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//
// Copyright 2011 Ettus Research LLC
//
// 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 3 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, see <http://www.gnu.org/licenses/>.
//
#include <boost/test/unit_test.hpp>
#include <uhd/property_tree.hpp>
#include <boost/bind.hpp>
#include <exception>
#include <iostream>
struct coercer_type{
int doit(int x){
return x & ~0x3;
}
};
struct setter_type{
void doit(int x){
_x = x;
}
int _x;
};
struct getter_type{
int doit(void){
return _x;
}
int _x;
};
BOOST_AUTO_TEST_CASE(test_prop_simple){
uhd::property_tree::sptr tree = uhd::property_tree::make();
uhd::property<int> &prop = tree->create<int>("/");
prop.set(42);
BOOST_CHECK_EQUAL(prop.get(), 42);
prop.set(34);
BOOST_CHECK_EQUAL(prop.get(), 34);
}
BOOST_AUTO_TEST_CASE(test_prop_with_subscriber){
uhd::property_tree::sptr tree = uhd::property_tree::make();
uhd::property<int> &prop = tree->create<int>("/");
setter_type setter;
prop.subscribe(boost::bind(&setter_type::doit, &setter, _1));
prop.set(42);
BOOST_CHECK_EQUAL(prop.get(), 42);
BOOST_CHECK_EQUAL(setter._x, 42);
prop.set(34);
BOOST_CHECK_EQUAL(prop.get(), 34);
BOOST_CHECK_EQUAL(setter._x, 34);
}
BOOST_AUTO_TEST_CASE(test_prop_with_publisher){
uhd::property_tree::sptr tree = uhd::property_tree::make();
uhd::property<int> &prop = tree->create<int>("/");
getter_type getter;
prop.publish(boost::bind(&getter_type::doit, &getter));
getter._x = 42;
prop.set(0); //should not change
BOOST_CHECK_EQUAL(prop.get(), 42);
getter._x = 34;
prop.set(0); //should not change
BOOST_CHECK_EQUAL(prop.get(), 34);
}
BOOST_AUTO_TEST_CASE(test_prop_with_publisher_and_subscriber){
uhd::property_tree::sptr tree = uhd::property_tree::make();
uhd::property<int> &prop = tree->create<int>("/");
getter_type getter;
prop.publish(boost::bind(&getter_type::doit, &getter));
setter_type setter;
prop.subscribe(boost::bind(&setter_type::doit, &setter, _1));
getter._x = 42;
prop.set(0);
BOOST_CHECK_EQUAL(prop.get(), 42);
BOOST_CHECK_EQUAL(setter._x, 0);
getter._x = 34;
prop.set(1);
BOOST_CHECK_EQUAL(prop.get(), 34);
BOOST_CHECK_EQUAL(setter._x, 1);
}
BOOST_AUTO_TEST_CASE(test_prop_with_coercion){
uhd::property_tree::sptr tree = uhd::property_tree::make();
uhd::property<int> &prop = tree->create<int>("/");
setter_type setter;
prop.subscribe(boost::bind(&setter_type::doit, &setter, _1));
coercer_type coercer;
prop.coerce(boost::bind(&coercer_type::doit, &coercer, _1));
prop.set(42);
BOOST_CHECK_EQUAL(prop.get(), 40);
BOOST_CHECK_EQUAL(setter._x, 40);
prop.set(34);
BOOST_CHECK_EQUAL(prop.get(), 32);
BOOST_CHECK_EQUAL(setter._x, 32);
}
BOOST_AUTO_TEST_CASE(test_prop_tree){
uhd::property_tree::sptr tree = uhd::property_tree::make();
tree->create<int>("/test/prop0");
tree->create<int>("/test/prop1");
BOOST_CHECK(tree->exists("/test"));
BOOST_CHECK_THROW(tree->access<int>("/test"), std::exception);
BOOST_CHECK(tree->exists("/test/prop0"));
BOOST_CHECK(tree->exists("/test/prop1"));
tree->access<int>("/test/prop0").set(42);
tree->access<int>("/test/prop1").set(34);
BOOST_CHECK_EQUAL(tree->access<int>("/test/prop0").get(), 42);
BOOST_CHECK_EQUAL(tree->access<int>("/test/prop1").get(), 34);
tree->remove("/test/prop0");
BOOST_CHECK(not tree->exists("/test/prop0"));
BOOST_CHECK(tree->exists("/test/prop1"));
tree->remove("/test");
BOOST_CHECK(not tree->exists("/test/prop0"));
BOOST_CHECK(not tree->exists("/test/prop1"));
}
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