMT=$fmt
+	fakecmd "$1" date +$fmt
+}
+
+pow()
+{
+	dc -e "$1 $2 ^ p"
+}
+
+# run a fakedate test with a given time t
+test_with_i()
+{
+	typeset i="$1"
+	typeset t=$(pow 2 $i)
+
+	asserteq $(fakedate $t) $t "(secs since Epoch)"
+}