--- /dev/null
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2015 Jens Steinhauser <jens.steinhauser@gmail.com>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <boost/test/unit_test.hpp>
+
+#include "pv/util.hpp"
+
+using namespace pv::util;
+using ts = pv::util::Timestamp;
+
+namespace {
+ QChar mu = QChar(0x03BC);
+}
+
+std::ostream& operator<<(std::ostream& stream, const QString& str)
+{
+ return stream << str.toUtf8().data();
+}
+
+BOOST_AUTO_TEST_SUITE(UtilTest)
+
+BOOST_AUTO_TEST_CASE(format_si_value_test)
+{
+ // check prefix calculation
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("0"), "V"), "0 V");
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-24"), "V"), "+1 yV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-23"), "V"), "+10 yV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-22"), "V"), "+100 yV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-21"), "V"), "+1 zV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-20"), "V"), "+10 zV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-19"), "V"), "+100 zV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-18"), "V"), "+1 aV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-17"), "V"), "+10 aV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-16"), "V"), "+100 aV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-15"), "V"), "+1 fV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-14"), "V"), "+10 fV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-13"), "V"), "+100 fV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-12"), "V"), "+1 pV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-11"), "V"), "+10 pV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-10"), "V"), "+100 pV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-9"), "V"), "+1 nV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-8"), "V"), "+10 nV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-7"), "V"), "+100 nV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-6"), "V"), QString("+1 ") + mu + "V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-5"), "V"), QString("+10 ") + mu + "V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-4"), "V"), QString("+100 ") + mu + "V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-3"), "V"), "+1 mV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-2"), "V"), "+10 mV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-1"), "V"), "+100 mV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e0"), "V"), "+1 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e1"), "V"), "+10 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e2"), "V"), "+100 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e3"), "V"), "+1 kV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e4"), "V"), "+10 kV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e5"), "V"), "+100 kV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e6"), "V"), "+1 MV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e7"), "V"), "+10 MV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e8"), "V"), "+100 MV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e9"), "V"), "+1 GV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e10"), "V"), "+10 GV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e11"), "V"), "+100 GV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e12"), "V"), "+1 TV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e13"), "V"), "+10 TV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e14"), "V"), "+100 TV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e15"), "V"), "+1 PV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e16"), "V"), "+10 PV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e17"), "V"), "+100 PV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e18"), "V"), "+1 EV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e19"), "V"), "+10 EV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e20"), "V"), "+100 EV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e21"), "V"), "+1 ZV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e22"), "V"), "+10 ZV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e23"), "V"), "+100 ZV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e24"), "V"), "+1 YV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e25"), "V"), "+10 YV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e26"), "V"), "+100 YV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e27"), "V"), "+1000 YV");
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("1234"), "V"), "+1 kV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1234"), "V", 9, 3), "+1.234 kV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1234.5678"), "V"), "+1 kV");
+
+ // check if a given prefix is honored
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-24"), "V", 0), "+1 yV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-21"), "V", 0), "+1000 yV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("0"), "V", 0), "0 yV");
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-4"), "V", 7), "+0 mV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-4"), "V", 7, 1), "+0.1 mV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1000"), "V", 7), "+1000000 mV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("0"), "V", 7), "0 mV");
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-1"), "V", 8), "+0 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-1"), "V", 8, 1), "+0.1 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e-1"), "V", 8, 2), "+0.10 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1"), "V", 8), "+1 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e1"), "V", 8), "+10 V");
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e23"), "V", 16), "+0 YV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e23"), "V", 16, 1), "+0.1 YV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1e27"), "V", 16), "+1000 YV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("0"), "V", 16), "0 YV");
+
+ // check precision
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.2345678"), "V"), "+1 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.4"), "V"), "+1 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.5"), "V"), "+2 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.9"), "V"), "+2 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.2345678"), "V", -1, 2), "+1.23 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.2345678"), "V", -1, 3), "+1.235 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.2345678"), "V", 7, 3), "+1234.568 mV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.2345678"), "V", 7, 0), "+1235 mV");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1.2"), "V", -1, 3), "+1.200 V");
+
+ // check sign
+
+ BOOST_CHECK_EQUAL(format_si_value(ts("-1"), "V", 8, 0, true), "-1 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("-1"), "V", 8, 0, false), "-1 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1"), "V", 8, 0, true), "+1 V");
+ BOOST_CHECK_EQUAL(format_si_value(ts("1"), "V", 8, 0, false), "1 V");
+}
+
+BOOST_AUTO_TEST_SUITE_END()
projects / pulseview.git / blobdiff