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89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
// Copyright 2015-2016 Hans Dembinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#define BOOST_TEST_MODULE dynamic_storage_test
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#include <boost/test/unit_test.hpp>
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#include <boost/test/test_tools.hpp>
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#include <boost/histogram/dynamic_storage.hpp>
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#include <sstream>
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#include <string>
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#include <limits>
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using namespace boost::histogram;
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BOOST_AUTO_TEST_CASE(wtype_streamer)
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{
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std::ostringstream os;
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detail::wtype w;
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w.w = 1.2;
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w.w2 = 2.3;
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os << w;
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BOOST_CHECK_EQUAL(os.str(), std::string("(1.2,2.3)"));
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}
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BOOST_AUTO_TEST_CASE(dynamic_storage_grow_1)
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{
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double x = 1.0;
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dynamic_storage n(1);
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n.increase(0);
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for (unsigned i = 0; i < 64; ++i) {
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n += n;
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x += x;
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n.increase(0);
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++x;
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BOOST_CHECK_EQUAL(n.value(0), x);
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BOOST_CHECK_EQUAL(n.variance(0), x);
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}
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}
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BOOST_AUTO_TEST_CASE(dynamic_storage_grow_2)
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{
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dynamic_storage n(1);
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n.increase(0);
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for (unsigned i = 0; i < 64; ++i) {
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n += n;
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dynamic_storage a(1);
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a.increase(0, 0.0); // converts to wtype
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a = n;
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BOOST_CHECK_EQUAL(a.value(0), n.value(0));
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BOOST_CHECK_EQUAL(a.variance(0), n.variance(0));
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}
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}
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BOOST_AUTO_TEST_CASE(dynamic_storage_grow_3)
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{
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dynamic_storage n(1);
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n.increase(0);
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for (unsigned i = 0; i < 64; ++i) {
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n += n;
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dynamic_storage a(1);
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a += n;
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a.increase(0, 0.0); // converts to wtype
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BOOST_CHECK_EQUAL(a.value(0), n.value(0));
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BOOST_CHECK_EQUAL(a.variance(0), n.variance(0));
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}
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}
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BOOST_AUTO_TEST_CASE(dynamic_storage_add_with_growth)
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{
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dynamic_storage a(1), b(1);
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a.increase(0);
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for (unsigned i = 0; i < 64; ++i)
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a += a;
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b.increase(0);
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b += a;
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BOOST_CHECK_EQUAL(b.value(0), a.value(0) + 1.0);
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}
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BOOST_AUTO_TEST_CASE(dynamic_storage_equality)
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{
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dynamic_storage a(1), b(1), c(1);
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BOOST_CHECK(a == b);
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a.increase(0);
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BOOST_CHECK(!(a == b));
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c.increase(0, 1.0);
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BOOST_CHECK(a == c);
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}
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