void test_save_open_node() { BTreeFS fs("test_btree_fs.dat", 4); BTreeNode node = fs.allocNode(true); node.setSentinel(rand()); node.setKeysNum(4); node.addChild(23, rand()); node.addChild(48, rand()); node.addChild(236, rand()); node.addChild(326, rand()); fs.saveNode(node); BTreeNode saved_node = fs.openNode(node.ref()); assert(node == saved_node); }