TEST_F(BTreeTest, Insert2)
{
    std::string& fn = getFn("Insert2.xibt");

    ByteComparator comparator;
    FileBaseBTree bt(2, 1, &comparator, fn);


    Byte k = 0x03;
    bt.insert(&k);

    k = 0x02;
    bt.insert(&k);

    k = 0x01;
    bt.insert(&k);

    k = 0x04;
    bt.insert(&k);

    FileBaseBTree::PageWrapper wp1(&bt);
    wp1.readPage(1);

    ASSERT_EQ(wp1.getKeysNum(), 1);
    ASSERT_EQ(*(wp1.getKey(0)),0x01);
    ASSERT_TRUE(wp1.isLeaf());

    wp1.readPage(2);

    ASSERT_EQ(wp1.getKeysNum(), 1);
    ASSERT_EQ(*(wp1.getKey(0)),0x02);

    ASSERT_EQ(wp1.getCursor(0), 1);
    ASSERT_EQ(wp1.getCursor(1), 3);
    ASSERT_TRUE(wp1.isRoot());

    wp1.readPage(3);

    ASSERT_EQ(wp1.getKeysNum(), 2);
    ASSERT_EQ(*(wp1.getKey(0)),0x03);
    ASSERT_EQ(*(wp1.getKey(1)),0x04);
    ASSERT_TRUE(wp1.isLeaf());
}