Exemplos de mem_pos_seek em C++ (Cpp)

Exemplo n.º 1

TEST_F(BufferTest, pos_seek_fwd_multi_trunk) {
    struct mem_buffer_trunk * t1 = append_trunk("a");
    struct mem_buffer_trunk * t2 = append_trunk("b");
    struct mem_buffer_trunk * t3 = append_trunk("c");

    struct mem_buffer_pos p;
    mem_buffer_begin(&p, &m_buffer);
    EXPECT_TRUE(t1 == p.m_trunk);
    EXPECT_EQ((size_t)0, p.m_pos_in_trunk);
    EXPECT_EQ('a', mem_pos_data(&p));

    EXPECT_EQ(1, mem_pos_seek(&p, 1));
    EXPECT_TRUE(t2 == p.m_trunk);
    EXPECT_EQ((size_t)0, p.m_pos_in_trunk);
    EXPECT_EQ('b', mem_pos_data(&p));

    EXPECT_EQ(1, mem_pos_seek(&p, 1));
    EXPECT_TRUE(t3 == p.m_trunk);
    EXPECT_EQ((size_t)0, p.m_pos_in_trunk);
    EXPECT_EQ('c', mem_pos_data(&p));

    EXPECT_EQ(1, mem_pos_seek(&p, 1));
    EXPECT_TRUE(NULL == p.m_trunk);
    EXPECT_EQ((size_t)0, p.m_pos_in_trunk);
    EXPECT_FALSE(mem_pos_valide(&p));
}

Exemplo n.º 2

TEST_F(BufferTest, pos_seek_back_multi_trunk_with_empty_trunk_middle) {
    append_trunk("a");
    append_trunk("");
    append_trunk("c");

    struct mem_buffer_pos p;
    mem_buffer_end(&p, &m_buffer);

    EXPECT_EQ(-1, mem_pos_seek(&p, -1));
    EXPECT_EQ('c', mem_pos_data(&p));

    EXPECT_EQ(-1, mem_pos_seek(&p, -1));
    EXPECT_EQ('a', mem_pos_data(&p));
}

Exemplo n.º 3

void mem_pos_at(struct mem_buffer_pos * pos, struct mem_buffer * buffer, size_t n) {
    assert(pos);
    assert(buffer);

    mem_buffer_begin(pos, buffer);
    mem_pos_seek(pos, n);
}

Exemplo n.º 4

TEST_F(BufferTest, pos_seek_fwd_from_last) {
    append_trunk("abc");

    struct mem_buffer_pos p;
    mem_buffer_end(&p, &m_buffer);
    EXPECT_EQ(0, mem_pos_seek(&p, 2));

    EXPECT_TRUE(NULL == p.m_trunk);
    EXPECT_EQ((size_t)0, p.m_pos_in_trunk);
}

Exemplo n.º 5

TEST_F(BufferTest, pos_seek_fwd_to_last) {
    struct mem_buffer_trunk * t1 = append_trunk("abc");

    struct mem_buffer_pos p;
    mem_buffer_begin(&p, &m_buffer);
    EXPECT_EQ(2, mem_pos_seek(&p, 2));

    EXPECT_TRUE(t1 == p.m_trunk);
    EXPECT_EQ((size_t)2, p.m_pos_in_trunk);
}

Exemplo n.º 6

TEST_F(BufferTest, pos_seek_back_empty) {
    struct mem_buffer_pos p;
    mem_buffer_end(&p, &m_buffer);

    EXPECT_EQ(0, mem_pos_seek(&p, -1));

    struct mem_buffer_pos e;
    mem_buffer_end(&e, &m_buffer);
    EXPECT_TRUE(mem_pos_eq(&p, &e));
}

Exemplo n.º 7

TEST_F(BufferTest, pos_seek_back_from_head) {
    struct mem_buffer_trunk * t1 = append_trunk("abc");

    struct mem_buffer_pos p;
    mem_buffer_begin(&p, &m_buffer);
    EXPECT_EQ(0, mem_pos_seek(&p, -2));

    EXPECT_TRUE(t1 == p.m_trunk);
    EXPECT_EQ((size_t)0, p.m_pos_in_trunk);
}

Exemplo n.º 8

TEST_F(BufferTest, pos_seek_fwd_empty) {
    struct mem_buffer_pos p;
    mem_buffer_begin(&p, &m_buffer);
    EXPECT_FALSE(mem_pos_valide(&p));

    EXPECT_EQ(0, mem_pos_seek(&p, 1));
    EXPECT_TRUE(NULL == p.m_trunk);
    EXPECT_EQ((size_t)0, p.m_pos_in_trunk);
    EXPECT_FALSE(mem_pos_valide(&p));
}

Exemplo n.º 9

TEST_F(BufferTest, pos_seek_back_to_head) {
    struct mem_buffer_trunk * t1 = append_trunk("abc");

    struct mem_buffer_pos p;
    mem_buffer_end(&p, &m_buffer);
    EXPECT_EQ(-3, mem_pos_seek(&p, -3));

    EXPECT_TRUE(t1 == p.m_trunk);
    EXPECT_EQ((size_t)0, p.m_pos_in_trunk);
    EXPECT_EQ('a', mem_pos_data(&p));
}

Exemplo n.º 10

TEST_F(BufferTest, pos_seek_back_basic) {
    struct mem_buffer_trunk * t1 = append_trunk("abc");

    struct mem_buffer_pos p;
    mem_buffer_end(&p, &m_buffer);
    EXPECT_FALSE(mem_pos_valide(&p));

    EXPECT_EQ(-1, mem_pos_seek(&p, -1));
    EXPECT_EQ('c', mem_pos_data(&p));

    EXPECT_TRUE(t1 == p.m_trunk);
    EXPECT_EQ((size_t)2, p.m_pos_in_trunk);
}

Exemplo n.º 11

TEST_F(BufferTest, pos_seek_back_multi_trunk_all_empty_trunk) {
    append_trunk("");
    append_trunk("");
    append_trunk("");

    struct mem_buffer_pos p;
    mem_buffer_end(&p, &m_buffer);

    EXPECT_EQ(0, mem_pos_seek(&p, -1));

    struct mem_buffer_pos e;
    mem_buffer_end(&e, &m_buffer);
    EXPECT_TRUE(mem_pos_eq(&p, &e));
}