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#include <tango/tango.h>
#include <memory>
#include "utils/utils.h"
static constexpr double ATTR_TEST_VALUE = 42.0;
// Test device class
template <class Base>
class AutoAttrDev : public Base
{
public:
using Base::Base;
~AutoAttrDev() override { }
void init_device() override
{
value = 0;
}
void read_value(Tango::Attribute &att)
{
att.set_value_date_quality(&value, std::chrono::system_clock::now(), Tango::ATTR_VALID);
}
void write_value(Tango::WAttribute &att)
{
att.get_write_value(value);
}
static void attribute_factory(std::vector<Tango::Attr *> &attrs)
{
attrs.push_back(
new TangoTest::AutoAttr<&AutoAttrDev::read_value, &AutoAttrDev::write_value>("value", Tango::DEV_DOUBLE));
}
private:
Tango::DevDouble value;
};
TANGO_TEST_AUTO_DEV_TMPL_INSTANTIATE(AutoAttrDev, 3)
SCENARIO("AutoAttr can be read and written")
{
int idlver = GENERATE(TangoTest::idlversion(3));
GIVEN("a device proxy to a simple IDLv" << idlver << " device")
{
TangoTest::Context ctx{"auto_attr", "AutoAttrDev", idlver};
auto device = ctx.get_proxy();
REQUIRE(idlver == device->get_idl_version());
AND_GIVEN("an attribute name")
{
std::string att{"value"};
WHEN("we write the attribute")
{
Tango::DeviceAttribute in;
in.set_name(att);
in << ATTR_TEST_VALUE;
REQUIRE_NOTHROW(device->write_attribute(in));
THEN("we read back matching value")
{
Tango::DeviceAttribute out;
REQUIRE_NOTHROW(out = device->read_attribute(att));
double value;
out >> value;
REQUIRE(value == ATTR_TEST_VALUE);
}
}
}
}
}
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