test_make_rc.cpp

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#include "test_common.hpp"
 
#include <openvpn/common/make_rc.hpp>
 
using namespace openvpn;
 
// Tests the RcEnable and make_rc functionality.
 
struct test1
{
    int i = 0;
};
 
using rc_test1 = RcEnable<test1>;
 
// The `f_ptr` function checks that the reference-counted object has the expected value.
void f_ptr(rc_test1::Ptr rct1, int i)
{
    EXPECT_EQ(rct1->i, i);
}
 
// Ref to base
void f_ref(test1 &t1, int i)
{
    EXPECT_EQ(t1.i, i);
}
 
// Sliced value
void f_val(test1 t1, int i)
{
    EXPECT_EQ(t1.i, i);
}
 
// The `direct_enable` test verifies that an RcEnable object can be created directly.
TEST(make_rc, direct_enable)
{
    auto rct1 = RcEnable<test1>::Create();
    EXPECT_EQ(rct1->i, 0);
}
 
// The `simple` test verifies that a reference-counted object can be created using `make_rc`.
TEST(make_rc, simple)
{
    auto rct1 = make_rc<test1>();
    EXPECT_EQ(rct1->i, 0);
}
 
// The `move_init` test verifies that a reference-counted object can be created by moving an existing object.
TEST(make_rc, move_init)
{
    auto t = test1();
    EXPECT_EQ(t.i, 0);
    t.i = 42;
    auto rct1 = make_rc<test1>(std::move(t));
    EXPECT_EQ(rct1->i, 42);
}
 
// The `move_init_call` test verifies that a reference-counted object can be created by moving an existing object
// and passed to a function.
TEST(make_rc, move_init_call)
{
    auto t = test1();
    EXPECT_EQ(t.i, 0);
    t.i = 42;
    f_ptr(make_rc<test1>(std::move(t)), 42);
}
 
// Calls using ref
TEST(make_rc, call_value)
{
    auto rct1 = RcEnable<test1>::Create();
    f_ref(*rct1, 0);
}
 
// Calls using sliced value
TEST(make_rc, call_slice)
{
    auto rct1 = RcEnable<test1>::Create();
    f_val(*rct1, 0);
}
 
// make_rc TS
TEST(make_rc, simple_ts)
{
    auto rct1 = make_rc<test1, RC<thread_safe_refcount>>();
    EXPECT_EQ(rct1->i, 0);
}