C++ (Cpp) CPtr::use_count Exemples

Exemple #1

Fichier : gtest_immutable.cpp Projet : nori0428/libj

TEST(GTestImmutable, TestUseCount) {
    {
        GTestImmutable::CPtr p = GTestImmutable::create();
        ASSERT_EQ(1, p.use_count());
        ASSERT_EQ(1, GTestImmutable::count);

        GTestImmutable::CPtr p2 = GTestImmutable::create();
        ASSERT_EQ(1, p2.use_count());
        ASSERT_EQ(2, GTestImmutable::count);

        p = p2;
        ASSERT_EQ(2, p.use_count());
        ASSERT_EQ(2, p2.use_count());
        ASSERT_EQ(1, GTestImmutable::count);
    }
    ASSERT_EQ(0, GTestImmutable::count);
}

Exemple #2

Fichier : gtest_immutable.cpp Projet : bygreencn/libj

TEST(GTestImmutable, TestUseCount) {
    {
        GTestImmutable::CPtr p = GTestImmutable::create();
        ASSERT_EQ(1, p.use_count());
        ASSERT_EQ(1, GTestImmutable::count);

        GTestImmutable::CPtr p2 = GTestImmutable::create();
        ASSERT_EQ(1, p2.use_count());
        ASSERT_EQ(2, GTestImmutable::count);

        p = p2;
        ASSERT_EQ(2, p.use_count());
        ASSERT_EQ(2, p2.use_count());
        ASSERT_EQ(1, GTestImmutable::count);

        GTestImmutable::CPtr p3 =
            LIBJ_STATIC_CPTR_CAST(GTestImmutable)((&(*p))->self());
        ASSERT_EQ(3, p.use_count());
        ASSERT_EQ(3, p2.use_count());
        ASSERT_EQ(3, p3.use_count());
        ASSERT_EQ(1, GTestImmutable::count);
    }
    ASSERT_EQ(0, GTestImmutable::count);
}