init

CMakeLists.txt

@@ -518,6 +518,11 @@ if(LEVELDB_INSTALL)
   )
 endif(LEVELDB_INSTALL)
 
+add_executable(db_test1
+        "${PROJECT_SOURCE_DIR}/test/db_test1.cc"
+)
+target_link_libraries(db_test1 leveldb)
+
 
 add_executable(db_test2
         "${PROJECT_SOURCE_DIR}/test/db_test2.cc"

test/db_test1.cc

@@ -0,0 +1,26 @@
+#include "leveldb/db.h"
+#include <iostream>
+
+using namespace std;
+using namespace leveldb;
+
+int main() {
+    DB* db = nullptr;
+    Options op;
+    op.create_if_missing = true;
+    Status status = DB::Open(op, "testdb", &db);
+    assert(status.ok());
+    db->Put(WriteOptions(), "001", "leveldb");
+    string s;
+    db->Get(ReadOptions(), "001", &s);
+    cout<<s<<endl;
+
+    db->Put(WriteOptions(), "002", "world");
+    string s1;
+    db->Delete(WriteOptions(), "002");
+    db->Get(ReadOptions(), "002", &s1);
+    cout<<s1<<endl;
+
+    delete db;
+    return 0;
+}